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Author SHA1 Message Date
Russell King 6de92920a7 Merge commit 'smp-hotplug^{/omap2}' into for-linus 2019-01-04 14:34:46 +00:00
Linus Torvalds 96d4f267e4 Remove 'type' argument from access_ok() function 
Nobody has actually used the type (VERIFY_READ vs VERIFY_WRITE) argument
of the user address range verification function since we got rid of the
old racy i386-only code to walk page tables by hand.

It existed because the original 80386 would not honor the write protect
bit when in kernel mode, so you had to do COW by hand before doing any
user access.  But we haven't supported that in a long time, and these
days the 'type' argument is a purely historical artifact.

A discussion about extending 'user_access_begin()' to do the range
checking resulted this patch, because there is no way we're going to
move the old VERIFY_xyz interface to that model.  And it's best done at
the end of the merge window when I've done most of my merges, so let's
just get this done once and for all.

This patch was mostly done with a sed-script, with manual fix-ups for
the cases that weren't of the trivial 'access_ok(VERIFY_xyz' form.

There were a couple of notable cases:

 - csky still had the old "verify_area()" name as an alias.

 - the iter_iov code had magical hardcoded knowledge of the actual
   values of VERIFY_{READ,WRITE} (not that they mattered, since nothing
   really used it)

 - microblaze used the type argument for a debug printout

but other than those oddities this should be a total no-op patch.

I tried to fix up all architectures, did fairly extensive grepping for
access_ok() uses, and the changes are trivial, but I may have missed
something.  Any missed conversion should be trivially fixable, though.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 2019-01-03 18:57:57 -08:00
Russell King 97b6f89f72 Merge branches 'misc', 'sa1100-for-next' and 'spectre' into for-linus 2019-01-02 10:37:05 +00:00
Linus Torvalds fcf010449e kgdb patches for 4.20-rc1 
Mostly clean ups although whilst Doug's was chasing down a odd
 lockdep warning he also did some work to improved debugger resilience
 when some CPUs fail to respond to the round up request.
 
 The main changes are:
 
  * Fixing a lockdep warning on architectures that cannot use an NMI for
    the round up plus related changes to make CPU round up and all CPU
    backtrace more resilient.
 
  * Constify the arch ops tables
 
  * A couple of other small clean ups
 
 Two of the three patchsets here include changes that spill over into
 arch/.  Changes in the arch space are relatively narrow in scope
 (and directly related to kgdb). Didn't get comprehensive acks but
 all impacted maintainers were Cc:ed in good time.
 
 Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux

Pull kgdb updates from Daniel Thompson:
 "Mostly clean ups although while Doug's was chasing down a odd lockdep
  warning he also did some work to improved debugger resilience when
  some CPUs fail to respond to the round up request.

  The main changes are:

   - Fixing a lockdep warning on architectures that cannot use an NMI
     for the round up plus related changes to make CPU round up and all
     CPU backtrace more resilient.

   - Constify the arch ops tables

   - A couple of other small clean ups

  Two of the three patchsets here include changes that spill over into
  arch/. Changes in the arch space are relatively narrow in scope (and
  directly related to kgdb). Didn't get comprehensive acks but all
  impacted maintainers were Cc:ed in good time"

* tag 'kgdb-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
  kgdb/treewide: constify struct kgdb_arch arch_kgdb_ops
  mips/kgdb: prepare arch_kgdb_ops for constness
  kdb: use bool for binary state indicators
  kdb: Don't back trace on a cpu that didn't round up
  kgdb: Don't round up a CPU that failed rounding up before
  kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function()
  kgdb: Remove irq flags from roundup
 2019-01-01 15:38:14 -08:00
Linus Torvalds e1ef035d27 ARM: SoC defconfig updates 
Most changes here are to enable new drivers and platforms in the various
 configs that affect them. Most of these have been covered and described
 in the other branches, we mostly keep defconfig separate to avoid
 conflicts between SoC/dt/driver updates that they otherwise would be
 grouped with.
 
 One thing worth mentioning here is that OMAP changes from using their
 own UART driver, to 8250, for the multi_v7_defconfig shared config on
 32-bit. This means that the console is now named ttyS* instead of ttyO*.
 This change was already done for omap2_defconfig a while back, so most
 users of these configs have either already updated, or can easily follow
 the same patterns as they did at that time. This makes platform support
 slightly easier for distros, since they no longer need to keep track of
 a separate console prefix for these platforms.
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Merge tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC defconfig updates from Olof Johansson:
 "Most changes here are to enable new drivers and platforms in the
  various configs that affect them. Most of these have been covered and
  described in the other branches, we mostly keep defconfig separate to
  avoid conflicts between SoC/dt/driver updates that they otherwise
  would be grouped with.

  One thing worth mentioning here is that OMAP changes from using their
  own UART driver, to 8250, for the multi_v7_defconfig shared config on
  32-bit. This means that the console is now named ttyS* instead of
  ttyO*. This change was already done for omap2_defconfig a while back,
  so most users of these configs have either already updated, or can
  easily follow the same patterns as they did at that time. This makes
  platform support slightly easier for distros, since they no longer
  need to keep track of a separate console prefix for these platforms"

* tag 'armsoc-defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (31 commits)
  Revert "arm64: defconfig: Enable FSL_MC_BUS and FSL_MC_DPIO"
  arm64: defconfig: Enable FSL_MC_BUS and FSL_MC_DPIO
  arm64: defconfig: Replace PINCTRL_MT7622 with PINCTRL_MTK_MOORE
  arm64: defconfig: Regenerate for v4.20
  ARM: multi_v7_defconfig: Add TOSHIBA TC358764 bridge driver
  ARM: multi_v7_defconfig: Add MAX8952 regulator driver
  ARM: exynos_defconfig: Add TOSHIBA TC358764 bridge driver
  ARM: exynos_defconfig: Add MAX8952 regulator driver
  ARM: exynos_defconfig: Add MAX8998 RTC and charger drivers
  ARM: imx_v6_v7_defconfig: add imx7ulp support
  ARM: imx_v6_v7_defconfig: Select TOUCHSCREEN_GOODIX
  ARM: multi_v7_defconfig: enable STM32 analog & timer drivers
  arm64: defconfig: Enable GCC and PINCTRL for MSM8998
  arm64: defconfig: Enable core Qualcomm SDM845 options
  ARM: defconfig: Enable the PL111 DRM driver on vexpress
  ARM: defconfig: Update the vexpress defconfig
  arm64: defconfig: Enable some qcom remoteproc configs
  arm64: defconfig: Enable QCS404 configs
  ARM: imx_v6_v7_defconfig: Enable USB_ANNOUNCE_NEW_DEVICES
  ARM: imx_v6_v7_defconfig: Enable BT_BNEP
  ...
 2018-12-31 17:40:14 -08:00
Linus Torvalds b7badd1d7a ARM: Device-tree updates 
As usual, this is where the bulk of our changes end up landing each
 merge window.
 
 The individual updates are too many to enumerate, many many platforms
 have seen additions of device descriptions such that they are
 functionally more complete (in fact, this is often the bulk of updates
 we see).
 
 Instead I've mostly focused on highlighting the new platforms below as
 they are introduced. Sometimes the introduction is of mostly a fragment,
 that later gets filled in on later releases, and in some cases it's
 near-complete platform support. The latter is more common for derivative
 platforms that already has similar support in-tree.
 
 Two SoCs are slight outliers from the usual range of additions. Allwinner
 support for F1C100s, a quite old SoC (ARMv5-based) shipping in the
 Lychee Pi Nano platform. At the other end is NXP Layerscape LX2160A,
 a 16-core 2.2GHz Cortex-A72 SoC with a large amount of I/O aimed at
 infrastructure/networking.
 
 TI updates stick out in the diff stats too, in particular because they
 have moved the description of their L4 on-chip interconnect to devicetree,
 which opens up for removal of even more of their platform-specific
 'hwmod' description tables over the next few releases.
 
 SoCs:
  - Qualcomm QCS404 (4x Cortex-A53)
  - Allwinner T3 (rebranded R40) and f1c100s (armv5)
  - NXP i.MX7ULP (1x Cortex-A7 + 1x Cortex-M4)
  - NXP LS1028A (2x Cortex-A72), LX2160A (16x Cortex-A72)
 
 New platforms:
  - Rockchip: Gru Scarlet (RK3188 Tablet)
  - Amlogic: Phicomm N1 (S905D), Libretech S805-AC
  - Broadcom: Linksys EA6500 v2 Wi-Fi router (BCM4708)
  - Qualcomm: QCS404 base platform and EVB
  - Qualcomm: Remove of Arrow SD600
  - PXA: First PXA3xx DT board: Raumfeld
  - Aspeed: Facebook Backpack-CMM BMC
  - Renesas iWave G20D-Q7 (RZ/G1N)
  - Allwinner t3-cqa3t-bv3 (T3/R40) and Lichee Pi Nano (F1C100s)
  - Allwinner Emlid Neutis N5, Mapleboard MP130
  - Marvell Macchiatobin Single Shot (Armada 8040, no 10GbE)
  - i.MX: mtrion emCON-MX6, imx6ul-pico-pi, imx7d-sdb-reva
  - VF610: Liebherr's BK4 device, ZII SCU4 AIB board
  - i.MX7D PICO Hobbit baseboard
  - i.MX7ULP EVK board
  - NXP LX2160AQDS and LX2160ARDB boards
 
 Other:
  - Coresight binding updates across the board
  - CPU cooling maps updates across the board
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Merge tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM Device-tree updates from Olof Johansson:
 "As usual, this is where the bulk of our changes end up landing each
  merge window.

  The individual updates are too many to enumerate, many many platforms
  have seen additions of device descriptions such that they are
  functionally more complete (in fact, this is often the bulk of updates
  we see).

  Instead I've mostly focused on highlighting the new platforms below as
  they are introduced. Sometimes the introduction is of mostly a
  fragment, that later gets filled in on later releases, and in some
  cases it's near-complete platform support. The latter is more common
  for derivative platforms that already has similar support in-tree.

  Two SoCs are slight outliers from the usual range of additions.
  Allwinner support for F1C100s, a quite old SoC (ARMv5-based) shipping
  in the Lychee Pi Nano platform. At the other end is NXP Layerscape
  LX2160A, a 16-core 2.2GHz Cortex-A72 SoC with a large amount of I/O
  aimed at infrastructure/networking.

  TI updates stick out in the diff stats too, in particular because they
  have moved the description of their L4 on-chip interconnect to
  devicetree, which opens up for removal of even more of their
  platform-specific 'hwmod' description tables over the next few
  releases.

  SoCs:
   - Qualcomm QCS404 (4x Cortex-A53)
   - Allwinner T3 (rebranded R40) and f1c100s (armv5)
   - NXP i.MX7ULP (1x Cortex-A7 + 1x Cortex-M4)
   - NXP LS1028A (2x Cortex-A72), LX2160A (16x Cortex-A72)

  New platforms:
   - Rockchip: Gru Scarlet (RK3188 Tablet)
   - Amlogic: Phicomm N1 (S905D), Libretech S805-AC
   - Broadcom: Linksys EA6500 v2 Wi-Fi router (BCM4708)
   - Qualcomm: QCS404 base platform and EVB
   - Qualcomm: Remove of Arrow SD600
   - PXA: First PXA3xx DT board: Raumfeld
   - Aspeed: Facebook Backpack-CMM BMC
   - Renesas iWave G20D-Q7 (RZ/G1N)
   - Allwinner t3-cqa3t-bv3 (T3/R40) and Lichee Pi Nano (F1C100s)
   - Allwinner Emlid Neutis N5, Mapleboard MP130
   - Marvell Macchiatobin Single Shot (Armada 8040, no 10GbE)
   - i.MX: mtrion emCON-MX6, imx6ul-pico-pi, imx7d-sdb-reva
   - VF610: Liebherr's BK4 device, ZII SCU4 AIB board
   - i.MX7D PICO Hobbit baseboard
   - i.MX7ULP EVK board
   - NXP LX2160AQDS and LX2160ARDB boards

  Other:
   - Coresight binding updates across the board
   - CPU cooling maps updates across the board"

* tag 'armsoc-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (648 commits)
  ARM: dts: suniv: Fix improper bindings include patch
  ARM: dts: sunxi: Enable Broadcom-based Bluetooth for multiple boards
  arm64: dts: allwinner: a64: bananapi-m64: Add Bluetooth device node
  ARM: dts: suniv: Fix improper bindings include patch
  arm64: dts: Add spi-[tx/rx]-bus-width for the FSL QSPI controller
  arm64: dts: Remove unused properties from FSL QSPI driver nodes
  ARM: dts: Add spi-[tx/rx]-bus-width for the FSL QSPI controller
  ARM: dts: imx6sx-sdb: Fix the reg properties for the FSL QSPI nodes
  ARM: dts: Remove unused properties from FSL QSPI driver nodes
  arm64: dts: ti: k3-am654: Enable main domain McSPI0
  arm64: dts: ti: k3-am654: Add McSPI DT nodes
  arm64: dts: ti: k3-am654: Populate power-domain property for UART nodes
  arm64: dts: ti: k3-am654-base-board: Enable ECAP PWM
  arm64: dts: ti: k3-am65-main: Add ECAP PWM node
  arm64: dts: ti: k3-am654-base-board: Add I2C nodes
  arm64: dts: ti: am654-base-board: Add pinmux for main uart0
  arm64: dts: ti: k3-am65: Add pinctrl regions
  dt-bindings: pinctrl: k3: Introduce pinmux definitions
  ARM: dts: exynos: Specify I2S assigned clocks in proper node
  ARM: dts: exynos: Add missing CPUs in cooling maps for Odroid X2
  ...
 2018-12-31 17:36:02 -08:00
Linus Torvalds d36377c6eb ARM: SoC driver updates 
Misc driver updates for platforms, many of them power related.
 
  - Rockchip adds power domain support for rk3066 and rk3188
  - Amlogic adds a power measurement driver
  - Allwinner adds SRAM support for three platforms (F1C100, H5, A64 C1)
  - Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7
  - Broadcom fixes suspend/resume with Thumb2 kernels, and improves
    stability of a handful of firmware/platform interfaces
  - PXA completes their conversion to dmaengine framework
  - Renesas does a bunch of PM cleanups across many platforms
  - Tegra adds support for suspend/resume on T186/T194, which includes
    some driver cleanups and addition of wake events
  - Tegra also adds a driver for memory controller (EMC) on Tegra2
  - i.MX tweaks power domain bindings, and adds support for i.MX8MQ in GPC
  - Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60
 
  + misc cleanups across several platforms
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Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC driver updates from Olof Johansson:
 "Misc driver updates for platforms, many of them power related.

   - Rockchip adds power domain support for rk3066 and rk3188

   - Amlogic adds a power measurement driver

   - Allwinner adds SRAM support for three platforms (F1C100, H5, A64
     C1)

   - Wakeup and ti-sysc (platform bus) fixes for OMAP/DRA7

   - Broadcom fixes suspend/resume with Thumb2 kernels, and improves
     stability of a handful of firmware/platform interfaces

   - PXA completes their conversion to dmaengine framework

   - Renesas does a bunch of PM cleanups across many platforms

   - Tegra adds support for suspend/resume on T186/T194, which includes
     some driver cleanups and addition of wake events

   - Tegra also adds a driver for memory controller (EMC) on Tegra2

   - i.MX tweaks power domain bindings, and adds support for i.MX8MQ in
     GPC

   - Atmel adds identifiers and LPDDR2 support for a new SoC, SAM9X60

  and misc cleanups across several platforms"

* tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (73 commits)
  ARM: at91: add support in soc driver for new SAM9X60
  ARM: at91: add support in soc driver for LPDDR2 SiP
  memory: omap-gpmc: Use of_node_name_eq for node name comparisons
  bus: ti-sysc: Check for no-reset and no-idle flags at the child level
  ARM: OMAP2+: Check also the first dts child for hwmod flags
  soc: amlogic: meson-clk-measure: Add missing REGMAP_MMIO dependency
  soc: imx: gpc: Increase GPC_CLK_MAX to 7
  soc: renesas: rcar-sysc: Fix power domain control after system resume
  soc: renesas: rcar-sysc: Merge PM Domain registration and linking
  soc: renesas: rcar-sysc: Remove rcar_sysc_power_{down,up}() helpers
  soc: renesas: r8a77990-sysc: Fix initialization order of 3DG-{A,B}
  dt-bindings: sram: sunxi: Add compatible for the A64 SRAM C1
  dt-bindings: sram: sunxi: Add bindings for the H5 with SRAM C1
  dt-bindings: sram: Add Allwinner suniv F1C100s
  soc: sunxi: sram: Add support for the H5 SoC system control
  soc: sunxi: sram: Enable EMAC clock access for H3 variant
  soc: imx: gpcv2: add support for i.MX8MQ SoC
  soc: imx: gpcv2: move register access table to domain data
  soc: imx: gpcv2: prefix i.MX7 specific defines
  dmaengine: pxa: make the filter function internal
  ...
 2018-12-31 17:32:35 -08:00
Linus Torvalds 0922275ef1 ARM: SoC platform updates 
SoC updates, mostly refactorings and cleanups of old legacy platforms,
 but also a few more things:
 
 New SoC support this release:
  - NXP/Freescale i.MX7ULP (1x Cortex-A7, Cortex-M4, graphics, etc)
  - Allwinner F1C100, older platform with an ARM926-EJS (ARMv5) core
 
 Cleanups of various platforms:
  - OMAP1 ams-delta does some GPIO cleanups
  - Davinci removes of at24 platform data
  - Samsung cleans up old wakeup, PM debug and secondary core boot code
  - Renesas moves around config options and PM code to drivers/soc for
    sharing with 64-bit and more consistency
  - i.MX, Broadcom and SoCFPGA all have tweaks to lowlevel debug console setups
  - SoCFPGA adds explicit selection of ARM errata and removes some unused code
 
 This tag also contains a few patches that I had queued up as fixes for
 4.20 but didn't send in before the release.
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Merge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull arm SoC platform updates from Olof Johansson:
 "SoC updates, mostly refactorings and cleanups of old legacy platforms,
  but also a few more things:

  New SoC support this release:
   - NXP/Freescale i.MX7ULP (1x Cortex-A7, Cortex-M4, graphics, etc)
   - Allwinner F1C100, older platform with an ARM926-EJS (ARMv5) core

  Cleanups of various platforms:
   - OMAP1 ams-delta does some GPIO cleanups
   - Davinci removes of at24 platform data
   - Samsung cleans up old wakeup, PM debug and secondary core boot code
   - Renesas moves around config options and PM code to drivers/soc for
     sharing with 64-bit and more consistency
   - i.MX, Broadcom and SoCFPGA all have tweaks to lowlevel debug
     console setups
   - SoCFPGA adds explicit selection of ARM errata and removes some
     unused code

  This also contains a few patches that I had queued up as fixes for
  4.20 but didn't send in before the release"

* tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (68 commits)
  arm64: dts: renesas: draak: Fix CVBS input
  ARM: omap2: avoid section mismatch warning
  ARM: tegra: avoid section mismatch warning
  ARM: ks8695: fix section mismatch warning
  ARM: pxa: avoid section mismatch warning
  ARM: mmp: fix pxa168_device_usb_phy use on aspenite
  ARM: mmp: fix timer_init calls
  ARM: OMAP1: fix USB configuration for device-only setups
  ARM: OMAP1: add MMC configuration for Palm Tungsten E
  ARM: imx: fix dependencies on imx7ulp
  ARM: meson: select HAVE_ARM_TWD and ARM_GLOBAL_TIMER
  MAINTAINERS: add drivers/soc/amlogic/ to amlogic list
  ARM: imx: add initial support for imx7ulp
  ARM: debug-imx: only define DEBUG_IMX_UART_PORT if needed
  ARM: dts: Fix OMAP4430 SDP Ethernet startup
  ARM: dts: am335x-pdu001: Fix polarity of card detection input
  ARM: OMAP1: ams-delta: Fix audio permanently muted
  ARM: dts: omap5: Fix dual-role mode on Super-Speed port
  arm64: dts: rockchip: fix rk3399-rockpro64 regulator gpios
  ARM: davinci: da850-evm: remove unnecessary include
  ...
 2018-12-31 17:27:54 -08:00
Olof Johansson 2081076ac7 Highlights: 
-----------
 - Following pen_release and boot_lock cleanup initiated by
   Russell King, .smp_prepare_cpus and .smp_boot_secondary STi callbacks
   must be reworked to keep secondary CPU's bringup.
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Merge tag 'sti-soc-for-v4.21-round1' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti into next/late

Highlights:
-----------
- Following pen_release and boot_lock cleanup initiated by
  Russell King, .smp_prepare_cpus and .smp_boot_secondary STi callbacks
  must be reworked to keep secondary CPU's bringup.

* tag 'sti-soc-for-v4.21-round1' of git://git.kernel.org/pub/scm/linux/kernel/git/pchotard/sti:
  ARM: sti: remove pen_release and boot_lock

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-31 13:12:02 -08:00
Olof Johansson c6f9fa88a3 Samsung DTS ARM changes for v4.21, part 2 
1. Add missing CPUs in cooling maps for Odroid X2 (missed in previous
    round of fixups).
 2. Fix clock configuration in audio subsystem on Odroid XU3/XU4.
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Merge tag 'samsung-dt-4.21-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/late

Samsung DTS ARM changes for v4.21, part 2

1. Add missing CPUs in cooling maps for Odroid X2 (missed in previous
   round of fixups).
2. Fix clock configuration in audio subsystem on Odroid XU3/XU4.

