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64311 Commits

Author SHA1 Message Date
Linus Torvalds d25f27432f ARM: SoC fixes for 5.15, part 3
One last set of small fixes for the soc tree:
 
  - Incorrect ethernet phy settings found on i.mx and
    allwinner platforms
 
  - a revert for a Qualcomm DT change that caused a boot
    regression
 
  - four patches for incorrect settings in i.MX DT files
 
  - new MAINTAINER file entries for dhcom boards
 
  - a Kconfig fix for a reset driver that became unselectable
 
  - three more code changes for bugs in reset drivers
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Merge tag 'arm-soc-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "One last set of small fixes for the soc tree:

   - Incorrect ethernet phy settings found on i.mx and allwinner
     platforms

   - a revert for a Qualcomm DT change that caused a boot regression

   - four patches for incorrect settings in i.MX DT files

   - new MAINTAINER file entries for dhcom boards

   - a Kconfig fix for a reset driver that became unselectable

   - three more code changes for bugs in reset drivers"

* tag 'arm-soc-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  MAINTAINERS: Add maintainers for DHCOM i.MX6 and DHCOM/DHCOR STM32MP1
  Revert "arm64: dts: qcom: sm8250: remove bus clock from the mdss node for sm8250 target"
  arm64: dts: imx8mm-kontron: Fix connection type for VSC8531 RGMII PHY
  arm64: dts: imx8mm-kontron: Fix CAN SPI clock frequency
  arm64: dts: imx8mm-kontron: Fix polarity of reg_rst_eth2
  arm64: dts: imx8mm-kontron: Set lower limit of VDD_SNVS to 800 mV
  arm64: dts: imx8mm-kontron: Make sure SOC and DRAM supply voltages are correct
  reset: socfpga: add empty driver allowing consumers to probe
  reset: tegra-bpmp: Handle errors in BPMP response
  reset: pistachio: Re-enable driver selection
  reset: brcmstb-rescal: fix incorrect polarity of status bit
  ARM: dts: sun7i: A20-olinuxino-lime2: Fix ethernet phy-mode
  arm64: dts: allwinner: h5: NanoPI Neo 2: Fix ethernet node
2021-10-26 15:24:33 -07:00
Linus Torvalds c2b43854aa ARM updates for 5.15:
- Fix clang-related relocation warning in futex code
 - Fix incorrect use of get_kernel_nofault()
 - Fix bad code generation in __get_user_check() when kasan is enabled
 - Ensure TLB function table is correctly aligned
 - Remove duplicated string function definitions in decompressor
 - Fix link-time orphan section warnings
 - Fix old-style function prototype for arch_init_kprobes()
 - Only warn about XIP address when not compile testing
 - Handle BE32 big endian for keystone2 remapping
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Merge tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm

Pull ARM fixes from Russell King:

 - Fix clang-related relocation warning in futex code

 - Fix incorrect use of get_kernel_nofault()

 - Fix bad code generation in __get_user_check() when kasan is enabled

 - Ensure TLB function table is correctly aligned

 - Remove duplicated string function definitions in decompressor

 - Fix link-time orphan section warnings

 - Fix old-style function prototype for arch_init_kprobes()

 - Only warn about XIP address when not compile testing

 - Handle BE32 big endian for keystone2 remapping

* tag 'for-linus' of git://git.armlinux.org.uk/~rmk/linux-arm:
  ARM: 9148/1: handle CONFIG_CPU_ENDIAN_BE32 in arch/arm/kernel/head.S
  ARM: 9141/1: only warn about XIP address when not compile testing
  ARM: 9139/1: kprobes: fix arch_init_kprobes() prototype
  ARM: 9138/1: fix link warning with XIP + frame-pointer
  ARM: 9134/1: remove duplicate memcpy() definition
  ARM: 9133/1: mm: proc-macros: ensure *_tlb_fns are 4B aligned
  ARM: 9132/1: Fix __get_user_check failure with ARM KASAN images
  ARM: 9125/1: fix incorrect use of get_kernel_nofault()
  ARM: 9122/1: select HAVE_FUTEX_CMPXCHG
2021-10-25 10:28:52 -07:00
LABBE Corentin 00568b8a63 ARM: 9148/1: handle CONFIG_CPU_ENDIAN_BE32 in arch/arm/kernel/head.S
My intel-ixp42x-welltech-epbx100 no longer boot since 4.14.
This is due to commit 463dbba4d1 ("ARM: 9104/2: Fix Keystone 2 kernel
mapping regression")
which forgot to handle CONFIG_CPU_ENDIAN_BE32 as possible BE config.