* tag 'samsung-dt-4.21-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: dts: exynos: Specify I2S assigned clocks in proper node
  ARM: dts: exynos: Add missing CPUs in cooling maps for Odroid X2
  ARM: dts: exynos: remove display-port node from Arndale
  ARM: dts: exynos: Add opp-suspend to DMC and leftbus devfreq OPPs on Exynos4
  ARM: dts: s5pv210: Add s5p-jpeg codec node.
  ARM: dts: exynos: Use Samsung SoC specific compatible for DWC2 module
  ARM: dts: exynos: Add all CPUs in cooling maps
  ARM: dts: exynos: Clarify comment explaining purpose of Odroid XU3 DTSI
  ARM: dts: exynos: Add pin configuration for SD write protect on Odroid XU3/XU4/HC1
  ARM: dts: exynos: Update maximum frequency for eMMC to 200MHz on Odroid XU3/XU4
  ARM: dts: exynos: Update maximum frequency for SD card to 200MHz on Odroid XU3/XU4/HC1
  ARM: dts: exynos: Fix LDO13 min values on Odroid XU3/XU4/HC1
  ARM: dts: exynos: Add UHS-I bus speed support to Odroid XU3/XU4/HC1
  ARM: dts: exynos: Add missing clocks to RTC node for Arndale board
  ARM: dts: exynos: Add compatible for s5m8767 clocks node on Itop Core
  ARM: dts: exynos: Add compatible for s2mps11 clocks node on Exynos542x

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-31 13:10:16 -08:00
Manivannan Sadhasivam 6fc66a5c68 ARM: dts: rda8810pl: Add interrupt support for UART 
Add interrupt support for UART in RDA Micro RDA8810PL SoC.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-31 13:09:58 -08:00
Manivannan Sadhasivam 5a9fe404b9 ARM: dts: rda8810pl: Add timer support 
Add timer support for RDA Micro RDA8810PL SoC.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-31 13:09:49 -08:00
Manivannan Sadhasivam 7581d836bd ARM: dts: Add devicetree for OrangePi i96 board 
Add initial devicetree for Orange Pi i96 board from Xunlong. It
is one of the 96Boards IoT Edition board.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-31 13:09:46 -08:00
Manivannan Sadhasivam f0d319d26e ARM: dts: Add devicetree for OrangePi 2G IoT board 
Add initial devicetree support for OrangePi 2G IoT board from Xunlong.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-31 13:09:44 -08:00
Manivannan Sadhasivam 542e1c9dba ARM: dts: Add devicetree for RDA8810PL SoC 
Add initial device tree for RDA8810PL SoC from RDA Microelectronics.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-31 13:09:41 -08:00
Andreas Färber 78e3dbc166 ARM: Prepare RDA8810PL SoC 
Introduce ARCH_RDA and mach-rda for RDA Micro SoCs.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-31 13:09:39 -08:00
Olof Johansson cac1fc8fb5 Merge branch 'fixes' into next/soc 
Merge in fixes here, since the last batch didn't make it in before the
release of 4.20, and we might as well group them with this set of
patches.

* fixes: (822 commits)
  arm64: dts: renesas: draak: Fix CVBS input
  ARM: dts: Fix OMAP4430 SDP Ethernet startup
  ARM: dts: am335x-pdu001: Fix polarity of card detection input
  ARM: OMAP1: ams-delta: Fix audio permanently muted
  ARM: dts: omap5: Fix dual-role mode on Super-Speed port
  arm64: dts: rockchip: fix rk3399-rockpro64 regulator gpios
  ARM: dts: imx7d-nitrogen7: Fix the description of the Wifi clock
  ARM: imx: update the cpu power up timing setting on i.mx6sx
  Revert "arm64: dts: marvell: add CPU Idle power state support on Armada 7K/8K"
  ARM: dts: imx7d-pico: Describe the Wifi clock
  ARM: dts: realview: Fix some more duplicate regulator nodes
  MAINTAINERS: update entry for MMP platform
  ARM: mmp/mmp2: fix cpu_is_mmp2() on mmp2-dt
  MAINTAINERS: mediatek: Update SoC entry
  ARM: dts: bcm2837: Fix polarity of wifi reset GPIOs
  + Linux 4.20-rc5

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-31 11:54:03 -08:00
Christophe Leroy cc0282975b kgdb/treewide: constify struct kgdb_arch arch_kgdb_ops 
checkpatch.pl reports the following:

  WARNING: struct kgdb_arch should normally be const
  #28: FILE: arch/mips/kernel/kgdb.c:397:
  +struct kgdb_arch arch_kgdb_ops = {

This report makes sense, as all other ops struct, this
one should also be const. This patch does the change.

Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Ley Foon Tan <lftan@altera.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Rich Felker <dalias@libc.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: x86@kernel.org
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Acked-by: Paul Burton <paul.burton@mips.com>
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Acked-by: Borislav Petkov <bp@suse.de>
Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
 2018-12-30 08:33:06 +00:00
Douglas Anderson 3cd99ac355 kgdb: Fix kgdb_roundup_cpus() for arches who used smp_call_function() 
When I had lockdep turned on and dropped into kgdb I got a nice splat
on my system.  Specifically it hit:
  DEBUG_LOCKS_WARN_ON(current->hardirq_context)

Specifically it looked like this:
  sysrq: SysRq : DEBUG
  ------------[ cut here ]------------
  DEBUG_LOCKS_WARN_ON(current->hardirq_context)
  WARNING: CPU: 0 PID: 0 at .../kernel/locking/lockdep.c:2875 lockdep_hardirqs_on+0xf0/0x160
  CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.19.0 #27
  pstate: 604003c9 (nZCv DAIF +PAN -UAO)
  pc : lockdep_hardirqs_on+0xf0/0x160
  ...
  Call trace:
   lockdep_hardirqs_on+0xf0/0x160
   trace_hardirqs_on+0x188/0x1ac
   kgdb_roundup_cpus+0x14/0x3c
   kgdb_cpu_enter+0x53c/0x5cc
   kgdb_handle_exception+0x180/0x1d4
   kgdb_compiled_brk_fn+0x30/0x3c
   brk_handler+0x134/0x178
   do_debug_exception+0xfc/0x178
   el1_dbg+0x18/0x78
   kgdb_breakpoint+0x34/0x58
   sysrq_handle_dbg+0x54/0x5c
   __handle_sysrq+0x114/0x21c
   handle_sysrq+0x30/0x3c
   qcom_geni_serial_isr+0x2dc/0x30c
  ...
  ...
  irq event stamp: ...45
  hardirqs last  enabled at (...44): [...] __do_softirq+0xd8/0x4e4
  hardirqs last disabled at (...45): [...] el1_irq+0x74/0x130
  softirqs last  enabled at (...42): [...] _local_bh_enable+0x2c/0x34
  softirqs last disabled at (...43): [...] irq_exit+0xa8/0x100
  ---[ end trace adf21f830c46e638 ]---

Looking closely at it, it seems like a really bad idea to be calling
local_irq_enable() in kgdb_roundup_cpus().  If nothing else that seems
like it could violate spinlock semantics and cause a deadlock.

Instead, let's use a private csd alongside
smp_call_function_single_async() to round up the other CPUs.  Using
smp_call_function_single_async() doesn't require interrupts to be
enabled so we can remove the offending bit of code.

In order to avoid duplicating this across all the architectures that
use the default kgdb_roundup_cpus(), we'll add a "weak" implementation
to debug_core.c.

Looking at all the people who previously had copies of this code,
there were a few variants.  I've attempted to keep the variants
working like they used to.  Specifically:
* For arch/arc we passed NULL to kgdb_nmicallback() instead of
  get_irq_regs().
* For arch/mips there was a bit of extra code around
  kgdb_nmicallback()

NOTE: In this patch we will still get into trouble if we try to round
up a CPU that failed to round up before.  We'll try to round it up
again and potentially hang when we try to grab the csd lock.  That's
not new behavior but we'll still try to do better in a future patch.

Suggested-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
 2018-12-30 08:28:02 +00:00
Douglas Anderson 9ef7fa507d kgdb: Remove irq flags from roundup 
The function kgdb_roundup_cpus() was passed a parameter that was
documented as:

> the flags that will be used when restoring the interrupts. There is
> local_irq_save() call before kgdb_roundup_cpus().

Nobody used those flags.  Anyone who wanted to temporarily turn on
interrupts just did local_irq_enable() and local_irq_disable() without
looking at them.  So we can definitely remove the flags.

Signed-off-by: Douglas Anderson <dianders@chromium.org>
Cc: Vineet Gupta <vgupta@synopsys.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Richard Kuo <rkuo@codeaurora.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Paul Burton <paul.burton@mips.com>
Cc: James Hogan <jhogan@kernel.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
 2018-12-30 08:24:21 +00:00
Linus Torvalds 195303136f Kconfig file consolidation for v4.21 
Consolidation of bus (PCI, PCMCIA, EISA, RapidIO) config entries
 by Christoph Hellwig.
 
 Currently, every architecture that wants to provide common peripheral
 busses needs to add some boilerplate code and include the right Kconfig
 files. This series instead just selects the presence (when needed) and
 then handles everything in the bus-specific Kconfig file under drivers/.
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Merge tag 'kconfig-v4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kconfig file consolidation from Masahiro Yamada:
 "Consolidation of bus (PCI, PCMCIA, EISA, RapidIO) config entries by
  Christoph Hellwig.

  Currently, every architecture that wants to provide common peripheral
  busses needs to add some boilerplate code and include the right
  Kconfig files. This series instead just selects the presence (when
  needed) and then handles everything in the bus-specific Kconfig file
  under drivers/"

* tag 'kconfig-v4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild:
  pcmcia: remove per-arch PCMCIA config entry
  eisa: consolidate EISA Kconfig entry in drivers/eisa
  rapidio: consolidate RAPIDIO config entry in drivers/rapidio
  pcmcia: allow PCMCIA support independent of the architecture
  PCI: consolidate the PCI_SYSCALL symbol
  PCI: consolidate the PCI_DOMAINS and PCI_DOMAINS_GENERIC config options
  PCI: consolidate PCI config entry in drivers/pci
  MIPS: remove the HT_PCI config option
 2018-12-29 13:40:29 -08:00
Linus Torvalds 769e47094d Kconfig updates for v4.21 
- support -y option for merge_config.sh to avoid downgrading =y to =m
 
  - remove S_OTHER symbol type, and touch include/config/*.h files correctly
 
  - fix file name and line number in lexer warnings
 
  - fix memory leak when EOF is encountered in quotation
 
  - resolve all shift/reduce conflicts of the parser
 
  - warn no new line at end of file
 
  - make 'source' statement more strict to take only string literal
 
  - rewrite the lexer and remove the keyword lookup table
 
  - convert to SPDX License Identifier
 
  - compile C files independently instead of including them from zconf.y
 
  - fix various warnings of gconfig
 
  - misc cleanups
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Merge tag 'kconfig-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kconfig updates from Masahiro Yamada:

 - support -y option for merge_config.sh to avoid downgrading =y to =m

 - remove S_OTHER symbol type, and touch include/config/*.h files correctly

 - fix file name and line number in lexer warnings

 - fix memory leak when EOF is encountered in quotation

 - resolve all shift/reduce conflicts of the parser

 - warn no new line at end of file

 - make 'source' statement more strict to take only string literal

 - rewrite the lexer and remove the keyword lookup table

 - convert to SPDX License Identifier

 - compile C files independently instead of including them from zconf.y

 - fix various warnings of gconfig

 - misc cleanups

* tag 'kconfig-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (39 commits)
  kconfig: surround dbg_sym_flags with #ifdef DEBUG to fix gconf warning
  kconfig: split images.c out of qconf.cc/gconf.c to fix gconf warnings
  kconfig: add static qualifiers to fix gconf warnings
  kconfig: split the lexer out of zconf.y
  kconfig: split some C files out of zconf.y
  kconfig: convert to SPDX License Identifier
  kconfig: remove keyword lookup table entirely
  kconfig: update current_pos in the second lexer
  kconfig: switch to ASSIGN_VAL state in the second lexer
  kconfig: stop associating kconf_id with yylval
  kconfig: refactor end token rules
  kconfig: stop supporting '.' and '/' in unquoted words
  treewide: surround Kconfig file paths with double quotes
  microblaze: surround string default in Kconfig with double quotes
  kconfig: use T_WORD instead of T_VARIABLE for variables
  kconfig: use specific tokens instead of T_ASSIGN for assignments
  kconfig: refactor scanning and parsing "option" properties
  kconfig: use distinct tokens for type and default properties
  kconfig: remove redundant token defines
  kconfig: rename depends_list to comment_option_list
  ...
 2018-12-29 13:03:29 -08:00
Linus Torvalds 668c35f69c Kbuild updates for v4.21 
Kbuild core:
  - remove unneeded $(call cc-option,...) switches
  - consolidate Clang compiler flags into CLANG_FLAGS
  - announce the deprecation of SUBDIRS
  - fix single target build for external module
  - simplify the dependencies of 'prepare' stage targets
  - allow fixdep to directly write to .*.cmd files
  - simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS
  - change if_changed_rule to accept multi-line recipe
  - move .SECONDARY special target to scripts/Kbuild.include
  - remove redundant 'set -e'
  - improve parallel execution for CONFIG_HEADERS_CHECK
  - misc cleanups
 
 Treewide fixes and cleanups
  - set Clang flags correctly for PowerPC boot images
  - fix UML build error with CONFIG_GCC_PLUGINS
  - remove unneeded patterns from .gitignore files
  - refactor firmware/Makefile
  - remove unneeded rules for *offsets.s
  - avoid unneeded regeneration of intermediate .s files
  - clean up ./Kbuild
 
 Modpost:
  - remove unused -M, -K options
  - fix false positive warnings about section mismatch
  - use simple devtable lookup instead of linker magic
  - misc cleanups
 
 Coccinelle:
  - relax boolinit.cocci checks for overall consistency
  - fix warning messages of boolinit.cocci
 
 Other tools:
  - improve -dirty check of scripts/setlocalversion
  - add a tool to generate compile_commands.json from .*.cmd files
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Merge tag 'kbuild-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

Pull Kbuild updates from Masahiro Yamada:
 "Kbuild core:
   - remove unneeded $(call cc-option,...) switches
   - consolidate Clang compiler flags into CLANG_FLAGS
   - announce the deprecation of SUBDIRS
   - fix single target build for external module
   - simplify the dependencies of 'prepare' stage targets
   - allow fixdep to directly write to .*.cmd files
   - simplify dependency generation for CONFIG_TRIM_UNUSED_KSYMS
   - change if_changed_rule to accept multi-line recipe
   - move .SECONDARY special target to scripts/Kbuild.include
   - remove redundant 'set -e'
   - improve parallel execution for CONFIG_HEADERS_CHECK
   - misc cleanups

  Treewide fixes and cleanups
   - set Clang flags correctly for PowerPC boot images
   - fix UML build error with CONFIG_GCC_PLUGINS
   - remove unneeded patterns from .gitignore files
   - refactor firmware/Makefile
   - remove unneeded rules for *offsets.s
   - avoid unneeded regeneration of intermediate .s files
   - clean up ./Kbuild

  Modpost:
   - remove unused -M, -K options
   - fix false positive warnings about section mismatch
   - use simple devtable lookup instead of linker magic
   - misc cleanups

  Coccinelle:
   - relax boolinit.cocci checks for overall consistency
   - fix warning messages of boolinit.cocci

  Other tools:
   - improve -dirty check of scripts/setlocalversion
   - add a tool to generate compile_commands.json from .*.cmd files"

* tag 'kbuild-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (51 commits)
  kbuild: remove unused cmd_gentimeconst
  kbuild: remove $(obj)/ prefixes in ./Kbuild
  treewide: add intermediate .s files to targets
  treewide: remove explicit rules for *offsets.s
  firmware: refactor firmware/Makefile
  firmware: remove unnecessary patterns from .gitignore
  scripts: remove unnecessary ihex2fw and check-lc_ctypes from .gitignore
  um: remove unused filechk_gen_header in Makefile
  scripts: add a tool to produce a compile_commands.json file
  kbuild: add -Werror=implicit-int flag unconditionally
  kbuild: add -Werror=strict-prototypes flag unconditionally
  kbuild: add -fno-PIE flag unconditionally
  scripts: coccinelle: Correct warning message
  scripts: coccinelle: only suggest true/false in files that already use them
  kbuild: handle part-of-module correctly for *.ll and *.symtypes
  kbuild: refactor part-of-module
  kbuild: refactor quiet_modtag
  kbuild: remove redundant quiet_modtag for $(obj-m)
  kbuild: refactor Makefile.asm-generic
  user/Makefile: Fix typo and capitalization in comment section
  ...
 2018-12-29 12:03:17 -08:00
Linus Torvalds 030672aea8 Merge tag 'devicetree-for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux 
Pull Devicetree updates from Rob Herring:
 "The biggest highlight here is the start of using json-schema for DT
  bindings. Being able to validate bindings has been discussed for years
  with little progress.

   - Initial support for DT bindings using json-schema language. This is
     the start of converting DT bindings from free-form text to a
     structured format.

   - Reworking of initrd address initialization. This moves to using the
     phys address instead of virt addr in the DT parsing code. This
     rework was motivated by CONFIG_DEV_BLK_INITRD causing unnecessary
     rebuilding of lots of files.

   - Fix stale phandle entries in phandle cache

   - DT overlay validation improvements. This exposed several memory
     leak bugs which have been fixed.

   - Use node name and device_type helper functions in DT code

   - Last remaining conversions to using %pOFn printk specifier instead
     of device_node.name directly

   - Create new common RTC binding doc and move all trivial RTC devices
     out of trivial-devices.txt.

   - New bindings for Freescale MAG3110 magnetometer, Cadence Sierra
     PHY, and Xen shared memory

   - Update dtc to upstream version v1.4.7-57-gf267e674d145"

* tag 'devicetree-for-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (68 commits)
  of: __of_detach_node() - remove node from phandle cache
  of: of_node_get()/of_node_put() nodes held in phandle cache
  gpio-omap.txt: add reg and interrupts properties
  dt-bindings: mrvl,intc: fix a trivial typo
  dt-bindings: iio: magnetometer: add dt-bindings for freescale mag3110
  dt-bindings: Convert trivial-devices.txt to json-schema
  dt-bindings: arm: mrvl: amend Browstone compatible string
  dt-bindings: arm: Convert Tegra board/soc bindings to json-schema
  dt-bindings: arm: Convert ZTE board/soc bindings to json-schema
  dt-bindings: arm: Add missing Xilinx boards
  dt-bindings: arm: Convert Xilinx board/soc bindings to json-schema
  dt-bindings: arm: Convert VIA board/soc bindings to json-schema
  dt-bindings: arm: Convert ST STi board/soc bindings to json-schema
  dt-bindings: arm: Convert SPEAr board/soc bindings to json-schema
  dt-bindings: arm: Convert CSR SiRF board/soc bindings to json-schema
  dt-bindings: arm: Convert QCom board/soc bindings to json-schema
  dt-bindings: arm: Convert TI nspire board/soc bindings to json-schema
  dt-bindings: arm: Convert TI davinci board/soc bindings to json-schema
  dt-bindings: arm: Convert Calxeda board/soc bindings to json-schema
  dt-bindings: arm: Convert Altera board/soc bindings to json-schema
  ...
 2018-12-28 20:08:34 -08:00
Linus Torvalds 24dc83635f This is the bulk of GPIO changes for the v4.21 kernel series: 
Core changes:
 
 - Some core changes are already in outside of this pull
   request as they came through the regulator tree, most
   notably devm_gpiod_unhinge() that removes devres refcount
   management from a GPIO descriptor. This is needed in
   subsystems such as regulators where the regulator core
   need to take over the reference counting and lifecycle
   management for a GPIO descriptor.
 
 - We dropped devm_gpiochip_remove() and devm_gpio_chip_match()
   as nothing needs it. We can bring it back if need be.
 
 - Add a global TODO so people see where we are going. This
   helps setting the direction now that we are two GPIO
   maintainers.
 
 - Handle the MMC CD/WP properties in the device tree core.
   (The bulk of patches activating this code is already
   merged through the MMC/SD tree.)
 
 - Augment gpiochip_request_own_desc() to pass a flag so
   we as gpiochips can request lines as active low or open
   drain etc even from ourselves.
 
 New drivers:
 
 - New driver for Cadence GPIO blocks.
 
 - New driver for Atmel SAMA5D2 PIOBU GPIO lines.
 
 Driver improvements:
 
 - A major refactoring of the PCA953x driver - this driver has
   been around for ages, and is now modernized to reduce code
   duplication that has stacked up and is using regmap to read
   write and cache registers.
 
 - Intel drivers are now maintained in a separate tree and
   start with a round of cleanups and unifications.
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Merge tag 'gpio-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio

Pull GPIO updates from Linus Walleij:
 "This is the bulk of GPIO changes for the v4.21 kernel series.

  Core changes:

   - Some core changes are already in outside of this pull request as
     they came through the regulator tree, most notably
     devm_gpiod_unhinge() that removes devres refcount management from a
     GPIO descriptor. This is needed in subsystems such as regulators
     where the regulator core need to take over the reference counting
     and lifecycle management for a GPIO descriptor.

   - We dropped devm_gpiochip_remove() and devm_gpio_chip_match() as
     nothing needs it. We can bring it back if need be.

   - Add a global TODO so people see where we are going. This helps
     setting the direction now that we are two GPIO maintainers.

   - Handle the MMC CD/WP properties in the device tree core. (The bulk
     of patches activating this code is already merged through the
     MMC/SD tree.)

   - Augment gpiochip_request_own_desc() to pass a flag so we as
     gpiochips can request lines as active low or open drain etc even
     from ourselves.

  New drivers:

   - New driver for Cadence GPIO blocks.

   - New driver for Atmel SAMA5D2 PIOBU GPIO lines.

  Driver improvements:

   - A major refactoring of the PCA953x driver - this driver has been
     around for ages, and is now modernized to reduce code duplication
     that has stacked up and is using regmap to read write and cache
     registers.

   - Intel drivers are now maintained in a separate tree and start with
     a round of cleanups and unifications"

* tag 'gpio-v4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (99 commits)
  gpio: sama5d2-piobu: Depend on OF_GPIO
  gpio: Add Cadence GPIO driver
  dt-bindings: gpio: Add bindings for Cadence GPIO
  gpiolib-acpi: remove unused variable 'err', cleans up build warning
  gpio: mxs: read pin level directly instead of using .get
  gpio: aspeed: remove duplicated statement
  gpio: add driver for SAMA5D2 PIOBU pins
  dt-bindings: arm: atmel: describe SECUMOD usage as a GPIO controller
  gpio/mmc/of: Respect polarity in the device tree
  dt-bindings: gpio: rcar: Add r8a774c0 (RZ/G2E) support
  memory: omap-gpmc: Get the header of the enum
  ARM: omap1: Fix new user of gpiochip_request_own_desc()
  gpio: pca953x: Add regmap dependency for PCA953x driver
  gpio: raspberrypi-exp: decrease refcount on firmware dt node
  gpiolib: Fix return value of gpio_to_desc() stub if !GPIOLIB
  gpio: pca953x: Restore registers after suspend/resume cycle
  gpio: pca953x: Zap single use of pca953x_read_single()
  gpio: pca953x: Zap ad-hoc reg_output cache
  gpio: pca953x: Zap ad-hoc reg_direction cache
  gpio: pca953x: Perform basic regmap conversion
  ...
 2018-12-28 20:00:21 -08:00
Linus Torvalds 00d59fde85 MMC core: 
- Cleanup BKOPS support
  - Introduce MMC_CAP_SYNC_RUNTIME_PM
  - slot-gpio: Delete legacy slot GPIO handling
 
 MMC host:
  - alcor: Add new mmc host driver for Alcor Micro PCI based cardreader
  - bcm2835: Several improvements to better recover from errors
  - jz4740: Rework and fixup pre|post_req support
  - mediatek: Add support for SDIO IRQs
  - meson-gx: Improve clock phase management
  - meson-gx: Stop descriptor on errors
  - mmci: Complete the sbc error path by sending a stop command
  - renesas_sdhi/tmio: Fixup reset/resume operations
  - renesas_sdhi: Add support for r8a774c0 and R7S9210
  - renesas_sdhi: Whitelist R8A77990 SDHI
  - renesas_sdhi: Fixup eMMC HS400 compatibility issues for H3 and M3-W
  - rtsx_usb_sdmmc: Re-work card detection/removal support
  - rtsx_usb_sdmmc: Re-work runtime PM support
  - sdhci: Fix timeout loops for some variant drivers
  - sdhci: Improve support for error handling due to failing commands
  - sdhci-acpi/pci: Disable LED control for Intel BYT-based controllers
  - sdhci_am654: Add new SDHCI variant driver to support TI's AM654 SOCs
  - sdhci-of-esdhc: Add support for eMMC HS400 mode
  - sdhci-omap: Fixup reset support
  - sdhci-omap: Workaround errata regarding SDR104/HS200 tuning failures
  - sdhci-msm: Fixup sporadic write transfers issues for SDR104/HS200
  - sdhci-msm: Fixup dynamical clock gating issues
  - various: Complete converting all hosts into using slot GPIO descriptors
 
 Other:
  - Move GPIO mmc platform data for mips/sh/arm to GPIO descriptors
  - Add new Alcor Micro cardreader PCI driver
  - Support runtime power management for memstick rtsx_usb_ms driver
  - Use USB remote wakeups for card detection for rtsx_usb misc driver
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Merge tag 'mmc-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc

Pull MMC updates from Ulf Hansson:
 "This time, this pull request contains changes crossing subsystems and
  archs/platforms, which is mainly because of a bigger modernization of
  moving from legacy GPIO to GPIO descriptors for MMC (by Linus
  Walleij).

  Additionally, once again, I am funneling changes to
  drivers/misc/cardreader/* and drivers/memstick/* through my MMC tree,
  mostly due to that we lack a maintainer for these.

  Summary:

  MMC core:
   - Cleanup BKOPS support
   - Introduce MMC_CAP_SYNC_RUNTIME_PM
   - slot-gpio: Delete legacy slot GPIO handling

  MMC host:
   - alcor: Add new mmc host driver for Alcor Micro PCI based cardreader
   - bcm2835: Several improvements to better recover from errors
   - jz4740: Rework and fixup pre|post_req support
   - mediatek: Add support for SDIO IRQs
   - meson-gx: Improve clock phase management
   - meson-gx: Stop descriptor on errors
   - mmci: Complete the sbc error path by sending a stop command
   - renesas_sdhi/tmio: Fixup reset/resume operations
   - renesas_sdhi: Add support for r8a774c0 and R7S9210
   - renesas_sdhi: Whitelist R8A77990 SDHI
   - renesas_sdhi: Fixup eMMC HS400 compatibility issues for H3 and M3-W
   - rtsx_usb_sdmmc: Re-work card detection/removal support
   - rtsx_usb_sdmmc: Re-work runtime PM support
   - sdhci: Fix timeout loops for some variant drivers
   - sdhci: Improve support for error handling due to failing commands
   - sdhci-acpi/pci: Disable LED control for Intel BYT-based controllers
   - sdhci_am654: Add new SDHCI variant driver to support TI's AM654 SOCs
   - sdhci-of-esdhc: Add support for eMMC HS400 mode
   - sdhci-omap: Fixup reset support
   - sdhci-omap: Workaround errata regarding SDR104/HS200 tuning failures
   - sdhci-msm: Fixup sporadic write transfers issues for SDR104/HS200
   - sdhci-msm: Fixup dynamical clock gating issues
   - various: Complete converting all hosts into using slot GPIO descriptors

  Other:
   - Move GPIO mmc platform data for mips/sh/arm to GPIO descriptors
   - Add new Alcor Micro cardreader PCI driver
   - Support runtime power management for memstick rtsx_usb_ms driver
   - Use USB remote wakeups for card detection for rtsx_usb misc driver"

* tag 'mmc-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/ulfh/mmc: (99 commits)
  mmc: mediatek: Add MMC_CAP_SDIO_IRQ support
  mmc: renesas_sdhi_internal_dmac: Whitelist r8a774c0
  dt-bindings: mmc: renesas_sdhi: Add r8a774c0 support
  mmc: core: Cleanup BKOPS support
  mmc: core: Drop redundant check in mmc_send_hpi_cmd()
  mmc: sdhci-omap: Workaround errata regarding SDR104/HS200 tuning failures (i929)
  dt-bindings: sdhci-omap: Add note for cpu_thermal
  mmc: sdhci-acpi: Disable LED control for Intel BYT-based controllers
  mmc: sdhci-pci: Disable LED control for Intel BYT-based controllers
  mmc: sdhci: Add quirk to disable LED control
  mmc: mmci: add variant property to set command stop bit
  misc: alcor_pci: fix spelling mistake "invailid" -> "invalid"
  mmc: meson-gx: add signal resampling
  mmc: meson-gx: align default phase on soc vendor tree
  mmc: meson-gx: remove useless lock
  mmc: meson-gx: make sure the descriptor is stopped on errors
  mmc: sdhci_am654: Add Initial Support for AM654 SDHCI driver
  dt-bindings: mmc: sdhci-of-arasan: Add deprecated message for AM65
  dt-bindings: mmc: sdhci-am654: Document bindings for the host controllers on TI's AM654 SOCs
  mmc: sdhci-msm: avoid unused function warning
  ...
 2018-12-28 16:52:18 -08:00
Linus Torvalds af7ddd8a62 DMA mapping updates for Linux 4.21 
A huge update this time, but a lot of that is just consolidating or
 removing code:
 
  - provide a common DMA_MAPPING_ERROR definition and avoid indirect
    calls for dma_map_* error checking
  - use direct calls for the DMA direct mapping case, avoiding huge
    retpoline overhead for high performance workloads
  - merge the swiotlb dma_map_ops into dma-direct
  - provide a generic remapping DMA consistent allocator for architectures
    that have devices that perform DMA that is not cache coherent. Based
    on the existing arm64 implementation and also used for csky now.
  - improve the dma-debug infrastructure, including dynamic allocation
    of entries (Robin Murphy)
  - default to providing chaining scatterlist everywhere, with opt-outs
    for the few architectures (alpha, parisc, most arm32 variants) that
    can't cope with it
  - misc sparc32 dma-related cleanups
  - remove the dma_mark_clean arch hook used by swiotlb on ia64 and
    replace it with the generic noncoherent infrastructure
  - fix the return type of dma_set_max_seg_size (Niklas Söderlund)
  - move the dummy dma ops for not DMA capable devices from arm64 to
    common code (Robin Murphy)
  - ensure dma_alloc_coherent returns zeroed memory to avoid kernel data
    leaks through userspace.  We already did this for most common
    architectures, but this ensures we do it everywhere.
    dma_zalloc_coherent has been deprecated and can hopefully be
    removed after -rc1 with a coccinelle script.
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Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping

Pull DMA mapping updates from Christoph Hellwig:
 "A huge update this time, but a lot of that is just consolidating or
  removing code:

   - provide a common DMA_MAPPING_ERROR definition and avoid indirect
     calls for dma_map_* error checking

   - use direct calls for the DMA direct mapping case, avoiding huge
     retpoline overhead for high performance workloads

   - merge the swiotlb dma_map_ops into dma-direct

   - provide a generic remapping DMA consistent allocator for
     architectures that have devices that perform DMA that is not cache
     coherent. Based on the existing arm64 implementation and also used
     for csky now.

   - improve the dma-debug infrastructure, including dynamic allocation
     of entries (Robin Murphy)

   - default to providing chaining scatterlist everywhere, with opt-outs
     for the few architectures (alpha, parisc, most arm32 variants) that
     can't cope with it

   - misc sparc32 dma-related cleanups

   - remove the dma_mark_clean arch hook used by swiotlb on ia64 and
     replace it with the generic noncoherent infrastructure

   - fix the return type of dma_set_max_seg_size (Niklas Söderlund)

   - move the dummy dma ops for not DMA capable devices from arm64 to
     common code (Robin Murphy)

   - ensure dma_alloc_coherent returns zeroed memory to avoid kernel
     data leaks through userspace. We already did this for most common
     architectures, but this ensures we do it everywhere.
     dma_zalloc_coherent has been deprecated and can hopefully be
     removed after -rc1 with a coccinelle script"

* tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping: (73 commits)
  dma-mapping: fix inverted logic in dma_supported
  dma-mapping: deprecate dma_zalloc_coherent
  dma-mapping: zero memory returned from dma_alloc_*
  sparc/iommu: fix ->map_sg return value
  sparc/io-unit: fix ->map_sg return value
  arm64: default to the direct mapping in get_arch_dma_ops
  PCI: Remove unused attr variable in pci_dma_configure
  ia64: only select ARCH_HAS_DMA_COHERENT_TO_PFN if swiotlb is enabled
  dma-mapping: bypass indirect calls for dma-direct
  vmd: use the proper dma_* APIs instead of direct methods calls
  dma-direct: merge swiotlb_dma_ops into the dma_direct code
  dma-direct: use dma_direct_map_page to implement dma_direct_map_sg
  dma-direct: improve addressability error reporting
  swiotlb: remove dma_mark_clean
  swiotlb: remove SWIOTLB_MAP_ERROR
  ACPI / scan: Refactor _CCA enforcement
  dma-mapping: factor out dummy DMA ops
  dma-mapping: always build the direct mapping code
  dma-mapping: move dma_cache_sync out of line
  dma-mapping: move various slow path functions out of line
  ...
 2018-12-28 14:12:21 -08:00
Linus Torvalds fe2b0cdabc for-4.21/libata-20181221 
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Merge tag 'for-4.21/libata-20181221' of git://git.kernel.dk/linux-block

Pull libata updates from Jens Axboe:
 "Here are the libata changes for this merge window. Nothing major in
  here. This contains:

   - GPIO descriptor conversions (Linus Walleij)

   - rcar deferred probing fix (Sergei Shtylyov)"

* tag 'for-4.21/libata-20181221' of git://git.kernel.dk/linux-block:
  sata_rcar: fix deferred probing
  ata: palmld: Introduce state container
  ata: palmld: Convert to GPIO descriptors
  ata: rb532_cf: Convert to use GPIO descriptors
  ata: sata_highbank: Convert to use GPIO descriptors
  ata: pxa: Drop <linux/gpio.h> include
 2018-12-28 14:06:43 -08:00
Linus Torvalds b71acb0e37 Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 
Pull crypto updates from Herbert Xu:
 "API:
   - Add 1472-byte test to tcrypt for IPsec
   - Reintroduced crypto stats interface with numerous changes
   - Support incremental algorithm dumps

  Algorithms:
   - Add xchacha12/20
   - Add nhpoly1305
   - Add adiantum
   - Add streebog hash
   - Mark cts(cbc(aes)) as FIPS allowed

  Drivers:
   - Improve performance of arm64/chacha20
   - Improve performance of x86/chacha20
   - Add NEON-accelerated nhpoly1305
   - Add SSE2 accelerated nhpoly1305
   - Add AVX2 accelerated nhpoly1305
   - Add support for 192/256-bit keys in gcmaes AVX
   - Add SG support in gcmaes AVX
   - ESN for inline IPsec tx in chcr
   - Add support for CryptoCell 703 in ccree
   - Add support for CryptoCell 713 in ccree
   - Add SM4 support in ccree
   - Add SM3 support in ccree
   - Add support for chacha20 in caam/qi2
   - Add support for chacha20 + poly1305 in caam/jr
   - Add support for chacha20 + poly1305 in caam/qi2
   - Add AEAD cipher support in cavium/nitrox"

* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (130 commits)
  crypto: skcipher - remove remnants of internal IV generators
  crypto: cavium/nitrox - Fix build with !CONFIG_DEBUG_FS
  crypto: salsa20-generic - don't unnecessarily use atomic walk
  crypto: skcipher - add might_sleep() to skcipher_walk_virt()
  crypto: x86/chacha - avoid sleeping under kernel_fpu_begin()
  crypto: cavium/nitrox - Added AEAD cipher support
  crypto: mxc-scc - fix build warnings on ARM64
  crypto: api - document missing stats member
  crypto: user - remove unused dump functions
  crypto: chelsio - Fix wrong error counter increments
  crypto: chelsio - Reset counters on cxgb4 Detach
  crypto: chelsio - Handle PCI shutdown event
  crypto: chelsio - cleanup:send addr as value in function argument
  crypto: chelsio - Use same value for both channel in single WR
  crypto: chelsio - Swap location of AAD and IV sent in WR
  crypto: chelsio - remove set but not used variable 'kctx_len'
  crypto: ux500 - Use proper enum in hash_set_dma_transfer
  crypto: ux500 - Use proper enum in cryp_set_dma_transfer
  crypto: aesni - Add scatter/gather avx stubs, and use them in C
  crypto: aesni - Introduce partial block macro
  ..
 2018-12-27 13:53:32 -08:00
Linus Torvalds 7f9f852c75 Modules updates for v4.21 
Summary of modules changes for the 4.21 merge window:
 
 - Some modules-related kallsyms cleanups and a kallsyms fix for ARM.
 
 - Include keys from the secondary keyring in module signature
   verification.
 
 Signed-off-by: Jessica Yu <jeyu@kernel.org>
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Merge tag 'modules-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux

Pull modules updates from Jessica Yu:

 - Some modules-related kallsyms cleanups and a kallsyms fix for ARM.

 - Include keys from the secondary keyring in module signature
   verification.

* tag 'modules-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux:
  ARM: module: Fix function kallsyms on Thumb-2
  module: Overwrite st_size instead of st_info
  module: make it clearer when we're handling kallsyms symbols vs exported symbols
  modsign: use all trusted keys to verify module signature
 2018-12-27 12:08:33 -08:00
Linus Torvalds c6f1b355d4 New gcc-plugin: 
- Enable per-task stack protector for ARM (Ard Biesheuvel)
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Merge tag 'gcc-plugins-v4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull gcc-plugins update from Kees Cook:
 "Both arm and arm64 are gaining per-task stack canaries (to match x86),
  but arm is being done with a gcc plugin, hence it going through the
  gcc-plugins tree.

  New gcc-plugin:

   - Enable per-task stack protector for ARM (Ard Biesheuvel)"

* tag 'gcc-plugins-v4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  ARM: smp: add support for per-task stack canaries
 2018-12-27 11:19:07 -08:00
Linus Torvalds 42b00f122c * ARM: selftests improvements, large PUD support for HugeTLB, 
single-stepping fixes, improved tracing, various timer and vGIC
 fixes
 
 * x86: Processor Tracing virtualization, STIBP support, some correctness fixes,
 refactorings and splitting of vmx.c, use the Hyper-V range TLB flush hypercall,
 reduce order of vcpu struct, WBNOINVD support, do not use -ftrace for __noclone
 functions, nested guest support for PAUSE filtering on AMD, more Hyper-V
 enlightenments (direct mode for synthetic timers)
 
 * PPC: nested VFIO
 
 * s390: bugfixes only this time
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

Pull KVM updates from Paolo Bonzini:
 "ARM:
   - selftests improvements
   - large PUD support for HugeTLB
   - single-stepping fixes
   - improved tracing
   - various timer and vGIC fixes

  x86:
   - Processor Tracing virtualization
   - STIBP support
   - some correctness fixes
   - refactorings and splitting of vmx.c
   - use the Hyper-V range TLB flush hypercall
   - reduce order of vcpu struct
   - WBNOINVD support
   - do not use -ftrace for __noclone functions
   - nested guest support for PAUSE filtering on AMD
   - more Hyper-V enlightenments (direct mode for synthetic timers)

  PPC:
   -  nested VFIO

  s390:
   - bugfixes only this time"

* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (171 commits)
  KVM: x86: Add CPUID support for new instruction WBNOINVD
  kvm: selftests: ucall: fix exit mmio address guessing
  Revert "compiler-gcc: disable -ftracer for __noclone functions"
  KVM: VMX: Move VM-Enter + VM-Exit handling to non-inline sub-routines
  KVM: VMX: Explicitly reference RCX as the vmx_vcpu pointer in asm blobs
  KVM: x86: Use jmp to invoke kvm_spurious_fault() from .fixup
  MAINTAINERS: Add arch/x86/kvm sub-directories to existing KVM/x86 entry
  KVM/x86: Use SVM assembly instruction mnemonics instead of .byte streams
  KVM/MMU: Flush tlb directly in the kvm_zap_gfn_range()
  KVM/MMU: Flush tlb directly in kvm_set_pte_rmapp()
  KVM/MMU: Move tlb flush in kvm_set_pte_rmapp() to kvm_mmu_notifier_change_pte()
  KVM: Make kvm_set_spte_hva() return int
  KVM: Replace old tlb flush function with new one to flush a specified range.
  KVM/MMU: Add tlb flush with range helper function
  KVM/VMX: Add hv tlb range flush support
  x86/hyper-v: Add HvFlushGuestAddressList hypercall support
  KVM: Add tlb_remote_flush_with_range callback in kvm_x86_ops
  KVM: x86: Disable Intel PT when VMXON in L1 guest
  KVM: x86: Set intercept for Intel PT MSRs read/write
  KVM: x86: Implement Intel PT MSRs read/write emulation
  ...
 2018-12-26 11:46:28 -08:00
Linus Torvalds 5694cecdb0 arm64 festive updates for 4.21 
In the end, we ended up with quite a lot more than I expected:
 
 - Support for ARMv8.3 Pointer Authentication in userspace (CRIU and
   kernel-side support to come later)
 
 - Support for per-thread stack canaries, pending an update to GCC that
   is currently undergoing review
 
 - Support for kexec_file_load(), which permits secure boot of a kexec
   payload but also happens to improve the performance of kexec
   dramatically because we can avoid the sucky purgatory code from
   userspace. Kdump will come later (requires updates to libfdt).
 
 - Optimisation of our dynamic CPU feature framework, so that all
   detected features are enabled via a single stop_machine() invocation
 
 - KPTI whitelisting of Cortex-A CPUs unaffected by Meltdown, so that
   they can benefit from global TLB entries when KASLR is not in use
 
 - 52-bit virtual addressing for userspace (kernel remains 48-bit)
 
 - Patch in LSE atomics for per-cpu atomic operations
 
 - Custom preempt.h implementation to avoid unconditional calls to
   preempt_schedule() from preempt_enable()
 
 - Support for the new 'SB' Speculation Barrier instruction
 
 - Vectorised implementation of XOR checksumming and CRC32 optimisations
 
 - Workaround for Cortex-A76 erratum #1165522
 
 - Improved compatibility with Clang/LLD
 
 - Support for TX2 system PMUS for profiling the L3 cache and DMC
 
 - Reflect read-only permissions in the linear map by default
 
 - Ensure MMIO reads are ordered with subsequent calls to Xdelay()
 
 - Initial support for memory hotplug
 
 - Tweak the threshold when we invalidate the TLB by-ASID, so that
   mremap() performance is improved for ranges spanning multiple PMDs.
 
 - Minor refactoring and cleanups
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 festive updates from Will Deacon:
 "In the end, we ended up with quite a lot more than I expected:

   - Support for ARMv8.3 Pointer Authentication in userspace (CRIU and
     kernel-side support to come later)

   - Support for per-thread stack canaries, pending an update to GCC
     that is currently undergoing review

   - Support for kexec_file_load(), which permits secure boot of a kexec
     payload but also happens to improve the performance of kexec
     dramatically because we can avoid the sucky purgatory code from
     userspace. Kdump will come later (requires updates to libfdt).

   - Optimisation of our dynamic CPU feature framework, so that all
     detected features are enabled via a single stop_machine()
     invocation

   - KPTI whitelisting of Cortex-A CPUs unaffected by Meltdown, so that
     they can benefit from global TLB entries when KASLR is not in use

   - 52-bit virtual addressing for userspace (kernel remains 48-bit)

   - Patch in LSE atomics for per-cpu atomic operations

   - Custom preempt.h implementation to avoid unconditional calls to
     preempt_schedule() from preempt_enable()

   - Support for the new 'SB' Speculation Barrier instruction

   - Vectorised implementation of XOR checksumming and CRC32
     optimisations

   - Workaround for Cortex-A76 erratum #1165522

   - Improved compatibility with Clang/LLD

   - Support for TX2 system PMUS for profiling the L3 cache and DMC

   - Reflect read-only permissions in the linear map by default

   - Ensure MMIO reads are ordered with subsequent calls to Xdelay()

   - Initial support for memory hotplug

   - Tweak the threshold when we invalidate the TLB by-ASID, so that
     mremap() performance is improved for ranges spanning multiple PMDs.