Suggested-by: Krzysztof Hałasa <khalasa@piap.pl>
Fixes: 463dbba4d1 ("ARM: 9104/2: Fix Keystone 2 kernel mapping regression")
Signed-off-by: Corentin Labbe <clabbe.montjoie@gmail.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2021-10-25 13:11:34 +01:00
Arnd Bergmann e23c7487f5 Two patches to fix the GMAC PHY mode on some boards.
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Merge tag 'sunxi-fixes-for-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes

Two patches to fix the GMAC PHY mode on some boards.

* tag 'sunxi-fixes-for-5.15-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  ARM: dts: sun7i: A20-olinuxino-lime2: Fix ethernet phy-mode
  arm64: dts: allwinner: h5: NanoPI Neo 2: Fix ethernet node

Link: https://lore.kernel.org/r/d4c41c71-f1ff-4464-a26f-1bfd4b52fd78.lettre@localhost
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-20 15:51:38 +02:00
Arnd Bergmann 48ccc8edf5 ARM: 9141/1: only warn about XIP address when not compile testing
In randconfig builds, we sometimes come across this warning:

arm-linux-gnueabi-ld: XIP start address may cause MPU programming issues

While this is helpful for actual systems to figure out why it
fails, the warning does not provide any benefit for build testing,
so guard it in a check for CONFIG_COMPILE_TEST, which is usually
set on randconfig builds.

Fixes: 216218308c ("ARM: 8713/1: NOMMU: Support MPU in XIP configuration")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2021-10-19 10:39:50 +01:00
Arnd Bergmann 1f323127ca ARM: 9139/1: kprobes: fix arch_init_kprobes() prototype
With extra warnings enabled, gcc complains about this function
definition:

arch/arm/probes/kprobes/core.c: In function 'arch_init_kprobes':
arch/arm/probes/kprobes/core.c:465:12: warning: old-style function definition [-Wold-style-definition]
  465 | int __init arch_init_kprobes()

Link: https://lore.kernel.org/all/20201027093057.c685a14b386acacb3c449e3d@kernel.org/

Fixes: 24ba613c9d ("ARM kprobes: core code")
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2021-10-19 10:39:50 +01:00
Arnd Bergmann 44cc6412e6 ARM: 9138/1: fix link warning with XIP + frame-pointer
When frame pointers are used instead of the ARM unwinder,
and the kernel is built using clang with an external assembler
and CONFIG_XIP_KERNEL, every file produces two warnings
like:

arm-linux-gnueabi-ld: warning: orphan section `.ARM.extab' from `net/mac802154/util.o' being placed in section `.ARM.extab'
arm-linux-gnueabi-ld: warning: orphan section `.ARM.exidx' from `net/mac802154/util.o' being placed in section `.ARM.exidx'

The same fix was already merged for the normal (non-XIP)

linker script, with a longer description.

Fixes: c39866f268 ("arm/build: Always handle .ARM.exidx and .ARM.extab sections")
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2021-10-19 10:38:22 +01:00
Arnd Bergmann eaf6cc7165 ARM: 9134/1: remove duplicate memcpy() definition
Both the decompressor code and the kasan logic try to override
the memcpy() and memmove()  definitions, which leading to a clash
in a KASAN-enabled kernel with XZ decompression:

arch/arm/boot/compressed/decompress.c:50:9: error: 'memmove' macro redefined [-Werror,-Wmacro-redefined]
 #define memmove memmove
        ^
arch/arm/include/asm/string.h:59:9: note: previous definition is here
 #define memmove(dst, src, len) __memmove(dst, src, len)
        ^
arch/arm/boot/compressed/decompress.c:51:9: error: 'memcpy' macro redefined [-Werror,-Wmacro-redefined]
 #define memcpy memcpy
        ^
arch/arm/include/asm/string.h:58:9: note: previous definition is here
 #define memcpy(dst, src, len) __memcpy(dst, src, len)
        ^

Here we want the set of functions from the decompressor, so undefine
the other macros before the override.

Link: https://lore.kernel.org/linux-arm-kernel/CACRpkdZYJogU_SN3H9oeVq=zJkRgRT1gDz3xp59gdqWXxw-B=w@mail.gmail.com/
Link: https://lore.kernel.org/lkml/202105091112.F5rmd4By-lkp@intel.com/

Fixes: d6d51a96c7 ("ARM: 9014/2: Replace string mem* functions for KASan")
Fixes: a7f464f3db ("ARM: 7001/2: Wire up support for the XZ decompressor")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2021-10-19 10:37:36 +01:00
Nick Desaulniers e6a0c958bd ARM: 9133/1: mm: proc-macros: ensure *_tlb_fns are 4B aligned
A kernel built with CONFIG_THUMB2_KERNEL=y and using clang as the
assembler could generate non-naturally-aligned v7wbi_tlb_fns which
results in a boot failure. The original commit adding the macro missed
the .align directive on this data.

Link: https://github.com/ClangBuiltLinux/linux/issues/1447
Link: https://lore.kernel.org/all/0699da7b-354f-aecc-a62f-e25693209af4@linaro.org/
Debugged-by: Ard Biesheuvel <ardb@kernel.org>
Debugged-by: Nathan Chancellor <nathan@kernel.org>
Debugged-by: Richard Henderson <richard.henderson@linaro.org>

Fixes: 66a625a881 ("ARM: mm: proc-macros: Add generic proc/cache/tlb struct definition macros")
Suggested-by: Ard Biesheuvel <ardb@kernel.org>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2021-10-19 10:37:35 +01:00
Lexi Shao df909df077 ARM: 9132/1: Fix __get_user_check failure with ARM KASAN images
ARM: kasan: Fix __get_user_check failure with kasan

In macro __get_user_check defined in arch/arm/include/asm/uaccess.h,
error code is store in register int __e(r0). When kasan is
enabled, assigning value to kernel address might trigger kasan check,
which unexpectedly overwrites r0 and causes undefined behavior on arm
kasan images.

One example is failure in do_futex and results in process soft lockup.
Log:
watchdog: BUG: soft lockup - CPU#0 stuck for 62946ms! [rs:main
Q:Reg:1151]
...
(__asan_store4) from (futex_wait_setup+0xf8/0x2b4)
(futex_wait_setup) from (futex_wait+0x138/0x394)
(futex_wait) from (do_futex+0x164/0xe40)
(do_futex) from (sys_futex_time32+0x178/0x230)
(sys_futex_time32) from (ret_fast_syscall+0x0/0x50)

The soft lockup happens in function futex_wait_setup. The reason is
function get_futex_value_locked always return EINVAL, thus pc jump
back to retry label and causes looping.

This line in function get_futex_value_locked
	ret = __get_user(*dest, from);
is expanded to
	*dest = (typeof(*(p))) __r2; ,
in macro __get_user_check. Writing to pointer dest triggers kasan check
and overwrites the return value of __get_user_x function.
The assembly code of get_futex_value_locked in kernel/futex.c:
...
c01f6dc8:       eb0b020e        bl      c04b7608 <__get_user_4>
// "x = (typeof(*(p))) __r2;" triggers kasan check and r0 is overwritten
c01f6dCc:       e1a00007        mov     r0, r7
c01f6dd0:       e1a05002        mov     r5, r2
c01f6dd4:       eb04f1e6        bl      c0333574 <__asan_store4>
c01f6dd8:       e5875000        str     r5, [r7]
// save ret value of __get_user(*dest, from), which is dest address now
c01f6ddc:       e1a05000        mov     r5, r0
...
// checking return value of __get_user failed
c01f6e00:       e3550000        cmp     r5, #0
...
c01f6e0c:       01a00005        moveq   r0, r5
// assign return value to EINVAL
c01f6e10:       13e0000d        mvnne   r0, #13

Return value is the destination address of get_user thus certainly
non-zero, so get_futex_value_locked always return EINVAL.

Fix it by using a tmp vairable to store the error code before the
assignment. This fix has no effects to non-kasan images thanks to compiler
optimization. It only affects cases that overwrite r0 due to kasan check.

This should fix bug discussed in Link:
[1] https://lore.kernel.org/linux-arm-kernel/0ef7c2a5-5d8b-c5e0-63fa-31693fd4495c@gmail.com/

Fixes: 421015713b ("ARM: 9017/2: Enable KASan for ARM")
Signed-off-by: Lexi Shao <shaolexi@huawei.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2021-10-19 10:37:35 +01:00
Ard Biesheuvel 00d43d13da ARM: 9125/1: fix incorrect use of get_kernel_nofault()
Commit 344179fc7e ("ARM: 9106/1: traps: use get_kernel_nofault instead
of set_fs()") replaced an occurrence of __get_user() with
get_kernel_nofault(), but inverted the sense of the conditional in the
process, resulting in no values to be printed at all.

I.e., every exception stack now looks like this:

Exception stack(0xc18d1fb0 to 0xc18d1ff8)
1fa0:                                     ???????? ???????? ???????? ????????
1fc0: ???????? ???????? ???????? ???????? ???????? ???????? ???????? ????????
1fe0: ???????? ???????? ???????? ???????? ???????? ????????

which is rather unhelpful.