   - Minor refactoring and cleanups"

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (125 commits)
  arm64: kaslr: print PHYS_OFFSET in dump_kernel_offset()
  arm64: sysreg: Use _BITUL() when defining register bits
  arm64: cpufeature: Rework ptr auth hwcaps using multi_entry_cap_matches
  arm64: cpufeature: Reduce number of pointer auth CPU caps from 6 to 4
  arm64: docs: document pointer authentication
  arm64: ptr auth: Move per-thread keys from thread_info to thread_struct
  arm64: enable pointer authentication
  arm64: add prctl control for resetting ptrauth keys
  arm64: perf: strip PAC when unwinding userspace
  arm64: expose user PAC bit positions via ptrace
  arm64: add basic pointer authentication support
  arm64/cpufeature: detect pointer authentication
  arm64: Don't trap host pointer auth use to EL2
  arm64/kvm: hide ptrauth from guests
  arm64/kvm: consistently handle host HCR_EL2 flags
  arm64: add pointer authentication register bits
  arm64: add comments about EC exception levels
  arm64: perf: Treat EXCLUDE_EL* bit definitions as unsigned
  arm64: kpti: Whitelist Cortex-A CPUs that don't implement the CSV3 field
  arm64: enable per-task stack canaries
  ...
 2018-12-25 17:41:56 -08:00
Linus Torvalds 79f20778fb regulator: Updates for v4.20 
This has been a very busy release for the core, some fixes, one large new
 feature and a big bit of refactoring to update the GPIO API:
 
  - Support for coupled regulators from Dmitry Osipenko based on a prior
    attempt by Maciej Purski, allowing us to handle situations where the
    voltages on two regulators can't be too far apart from each other.
  - Conversion of the GPIO support in both drivers and the core to use
    GPIO descriptors rather than numbers, part of the overall project to
    remove GPIO numbers.
  - Support for standby mode suspend states from Andrei Stefanescu.
  - New drivers for Allwinner AXP209, Cirrus Logic Lochnagar and
    Microchip MPC16502.
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Merge tag 'regulator-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator

Pull regulator updates from Mark Brown:
 "This has been a very busy release for the core, some fixes, one large
  new feature and a big bit of refactoring to update the GPIO API:

   - Support for coupled regulators from Dmitry Osipenko based on a
     prior attempt by Maciej Purski, allowing us to handle situations
     where the voltages on two regulators can't be too far apart from
     each other.

   - Conversion of the GPIO support in both drivers and the core to use
     GPIO descriptors rather than numbers, part of the overall project
     to remove GPIO numbers.

   - Support for standby mode suspend states from Andrei Stefanescu.

   - New drivers for Allwinner AXP209, Cirrus Logic Lochnagar and
     Microchip MPC16502"

* tag 'regulator-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: (90 commits)
  regulator: tps65910: fix a missing check of return value
  regulator: mcp16502: Select REGMAP_I2C to fix build error
  regulator: convert to DEFINE_SHOW_ATTRIBUTE
  regulator: mcp16502: Fix missing n_voltages setting
  regulator: mcp16502: Use #ifdef CONFIG_PM_SLEEP around mcp16502_suspend/resume_noirq
  regulator: mcp16502: code cleanup
  regulator: act8945a-regulator: make symbol act8945a_pm static
  drivers/regulator: fix a missing check of return value
  regulator: act8945a-regulator: fix 'defined but not used' compiler warning
  regulator: axp20x: fix set_ramp_delay for AXP209/dcdc2
  regulator: mcp16502: add support for suspend
  mfd: axp20x: use explicit bit defines
  mfd: axp20x: Clean up included headers
  regulator: dts: enable soft-start and ramp delay for the OLinuXino Lime2
  dt-bindings: mfd: axp20x: Add software based soft_start for AXP209 LDO3
  regulator: axp20x: add software based soft_start for AXP209 LDO3
  dt-bindings: mfd: axp20x: add support for regulator-ramp-delay for AXP209
  regulator: axp20x: add support for set_ramp_delay for AXP209
  mfd: axp20x: name voltage ramping define properly
  regulator: mcp16502: add regulator driver for MCP16502
  ...
 2018-12-25 14:38:31 -08:00
Linus Torvalds 8e61e7b5c4 sound updates for 4.21 
There are no intensive changes in both ALSA and ASoC core parts while
 rather most of changes are a bunch of driver fixes and updates.
 A large diff pattern appears in ASoC TI part which now merges both
 OMAP and DaVinci stuff, but the rest spreads allover the places.
 
 Note that this pull request includes also some updates for LED trigger
 and platform drivers for mute LEDs, appearing in the diffstat as well.
 
 Some highlights:
 
 ASoC:
 - Preparatory work for merging the audio-graph and audio-graph-scu
   cards
 - A merge of TI OMAP and DaVinci directories, as both product lines
   get merged together.  Also including a few architecture changes as
   well.
 - Major cleanups of the Maxim MAX9867 driver
 - Small fixes for tablets & co with Intel BYT/CHT chips
 - Lots of rsnd updates as usual
 - Support for Asahi Kaesi AKM4118, AMD ACP3x, Intel platforms with
   RT5660, Meson AXG S/PDIF inputs, several Qualcomm IPs and Xilinx I2S
   controllers
 
 HD-audio:
 - Introduce audio-mute LED trigger for replacing the former hackish
   dynamic binding
 - Huawei WMI hotkey and mute LED support
 - Refactoring of PM code and display power controls
 - Headset button support in the generic jack code
 - A few updates for Tegra
 - Fixups for HP EliteBook and ASUS UX391UA
 - Lots of updates for Intel ASoC HD-audio, including the improved DSP
   detection and the fallback binding from ASoC SST to legacy HD-audio
   controller drivers
 
 Others:
 - Updates for FireWire TASCAM and Fireface devices, some other fixes
 - A few potential Spectre v1 fixes that are all trivial
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Merge tag 'sound-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound updates from Takashi Iwai:
 "There are no intensive changes in both ALSA and ASoC core parts while
  rather most of changes are a bunch of driver fixes and updates. A
  large diff pattern appears in ASoC TI part which now merges both OMAP
  and DaVinci stuff, but the rest spreads allover the places.

  Note that this pull request includes also some updates for LED trigger
  and platform drivers for mute LEDs, appearing in the diffstat as well.

  Some highlights:

  ASoC:
   - Preparatory work for merging the audio-graph and audio-graph-scu
     cards
   - A merge of TI OMAP and DaVinci directories, as both product lines
     get merged together. Also including a few architecture changes as
     well.
   - Major cleanups of the Maxim MAX9867 driver
   - Small fixes for tablets & co with Intel BYT/CHT chips
   - Lots of rsnd updates as usual
   - Support for Asahi Kaesi AKM4118, AMD ACP3x, Intel platforms with
     RT5660, Meson AXG S/PDIF inputs, several Qualcomm IPs and Xilinx
     I2S controllers

  HD-audio:
   - Introduce audio-mute LED trigger for replacing the former hackish
     dynamic binding
   - Huawei WMI hotkey and mute LED support
   - Refactoring of PM code and display power controls
   - Headset button support in the generic jack code
   - A few updates for Tegra
   - Fixups for HP EliteBook and ASUS UX391UA
   - Lots of updates for Intel ASoC HD-audio, including the improved DSP
     detection and the fallback binding from ASoC SST to legacy HD-audio
     controller drivers

  Others:
   - Updates for FireWire TASCAM and Fireface devices, some other fixes
   - A few potential Spectre v1 fixes that are all trivial"

* tag 'sound-4.21-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (280 commits)
  ALSA: HD-Audio: SKL+: force HDaudio legacy or SKL+ driver selection
  ALSA: HD-Audio: SKL+: abort probe if DSP is present and Skylake driver selected
  ALSA: HDA: export process_unsol_events()
  ALSA: hda/realtek: Enable audio jacks of ASUS UX391UA with ALC294
  ALSA: bebob: fix model-id of unit for Apogee Ensemble
  ALSA: emu10k1: Fix potential Spectre v1 vulnerabilities
  ALSA: rme9652: Fix potential Spectre v1 vulnerability
  ASoC: ti: Kconfig: Remove the deprecated options
  ARM: davinci_all_defconfig: Update the audio options
  ARM: omap1_defconfig: Do not select ASoC by default
  ARM: omap2plus_defconfig: Update the audio options
  ARM: davinci: dm365-evm: Update for the new ASoC Kcofnig options
  ARM: OMAP2: Update for new MCBSP Kconfig option
  ARM: OMAP1: Makefile: Update for new MCBSP Kconfig option
  MAINTAINERS: Add entry for sound/soc/ti and update the OMAP audio support
  ASoC: ti: Merge davinci and omap directories
  ALSA: hda: add mute LED support for HP EliteBook 840 G4
  ALSA: fireface: code refactoring to handle model-specific registers
  ALSA: fireface: add support for packet streaming on Fireface 800
  ALSA: fireface: allocate isochronous resources in mode-specific implementation
  ...
 2018-12-25 13:19:10 -08:00
Linus Torvalds eaa7649971 SPI NOR Changes 
Core changes:
   - Parse the 4BAIT SFDP section
   - Add a bunch of SPI NOR entries to the flash_info table
   - Add the concept of SFDP fixups and use it to fix a bug on MX25L25635F
   - A bunch of minor cleanups/comestic changes
 
 NAND changes:
   NAND core changes:
   - kernel-doc miscellaneous fixes.
   - Third batch of fixes/cleanup to the raw NAND core impacting various
     controller drivers (ams-delta, marvell, fsmc, denali, tegra, vf610):
     * Stopping to pass mtd_info objects to internal functions
     * Reorganizing code to avoid forward declarations
     * Dropping useless test in nand_legacy_set_defaults()
     * Moving nand_exec_op() to internal.h
     * Adding nand_[de]select_target() helpers
     * Passing the CS line to be selected in struct nand_operation
     * Making ->select_chip() optional when ->exec_op() is implemented
     * Deprecating the ->select_chip() hook
     * Moving the ->exec_op() method to nand_controller_ops
     * Moving ->setup_data_interface() to nand_controller_ops
     * Deprecating the dummy_controller field
     * Fixing JEDEC detection
     * Providing a helper for polling GPIO R/B pin
 
   Raw NAND chip drivers changes:
   - Macronix:
     * Flagging 1.8V AC chips with a broken GET_FEATURES(TIMINGS)
 
   Raw NAND controllers drivers changes:
   - Ams-delta:
     * Fixing the error path
     * SPDX tag added
     * May be compiled with COMPILE_TEST=y
     * Conversion to ->exec_op() interface
     * Dropping .IOADDR_R/W use
     * Use GPIO API for data I/O
   - Denali:
     * Removing denali_reset_banks()
     * Removing ->dev_ready() hook
     * Including <linux/bits.h> instead of <linux/bitops.h>
     * Changes to comply with the above fixes/cleanup done in the core.
   - FSMC:
     * Adding an SPDX tag to replace the license text
     * Making conversion from chip to fsmc consistent
     * Fixing unchecked return value in fsmc_read_page_hwecc
     * Changes to comply with the above fixes/cleanup done in the core.
   - Marvell:
     * Preventing timeouts on a loaded machine (fix)
     * Changes to comply with the above fixes/cleanup done in the core.
   - OMAP2:
     * Pass the parent of pdev to dma_request_chan() (fix)
   - R852:
     * Use generic DMA API
   - sh_flctl:
     * Converting to SPDX identifiers
   - Sunxi:
     * Write pageprog related opcodes to the right register: WCMD_SET (fix)
   - Tegra:
     * Stop implementing ->select_chip()
   - VF610:
     * Adding an SPDX tag to replace the license text
     * Changes to comply with the above fixes/cleanup done in the core.
   - Various trivial/spelling/coding style fixes.
 
   SPI-NAND drivers changes:
   - Removing the depreacated mt29f_spinand driver from staging.
   - Adding support for:
     * Toshiba TC58CVG2S0H
     * GigaDevice GD5FxGQ4xA
     * Winbond W25N01GV
 
 JFFS2 changes:
 - Fix a lockdep issue
 
 MTD changes:
 - Rework the physmap driver to merge gpio-addr-flash and physmap_of
   in it
 - Add a new compatible for RedBoot partitions
 - Make sub-partitions RW if the parent partition was RO because of a
   mis-alignment
 - Add pinctrl support to the
 - Addition of /* fall-through */ comments where appropriate
 - Various minor fixes and cleanups
 
 Other changes:
 - Update my email address
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Merge tag 'mtd/for-4.21' of git://git.infradead.org/linux-mtd

Pull mtd updates from Boris Brezillon:
 "SPI NOR Core changes:
   - Parse the 4BAIT SFDP section
   - Add a bunch of SPI NOR entries to the flash_info table
   - Add the concept of SFDP fixups and use it to fix a bug on MX25L25635F
   - A bunch of minor cleanups/comestic changes

  NAND core changes:
   - kernel-doc miscellaneous fixes.
   - Third batch of fixes/cleanup to the raw NAND core impacting various
     controller drivers (ams-delta, marvell, fsmc, denali, tegra,
     vf610):
      * Stop to pass mtd_info objects to internal functions
      * Reorganize code to avoid forward declarations
      * Drop useless test in nand_legacy_set_defaults()
      * Move nand_exec_op() to internal.h
      * Add nand_[de]select_target() helpers
      * Pass the CS line to be selected in struct nand_operation
      * Make ->select_chip() optional when ->exec_op() is implemented
      * Deprecate the ->select_chip() hook
      * Move the ->exec_op() method to nand_controller_ops
      * Move ->setup_data_interface() to nand_controller_ops
      * Deprecate the dummy_controller field
      * Fix JEDEC detection
      * Provide a helper for polling GPIO R/B pin

  Raw NAND chip drivers changes:
   - Macronix:
      * Flag 1.8V AC chips with a broken GET_FEATURES(TIMINGS)

  Raw NAND controllers drivers changes:
   - Ams-delta:
      * Fix the error path
      * SPDX tag added
      * May be compiled with COMPILE_TEST=y
      * Conversion to ->exec_op() interface
      * Drop .IOADDR_R/W use
      * Use GPIO API for data I/O
   - Denali:
      * Remove denali_reset_banks()
      * Remove ->dev_ready() hook
      * Include <linux/bits.h> instead of <linux/bitops.h>
      * Changes to comply with the above fixes/cleanup done in the core.
   - FSMC:
      * Add an SPDX tag to replace the license text
      * Make conversion from chip to fsmc consistent
      * Fix unchecked return value in fsmc_read_page_hwecc
      * Changes to comply with the above fixes/cleanup done in the core.
   - Marvell:
      * Prevent timeouts on a loaded machine (fix)
      * Changes to comply with the above fixes/cleanup done in the core.
   - OMAP2:
      * Pass the parent of pdev to dma_request_chan() (fix)
   - R852:
      * Use generic DMA API
   - sh_flctl:
      * Convert to SPDX identifiers
   - Sunxi:
      * Write pageprog related opcodes to the right register: WCMD_SET (fix)
   - Tegra:
      * Stop implementing ->select_chip()
   - VF610:
      * Add an SPDX tag to replace the license text
      * Changes to comply with the above fixes/cleanup done in the core.
   - Various trivial/spelling/coding style fixes.

  SPI-NAND drivers changes:
   - Remove the depreacated mt29f_spinand driver from staging.
   - Add support for:
      * Toshiba TC58CVG2S0H
      * GigaDevice GD5FxGQ4xA
      * Winbond W25N01GV

  JFFS2 changes:
   - Fix a lockdep issue

  MTD changes:
   - Rework the physmap driver to merge gpio-addr-flash and physmap_of
     in it
   - Add a new compatible for RedBoot partitions
   - Make sub-partitions RW if the parent partition was RO because of a
     mis-alignment
   - Add pinctrl support to the
   - Addition of /* fall-through */ comments where appropriate
   - Various minor fixes and cleanups

  Other changes:
   - Update my email address"

* tag 'mtd/for-4.21' of git://git.infradead.org/linux-mtd: (108 commits)
  mtd: rawnand: sunxi: Write pageprog related opcodes to WCMD_SET
  MAINTAINERS: Update my email address
  mtd: rawnand: marvell: prevent timeouts on a loaded machine
  mtd: rawnand: omap2: Pass the parent of pdev to dma_request_chan()
  mtd: rawnand: Fix JEDEC detection
  mtd: spi-nor: Add support for is25lp016d
  mtd: spi-nor: parse SFDP 4-byte Address Instruction Table
  mtd: spi-nor: Add 4B_OPCODES flag to is25lp256
  mtd: spi-nor: Add an SPDX tag to spi-nor.{c,h}
  mtd: spi-nor: Make the enable argument passed to set_byte() a bool
  mtd: spi-nor: Stop passing flash_info around
  mtd: spi-nor: Avoid forward declaration of internal functions
  mtd: spi-nor: Drop inline on all internal helpers
  mtd: spi-nor: Add a post BFPT fixup for MX25L25635E
  mtd: spi-nor: Add a post BFPT parsing fixup hook
  mtd: spi-nor: Add the SNOR_F_4B_OPCODES flag
  mtd: spi-nor: cast to u64 to avoid uint overflows
  mtd: spi-nor: Add support for IS25LP032/064
  mtd: spi-nor: add entry for mt35xu512aba flash
  mtd: spi-nor: add macros related to MICRON flash
  ...
 2018-12-25 12:49:46 -08:00
Masahiro Yamada 2c667d77fc treewide: add intermediate .s files to targets 
Avoid unneeded recreation of these in the incremental build.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
 2018-12-23 10:12:08 +09:00
Masahiro Yamada 4d4b5c2e3b treewide: remove explicit rules for *offsets.s 
These explicit rules are unneeded because scripts/Makefile.build
provides a pattern rule to create %.s from %.c

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
 2018-12-23 10:12:03 +09:00
Masahiro Yamada 8636a1f967 treewide: surround Kconfig file paths with double quotes 
The Kconfig lexer supports special characters such as '.' and '/' in
the parameter context. In my understanding, the reason is just to
support bare file paths in the source statement.

I do not see a good reason to complicate Kconfig for the room of
ambiguity.

The majority of code already surrounds file paths with double quotes,
and it makes sense since file paths are constant string literals.

Make it treewide consistent now.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Wolfram Sang <wsa@the-dreams.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Ingo Molnar <mingo@kernel.org>
 2018-12-22 00:25:54 +09:00
Mark Brown b27d9668be
Merge branch 'regulator-4.21' into regulator-next 2018-12-21 13:43:32 +00:00
Lan Tianyu 748c0e312f KVM: Make kvm_set_spte_hva() return int 
The patch is to make kvm_set_spte_hva() return int and caller can
check return value to determine flush tlb or not.

Signed-off-by: Lan Tianyu <Tianyu.Lan@microsoft.com>
Acked-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
 2018-12-21 11:28:41 +01:00
David Howells e262e32d6b vfs: Suppress MS_* flag defs within the kernel unless explicitly enabled 
Only the mount namespace code that implements mount(2) should be using the
MS_* flags.  Suppress them inside the kernel unless uapi/linux/mount.h is
included.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Reviewed-by: David Howells <dhowells@redhat.com>
 2018-12-20 16:32:56 +00:00
Arnd Bergmann 3f47de2c6b Samsung DTS ARM changes for v4.21, part 2 
1. Add missing CPUs in cooling maps for Odroid X2 (missed in previous
    round of fixups).
 2. Fix clock configuration in audio subsystem on Odroid XU3/XU4.
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Merge tag 'samsung-dt-4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt

Samsung DTS ARM changes for v4.21, part 2

1. Add missing CPUs in cooling maps for Odroid X2 (missed in previous
   round of fixups).
2. Fix clock configuration in audio subsystem on Odroid XU3/XU4.

* tag 'samsung-dt-4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: dts: exynos: Specify I2S assigned clocks in proper node
  ARM: dts: exynos: Add missing CPUs in cooling maps for Odroid X2

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2018-12-20 16:59:51 +01:00
Arnd Bergmann 984199efb0 Allwinner DT changes for 4.21 - round 2 
This is a small pull request for some lingering things that didn't make
 the first round of patches.
 
 First, the new suniv device tree included device tree headers for the
 clock and reset indices. These header filers are going in through the
 clock tree. Thus with the dt and core branches in arm-soc alone, it
 doesn't build. One fix is included to remove the #include statements.
 The defined macros aren't used yet as they were properly removed during
 the review phase.
 
 Second, Bluetooth using Broadcom (now Cypress) chips connected to UARTs
 on various boards is enabled using serdev and the updated bindings for
 Broadcom Bluetooth. The patch series had been sitting on the mailing
 lists for a month, and the driver bits were just merged on 2018/12/19.
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Merge tag 'sunxi-dt-for-4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/dt

Allwinner DT changes for 4.21 - round 2

This is a small pull request for some lingering things that didn't make
the first round of patches.

First, the new suniv device tree included device tree headers for the
clock and reset indices. These header filers are going in through the
clock tree. Thus with the dt and core branches in arm-soc alone, it
doesn't build. One fix is included to remove the #include statements.
The defined macros aren't used yet as they were properly removed during
the review phase.

Second, Bluetooth using Broadcom (now Cypress) chips connected to UARTs
on various boards is enabled using serdev and the updated bindings for
Broadcom Bluetooth. The patch series had been sitting on the mailing
lists for a month, and the driver bits were just merged on 2018/12/19.

* tag 'sunxi-dt-for-4.21-2' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  ARM: dts: sunxi: Enable Broadcom-based Bluetooth for multiple boards
  ARM: dts: suniv: Fix improper bindings include patch

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2018-12-20 16:57:42 +01:00
Arnd Bergmann f1a6caf73c Freescale QSPI device tree cleanup for 4.21: 
- It contains a series from Schrempf Frieder that cleans up FSL QSPI
    device tree nodes.  The current device trees are broken because they
    use an inconsistent scheme for assigning the reg properties.  It
    becomes a problem with ongoing QSPI driver under SPI framework.  So
    the cleanup is a preparation for new driver landing in the next
    cycle.
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Merge tag 'imx-qspi-dt-clean' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

Freescale QSPI device tree cleanup for 4.21:
 - It contains a series from Schrempf Frieder that cleans up FSL QSPI
   device tree nodes.  The current device trees are broken because they
   use an inconsistent scheme for assigning the reg properties.  It
   becomes a problem with ongoing QSPI driver under SPI framework.  So
   the cleanup is a preparation for new driver landing in the next
   cycle.