Fixes: 344179fc7e ("ARM: 9106/1: traps: use get_kernel_nofault instead of set_fs()")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2021-10-19 10:37:34 +01:00
Nick Desaulniers 9d417cbe36 ARM: 9122/1: select HAVE_FUTEX_CMPXCHG
tglx notes:
  This function [futex_detect_cmpxchg] is only needed when an
  architecture has to runtime discover whether the CPU supports it or
  not.  ARM has unconditional support for this, so the obvious thing to
  do is the below.

Fixes linkage failure from Clang randconfigs:
kernel/futex.o:(.text.fixup+0x5c): relocation truncated to fit: R_ARM_JUMP24 against `.init.text'
and boot failures for CONFIG_THUMB2_KERNEL.

Link: https://github.com/ClangBuiltLinux/linux/issues/325

Comments from Nick Desaulniers:

 See-also: 03b8c7b623 ("futex: Allow architectures to skip
 futex_atomic_cmpxchg_inatomic() test")

Reported-by: Arnd Bergmann <arnd@arndb.de>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Cc: stable@vger.kernel.org # v3.14+
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
2021-10-19 10:37:34 +01:00
Linus Torvalds cf52ad5ff1 Driver core fixes for 5.15-rc6
Here are some small driver core fixes for 5.15-rc6, all of which have
 been in linux-next for a while with no reported issues.
 
 They include:
 	- kernfs negative dentry bugfix
 	- simple pm bus fixes to resolve reported issues
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg KH:
 "Here are some small driver core fixes for 5.15-rc6, all of which have
  been in linux-next for a while with no reported issues.

  They include:

   - kernfs negative dentry bugfix

   - simple pm bus fixes to resolve reported issues"

* tag 'driver-core-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  drivers: bus: Delete CONFIG_SIMPLE_PM_BUS
  drivers: bus: simple-pm-bus: Add support for probing simple bus only devices
  driver core: Reject pointless SYNC_STATE_ONLY device links
  kernfs: don't create a negative dentry if inactive node exists
2021-10-17 17:17:28 -10:00
Linus Torvalds f04298169d ARM: SoC fixes for 5.15, part 2
A small number fixes this time, mostly touching actual code:
 
  - Add platform device for i.MX System Reset Controller (SRC) to fix
    a regression caused by fw_devlink change.
 
  - A fixup for a boot regression caused by my own rework for the
    Qualcomm SCM driver.
 
  - Multiple bugfixes for the Arm FFA and optee firmware drivers,
    addressing problems when they are built as a loadable module.
 
  - Four dts bugfixes for the Broadcom SoC used in Raspberry pi, addressing
    VEC (video encoder), MDIO bus controller #address-cells/#size-cells,
    SDIO voltage and PCIe host bridge dtc warnings.
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'arm-soc-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "A small number fixes this time, mostly touching actual code:

   - Add platform device for i.MX System Reset Controller (SRC) to
     fix a regression caused by fw_devlink change

   - A fixup for a boot regression caused by my own rework for the
     Qualcomm SCM driver

   - Multiple bugfixes for the Arm FFA and optee firmware drivers,
     addressing problems when they are built as a loadable module

   - Four dts bugfixes for the Broadcom SoC used in Raspberry pi,
     addressing VEC (video encoder), MDIO bus controller
     #address-cells/#size-cells, SDIO voltage and PCIe host bridge
     dtc warnings"

* tag 'arm-soc-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
  ARM: imx: register reset controller from a platform driver
  iommu/arm: fix ARM_SMMU_QCOM compilation
  ARM: dts: bcm2711-rpi-4-b: Fix usb's unit address
  ARM: dts: bcm2711-rpi-4-b: Fix pcie0's unit address formatting
  tee: optee: Fix missing devices unregister during optee_remove
  ARM: dts: bcm2711-rpi-4-b: fix sd_io_1v8_reg regulator states
  ARM: dts: bcm2711: fix MDIO #address- and #size-cells
  ARM: dts: bcm283x: Fix VEC address for BCM2711
  firmware: arm_ffa: Fix __ffa_devices_unregister
  firmware: arm_ffa: Add missing remove callback to ffa_bus_type
2021-10-16 09:05:58 -07:00
Arnd Bergmann 011ace4a7f i.MX fixes for 5.15, round 3:
- Add platform device for i.MX System Reset Controller (SRC) to fix
   a regression caused by fw_devlink change.
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Merge tag 'imx-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.15, round 3:

- Add platform device for i.MX System Reset Controller (SRC) to fix
  a regression caused by fw_devlink change.

* tag 'imx-fixes-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx: register reset controller from a platform driver

Link: https://lore.kernel.org/r/20211015070017.GI22881@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-15 20:48:08 +02:00
Philipp Zabel a1467faa10 ARM: imx: register reset controller from a platform driver
Starting with commit 6b2117ad65 ("of: property: fw_devlink: Add
support for "resets" and "pwms""), the imx-drm driver fails to load
due to forever dormant devlinks to the reset-controller node. This
node was never associated with a struct device.