* tag 'imx-qspi-dt-clean' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: Add spi-[tx/rx]-bus-width for the FSL QSPI controller
  arm64: dts: Remove unused properties from FSL QSPI driver nodes
  ARM: dts: Add spi-[tx/rx]-bus-width for the FSL QSPI controller
  ARM: dts: imx6sx-sdb: Fix the reg properties for the FSL QSPI nodes
  ARM: dts: Remove unused properties from FSL QSPI driver nodes

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2018-12-20 16:53:54 +01:00
Maxime Ripard ea09631536 ARM: dts: suniv: Fix improper bindings include patch 
The clock and reset bindings are going through different trees, and while
the patch doesn't contain any value defined in that header, it still
includes those files and result in a build breakage when building the DT
without the matching clock and reset patches applied.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2018-12-20 16:39:38 +01:00
Arnd Bergmann 826833df4e Add interconnect target module dts data for omaps for v4.21 
This big set of changes adds SoC specific l4 interconnect target module
 device tree data for am335x, am437x, omap5 and dra7 SoCs. We also move
 existing devices to the right location in the l4 interconnect hierarcy.
 This is similar to what we've already done for omap4 l4 interconnects
 earlier, and follows what is documented in the ti-sysc driver dts binding
 in Documentation/devicetree/bindings/bus/ti-sysc.txt.
 
 These changes will essentially replace the struct ti_sysc and clock
 entries in the arch/arm/mach-omap2/omap_hwmod_*_data.c files. Then a few
 merge windows later, we can start dropping the built-in platform data
 from the omap_hwmod_*_data.c files in favor of the device tree data only.
 For now, we verify the device tree data module data against the built-in
 data and warn about changes to prevent regressions.
 
 With the device tree data, we are also probing devices with the ti-sysc
 interconnect target module instead of omap_device. This fixes up the
 handling for multiple device instances in a single interconnect target
 module that has caused trouble earlier. A custom wrapper driver has been
 needed earlier for such cases.
 
 And as the device tree data is organized by the l4 interconnect instances,
 we will be able to use genpd later on. This is because each interconnect
 instance is also often also a single power domain.
 
 This series of changes has been brewing for several months now. I did not
 want to send a pull request earlier as people were still seeing device
 specific issues until recently though. However, it turned out that all the
 issues were quite trivial to fix. I had missed adding device tree ranges
 for the l3 data port used on some devices, and I had missed converting the
 device addresses for a few devices. And some devices like needed fixes for
 deferred probe handling such as the EHCI PHY for built-in case on omap5.
 
 Anyways, in case of trouble, we can easily just revert changes for a
 single device if needed.
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Merge tag 'omap-for-v4.21/dt-ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/dt

Add interconnect target module dts data for omaps for v4.21

This big set of changes adds SoC specific l4 interconnect target module
device tree data for am335x, am437x, omap5 and dra7 SoCs. We also move
existing devices to the right location in the l4 interconnect hierarcy.
This is similar to what we've already done for omap4 l4 interconnects
earlier, and follows what is documented in the ti-sysc driver dts binding
in Documentation/devicetree/bindings/bus/ti-sysc.txt.

These changes will essentially replace the struct ti_sysc and clock
entries in the arch/arm/mach-omap2/omap_hwmod_*_data.c files. Then a few
merge windows later, we can start dropping the built-in platform data
from the omap_hwmod_*_data.c files in favor of the device tree data only.
For now, we verify the device tree data module data against the built-in
data and warn about changes to prevent regressions.

With the device tree data, we are also probing devices with the ti-sysc
interconnect target module instead of omap_device. This fixes up the
handling for multiple device instances in a single interconnect target
module that has caused trouble earlier. A custom wrapper driver has been
needed earlier for such cases.

And as the device tree data is organized by the l4 interconnect instances,
we will be able to use genpd later on. This is because each interconnect
instance is also often also a single power domain.

This series of changes has been brewing for several months now. I did not
want to send a pull request earlier as people were still seeing device
specific issues until recently though. However, it turned out that all the
issues were quite trivial to fix. I had missed adding device tree ranges
for the l3 data port used on some devices, and I had missed converting the
device addresses for a few devices. And some devices like needed fixes for
deferred probe handling such as the EHCI PHY for built-in case on omap5.

Anyways, in case of trouble, we can easily just revert changes for a
single device if needed.

* tag 'omap-for-v4.21/dt-ti-sysc-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Cosmetic fix for omap5 USB node names
  ARM: dts: Fix wrong address for omap5 sata phy
  ARM: dts: Add missing ranges for dra7 mcasp l3 ports
  ARM: dts: Fix ranges for am335x epwmss
  ARM: dts: Fix hsi gdd range for omap4
  ARM: dts: Add am335x mcasp with l3 data port ranges
  ARM: dts: Add missing ranges for am437x mcasp l3 ports
  ARM: dts: dra7: Move the ti,no-idle quirk on proper gmac node
  ARM: dts: Revert am335x mcasp ti-sysc changes
  ARM: dts: omap5: Add l4 interconnect hierarchy and ti-sysc data
  ARM: dts: Use dra7 mcasp compatible for mcasp instances
  ARM: dts: dra7: Move l4 child devices to probe them with ti-sysc
  ARM: dts: dra7: Add l4 interconnect hierarchy and ti-sysc data
  ARM: dts: am335x: Move l4 child devices to probe them with ti-sysc
  ARM: dts: am335x: Add l4 interconnect hierarchy and ti-sysc data
  ARM: dts: am437x: Move l4 child devices to probe them with ti-sysc
  ARM: dts: am437x: Add l4 interconnect hierarchy and ti-sysc data
  ARM: dts: dra7: convert to use new clkctrl layout
  ARM: dts: am43xx: convert to use new clkctrl layout
  ARM: dts: am33xx: convert to use new clkctrl layout

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2018-12-20 16:34:37 +01:00
Arnd Bergmann bc8bd33891 arm: dts: zynq: DT changes for v5.0 
- Fix mmc node name
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Merge tag 'zynq-dt-for-v5.0' of https://github.com/Xilinx/linux-xlnx into next/dt

arm: dts: zynq: DT changes for v5.0

- Fix mmc node name

* tag 'zynq-dt-for-v5.0' of https://github.com/Xilinx/linux-xlnx:
  ARM: dts: Use mmc@ instead sdhci@

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
 2018-12-20 16:32:27 +01:00
Patrice Chotard 704cfd7f5f ARM: sti: remove pen_release and boot_lock 
The pen_release implementation was created for Versatile platforms to
work around boot loaders that did not differentiate between the
various different secondary CPUs on this ARM development platform.
This should not be true of modern platforms where we send IPIs to
specific CPUs to wake them up.  Remove the pen_release stuff from
SoCs that make use of the per-CPU IPI mechanism.

The boot_lock is something that was required for ARM development
platforms to ensure that the delay calibration worked properly.  This
is not necessary for modern platforms that have better bus bandwidth
and do not need to calibrate the delay loop for secondary cores.
Remove the boot_lock entirely.

Due to pen_release and boot_lock removal, .smp_prepare_cpus and
.smp_boot_secondary STi callbacks must be reworked properly to
allow secondary CPU bring up.

Secondary CPU is initialized and started by a U-BOOTROM firmware.
Secondary CPU is spinning and waiting for a write at cpu_strt_ptr.
Writing secondary_startup address at cpu_strt_ptr makes it to
jump directly to secondary_startup().

This write must be done in .smp_boot_secondary callback and not
in .smp_prepare_cpus as previously, this insures that secondary_data
struct is populated in __cpu_up() (stack, pgdir and swapper_pg_dir fields).

The IPI in sti_boot_secondary() is useless, so remove it.

This patch is the merged of Russell's patch [1] and the rework of
.smp_prepare_cpus and .smp_boot_secondary STi callbacks [2].

[1] https://patchwork.kernel.org/patch/10729435/
[2] https://patchwork.kernel.org/patch/10735795/

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
 2018-12-20 14:32:15 +01:00
Paolo Bonzini 8c5e14f438 KVM/arm updates for 4.21 
- Large PUD support for HugeTLB
 - Single-stepping fixes
 - Improved tracing
 - Various timer and vgic fixups
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Merge tag 'kvmarm-for-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm into HEAD

KVM/arm updates for 4.21

- Large PUD support for HugeTLB
- Single-stepping fixes
- Improved tracing
- Various timer and vgic fixups
 2018-12-19 20:33:55 +01:00
Marc Zyngier 8c33df1afd arm: KVM: Add S2_PMD_{MASK,SIZE} constants 
They were missing, and it turns out that we do need them now.

Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-19 17:48:21 +00:00
Marc Zyngier 58466766cd arm/arm64: KVM: Add ARM_EXCEPTION_IS_TRAP macro 
32 and 64bit use different symbols to identify the traps.
32bit has a fine grained approach (prefetch abort, data abort and HVC),
while 64bit is pretty happy with just "trap".

This has been fine so far, except that we now need to decode some
of that in tracepoints that are common to both architectures.

Introduce ARM_EXCEPTION_IS_TRAP which abstracts the trap symbols
and make the tracepoint use it.

Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-19 17:47:53 +00:00
Chen-Yu Tsai afdd273e26 ARM: dts: sunxi: Enable Broadcom-based Bluetooth for multiple boards 
This patch adds the Bluetooth node, and the underlying UART node if it's
missing, to the board device tree file for several boards. The LPO clock
is also added to the WiFi side's power sequencing node if it's missing,
to correctly represent the shared connections. There is also a PCM
connection for Bluetooth, but this is not covered in this patch.

These boards all have a WiFi+BT module from AMPAK, which contains one or
two Broadcom chips, depending on the model. The older AP6210 contains
two, while the newer AP6212 and AP6330 contain just one, as they use
two-in-one combo chips.

The Bluetooth side of the module is always connected to a UART on the
same pingroup as the SDIO pins for the WiFi side, in a 4 wire
configuration. Power to the VBAT and VDDIO pins are provided either by
the PMIC, using one or several of its regulator outputs, or other fixed
regulators on the board. The VBAT and VDDIO pins are shared with the
WiFi side, which would correspond to vmmc-supply and vqmmc-supply in the
mmc host node. A clock output from the SoC or the external X-Powers RTC
provides the LPO low power clock at 32.768 kHz.

All the boards covered in this patch are ones that do not require extra
changes to the SoC's dtsi file. For the remaining boards that I have
worked on, properties or device nodes for the LPO clock's source are
missing.

For the Cubietruck, the LPO clock is fed from CLK_OUT_A, which needs to
be muxed on pin PI12. This can be represented in multiple ways. This
patch puts the pinctrl property in the pin controller node. This is due
to limitations in Linux, where pinmux settings, even the same one, can
not be shared by multiple devices. Thus we cannot put it in both the
WiFi and Bluetooth device nodes. Putting it the CCU node is another
option, but Linux's CCU driver does not handle pinctrl. Also the pin
controller is guaranteed to be initialized after the CCU, when clocks
are available. And any other devices that use muxed pins are guaranteed
to be initialized after the pin controller. Thus having the CLK_OUT_A
pinmux reference be in the pin controller node is a good choice without
having to deal with implementation issues.

Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
 2018-12-19 17:26:14 +08:00
Maxime Ripard b7b69fb840 ARM: dts: suniv: Fix improper bindings include patch 
The clock and reset bindings are going through different trees, and while
the patch doesn't contain any value defined in that header, it still
includes those files and result in a build breakage when building the DT
without the matching clock and reset patches applied.

Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
 2018-12-19 17:17:26 +08:00
Boris Brezillon f366d3854e Core changes: 
- Parse the 4BAIT SFDP section
 - Add a bunch of SPI NOR entries to the flash_info table
 - Add the concept of SFDP fixups and use it to fix a bug on MX25L25635F
 - A bunch of minor cleanups/comestic changes
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Merge tag 'spi-nor/for-4.21' of git://git.infradead.org/linux-mtd into mtd/next

Core changes:
- Parse the 4BAIT SFDP section
- Add a bunch of SPI NOR entries to the flash_info table
- Add the concept of SFDP fixups and use it to fix a bug on MX25L25635F
- A bunch of minor cleanups/comestic changes
 2018-12-18 20:00:52 +01:00
Punit Agrawal b8e0ba7c8b KVM: arm64: Add support for creating PUD hugepages at stage 2 
KVM only supports PMD hugepages at stage 2. Now that the various page
handling routines are updated, extend the stage 2 fault handling to
map in PUD hugepages.

Addition of PUD hugepage support enables additional page sizes (e.g.,
1G with 4K granule) which can be useful on cores that support mapping
larger block sizes in the TLB entries.

Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
[ Replace BUG() => WARN_ON(1) for arm32 PUD helpers ]
Signed-off-by: Suzuki Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-18 15:14:49 +00:00
Punit Agrawal 35a6396619 KVM: arm64: Update age handlers to support PUD hugepages 
In preparation for creating larger hugepages at Stage 2, add support
to the age handling notifiers for PUD hugepages when encountered.

Provide trivial helpers for arm32 to allow sharing code.

Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
[ Replaced BUG() => WARN_ON(1) for arm32 PUD helpers ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-18 15:14:48 +00:00
Punit Agrawal eb3f0624ea KVM: arm64: Support handling access faults for PUD hugepages 
In preparation for creating larger hugepages at Stage 2, extend the
access fault handling at Stage 2 to support PUD hugepages when
encountered.

Provide trivial helpers for arm32 to allow sharing of code.

Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
[ Replaced BUG() => WARN_ON(1) in PUD helpers ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-18 15:14:48 +00:00
Punit Agrawal 86d1c55ea6 KVM: arm64: Support PUD hugepage in stage2_is_exec() 
In preparation for creating PUD hugepages at stage 2, add support for
detecting execute permissions on PUD page table entries. Faults due to
lack of execute permissions on page table entries is used to perform
i-cache invalidation on first execute.

Provide trivial implementations of arm32 helpers to allow sharing of
code.

Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
[ Replaced BUG() => WARN_ON(1) in arm32 PUD helpers ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-18 15:14:48 +00:00
Punit Agrawal 4ea5af5311 KVM: arm64: Support dirty page tracking for PUD hugepages 
In preparation for creating PUD hugepages at stage 2, add support for
write protecting PUD hugepages when they are encountered. Write
protecting guest tables is used to track dirty pages when migrating
VMs.

Also, provide trivial implementations of required kvm_s2pud_* helpers
to allow sharing of code with arm32.

Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
[ Replaced BUG() => WARN_ON() in arm32 pud helpers ]
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-18 15:14:47 +00:00
Punit Agrawal f8df73388e KVM: arm/arm64: Introduce helpers to manipulate page table entries 
Introduce helpers to abstract architectural handling of the conversion
of pfn to page table entries and marking a PMD page table entry as a
block entry.

The helpers are introduced in preparation for supporting PUD hugepages
at stage 2 - which are supported on arm64 but do not exist on arm.

Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
Reviewed-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-18 15:14:47 +00:00
Mark Rutland d1878af3a5 KVM: arm/arm64: Log PSTATE for unhandled sysregs 
When KVM traps an unhandled sysreg/coproc access from a guest, it logs
the guest PC. To aid debugging, it would be helpful to know which
exception level the trap came from, along with other PSTATE/CPSR bits,
so let's log the PSTATE/CPSR too.

Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-18 15:14:45 +00:00
Mark Rutland bd7d95cafb arm64: KVM: Consistently advance singlestep when emulating instructions 
When we emulate a guest instruction, we don't advance the hardware
singlestep state machine, and thus the guest will receive a software
step exception after a next instruction which is not emulated by the
host.

We bodge around this in an ad-hoc fashion. Sometimes we explicitly check
whether userspace requested a single step, and fake a debug exception
from within the kernel. Other times, we advance the HW singlestep state
rely on the HW to generate the exception for us. Thus, the observed step
behaviour differs for host and guest.

Let's make this simpler and consistent by always advancing the HW
singlestep state machine when we skip an instruction. Thus we can rely
on the hardware to generate the singlestep exception for us, and never
need to explicitly check for an active-pending step, nor do we need to
fake a debug exception from the guest.

Cc: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Christoffer Dall <christoffer.dall@arm.com>
Signed-off-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
 2018-12-18 14:11:37 +00:00
Honghui Zhang ebcd631df1 arm: dts: mt7623: Remove un-used property for PCIe 
The "num-lanes" property for PCIe is not used, remove it.

Signed-off-by: Honghui Zhang <honghui.zhang@mediatek.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
 2018-12-18 13:48:24 +00:00
Mark Brown a7a850dba8
Merge branch 'asoc-4.21' into asoc-next 2018-12-18 12:23:59 +00:00
Peter Ujfalusi 41e95652ee
ARM: davinci_all_defconfig: Update the audio options 
Use the new options for default audio support.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 2018-12-18 12:23:13 +00:00
Peter Ujfalusi eab5b50a13
ARM: omap1_defconfig: Do not select ASoC by default 
No audio support is enabled by default via ASoC, disable the code as well.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 2018-12-18 12:23:09 +00:00
Peter Ujfalusi 3162b05fb7
ARM: omap2plus_defconfig: Update the audio options 
Use the new options for default audio support and enable Nokia n900 audio
as well.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 2018-12-18 12:23:06 +00:00
Peter Ujfalusi 4d8c1e7efb
ARM: davinci: dm365-evm: Update for the new ASoC Kcofnig options 
The codec selection config options for DMA365 has been changed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 2018-12-18 12:23:01 +00:00
Peter Ujfalusi 558eb0bfb2
ARM: OMAP2: Update for new MCBSP Kconfig option 
The MCBSP config option has been changed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 2018-12-18 12:22:57 +00:00
Peter Ujfalusi c27ace2e95
ARM: OMAP1: Makefile: Update for new MCBSP Kconfig option 
The MCBSP config option has been changed.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
 2018-12-18 12:22:53 +00:00
Linus Walleij d6543c0f39 ARM: omap1: Fix new user of gpiochip_request_own_desc() 
This fixes up a new user of gpiochip_request_own_desc() in
the AMS Delta board that appeared after the patch that was
applied recently.

Fixes: 21abf10381 ("gpio: Pass a flag to gpiochip_request_own_desc()")
Reviewed-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2018-12-17 23:05:41 +01:00
Linus Walleij f54005b508 mmc: pxa: Use GPIO descriptor for power 
After converting the PXA driver to use GPIO descriptors for
card detect and write protect it is relatively simple to
convert it to also use a descriptor for getting the optional
power control GPIO.

The polarity inversion flag can also go away from the platform
data since this is indicated in the GPIO machine descriptor
table.

Cc: Daniel Mack <daniel@zonque.org>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2018-12-17 08:26:24 +01:00
Linus Walleij e114cd33e6 ARM: pxa: Delete platform data for CD/WP 
This deletes the platform data passed for card detect and
write protect from various PXA machines.

Make sure to keep .gpio_card_ro_invert as this is still in
use by some machines and needed to set the right flag to
the MMC core (will be cleaned up later).

Cc: Daniel Mack <daniel@zonque.org>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2018-12-17 08:26:24 +01:00
Linus Walleij 58e2d877e3 ARM: pxa: Add GPIO descriptors for Palm27x 
The Palm27x devices set up the MMC card detect and
write protect lines with a special helper function.
Augment this helper function to also accept an optional
GPIO descriptor table and pass and register this for
all the Palm27x devices in that family.

Cc: Daniel Mack <daniel@zonque.org>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Andrea Adami <andrea.adami@gmail.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2018-12-17 08:26:24 +01:00
Linus Walleij 32d1544880 ARM: pxa: Add gpio descriptor lookup tables for MMC CD/WP 
This adds GPIO descriptor look-up tables for a whole bunch
of PXA boards with MMC card detect (CD) and write protect (WP)
GPIO lines, so we can move away from the hard-coded GPIO
numberspace.

In some cases the platforms were compulsively including the
<linux/gpio.h> header even if they weren't actually using
it, and in these cases I simply replaced that inclusion with
the more appropriate <linux/gpio/machine.h> which is what
board files should be including most of the time.

Cc: Daniel Mack <daniel@zonque.org>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Andrea Adami <andrea.adami@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2018-12-17 08:26:24 +01:00
Linus Walleij d2951dfa07 mmc: s3cmci: Use the slot GPIO descriptor 
Simplify things by making the S3CMCI driver just use
slot GPIO with descriptors instead of passing around the
global GPIO numbers that we want to get rid of.

Getting the names of the GPIO chips into the machine
descriptor tables was a bit of a challenge but I think
I have them right.

The platform data supports passing in inversion flags, but
no platform is using them, and it is highly unlikely
that we will add more, so drop them. The long term plan
is to let the inversion flags on the GPIO machine
descriptor do the job.

The lines are flagged as GPIO_ACTIVE_[LOW|HIGH] as that is
what they are, and since we can now rely on the descriptors
to have the right polarity, we set the
"override_active_level" to false in mmc_gpiod_request_cd()
and mmc_gpiod_request_ro().

Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Sergio Prado <sergio.prado@e-labworks.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2018-12-17 08:26:24 +01:00
Linus Walleij 5716fb9bd9 mmc: spi: Convert to use GPIO descriptors 
Switch the SPI MMC driver to use GPIO descriptors internally
and just look those up using the standard slot GPIO
functions mmc_gpiod_request_cd() and mmc_gpiod_request_ro().
Make sure to request index 0 and 1 in accordance with the
SPI MMC DT binding, and add the same GPIOs in machine
descriptor tables on all boards that use SPI MMC in
board files.

The lines are flagged as GPIO_ACTIVE_[LOW|HIGH] as that is
what they are, and since we can now rely on the descriptors
to have the right polarity, we set the
"override_active_level" to false in mmc_gpiod_request_cd()
and mmc_gpiod_request_ro().

Cc: Hartley Sweeten <hsweeten@visionengravers.com> # Vision EP9307
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2018-12-17 08:26:24 +01:00
Linus Walleij 74ff81e16c mmc: sdhci: imx: Use the slot GPIO descriptor 
Simplify things by making the i.MX SDHCI driver just use
slot GPIO with descriptors instead of passing around the global
GPIO numbers that we want to get rid of.

As it turns out, just one single board is using the platform
data to pass in GPIOs numbers for CD and WP, so we augment this
to use a machine descriptor table instead.

Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: NXP Linux Team <linux-imx@nxp.com>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
 2018-12-17 08:26:24 +01:00
Frieder Schrempf 4f15a4e0d2 ARM: dts: Add spi-[tx/rx]-bus-width for the FSL QSPI controller 
We will move the FSL QSPI driver to the SPI framework soon. To
prepare and to make sure the full buswidth is used (as it is with
the current driver), let's add the right properties.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-16 16:23:37 +08:00
Frieder Schrempf 00b79b07cb ARM: dts: imx6sx-sdb: Fix the reg properties for the FSL QSPI nodes 
The current driver does not use the reg properties, but we will
add a new driver soon. To make sure we have a consistent scheme,
let's fix the reg properties here.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-16 16:23:37 +08:00
Frieder Schrempf 63f2d2a340 ARM: dts: Remove unused properties from FSL QSPI driver nodes 
The properties 'bus-num', 'fsl,spi-num-chipselects' and
'fsl,spi-flash-chipselects' were never read by the driver
and can be removed.

Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-16 16:23:37 +08:00
Vincent Whitchurch 93d77e7f14 ARM: module: Fix function kallsyms on Thumb-2 
Thumb-2 functions have the lowest bit set in the symbol value in the
symtab.  When kallsyms are generated for the vmlinux, the kallsyms are
generated from the output of nm, and nm clears the lowest bit.

 $ arm-linux-gnueabihf-readelf -a vmlinux | grep show_interrupts
  95947: 8015dc89   686 FUNC    GLOBAL DEFAULT    2 show_interrupts
 $ arm-linux-gnueabihf-nm vmlinux | grep show_interrupts
 8015dc88 T show_interrupts
 $ cat /proc/kallsyms | grep show_interrupts
 8015dc88 T show_interrupts

However, for modules, the kallsyms uses the values in the symbol table
without modification, so for functions in modules, the lowest bit is set
in kallsyms.

 $ arm-linux-gnueabihf-readelf -a drivers/net/tun.ko | grep tun_get_socket
    333: 00002d4d    36 FUNC    GLOBAL DEFAULT    1 tun_get_socket
 $ arm-linux-gnueabihf-nm drivers/net/tun.ko | grep tun_get_socket
 00002d4c T tun_get_socket
 $ cat /proc/kallsyms | grep tun_get_socket
 7f802d4d t tun_get_socket      [tun]

Because of this, the symbol+offset of the crashing instruction shown in
oopses is incorrect when the crash is in a module.  For example, given a
tun_get_socket which starts like this,

 00002d4c <tun_get_socket>:
     2d4c:       6943            ldr     r3, [r0, #20]
     2d4e:       4a07            ldr     r2, [pc, #28]
     2d50:       4293            cmp     r3, r2

a crash when tun_get_socket is called with NULL results in:

 PC is at tun_xdp+0xa3/0xa4 [tun]
 pc : [<7f802d4c>]

As can be seen, the "PC is at" line reports the wrong symbol name, and
the symbol+offset will point to the wrong source line if it is passed to
gdb.

To solve this, add a way for archs to fixup the reading of these module
kallsyms values, and use that to clear the lowest bit for function
symbols on Thumb-2.

After the fix:

 # cat /proc/kallsyms | grep tun_get_socket
 7f802d4c t tun_get_socket       [tun]

 PC is at tun_get_socket+0x0/0x24 [tun]
 pc : [<7f802d4c>]

Signed-off-by: Vincent Whitchurch <vincent.whitchurch@axis.com>
Signed-off-by: Jessica Yu <jeyu@kernel.org>
 2018-12-14 20:27:29 +01:00
Russell King 07a496de4c ARM: omap2: remove unnecessary boot_lock 
The boot_lock is something that was required for ARM development
platforms to ensure that the delay calibration worked properly.  This
is not necessary for modern platforms that have better bus bandwidth
and do not need to calibrate the delay loop for secondary cores.
Remove the boot_lock entirely.

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
 2018-12-14 14:44:59 +00:00
Russell King d9b778e7bf ARM: versatile: rename and comment SMP implementation 
Rename pen_release and boot_lock in the Versatile specific SMP
implementation, describe why these exist and state clearly that they
should not be used in production implementations.

Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
 2018-12-14 14:44:59 +00:00
Sebastian Andrzej Siewior 830eec2467 ARM: versatile: convert boot_lock to raw 
The arm boot_lock is used by the secondary processor startup code.  The locking
task is the idle thread, which has idle->sched_class == &idle_sched_class.
idle_sched_class->enqueue_task == NULL, so if the idle task blocks on the
lock, the attempt to wake it when the lock becomes available will fail:

try_to_wake_up()
   ...
      activate_task()
         enqueue_task()
            p->sched_class->enqueue_task(rq, p, flags)

Fix by converting boot_lock to a raw spin lock.

Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Frank Rowand <frank.rowand@am.sony.com>
Link: http://lkml.kernel.org/r/4E77B952.3010606@am.sony.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
 2018-12-14 14:44:59 +00:00
Russell King 4fb68e12f2 ARM: vexpress/realview: consolidate immitation CPU hotplug 
The only difference between the hotplug implementation for Realview
and Versatile Express are the bit in the auxiliary control register
to disable coherency.  Combine the two implentations accounting for
that difference.

Rename the functions to try to discourage cargo-cult copying of this
code.

Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
 2018-12-14 14:44:59 +00:00
Linus Walleij 21abf10381 gpio: Pass a flag to gpiochip_request_own_desc() 
Before things go out of hand, make it possible to pass
flags when requesting "own" descriptors from a gpio_chip.
This is necessary if the chip wants to request a GPIO with
active low semantics, for example.

Cc: Janusz Krzysztofik <jmkrzyszt@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Jiri Kosina <jkosina@suse.cz>
Cc: Roger Quadros <rogerq@ti.com>
Reviewed-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2018-12-14 14:24:33 +01:00
Sylwester Nawrocki 8ac686d7df ARM: dts: exynos: Specify I2S assigned clocks in proper node 
The assigned parent clocks should be normally specified in the consumer
device's DT node, this ensures respective driver always sees correct clock
settings when required.

This patch fixes regression in audio subsystem on Odroid XU3/XU4 boards
that appeared after commits:

commit 647d04f8e0 ("ASoC: samsung: i2s: Ensure the RCLK rate is properly determined")
commit 995e73e55f ("ASoC: samsung: i2s: Fix rclk_srcrate handling")
commit 48279c53fd ("ASoC: samsung: i2s: Prevent external abort on exynos5433 I2S1 access")

Without this patch the driver gets wrong clock as the I2S function clock
(op_clk) in probe() and effectively the clock which is finally assigned
from DT is not being enabled/disabled in the runtime resume/suspend ops.

Without the above listed commits the EXYNOS_I2S_BUS clock was always set
as parent of CLK_I2S_RCLK_SRC regardless of DT settings so there was no issue
with not enabled EXYNOS_SCLK_I2S.

Cc: <stable@vger.kernel.org> # 4.17.x
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
 2018-12-13 21:56:07 +01:00
Markus Reichl 497f1bcb90 ARM: dts: exynos: Add missing CPUs in cooling maps for Odroid X2 
While updating cooling maps, the exynos4412-prime.dtsi was left
untouched.  This is not a problem with Odroid U3 because it uses its own
map with fan (which was updated).  However the cooling maps of Odroid X2
rely only on exynos4412-prime.dtsi.

Signed-off-by: Markus Reichl <m.reichl@fivetechno.de>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
 2018-12-13 21:43:55 +01:00
Christoph Hellwig 356da6d0cd dma-mapping: bypass indirect calls for dma-direct 
Avoid expensive indirect calls in the fast path DMA mapping
operations by directly calling the dma_direct_* ops if we are using
the directly mapped DMA operations.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Tony Luck <tony.luck@intel.com>
 2018-12-13 21:06:18 +01:00
Christoph Hellwig 3731c3d477 dma-mapping: always build the direct mapping code 
All architectures except for sparc64 use the dma-direct code in some
form, and even for sparc64 we had the discussion of a direct mapping
mode a while ago.  In preparation for directly calling the direct
mapping code don't bother having it optionally but always build the
code in.  This is a minor hardship for some powerpc and arm configs
that don't pull it in yet (although they should in a relase ot two),
and sparc64 which currently doesn't need it at all, but it will
reduce the ifdef mess we'd otherwise need significantly.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Jesper Dangaard Brouer <brouer@redhat.com>
Tested-by: Tony Luck <tony.luck@intel.com>
 2018-12-13 21:06:11 +01:00
Rob Herring acc2038738 Merge branch 'yaml-bindings-for-v4.21' into dt/next 2018-12-13 11:20:36 -06:00
Tony Lindgren c7a851b705 ARM: dts: Cosmetic fix for omap5 USB node names 
These should be now using offset from the module base and not the
full physical address.

Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2018-12-13 09:08:43 -08:00
Olliver Schinagl c1132b0067
regulator: dts: enable soft-start and ramp delay for the OLinuXino Lime2 
The OLinuXino Lime2 has a big capacitor on its LDO3 output. It is
actually too large, causing the PMIC to shutdown when toggling the LDO3.

By enabling soft-start and ramp delay we increase the time for the
capacitor to charge lowering the current drain on the power regulator.

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>
Signed-off-by: Priit Laes <plaes@plaes.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
 2018-12-13 16:39:57 +00:00
Tony Lindgren b822233593 ARM: dts: Fix wrong address for omap5 sata phy 
Looks like I missed converting the omap5 sata phy addresses to use offset
from the module base instead of full physical address.

While at it, we can also more it to be a direct child of the interconnect
target module, it is not really a child of the ocp2scp control device.

Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2018-12-12 17:50:14 -08:00
Olof Johansson a6f119a069 Few more omap driver fixes and improvments for v4.21 merge window 
This series of changes improves the TI module flag handling to allow
 booting with older dts files until the module flags have been moved
 to the interconnect target module level. And there's a of_node_name_eq()
 clean-up patch from Rob Herring for the GPMC driver.
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Merge tag 'omap-for-v4.21/driver-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/drivers

Few more omap driver fixes and improvments for v4.21 merge window

This series of changes improves the TI module flag handling to allow
booting with older dts files until the module flags have been moved
to the interconnect target module level. And there's a of_node_name_eq()
clean-up patch from Rob Herring for the GPMC driver.

* tag 'omap-for-v4.21/driver-part2-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  memory: omap-gpmc: Use of_node_name_eq for node name comparisons
  bus: ti-sysc: Check for no-reset and no-idle flags at the child level
  ARM: OMAP2+: Check also the first dts child for hwmod flags

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 14:20:55 -08:00
Olof Johansson 24161e726f Few device fixes for omaps 
Here's a collection of minor fixes for annoying usability issues
 people have noticed using various devices.
 
 There are two regression fixes:
 
 - A regression fix for omap5 usb3 dual role mode
 
 - A regression fix to ams-delta audio being muted permanently
 
 And two one-liners:
 
 - Fix polarity for am335x-pdu001 SD card detection
 
 - Fix non-working omap4-sdp Ethernet startup for rebind
 
 It would be nice to get these merged during the -rc cycle if
 possible. Naturally these can all wait for the merge window too
 if we start running out of time.
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Merge tag 'omap-for-v4.20/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes

Few device fixes for omaps

Here's a collection of minor fixes for annoying usability issues
people have noticed using various devices.

There are two regression fixes:

- A regression fix for omap5 usb3 dual role mode

- A regression fix to ams-delta audio being muted permanently

And two one-liners:

- Fix polarity for am335x-pdu001 SD card detection

- Fix non-working omap4-sdp Ethernet startup for rebind

It would be nice to get these merged during the -rc cycle if
possible. Naturally these can all wait for the merge window too
if we start running out of time.

* tag 'omap-for-v4.20/fixes-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: Fix OMAP4430 SDP Ethernet startup
  ARM: dts: am335x-pdu001: Fix polarity of card detection input
  ARM: OMAP1: ams-delta: Fix audio permanently muted
  ARM: dts: omap5: Fix dual-role mode on Super-Speed port

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 14:20:02 -08:00
Arnd Bergmann bd3fde386d ARM: omap2: avoid section mismatch warning 
WARNING: vmlinux.o(.text+0x27530): Section mismatch in reference from the function am43xx_suspend_init() to the function .init.text:am43xx_map_scu()
The function am43xx_suspend_init() references
the function __init am43xx_map_scu().
This is often because am43xx_suspend_init lacks a __init
annotation or the annotation of am43xx_map_scu is wrong.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Santosh Shilimkar <ssantosh@kernel.org>
Reviewed-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 14:04:59 -08:00
Olof Johansson 6dc7e8764b soc: Amlogic updates for v4.21 
- ARM: meson: Kconfig: select HAVE_ARM_TWD and ARM_GLOBAL_TIMER
 - misc MAINTAINERS updates
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Merge tag 'amlogic-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/soc

soc: Amlogic updates for v4.21
- ARM: meson: Kconfig: select HAVE_ARM_TWD and ARM_GLOBAL_TIMER
- misc MAINTAINERS updates

* tag 'amlogic-soc' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM: meson: select HAVE_ARM_TWD and ARM_GLOBAL_TIMER
  MAINTAINERS: add drivers/soc/amlogic/ to amlogic list
  MAINTAINERS: Remove myself from the list

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 14:03:48 -08:00
Olof Johansson 4f474037cf Gemini DTS updates for v4.21: 
- Fix the erroneous partition table on D-Link DIR-685
 - Multiplex flash usage with other usage using pin control
   handling (merged to the MTD tree)
 - Use the RedBoot partition parser on SQ201
 - Add the USB blocks (DT bindings merged in the last merge
   window)
 - Bump the debounce times a bit to avoid bouncing
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Merge tag 'gemini-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik into next/dt

Gemini DTS updates for v4.21:
- Fix the erroneous partition table on D-Link DIR-685
- Multiplex flash usage with other usage using pin control
  handling (merged to the MTD tree)
- Use the RedBoot partition parser on SQ201
- Add the USB blocks (DT bindings merged in the last merge
  window)
- Bump the debounce times a bit to avoid bouncing

* tag 'gemini-dts' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-nomadik:
  ARM: dts: Bump Gemini platforms to use 100ms debounce
  ARM: dts: Add the FOTG210 USB host to Gemini boards
  ARM: dts: Fix up SQ201 flash access
  ARM: dts: Enable Gemini flash access
  ARM: dts: Fix up the D-Link DIR-685 MTD partition info

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 14:01:03 -08:00
Olof Johansson 69c5f266d8 Allwinner H3/H5 changes for 4.21 
Our usual pull request with the changes shared between the H3 and H5 SoCs.
 
 The major changes for this release are:
   - Addition of the video engine for the H5
   - H3 Camera support
   - New board: Emlid Neutis N5, Mapleboard MP130
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Merge tag 'sunxi-h3-h5-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/dt

Allwinner H3/H5 changes for 4.21

Our usual pull request with the changes shared between the H3 and H5 SoCs.

The major changes for this release are:
  - Addition of the video engine for the H5
  - H3 Camera support
  - New board: Emlid Neutis N5, Mapleboard MP130

* tag 'sunxi-h3-h5-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  arm64: dts: allwinner: h5: Add Video Engine node
  ARM/arm64: dts: allwinner: Move H3/H5 syscon label over to soc-specific nodes
  arm64: dts: allwinner: h5: Add system-control node with SRAM C1
  ARM: dts: sun8i: h3: Fix the system-control register range
  ARM: dts: sun8i: Add the H3/H5 CSI controller
  ARM: dts: sun8i-h3: Add dts for the Mapleboard MP130
  arm64: dts: allwinner: new board - Emlid Neutis N5
  dt-bindings: vendor-prefix: new vendor - Emlid
  ARM: dts: sun8i-h3: add sy8106a to orange pi plus

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:59:58 -08:00
Olof Johansson 4238973b2e Changes for omap1 variants for v4.21 merge window 
In this set of changes Aaro Koskinen revives Palm Tungsten E for the
 MMC and USB making it usable again. And Janusz Krzysztofik follows up
 on the clean-up of  ams-delta GPIO handling. The other changes are
 clean-up for DEFINE_SHOW_ATTRIBUTE by Yangtao Li.
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Merge tag 'omap-for-v4.21/omap1-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/soc

Changes for omap1 variants for v4.21 merge window

In this set of changes Aaro Koskinen revives Palm Tungsten E for the
MMC and USB making it usable again. And Janusz Krzysztofik follows up
on the clean-up of  ams-delta GPIO handling. The other changes are
clean-up for DEFINE_SHOW_ATTRIBUTE by Yangtao Li.

* tag 'omap-for-v4.21/omap1-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: OMAP1: fix USB configuration for device-only setups
  ARM: OMAP1: add MMC configuration for Palm Tungsten E
  ARM: OMAP1: devices: configure omap1_spi100k only on OMAP7xx
  ARM: OMAP1/2: fix SoC name printing
  ARM: OMAP1: ams-delta: Move AMS_DELTA_LATCH2_NGPIO to the board file
  ARM: OMAP1: ams-delta: Drop unused symbols from the board header
  ARM: OMAP1: ams-delta: Drop board specific global GPIO numbers
  ARM: OMAP: PM: Change to use DEFINE_SHOW_ATTRIBUTE macro
  ARM: OMAP1: clock: Change to use DEFINE_SHOW_ATTRIBUTE macro
  ARM: OMAP1: ams-delta: Provide GPIO lookup table for LED device
  ARM: OMAP1: ams-delta: make board header file local to mach-omap1

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:58:34 -08:00
Arnd Bergmann 4dd201beec ARM: tegra: avoid section mismatch warning 
WARNING: vmlinux.o(.text+0x39ecc): Section mismatch in reference from the function tegra114_gic_cpu_pm_registration() to the (unknown reference) .init.rodata:(unknown)
The function tegra114_gic_cpu_pm_registration() references
the (unknown reference) __initconst (unknown).
This is often because tegra114_gic_cpu_pm_registration lacks a __initconst
annotation or the annotation of (unknown) is wrong.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:57:55 -08:00
Arnd Bergmann 4aa6467733 ARM: ks8695: fix section mismatch warning 
WARNING: vmlinux.o(.text+0x13250): Section mismatch in reference from the function acs5k_i2c_init() to the (unknown reference) .init.data:(unknown)
The function acs5k_i2c_init() references
the (unknown reference) __initdata (unknown).
This is often because acs5k_i2c_init lacks a __initdata
annotation or the annotation of (unknown) is wrong.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:56:36 -08:00
Arnd Bergmann 88af3209aa ARM: pxa: avoid section mismatch warning 
WARNING: vmlinux.o(.text+0x19f90): Section mismatch in reference from the function littleton_init_lcd() to the function .init.text:pxa_set_fb_info()
The function littleton_init_lcd() references
the function __init pxa_set_fb_info().
This is often because littleton_init_lcd lacks a __init
annotation or the annotation of pxa_set_fb_info is wrong.

WARNING: vmlinux.o(.text+0xf824): Section mismatch in reference from the function zeus_register_ohci() to the function .init.text:pxa_set_ohci_info()
The function zeus_register_ohci() references
the function __init pxa_set_ohci_info().
This is often because zeus_register_ohci lacks a __init
annotation or the annotation of pxa_set_ohci_info is wrong.

WARNING: vmlinux.o(.text+0xf95c): Section mismatch in reference from the function cm_x300_init_u2d() to the function .init.text:pxa3xx_set_u2d_info()
The function cm_x300_init_u2d() references
the function __init pxa3xx_set_u2d_info().
This is often because cm_x300_init_u2d lacks a __init
annotation or the annotation of pxa3xx_set_u2d_info is wrong.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:56:14 -08:00
Arnd Bergmann 5d3e11c478 ARM: mmp: fix pxa168_device_usb_phy use on aspenite 
This one ended up in the wrong header file, causing a build failure
on at least one platform:

arch/arm/mach-mmp/aspenite.c: In function 'common_init':
arch/arm/mach-mmp/aspenite.c:260:28: error: 'pxa168_device_usb_phy' undeclared (first use in this function); did you mean 'pxa168_device_ssp5'?

We can just include both the pxa168.h and pxa910.h headers to make
that work, which gets us to the next failure:

arch/arm/mach-mmp/aspenite.o: In function `common_init':
aspenite.c:(.init.text+0x1c0): undefined reference to `pxa168_device_usb_phy'

This is solved by using the matching ifdef check around the
USB device registration, enabling them only when either USB
host or gadget mode are enabled.

Fixes: a225daf72e ("ARM: mmp: add a pxa-usb-phy device")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:54:44 -08:00
Arnd Bergmann 12d3a30db4 ARM: mmp: fix timer_init calls 
The change to passing the timer frequency as a function argument
was a good idea, but caused a build failure for one user that
was missed in the update:

arch/arm/mach-mmp/time.c: In function 'mmp_dt_init_timer':
arch/arm/mach-mmp/time.c:242:2: error: implicit declaration of function 'timer_init'; did you mean 'hrtimer_init'? [-Werror=implicit-function-declaration]

Change that as well to fix the build error, and rename the
function to put it into a proper namespace and make it clearer
what is actually going on.

I saw that the high 6500000 HZ frequency was previously only
set with CONFIG_MMP2, but is now also used with MMP (pxa910),
so I'm changing that back here. Please make sure that the
frequencies are all correct now.

Fixes: f36797ee43 ("ARM: mmp/mmp2: dt: enable the clock")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:54:40 -08:00
Olof Johansson c8730395ea i.MX SoC changes for 4.21: 
- An improvement on i.MX debugging options that only defines
    DEBUG_IMX_UART_PORT if needed, so that the option will not be present
    in the kernel config when DEBUG_LL is disabled.
  - Adds the necessary platform support for i.MX7ULP SoC and configures
    power mode to Partial Stop mode 3 with system/bus clock enabled.
    Otherwise the default STOP mode will gate off system/bus clock when
    WFI gets executed on i.MX7ULP.
  - A fix from Arnd on SOC_IMX7ULP option dependency.
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Merge tag 'imx-soc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/soc

i.MX SoC changes for 4.21:
 - An improvement on i.MX debugging options that only defines
   DEBUG_IMX_UART_PORT if needed, so that the option will not be present
   in the kernel config when DEBUG_LL is disabled.
 - Adds the necessary platform support for i.MX7ULP SoC and configures
   power mode to Partial Stop mode 3 with system/bus clock enabled.
   Otherwise the default STOP mode will gate off system/bus clock when
   WFI gets executed on i.MX7ULP.
 - A fix from Arnd on SOC_IMX7ULP option dependency.