Add a platform device to allow fw_devnode to activate the devlinks.

Fixes: 6b2117ad65 ("of: property: fw_devlink: Add support for "resets" and "pwms"")
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Tested-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-10-15 09:38:06 +08:00
Linus Torvalds ec681c53f8 Networking fixes for 5.15-rc6.
Current release - regressions:
 
  - af_unix: rename UNIX-DGRAM to UNIX to maintain backwards compatibility
 
  - procfs: revert "add seq_puts() statement for dev_mcast",
    minor format change broke user space
 
 Current release - new code bugs:
 
  - dsa: fix bridge_num not getting cleared after ports leaving
    the bridge, resource leak
 
  - dsa: tag_dsa: send packets with TX fwd offload from VLAN-unaware
    bridges using VID 0, prevent packet drops if pvid is removed
 
  - dsa: mv88e6xxx: keep the pvid at 0 when VLAN-unaware, prevent
    HW getting confused about station to VLAN mapping
 
 Previous releases - regressions:
 
  - virtio-net: fix for skb_over_panic inside big mode
 
  - phy: do not shutdown PHYs in READY state
 
  - dsa: mv88e6xxx: don't use PHY_DETECT on internal PHY's,
    fix link LED staying lit after ifdown
 
  - mptcp: fix possible infinite wait on recvmsg(MSG_WAITALL)
 
  - mqprio: Correct stats in mqprio_dump_class_stats()
 
  - ice: fix deadlock for Tx timestamp tracking flush
 
  - stmmac: fix feature detection on old hardware
 
 Previous releases - always broken:
 
  - sctp: account stream padding length for reconf chunk
 
  - icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe()
 
  - isdn: cpai: check ctr->cnr to avoid array index out of bound
 
  - isdn: mISDN: fix sleeping function called from invalid context
 
  - nfc: nci: fix potential UAF of rf_conn_info object
 
  - dsa: microchip: prevent ksz_mib_read_work from kicking back
    in after it's canceled in .remove and crashing
 
  - dsa: mv88e6xxx: isolate the ATU databases of standalone and
    bridged ports
 
  - dsa: sja1105, ocelot: break circular dependency between switch
    and tag drivers
 
  - dsa: felix: improve timestamping in presence of packe loss
 
  - mlxsw: thermal: fix out-of-bounds memory accesses
 
 Misc:
 
  - ipv6: ioam: move the check for undefined bits to improve
    interoperability
 
 Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge tag 'net-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Pull networking fixes from Jakub Kicinski:
 "Quite calm.

  The noisy DSA driver (embedded switches) changes, and adjustment to
  IPv6 IOAM behavior add to diffstat's bottom line but are not scary.

  Current release - regressions:

   - af_unix: rename UNIX-DGRAM to UNIX to maintain backwards
     compatibility

   - procfs: revert "add seq_puts() statement for dev_mcast", minor
     format change broke user space

  Current release - new code bugs:

   - dsa: fix bridge_num not getting cleared after ports leaving the
     bridge, resource leak

   - dsa: tag_dsa: send packets with TX fwd offload from VLAN-unaware
     bridges using VID 0, prevent packet drops if pvid is removed

   - dsa: mv88e6xxx: keep the pvid at 0 when VLAN-unaware, prevent HW
     getting confused about station to VLAN mapping

  Previous releases - regressions:

   - virtio-net: fix for skb_over_panic inside big mode

   - phy: do not shutdown PHYs in READY state

   - dsa: mv88e6xxx: don't use PHY_DETECT on internal PHY's, fix link
     LED staying lit after ifdown

   - mptcp: fix possible infinite wait on recvmsg(MSG_WAITALL)

   - mqprio: Correct stats in mqprio_dump_class_stats()

   - ice: fix deadlock for Tx timestamp tracking flush

   - stmmac: fix feature detection on old hardware

  Previous releases - always broken:

   - sctp: account stream padding length for reconf chunk

   - icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe()

   - isdn: cpai: check ctr->cnr to avoid array index out of bound

   - isdn: mISDN: fix sleeping function called from invalid context

   - nfc: nci: fix potential UAF of rf_conn_info object

   - dsa: microchip: prevent ksz_mib_read_work from kicking back in
     after it's canceled in .remove and crashing

   - dsa: mv88e6xxx: isolate the ATU databases of standalone and bridged
     ports

   - dsa: sja1105, ocelot: break circular dependency between switch and
     tag drivers

   - dsa: felix: improve timestamping in presence of packe loss

   - mlxsw: thermal: fix out-of-bounds memory accesses

  Misc:

   - ipv6: ioam: move the check for undefined bits to improve
     interoperability"

* tag 'net-5.15-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (60 commits)
  icmp: fix icmp_ext_echo_iio parsing in icmp_build_probe
  MAINTAINERS: Update the devicetree documentation path of imx fec driver
  sctp: account stream padding length for reconf chunk
  mlxsw: thermal: Fix out-of-bounds memory accesses
  ethernet: s2io: fix setting mac address during resume
  NFC: digital: fix possible memory leak in digital_in_send_sdd_req()
  NFC: digital: fix possible memory leak in digital_tg_listen_mdaa()
  nfc: fix error handling of nfc_proto_register()
  Revert "net: procfs: add seq_puts() statement for dev_mcast"
  net: encx24j600: check error in devm_regmap_init_encx24j600
  net: korina: select CRC32
  net: arc: select CRC32
  net: dsa: felix: break at first CPU port during init and teardown
  net: dsa: tag_ocelot_8021q: fix inability to inject STP BPDUs into BLOCKING ports
  net: dsa: felix: purge skb from TX timestamping queue if it cannot be sent
  net: dsa: tag_ocelot_8021q: break circular dependency with ocelot switch lib
  net: dsa: tag_ocelot: break circular dependency with ocelot switch lib driver
  net: mscc: ocelot: cross-check the sequence id from the timestamp FIFO with the skb PTP header
  net: mscc: ocelot: deny TX timestamping of non-PTP packets
  net: mscc: ocelot: warn when a PTP IRQ is raised for an unknown skb
  ...
2021-10-14 18:21:39 -04:00
Arnd Bergmann 0470512952 This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.15, please pull the following:
 
 - Stefan fixes the VEC (video encoder) bus address for 2711, fixes the
   MDIO bus controller #address-cells/#size-cells inversion and the SDIO
   regulator voltage ranges
 
 - Nicolas fixes DTC warnings for the PCIe host bridge and its child
   USB device
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Merge tag 'arm-soc/for-5.15/devicetree' of https://github.com/Broadcom/stblinux into arm/fixes

This pull request contains Broadcom ARM-based SoCs Device Tree fixes for
5.15, please pull the following:

- Stefan fixes the VEC (video encoder) bus address for 2711, fixes the
  MDIO bus controller #address-cells/#size-cells inversion and the SDIO
  regulator voltage ranges

- Nicolas fixes DTC warnings for the PCIe host bridge and its child
  USB device

* tag 'arm-soc/for-5.15/devicetree' of https://github.com/Broadcom/stblinux:
  ARM: dts: bcm2711-rpi-4-b: Fix usb's unit address
  ARM: dts: bcm2711-rpi-4-b: Fix pcie0's unit address formatting
  ARM: dts: bcm2711-rpi-4-b: fix sd_io_1v8_reg regulator states
  ARM: dts: bcm2711: fix MDIO #address- and #size-cells
  ARM: dts: bcm283x: Fix VEC address for BCM2711

Link: https://lore.kernel.org/r/20211012213841.1872021-1-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-13 20:57:14 +02:00
Nicolas Saenz Julienne 3f32472854 ARM: dts: bcm2711-rpi-4-b: Fix usb's unit address
The unit address is supposed to represent '<device>,<function>'. Which
are both 0 for RPi4b's XHCI controller. On top of that although
OpenFirmware states bus number goes in the high part of the last reg
parameter, FDT doesn't seem to care for it[1], so remove it.

[1] https://patchwork.kernel.org/project/linux-arm-kernel/patch/20210830103909.323356-1-nsaenzju@redhat.com/#24414633
Fixes: 258f92d2f8 ("ARM: dts: bcm2711: Add reset controller to xHCI node")
Suggested-by: Rob Herring <robh@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210831125843.1233488-2-nsaenzju@redhat.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
2021-10-12 09:14:26 -07:00
Nicolas Saenz Julienne 13dbc954b3 ARM: dts: bcm2711-rpi-4-b: Fix pcie0's unit address formatting
dtbs_check currently complains that:

arch/arm/boot/dts/bcm2711-rpi-4-b.dts:220.10-231.4: Warning
(pci_device_reg): /scb/pcie@7d500000/pci@1,0: PCI unit address format
error, expected "0,0"

Unsurprisingly pci@0,0 is the right address, as illustrated by its reg
property:

    &pcie0 {
	    pci@0,0 {
		    /*
		     * As defined in the IEEE Std 1275-1994 document,
		     * reg is a five-cell address encoded as (phys.hi
		     * phys.mid phys.lo size.hi size.lo). phys.hi
		     * should contain the device's BDF as 0b00000000
		     * bbbbbbbb dddddfff 00000000. The other cells
		     * should be zero.
		     */
		    reg = <0 0 0 0 0>;
	    };
    };

The device is clearly 0. So fix it.