* tag 'imx-soc-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx: fix dependencies on imx7ulp
  ARM: imx: add initial support for imx7ulp
  ARM: debug-imx: only define DEBUG_IMX_UART_PORT if needed

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:52:48 -08:00
Olof Johansson 3aab54033a Samsung mach/soc changes for v4.21 
Just cleanups of: legacy way of setting external wakeup interrupts, old
 power management debugging functions and duplicated secondary startup
 initialization.
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Merge tag 'samsung-soc-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/soc

Samsung mach/soc changes for v4.21

Just cleanups of: legacy way of setting external wakeup interrupts, old
power management debugging functions and duplicated secondary startup
initialization.

* tag 'samsung-soc-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: exynos: Remove secondary startup initialization from smp_prepare_cpus
  ARM: samsung: Limit SAMSUNG_PM_DEBUG config option to non-Exynos platforms
  ARM: exynos: Remove no longer needed s3c_pm_check_*() calls
  ARM: exynos: Remove legacy setting of external wakeup interrupts
  ARM: s5pv210: Remove legacy setting of external wakeup interrupts

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:52:15 -08:00
Olof Johansson abd488c001 Allwinner core changes for 4.21 
A few patches to enable a new Allwinner SoC based on an armv5 CPU.
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Merge tag 'sunxi-core-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/soc

Allwinner core changes for 4.21

A few patches to enable a new Allwinner SoC based on an armv5 CPU.

* tag 'sunxi-core-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  dt-bindings: watchdog: Add Allwinner ARMv5 F1C100s wdt
  ARM: sunxi: add Allwinner ARMv5 SoCs
  dt-bindings: arm: Add new Allwinner ARMv5 F1C100s SoC
  ARM: Check ARCH_MULTI_V7 to differentiate ARMv5/v7 Allwinner SoCs

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:51:29 -08:00
Olof Johansson 767ae01748 DaVinci SoC updates for v4.21 
-----------------------------
 
 This set of patches moves DaVinci one step closer to
 not relying on at24 platform data by relying on nvmem
 cell lookups instead.
 
 Once other dependencies are merged, for v4.22, plan is
 to merge another series of patches removing at24
 platform data.
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Merge tag 'davinci-for-v4.21/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into next/soc

DaVinci SoC updates for v4.21
-----------------------------

This set of patches moves DaVinci one step closer to
not relying on at24 platform data by relying on nvmem
cell lookups instead.

Once other dependencies are merged, for v4.22, plan is
to merge another series of patches removing at24
platform data.

* tag 'davinci-for-v4.21/soc' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
  ARM: davinci: da850-evm: remove unnecessary include
  ARM: davinci: dm850-evm: use cell nvmem lookup for mac address
  ARM: davinci: mityomapl138: use cell nvmem lookup for mac address
  ARM: davinci: da830-evm: use cell nvmem lookup for mac address
  ARM: davinci: dm646x-evm: use cell nvmem lookup for mac address
  ARM: davinci: dm644x-evm: use cell nvmem lookup for mac address
  ARM: davinci: dm365-evm: use cell nvmem lookup for mac address

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:51:05 -08:00
Olof Johansson 50ba37008f Renesas ARM Based SoC Updates for v4.21 
* pm-rmobile driver
   - Move to drivers/soc/renesas/
   - Clean up struct rmobile_pm_domain
 * Renesas SoC Kconfig Symbols
   - Move symbols for ARM and SoCs to drivers/soc/renesas/
   - Hide ARCH_RZN1 to improve consistency
 * SH-Mobile AG5 (sh73a0) SoC: Remove obsolete inclusion of <asm/smp_twd.h>
 * Restrict TWD and SCU to Renesas ARM based SoCs where they are present
 * Enable GPIOLIB on Renesas arm64 based SoCs to allow GPIO driver selection
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Merge tag 'renesas-soc-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc

Renesas ARM Based SoC Updates for v4.21

* pm-rmobile driver
  - Move to drivers/soc/renesas/
  - Clean up struct rmobile_pm_domain
* Renesas SoC Kconfig Symbols
  - Move symbols for ARM and SoCs to drivers/soc/renesas/
  - Hide ARCH_RZN1 to improve consistency
* SH-Mobile AG5 (sh73a0) SoC: Remove obsolete inclusion of <asm/smp_twd.h>
* Restrict TWD and SCU to Renesas ARM based SoCs where they are present
* Enable GPIOLIB on Renesas arm64 based SoCs to allow GPIO driver selection

* tag 'renesas-soc-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: R-Mobile: Move pm-rmobile to drivers/soc/renesas/
  ARM: shmobile: R-Mobile: Clean up struct rmobile_pm_domain
  ARM: shmobile: Move SoC Kconfig symbols to drivers/soc/renesas/
  arm64: renesas: Move SoC Kconfig symbols to drivers/soc/renesas/
  ARM: shmobile: Hide ARCH_RZN1 to improve consistency
  ARM: shmobile: sh73a0: Remove obsolete inclusion of <asm/smp_twd.h>
  ARM: shmobile: Restrict TWD support to SoCs that have it
  ARM: shmobile: Restrict SCU support to SoCs that have it
  arm64: renesas: Enable GPIOLIB to allow GPIO driver selection

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:49:58 -08:00
Olof Johansson 44593ea9f3 i.MX defconfig update for 4.21: 
- Enable build of i.MX7ULP SoC support.
  - Enable Goodix touchscreen driver which is needed by ConnectCore 6UL
    SBC Pro (ccimx6ulsbcpro) board support.
  - Enable USB_ANNOUNCE_NEW_DEVICES to help USB issue debugging and
    BT_BNEP to support network over bluetooth.
  - Remove explicit ARM_UNWIND disabling as it's selected by ARM EABI
    support.
  - Enable DA9063 PMIC for emtrion i.MX6 boards support.
  - Enable driver support for Pixel Pipeline (PXP) and DCP crypto block
    which are found on i.MX6 and i.MX7 SoCs.
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Merge tag 'imx-defconfig-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/defconfig

i.MX defconfig update for 4.21:
 - Enable build of i.MX7ULP SoC support.
 - Enable Goodix touchscreen driver which is needed by ConnectCore 6UL
   SBC Pro (ccimx6ulsbcpro) board support.
 - Enable USB_ANNOUNCE_NEW_DEVICES to help USB issue debugging and
   BT_BNEP to support network over bluetooth.
 - Remove explicit ARM_UNWIND disabling as it's selected by ARM EABI
   support.
 - Enable DA9063 PMIC for emtrion i.MX6 boards support.
 - Enable driver support for Pixel Pipeline (PXP) and DCP crypto block
   which are found on i.MX6 and i.MX7 SoCs.

* tag 'imx-defconfig-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx_v6_v7_defconfig: add imx7ulp support
  ARM: imx_v6_v7_defconfig: Select TOUCHSCREEN_GOODIX
  ARM: imx_v6_v7_defconfig: Enable USB_ANNOUNCE_NEW_DEVICES
  ARM: imx_v6_v7_defconfig: Enable BT_BNEP
  ARM: imx_v6_v7_defconfig: Remove explicit ARM_UNWIND disable
  ARM: imx_v6_v7_defconfig: Enable DA9063 PMIC support
  ARM: imx_v6_v7_defconfig: Select the PXP driver
  ARM: imx_v6_v7_defconfig: Enable CRYPTO_DEV_MXS_DCP

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:47:42 -08:00
Olof Johansson 42196048c6 Samsung defconfig changes for v4.21 
Enable drivers in exynos and multi_v7 defconfigs for MAX8952, MAX8998
 (Samsung UniversalC210 board) and TC358764 (Arndale board).
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Merge tag 'samsung-defconfig-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/defconfig

Samsung defconfig changes for v4.21

Enable drivers in exynos and multi_v7 defconfigs for MAX8952, MAX8998
(Samsung UniversalC210 board) and TC358764 (Arndale board).

* tag 'samsung-defconfig-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: multi_v7_defconfig: Add TOSHIBA TC358764 bridge driver
  ARM: multi_v7_defconfig: Add MAX8952 regulator driver
  ARM: exynos_defconfig: Add TOSHIBA TC358764 bridge driver
  ARM: exynos_defconfig: Add MAX8952 regulator driver
  ARM: exynos_defconfig: Add MAX8998 RTC and charger drivers

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:47:15 -08:00
Olof Johansson d72c6acee4 Renesas ARM Based SoC Defconfig Updates for v4.21 
* Enable SII902X in shmobile defconfig
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Merge tag 'renesas-arm-defconfig-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/defconfig

Renesas ARM Based SoC Defconfig Updates for v4.21

* Enable SII902X in shmobile defconfig

* tag 'renesas-arm-defconfig-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: defconfig: Enable SII902X

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:43:01 -08:00
Ard Biesheuvel 189af46571 ARM: smp: add support for per-task stack canaries 
On ARM, we currently only change the value of the stack canary when
switching tasks if the kernel was built for UP. On SMP kernels, this
is impossible since the stack canary value is obtained via a global
symbol reference, which means
a) all running tasks on all CPUs must use the same value
b) we can only modify the value when no kernel stack frames are live
   on any CPU, which is effectively never.

So instead, use a GCC plugin to add a RTL pass that replaces each
reference to the address of the __stack_chk_guard symbol with an
expression that produces the address of the 'stack_canary' field
that is added to struct thread_info. This way, each task will use
its own randomized value.

Cc: Russell King <linux@armlinux.org.uk>
Cc: Kees Cook <keescook@chromium.org>
Cc: Emese Revfy <re.emese@gmail.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Laura Abbott <labbott@redhat.com>
Cc: kernel-hardening@lists.openwall.com
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
 2018-12-12 13:20:07 -08:00
Olof Johansson 33afb48f32 RV1108 improvements (uart-dma, clocks, interrupt numbers, gmac support 
timer and emmc pins) from its first real-world user.
 RK3188 improvements (OPPv2, cpu node updates) to prepare for a new
 devicetree, the BQ Edison 2 Quad-Core.
 VPU device node for rk3288, right now only the jpeg encoder part
 will be in the kernel but hopefully other codecs will follow.
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Merge tag 'v4.21-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip into next/dt

RV1108 improvements (uart-dma, clocks, interrupt numbers, gmac support
timer and emmc pins) from its first real-world user.
RK3188 improvements (OPPv2, cpu node updates) to prepare for a new
devicetree, the BQ Edison 2 Quad-Core.
VPU device node for rk3288, right now only the jpeg encoder part
will be in the kernel but hopefully other codecs will follow.

* tag 'v4.21-rockchip-dts32-2' of git://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip:
  ARM: dts: rockchip: Add internal timer support for rv1108
  ARM: dts: rockchip: add BQ Edison 2 QC devicetree
  ARM: dts: rockchip: add VPU device node for RK3288
  ARM: dts: rockchip: update cpu supplies on rk3188
  ARM: dts: rockchip: add phandles to secondary cpu cores
  ARM: dts: rockchip: add cpu-core resets for rk3188
  ARM: dts: rockchip: convert rk3188 to opp-v2
  ARM: dts: rockchip: add #sound-dai-cells to Cortex-A9 i2s
  ARM: dts: rockchip: Add UART DMA support for rv1108
  ARM: dts: rockchip: Assign the proper GPIO clocks for rv1108
  ARM: dts: rockchip: Fix the PMU interrupt number for rv1108
  ARM: dts: rockchip: Pass the 'arm,cpu-registers-not-fw-configured' property on rv1108
  ARM: dts: rockchip: Pass the 'clock-latency' property on rv1108
  ARM: dts: rockchip: Add rv1108 GMAC support
  ARM: dts: rockchip: add rv1108 eMMC pin settings

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:06:47 -08:00
Olof Johansson 0abf32a837 AT91 DT for 4.21 
- Switch most platforms to the new clock binding
  - Small improvement for Axentia nattis
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Merge tag 'at91-4.21-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into next/dt

AT91 DT for 4.21

 - Switch most platforms to the new clock binding
 - Small improvement for Axentia nattis

* tag 'at91-4.21-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: dts: at91: nattis: initialize the BLON pin as output-low early
  ARM: dts: at91: at91sam9rl: switch to new clock bindings
  ARM: dts: at91: at91sam9x5: switch to new clock bindings
  ARM: dts: at91: at91sam9263: switch to new clock bindings
  ARM: dts: at91: at91sam9261: switch to new clock bindings
  ARM: dts: at91: at91sam9260: switch to new clock bindings
  ARM: dts: at91: sama5d2: switch to new clock binding
  ARM: dts: at91: sama5d4: switch to new clock bindings
  ARM: dts: at91: sama5d2: use the divided clock for SMC

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:04:41 -08:00
Olof Johansson ac3e0be697 ARM: dts: Amlogic updates for v4.21, round 2 
Highlights
 - add CPU OPP tables
 - timers: add global timer and TWD
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Merge tag 'amlogic-dt-2' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/dt

ARM: dts: Amlogic updates for v4.21, round 2

Highlights
- add CPU OPP tables
- timers: add global timer and TWD

* tag 'amlogic-dt-2' of https://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM: dts: meson: meson8b: add the CPU OPP tables
  ARM: dts: meson: meson8: add the CPU OPP table
  ARM: dts: meson8b: add the Cortex-A5 global timer
  ARM: dts: meson8b: add the ARM TWD timer
  ARM: dts: meson8: add the Cortex-A9 global timer
  ARM: dts: meson8: add the ARM TWD timer
  ARM: dts: meson: group the Cortex-A5 / Cortex-A9 peripherals
  dt-bindings: clock: meson8b: export the CPU post dividers

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:02:51 -08:00
Olof Johansson ba97d019fc UniPhier ARM SoC DT updates for v4.21 
- Add bindings for all SoCs/boards of UniPhier platform
 
 - Move binding docs to socionext directory
 
 - Add all CPUs in cooling maps
 
 - Add MIO DMAC nodes
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Merge tag 'uniphier-dt-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier into next/dt

UniPhier ARM SoC DT updates for v4.21

- Add bindings for all SoCs/boards of UniPhier platform

- Move binding docs to socionext directory

- Add all CPUs in cooling maps

- Add MIO DMAC nodes

* tag 'uniphier-dt-v4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-uniphier:
  ARM: dts: uniphier: add MIO DMAC nodes
  arm64: dts: uniphier: Add all CPUs in cooling maps
  ARM: dts: uniphier: Add all CPUs in cooling maps
  dt-bindings: uniphier: move cache-uniphier.txt to vendor directory
  dt-bindings: uniphier: add bindings for UniPhier SoC family

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 13:01:24 -08:00
Olof Johansson fafda335f8 i.MX7ULP device tree for 4.21: 
- It includes the initial device tree for i.MX7ULP SoC and EVK board
    support.
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Merge tag 'imx7ulp-dt-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

i.MX7ULP device tree for 4.21:
 - It includes the initial device tree for i.MX7ULP SoC and EVK board
   support.

* tag 'imx7ulp-dt-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx: add imx7ulp evk support
  ARM: dts: imx: add common imx7ulp dtsi support
  dt-bindings: fsl: add imx7ulp pm related components bindings
  dt-bindings: fsl: add compatible for imx7ulp evk
  clk: imx: add imx7ulp clk driver
  clk: imx: implement new clk_hw based APIs
  clk: imx: make mux parent strings const
  dt-bindings: clock: add imx7ulp clock binding doc
  clk: imx: add imx7ulp composite clk support
  clk: imx: add pfdv2 support
  clk: imx: add pllv4 support
  clk: fractional-divider: add CLK_FRAC_DIVIDER_ZERO_BASED flag support
  clk: imx: add gatable clock divider support

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 12:56:36 -08:00
Olof Johansson 2b64645608 i.MX7D PICO boards update for 4.21: 
- It contains a series from Otavio Salvador that improves i.MX7D PICO
   SoM, and then adds Hobbit baseboard support on top of the improvement.
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Merge tag 'imx7d-pico-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

i.MX7D PICO boards update for 4.21:
 - It contains a series from Otavio Salvador that improves i.MX7D PICO
  SoM, and then adds Hobbit baseboard support on top of the improvement.

* tag 'imx7d-pico-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: dts: imx7d-pico: Add the imx7d-pico-hobbit variant
  ARM: dts: imx7d-pico-pi: Extend peripherals support
  ARM: dts: imx7d-pico: Extend peripherals support
  ARM: dts: imx7d-pico: Improve WiFi regulator name
  ARM: dts: imx7d-pico: Pass the Ethernet PHY reset GPIO
  ARM: dts: imx7d-pico: Pass the USBOTG1_PWR pinctrl
  ARM: dts: imx7d-pico-pi: Move SoM related part to imx7d-pico.dtsi
  ARM: dts: imx7d-pico: Switch to SPDX identifier
  ARM: dts: imx7d-pico: Do not harcode the memory size
  ARM: dts: imx7d-nitrogen7: Fix the description of the Wifi clock
  ARM: imx: update the cpu power up timing setting on i.mx6sx
  ARM: dts: imx7d-pico: Describe the Wifi clock
  ARM: dts: imx51-zii-rdu1: Remove EEPROM node

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 12:55:34 -08:00
Olof Johansson 80b451cd68 i.MX device tree update for 4.21: 
- New boards support: emtrion emCON-MX6, imx6ul-pico-pi, imx7d-sdb-reva
    and vf610 based Liebherr's BK4 device, ZII SCU4 AIB board.
  - Add flexcan support for i.MX6UL SoC, turn on stop mode wakeup feature
    for flexcan, and enable devices on a few i.MX6 NXP boards.
  - Enable AUO G101EVN010 lcd panel and Goodix touch support for
    imx6ul-ccimx6ulsbcpro board.
  - Enable sensors support for imx6qdl-sabresd board: egalax touch, light,
    magnetometer and accelerometer sensor.
  - Switch more boards to use SPDX identifier.
  - Fix memory node duplication in i.MX device tree sources.
  - Correct GIC PPI interrupts mask for i.MX6UL and i.MX7 SoCs.
  - Drop 'snps,dw-pcie' compatible from LS1021A PCIe device to avoid
    incorrect device matching.
  - Add the gpu nodes for the adreno 200 GPU on iMX51 and iMX53, which
    are now supported by the freedreno driver.
  - Add DCP device support for i.MX6ULL, which requires explicit clock
    enabling.
  - Add '#thermal-sensor-cells' for thermal device and '#cooling-cells'
    for cooling devices.
  - Add missing clock information for EPIT on i.MX25 SoC.
  - Add PWM and qdma devices for LS1021A SoC.
  - Update cooling maps of LS1021A SoC to include all devices affected by
    individual trip points.
  - Random device addition and cleanup on various boards.
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Merge tag 'imx-dt-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into next/dt

i.MX device tree update for 4.21:
 - New boards support: emtrion emCON-MX6, imx6ul-pico-pi, imx7d-sdb-reva
   and vf610 based Liebherr's BK4 device, ZII SCU4 AIB board.
 - Add flexcan support for i.MX6UL SoC, turn on stop mode wakeup feature
   for flexcan, and enable devices on a few i.MX6 NXP boards.
 - Enable AUO G101EVN010 lcd panel and Goodix touch support for
   imx6ul-ccimx6ulsbcpro board.
 - Enable sensors support for imx6qdl-sabresd board: egalax touch, light,
   magnetometer and accelerometer sensor.
 - Switch more boards to use SPDX identifier.
 - Fix memory node duplication in i.MX device tree sources.
 - Correct GIC PPI interrupts mask for i.MX6UL and i.MX7 SoCs.
 - Drop 'snps,dw-pcie' compatible from LS1021A PCIe device to avoid
   incorrect device matching.
 - Add the gpu nodes for the adreno 200 GPU on iMX51 and iMX53, which
   are now supported by the freedreno driver.
 - Add DCP device support for i.MX6ULL, which requires explicit clock
   enabling.
 - Add '#thermal-sensor-cells' for thermal device and '#cooling-cells'
   for cooling devices.
 - Add missing clock information for EPIT on i.MX25 SoC.
 - Add PWM and qdma devices for LS1021A SoC.
 - Update cooling maps of LS1021A SoC to include all devices affected by
   individual trip points.
 - Random device addition and cleanup on various boards.

* tag 'imx-dt-4.21' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux: (82 commits)
  ARM: dts: imx51-zii-rdu1: Do not specify "power-gpio" for hpa1
  ARM: dts: imx6ul: Remove extra space between node name and brace
  ARM: dts: imx6qdl-sabresd: Use GPIO_ACTIVE_HIGH for regulators
  ARM: dts: imx6ul: add flexcan support
  ARM: dts: imx5: add gpu nodes
  ARM: dts: imx6qdl-sabresd: add accelerometer sensor support
  ARM: dts: imx6qdl-sabresd: add magnetometer sensor support
  ARM: dts: imx6qdl-sabresd: add light sensor support
  ARM: dts: imx6qdl-sabresd: Move regulators outside of "simple-bus"
  ARM: dts: imx6qdl: Fix memory node duplication
  ARM: dts: imx6dl-mamoj: Add a memory node
  ARM: dts: imx53-voipac-dmm-668: Fix memory node duplication
  ARM: dts: vf610-zii-scu4-aib: Add HI8435 support
  ARM: dts: imx6qdl-sabresd: add egalax touch screen support on i2c2 bus
  ARM: dts: imx7s: Add flexcan stop mode wakeup support
  ARM: dts: imx6ul: Add flexcan stop mode wakeup support
  ARM: dts: imx6qdl: Add flexcan stop mode wakeup support
  ARM: dts: imx6sx: Add flexcan stop mode wakeup support
  ARM: dts: imx6ul-pico: Add the imx6ul-pico-pi variant
  ARM: dts: imx6ul-pico-hobbit: Extend peripherals support
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 12:54:48 -08:00
Olof Johansson df6aeaef1c Samsung DTS ARM changes for v4.21 
1. Add missing properties and nodes for PMIC clocks in multiple DTS
    files.
 2. Add UHS-I bus speed support to Odroid XU3/XU4/HC SD card and bump the
    maximum clock frequency to 200 MHz for SD and eMMC.
 3. Update cooling maps to include all CPU devices in multiple DTS files.
 4. Enable quirks for Exynos3250 DWC.
 5. Add JPEG CODEC node to S5Pv210.
 6. Add opp-suspend to devfreq OPPs on Exynos4 boards to fix resuming
    from suspend to RAM.
 7. Remove eDP from Arndale board as it does not work and breaks also
    DSI.
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Merge tag 'samsung-dt-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into next/dt

Samsung DTS ARM changes for v4.21

1. Add missing properties and nodes for PMIC clocks in multiple DTS
   files.
2. Add UHS-I bus speed support to Odroid XU3/XU4/HC SD card and bump the
   maximum clock frequency to 200 MHz for SD and eMMC.
3. Update cooling maps to include all CPU devices in multiple DTS files.
4. Enable quirks for Exynos3250 DWC.
5. Add JPEG CODEC node to S5Pv210.
6. Add opp-suspend to devfreq OPPs on Exynos4 boards to fix resuming
   from suspend to RAM.
7. Remove eDP from Arndale board as it does not work and breaks also
   DSI.