Also add a missing 'device_type = "pci"'.

Fixes: 258f92d2f8 ("ARM: dts: bcm2711: Add reset controller to xHCI node")
Suggested-by: Rob Herring <robh@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20210831125843.1233488-1-nsaenzju@redhat.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
2021-10-12 09:14:16 -07:00
Linus Torvalds 0dcf60d001 asm-generic: build fixes for v5.15
There is one build fix for Arm platforms that ended up impacting most
 architectures because of the way the drivers/firmware Kconfig file is
 wired up:
 
 The CONFIG_QCOM_SCM dependency have caused a number of randconfig
 regressions over time, and some still remain in v5.15-rc4. The
 fix we agreed on in the end is to make this symbol selected by any
 driver using it, and then building it even for non-Arm platforms with
 CONFIG_COMPILE_TEST.
 
 To make this work on all architectures, the drivers/firmware/Kconfig
 file needs to be included for all architectures to make the symbol
 itself visible.
 
 In a separate discussion, we found that a sound driver patch that is
 pending for v5.16 needs the same change to include this Kconfig file,
 so the easiest solution seems to have my Kconfig rework included in v5.15.
 
 There is a small merge conflict against an earlier partial fix for the
 QCOM_SCM dependency problems.
 
 Finally, the branch also includes a small unrelated build fix for NOMMU
 architectures.
 
 Link: https://lore.kernel.org/all/20210928153508.101208f8@canb.auug.org.au/
 Link: https://lore.kernel.org/all/20210928075216.4193128-1-arnd@kernel.org/
 Link: https://lore.kernel.org/all/20211007151010.333516-1-arnd@kernel.org/
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'asm-generic-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic

Pull asm-generic fixes from Arnd Bergmann:
 "There is one build fix for Arm platforms that ended up impacting most
  architectures because of the way the drivers/firmware Kconfig file is
  wired up:

  The CONFIG_QCOM_SCM dependency have caused a number of randconfig
  regressions over time, and some still remain in v5.15-rc4. The fix we
  agreed on in the end is to make this symbol selected by any driver
  using it, and then building it even for non-Arm platforms with
  CONFIG_COMPILE_TEST.

  To make this work on all architectures, the drivers/firmware/Kconfig
  file needs to be included for all architectures to make the symbol
  itself visible.

  In a separate discussion, we found that a sound driver patch that is
  pending for v5.16 needs the same change to include this Kconfig file,
  so the easiest solution seems to have my Kconfig rework included in
  v5.15.

  Finally, the branch also includes a small unrelated build fix for
  NOMMU architectures"

Link: https://lore.kernel.org/all/20210928153508.101208f8@canb.auug.org.au/
Link: https://lore.kernel.org/all/20210928075216.4193128-1-arnd@kernel.org/
Link: https://lore.kernel.org/all/20211007151010.333516-1-arnd@kernel.org/

* tag 'asm-generic-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
  asm-generic/io.h: give stub iounmap() on !MMU same prototype as elsewhere
  qcom_scm: hide Kconfig symbol
  firmware: include drivers/firmware/Kconfig unconditionally
2021-10-08 11:57:54 -07:00
Herve Codina 6636fec29c ARM: dts: spear3xx: Fix gmac node
On SPEAr3xx, ethernet driver is not compatible with the SPEAr600
one.
Indeed, SPEAr3xx uses an earlier version of this IP (v3.40) and
needs some driver tuning compare to SPEAr600.

The v3.40 IP support was added to stmmac driver and this patch
fixes this issue and use the correct compatible string for
SPEAr3xx

Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-08 16:22:39 +01:00
Linus Torvalds 3e899c7209 ARM: SoC fixes for v5.15
This is a larger than normal update for Arm SoC specific code, most
 of it in device trees, but also drivers and the omap and at91/sama7
 platforms:
 
  - There are four new entries to the MAINTAINERS file: Sven Peter and
    Alyssa Rosenzweig for Apple M1, Romain Perier for Mstar/sigmastar,
    and Vignesh Raghavendra for TI K3
 
  - Build fixes to address randconfig warnings in sharpsl, dove, omap1,
    and qcom platforms as well as the  scmi and op-tee subsystems
 
  - Regression fixes for missing CONFIG_FB and other options for several
    defconfigs
 
  - Several bug fixes for the newly added Microchip SAMA7 platform,
    mostly regarding power management
 
  - Missing SMP barriers to protect accesses to SCMI virtio device
 
  - Regression fixes for TI OMAP, including a boot-time hang on am335x.
 