* tag 'samsung-dt-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
  ARM: dts: exynos: remove display-port node from Arndale
  ARM: dts: exynos: Add opp-suspend to DMC and leftbus devfreq OPPs on Exynos4
  ARM: dts: s5pv210: Add s5p-jpeg codec node.
  ARM: dts: exynos: Use Samsung SoC specific compatible for DWC2 module
  ARM: dts: exynos: Add all CPUs in cooling maps
  ARM: dts: exynos: Clarify comment explaining purpose of Odroid XU3 DTSI
  ARM: dts: exynos: Add pin configuration for SD write protect on Odroid XU3/XU4/HC1
  ARM: dts: exynos: Update maximum frequency for eMMC to 200MHz on Odroid XU3/XU4
  ARM: dts: exynos: Update maximum frequency for SD card to 200MHz on Odroid XU3/XU4/HC1
  ARM: dts: exynos: Fix LDO13 min values on Odroid XU3/XU4/HC1
  ARM: dts: exynos: Add UHS-I bus speed support to Odroid XU3/XU4/HC1
  ARM: dts: exynos: Add missing clocks to RTC node for Arndale board
  ARM: dts: exynos: Add compatible for s5m8767 clocks node on Itop Core
  ARM: dts: exynos: Add compatible for s2mps11 clocks node on Exynos542x

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 12:52:20 -08:00
Olof Johansson 2c94db389b Allwinner DT changes for 4.21 
This is a quite big pull request this time, with a huge number of changes
 (and patches) due to us fixing the vast majority of the DTC warnings our DT
 had.
 
 We also have a bunch of other good, more meaningful, changes:
   - Support for the new Allwinner T3 (rebranded R40) and f1c100s (armv5)
     SoCs
   - AXP803 PMIC AC Power supply support
   - Rework of the oscillators tree
   - Two new boards: the t3-cqa3t-bv3 and Lichee Pi Nano
 
 Plus a few enhancements here and there.
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Merge tag 'sunxi-dt-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into next/dt

Allwinner DT changes for 4.21

This is a quite big pull request this time, with a huge number of changes
(and patches) due to us fixing the vast majority of the DTC warnings our DT
had.

We also have a bunch of other good, more meaningful, changes:
  - Support for the new Allwinner T3 (rebranded R40) and f1c100s (armv5)
    SoCs
  - AXP803 PMIC AC Power supply support
  - Rework of the oscillators tree
  - Two new boards: the t3-cqa3t-bv3 and Lichee Pi Nano

Plus a few enhancements here and there.

* tag 'sunxi-dt-for-4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux: (84 commits)
  ARM: dts: sunxi: Fix PMU compatible strings
  ARM: dts: sun8i: r40: Add RTC device node
  ARM: dts: sunxi: h3/h5: Fix up RTC device node and clock references
  ARM: dts: sun8i: a23/a33: Fix up RTC device node
  ARM: dts: sun8i: r40: Add clock accuracy for external oscillators
  ARM: dts: sunxi: h3/h5: Add clock accuracy for external oscillators
  ARM: dts: sun8i: a33: Drop audio codec oversampling rate to 128 fs
  ARM: dts: sun8i: h3: Remove unnecessary reserved memory node
  ARM: dts: sun8i: a33: Remove unnecessary reserved memory node
  ARM: dts: suniv: Add device tree for Lichee Pi Nano
  ARM: dts: suniv: add initial DTSI file for F1C100s
  ARM: dts: axp81x: add AC power supply subnode
  ARM: dts: sun8i: v3s: Remove skeleton and memory to avoid warnings
  ARM: dts: sun8i: v3s: Provide default muxing for relevant controllers
  ARM: dts: sun8i: v3s: Change pinctrl nodes to avoid warning
  ARM: dts: sun8i: v3s: Change LRADC node names to avoid warnings
  ARM: dts: sun8i: h3: Remove leading zeros from unit-addresses
  ARM: dts: sun8i: BPI-M2M: Remove i2c nodes
  ARM: dts: sun8i: a23/a33: Provide default muxing for relevant controllers
  ARM: dts: sunxi: reference: Move the muxing back to the common DTSI
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-12 12:48:57 -08:00
Mark Brown e6202e8249
Merge branch 'for-linus' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator into regulator-4.21 2018-12-11 20:44:49 +00:00
Otavio Salvador 7841b88a8f ARM: dts: rockchip: Add internal timer support for rv1108 
Add support for the internal timer peripheral on RV1108.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
 2018-12-11 20:38:07 +01:00
Tony Lindgren 5a87809b89 Merge branch 'omap1-usb-fix' into omap-for-v4.21/omap1 2018-12-11 08:14:58 -08:00
Aaro Koskinen c7b7b5cbd0 ARM: OMAP1: fix USB configuration for device-only setups 
Currently we do USB configuration only if the host mode (CONFIG_USB)
is enabled. But it should be done also in the case of device-only setups,
so change the condition to CONFIG_USB_SUPPORT. This allows to use
omap_udc on Palm Tungsten E.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2018-12-11 08:14:23 -08:00
Aaro Koskinen 1e6755f5e8 ARM: OMAP1: add MMC configuration for Palm Tungsten E 
Add initial MMC configuration for Palm Tungsten E to allow using a proper
rootfs on the device. This still assumes the bootloader enabling the MMC,
and that the card is always present and writeable.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2018-12-11 08:12:56 -08:00
Olof Johansson 622523c75f ARM: tegra: Device tree changes for v4.21-rc1 
These changes add the external memory controller on Tegra20 as well as
 the VIC on Tegra124.
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Merge tag 'tegra-for-4.21-arm-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/dt

ARM: tegra: Device tree changes for v4.21-rc1

These changes add the external memory controller on Tegra20 as well as
the VIC on Tegra124.

* tag 'tegra-for-4.21-arm-dt' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  ARM: tegra: Add VIC on Tegra124
  ARM: dts: tegra20: Add clock entry to External Memory Controller
  ARM: dts: tegra20: Add interrupt entry to External Memory Controller

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-11 08:06:35 -08:00
Olof Johansson 857f002133 Second Round of Renesas ARM Based SoC DT Updates for v4.21 
* RZ/G1N (r8a7744) SoC
   - Describe in DT: SYS-DMAC, GPIO, Ethernet AVB, SMP, [H]SCIF{A|B},
     I2C, USB 2.0 and 3.0 hosts, USB-DMAC, HSUSB, RWDT, Audio, CAN, IRQC,
     thermal, CMT, VIN, VSP, IPMMU, PMU, TPU, QSPI MSIOF, and PCIE
   - iWave G20D-Q7 board
     - Initial support
     - Enable eMMC, SDHI and SPIO NOR support
   - Add camera daughterboard
 
 * RZ/G1M (r8a7743) SoC
   - Remove legacy "renesas,rcar-thermal" compatibility
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Merge tag 'renesas-arm-dt2-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt

Second Round of Renesas ARM Based SoC DT Updates for v4.21

* RZ/G1N (r8a7744) SoC
  - Describe in DT: SYS-DMAC, GPIO, Ethernet AVB, SMP, [H]SCIF{A|B},
    I2C, USB 2.0 and 3.0 hosts, USB-DMAC, HSUSB, RWDT, Audio, CAN, IRQC,
    thermal, CMT, VIN, VSP, IPMMU, PMU, TPU, QSPI MSIOF, and PCIE
  - iWave G20D-Q7 board
    - Initial support
    - Enable eMMC, SDHI and SPIO NOR support
  - Add camera daughterboard

* RZ/G1M (r8a7743) SoC
  - Remove legacy "renesas,rcar-thermal" compatibility

* tag 'renesas-arm-dt2-for-v4.21' of https://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas: (34 commits)
  ARM: dts: r8a7744-iwg20m: Add SPI NOR support
  ARM: dts: iwg20d-q7-common: Move cmt/rwdt node out of RZ/G1M SOM
  ARM: dts: r8a7744: Add PCIe Controller device node
  ARM: dts: r8a7744: Add xhci support
  ARM: dts: r8a7744: Add MSIOF[012] support
  ARM: dts: r8a7744: Add QSPI support
  ARM: dts: r8a7744-iwg20d-q7-dbcm-ca: Add device tree for camera DB
  ARM: dts: r8a7744: Add TPU support
  ARM: dts: r8a7744: Add PWM SoC support
  ARM: dts: r8a7744: Add IPMMU DT nodes
  ARM: dts: r8a7744: Add VSP support
  ARM: dts: r8a7744: add VIN dt support
  ARM: dts: r8a7744: Add CMT SoC specific support
  ARM: dts: r8a7744: Add thermal device to DT
  ARM: dts: r8a7744: Add IRQC support
  ARM: dts: r8a7744: Add CAN support
  ARM: dts: r8a7744: Add audio support
  ARM: dts: r8a7744: Add RWDT node
  ARM: dts: r8a7744: Add USB-DMAC and HSUSB device nodes
  ARM: dts: r8a7744: USB 2.0 host support
  ...

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-11 08:03:48 -08:00
Olof Johansson 2fd1a4091f ASPEED device tree updates for 4.20 
- New machine: Facebook Backpack-CMM BMC and flash layout
 
  - OpenPower reference systems (Palmetto P8, Romulus P9) move to the
    ColdFire based FSI driver
 
  - Misc device tree updates from the OpenBMC project
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Merge tag 'aspeed-4.21-devicetree' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed into next/dt

ASPEED device tree updates for 4.20

 - New machine: Facebook Backpack-CMM BMC and flash layout

 - OpenPower reference systems (Palmetto P8, Romulus P9) move to the
   ColdFire based FSI driver

 - Misc device tree updates from the OpenBMC project

* tag 'aspeed-4.21-devicetree' of git://git.kernel.org/pub/scm/linux/kernel/git/joel/aspeed:
  ARM: dts: aspeed: Add Facebook Backpack-CMM BMC
  ARM: dts: Add Facebook BMC flash layout
  ARM: dts: aspeed: wspoon: Enable iio-hwmon battery
  ARM: dts: aspeed: romulus: Enable iio-hwmon-battery
  ARM: dts: aspeed: Enable VHUB on Romulus
  ARM: dts: aspeed-palmetto: Add LPC control node
  ARM: dts: aspeed: Palmetto system can use coprocessor for FSI
  ARM: dts: aspeed: Romulus system can use coprocessor for FSI

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-11 07:59:16 -08:00
Olof Johansson 287eedda7c This device-tree pxa update brings : 
- various fixes from Daniel (W=12 issues mainly)
  - support for the first pxa3xx devicetree pxa board
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Merge tag 'pxa-dt-4.21' of https://github.com/rjarzmik/linux into next/dt

This device-tree pxa update brings :
 - various fixes from Daniel (W=12 issues mainly)
 - support for the first pxa3xx devicetree pxa board

* tag 'pxa-dt-4.21' of https://github.com/rjarzmik/linux:
  ARM: dts: pxa3xx: Add Raumfeld DTS files
  ARM: dts: pxa: clean up USB controller nodes
  ARM: dts: pxa3xx: clean up pxa3xx clock controller node name
  ARM: dts: pxa3xx: order timer and gcu nodes under /pxabus
  ARM: dts: pxa2xx: fix hwuart memory range
  ARM: dts: pxa3xx: drop #address-cells and #size-cells from pinctrl node
  ARM: dts: pxa2xx: drop #address-cells and #size-cells from /cpus
  ARM: dts: pxa3xx: add gcu node

Signed-off-by: Olof Johansson <olof@lixom.net>
 2018-12-11 07:43:46 -08:00
Tony Lindgren 5241ccbf28 ARM: dts: Add missing ranges for dra7 mcasp l3 ports 
We need to add mcasp l3 port ranges for mcasp to use a correct l3
data port address for dma. And we're also missing the optional clocks
that we have tagged with HWMOD_OPT_CLKS_NEEDED in omap_hwmod_7xx_data.c.

Note that for reading the module revision register HWMOD_OPT_CLKS_NEEDED
do not seem to be needed. So they could be probably directly managed
only by the mcasp driver, and then we could leave them out for the
interconnect target module.

Fixes: 4ed0dfe3cf ("ARM: dts: dra7: Move l4 child devices to probe
them with ti-sysc")
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2018-12-11 07:31:25 -08:00
Tony Lindgren f4ef6fd078 ARM: dts: Fix ranges for am335x epwmss 
Looks like I missed the ranges for am335x epwmss. Let's set it up the
same way as for am437x and dra7.

Fixes: 87fc89ced3 ("ARM: dts: am335x: Move l4 child devices to probe
them with ti-sysc")
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2018-12-11 07:31:25 -08:00
Arnd Bergmann 167e63702d ARM: imx: fix dependencies on imx7ulp 
The i.MX7D configuration was reworked, but that change did
not get propagated into the newly added i.MX7ULP, which now
produces a Kconfig warning:

WARNING: unmet direct dependencies detected for HAVE_ARM_ARCH_TIMER
  Depends on [n]: CPU_V7 [=n]
  Selected by [y]:
  - SOC_IMX7ULP [=y] && ARCH_MXC [=y] && (ARCH_MULTI_V7 [=n] || ARM_SINGLE_ARMV7M [=y])

Change it to work the same way as i.MX7D.

Fixes: 1a1f919eb5 ("ARM: imx: Provide support for NXP i.MX7D Cortex-M4")
Fixes: de70d0e9d4 ("ARM: imx: add initial support for imx7ulp")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-11 10:41:20 +08:00
Tony Lindgren 4f21224733 ARM: OMAP2+: Check also the first dts child for hwmod flags 
Until the board specific dts files are updated to have hwmod
flags at the interconnect target module level, we want to keep
things working both for old and new dts files.

So let's also check the first child for hwmod flags. The module
flags are for the whole module, so only the first child should
ever have them.

Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reported-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2018-12-10 14:11:10 -08:00
Martin Blumenstingl e9e863dc1d ARM: meson: select HAVE_ARM_TWD and ARM_GLOBAL_TIMER 
The 32-bit Meson SoCs use multiple Cortex-A9 (Meson8 and Meson8m2) or
Cortex-A5 (Meson8b) CPU cores. These come with the "ARM global timer"
and "Timer-Watchdog" (aka TWD, which provides both a per-cpu local timer
and watchdog).

Selecting ARM_GLOBAL_TIMER and HAVE_ARM_TWD allows us to add the timers
to the SoC.dtsi files.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
 2018-12-10 12:43:40 -08:00
Linus Torvalds 1dffab5e98 ARM: SoC fixes 
The usual batch; most of them are DT tweaks to fix misdescribed
 hardware. Beyond that:
 
  - A bugfix for MMP2 CPU detection, it's been there quite a while but
    makes sense to fix now anyway.
  - Some power management tweaks;
    + disabling of CPU idle power state on Marvell Armada 7K/8K (Macchiatobin et al)
    + Increase of minimum voltage on BananaPi M3
    + Tweak of power ramp time for DVFS on NXP/Freescale i.MX7SX
  - A couple of MAINTAINER updates; MMP has a new volunteer to look after
    it, and Mediatek adds a few keywords, IRC channel and wiki URL.
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "The usual batch; most of them are DT tweaks to fix misdescribed
  hardware. Beyond that:

   - A bugfix for MMP2 CPU detection, it's been there quite a while but
     makes sense to fix now anyway.

   - Some power management tweaks:
      + disabling of CPU idle power state on Marvell Armada 7K/8K
        (Macchiatobin et al)
      + Increase of minimum voltage on BananaPi M3
      + Tweak of power ramp time for DVFS on NXP/Freescale i.MX7SX

   - A couple of MAINTAINER updates:
      + MMP has a new volunteer to look after it
      + Mediatek adds a few keywords, IRC channel and wiki URL"

* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: dts: imx7d-nitrogen7: Fix the description of the Wifi clock
  ARM: imx: update the cpu power up timing setting on i.mx6sx
  Revert "arm64: dts: marvell: add CPU Idle power state support on Armada 7K/8K"
  ARM: dts: imx7d-pico: Describe the Wifi clock
  ARM: dts: realview: Fix some more duplicate regulator nodes
  MAINTAINERS: update entry for MMP platform
  ARM: mmp/mmp2: fix cpu_is_mmp2() on mmp2-dt
  MAINTAINERS: mediatek: Update SoC entry
  ARM: dts: bcm2837: Fix polarity of wifi reset GPIOs
  arm64: dts: mt7622: Drop the general purpose timer node
  arm64: dts: mt7622: fix no more console output on BPI-R64 board
  arm64: dts: mt7622: fix no more console output on rfb1
  ARM: dts: sun8i: a83t: bananapi-m3: increase vcc-pd voltage to 3.3V
 2018-12-10 09:06:22 -08:00
Masahiro Yamada 5fd98eb7e8 ARM: dts: uniphier: add MIO DMAC nodes 
Add MIO-DMAC (Media IO DMA Controller) nodes, and use them as
the DMA engine of SD/eMMC controllers.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
 2018-12-11 01:31:17 +09:00
Tony Lindgren e9e685480b ARM: dts: Fix hsi gdd range for omap4 
While reviewing the missing mcasp ranges I noticed omap4 hsi range
for gdd is wrong so let's fix it.

I'm not aware of any omap4 devices in mainline kernel though that use
hsi though.

Fixes: 84badc5ec5 ("ARM: dts: omap4: Move l4 child devices to probe
them with ti-sysc")
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
 2018-12-10 07:02:13 -08:00
Marc Zyngier 33e5f4e509 KVM: arm64: Rework detection of SVE, !VHE systems 
An SVE system is so far the only case where we mandate VHE. As we're
starting to grow this requirements, let's slightly rework the way we
deal with that situation, allowing for easy extension of this check.

Acked-by: Christoffer Dall <christoffer.dall@arm.com>
Reviewed-by: James Morse <james.morse@arm.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
 2018-12-10 11:57:52 +00:00
A.s. Dong a73900b826 ARM: dts: imx: add imx7ulp evk support 
The NXP i.MX 7ULP Evaluation Kit (EVK) provides a platform for rapid
evaluation of the i.MX 7ULP, which features NXP's advanced implementation
of the Arm Cortex-A7 core, the Arm Cortex-M4 core, as well as a 3D and
2D Graphics Processing Units (GPUs).

The EVK enables HDMI output for simple out-of-the-box to bring up but
allows reconfiguration for MIPI displays. The EVK is designed as a
System-On-Module(SOM) board that connects to an associated baseboard.
The SOM provides 1 GB LPDDR3, 8 MB Quad SPI flash, Micro SD 3.0 card
socket, WiFi/ Bluetooth capability, USB 2.0 OTG with Type C connector
and an NXP PF1550 power management IC (PMIC). The baseboard provides
additional capabilities including a full SD/MMC 3.0 card socket, audio
codec, multiple sensors, an HDMI connector, and an alternate MIPI display
connector. Additionally, the EVK facilitates software development with the
ultimate goal of faster time to market through the support of both
Linux OS and AndroidTM rich operating systems, as well as FreeRTOS.

This patch aims to support the preliminary booting up features
as follows:
GPIO
LPUART
FEC
SD/MMC

See more board details:
https://www.nxp.com/products/processors-and-microcontrollers/
arm-based-processors-and-mcus/i.mx-applications-processors/
i.mx-7-processors/evaluation-kit-for-the-i.mx-7ulp-applications
-processor:MCIMX7ULP-EVK

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: Sascha Hauer <kernel@pengutronix.de>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-10 11:24:54 +08:00
A.s. Dong 20434dc92c ARM: dts: imx: add common imx7ulp dtsi support 
The i.MX 7ULP family of processors features NXP's advanced implementation
of the Arm Cortex-A7 core, the Arm Cortex-M4 core, as well as a 3D and 2D
Graphics Processing Units (GPUs).

This patch aims to add the initial support including:
1) CLK
2) GPIO PTC, PTD, PTE, PTF
3) uSDHC 1/2
4) LPUART 4/5/6/7
5) LPI2C 6/7

Cc: Rob Herring <robh+dt@kernel.org>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: devicetree@vger.kernel.org
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-10 11:24:54 +08:00
Fabio Estevam 7f68ffe061 ARM: dts: imx7d-pico: Add the imx7d-pico-hobbit variant 
The imx7d-pico-hobbit contains a imx7d-pico SoM and a hobbit baseboard.

Add support for it.

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-10 10:33:36 +08:00
Fabio Estevam 9c77ba961f ARM: dts: imx7d-pico-pi: Extend peripherals support 
This adds following peripherals for the imx7d-pico-pi as:

 - LED
 - Touchscreen
 - GPIO

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-10 10:33:36 +08:00
Fabio Estevam f13f571ac8 ARM: dts: imx7d-pico: Extend peripherals support 
This extends the peripherals supported by the imx7d-pico.dtsi. It
adds:

 - I2C2
 - Flexcan (flexcan1 and flexcan2 ports)
 - USDHC1
 - UART (6 and 7 ports)
 - PWM (4 ports)
 - eCSPI3

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-10 10:33:36 +08:00
Otavio Salvador bb1ff7ed6c ARM: dts: imx7d-pico: Improve WiFi regulator name 
There are different models of WiFi being used in the SoM and the
handle name was too restrictive. This reworks it to a more generic and
meaningful name.

Signed-off-by: Otavio Salvador <otavio@ossystems.com.br>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
 2018-12-10 10:33:36 +08:00