  - Lots of bug fixes for NXP i.MX, mostly addressing incorrect settings
    in devicetree files, and one revert for broken suspend.
 
  - Fixes for ARM Juno/Vexpress devicetree files, addressing a couple
    of schema warnings.
 
  - Regression fixes for qualcomm SoC specific drivers and devicetree
    files, reverting an mdt_loader change and at least pastially
    reverting some of the 5.15 DTS changes, plus some minor bugfixes
 
 Signed-off-by: Arnd Bergmann <arnd@arndb.de>
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Merge tag 'armsoc-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc

Pull ARM SoC fixes from Arnd Bergmann:
 "This is a larger than normal update for Arm SoC specific code, most of
  it in device trees, but also drivers and the omap and at91/sama7
  platforms:

   - There are four new entries to the MAINTAINERS file: Sven Peter and
     Alyssa Rosenzweig for Apple M1, Romain Perier for Mstar/sigmastar,
     and Vignesh Raghavendra for TI K3

   - Build fixes to address randconfig warnings in sharpsl, dove, omap1,
     and qcom platforms as well as the scmi and op-tee subsystems

   - Regression fixes for missing CONFIG_FB and other options for
     several defconfigs

   - Several bug fixes for the newly added Microchip SAMA7 platform,
     mostly regarding power management

   - Missing SMP barriers to protect accesses to SCMI virtio device

   - Regression fixes for TI OMAP, including a boot-time hang on am335x.

   - Lots of bug fixes for NXP i.MX, mostly addressing incorrect
     settings in devicetree files, and one revert for broken suspend.

   - Fixes for ARM Juno/Vexpress devicetree files, addressing a couple
     of schema warnings.

   - Regression fixes for qualcomm SoC specific drivers and devicetree
     files, reverting an mdt_loader change and at least pastially
     reverting some of the 5.15 DTS changes, plus some minor bugfixes"

* tag 'armsoc-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (64 commits)
  MAINTAINERS: Add Sven Peter as ARM/APPLE MACHINE maintainer
  MAINTAINERS: Add Alyssa Rosenzweig as M1 reviewer
  firmware: arm_scmi: Add proper barriers to scmi virtio device
  firmware: arm_scmi: Simplify spinlocks in virtio transport
  ARM: dts: omap3430-sdp: Fix NAND device node
  bus: ti-sysc: Use CLKDM_NOAUTO for dra7 dcan1 for errata i893
  ARM: sharpsl_param: work around -Wstringop-overread warning
  ARM: defconfig: gemini: Restore framebuffer
  ARM: dove: mark 'putc' as inline
  ARM: omap1: move omap15xx local bus handling to usb.c
  MAINTAINERS: Add Vignesh to TI K3 platform maintainership
  arm64: dts: imx8m*-venice-gw7902: fix M2_RST# gpio
  ARM: imx6: disable the GIC CPU interface before calling stby-poweroff sequence
  arm64: dts: ls1028a: fix eSDHC2 node
  arm64: dts: imx8mm-kontron-n801x-som: do not allow to switch off buck2
  ARM: dts: at91: sama7g5ek: to not touch slew-rate for SDMMC pins
  ARM: dts: at91: sama7g5ek: use proper slew-rate settings for GMACs
  ARM: at91: pm: preload base address of controllers in tlb
  ARM: at91: pm: group constants and addresses loading
  ARM: dts: at91: sama7g5ek: add suspend voltage for ddr3l rail
  ...
2021-10-07 14:01:29 -07:00
Arnd Bergmann 3c7f58b353 Fixes for omaps for v5.15
Few regression fixes for omaps for the v5.15-rc cycle. There is a fix
 for boot time hangs that can happen on some am335x devices that started
 when the pruss devicetree nodes were added. The other fixes are less
 critical:
 
 - Fix compiler warning for sysc_init_soc() that got recently introduced
 
 - Fix external abort for am335x pruss as otherwise some am335x will hang
 
 - Use CLKDM_NOAUTO quirk also for dra7 dcan1
 
 - Fix older NAND device node regression for omap3-sdp
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Merge tag 'omap-for-v5.15/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into arm/fixes

Fixes for omaps for v5.15

Few regression fixes for omaps for the v5.15-rc cycle. There is a fix
for boot time hangs that can happen on some am335x devices that started
when the pruss devicetree nodes were added. The other fixes are less
critical:

- Fix compiler warning for sysc_init_soc() that got recently introduced

- Fix external abort for am335x pruss as otherwise some am335x will hang

- Use CLKDM_NOAUTO quirk also for dra7 dcan1

- Fix older NAND device node regression for omap3-sdp

* tag 'omap-for-v5.15/fixes-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap:
  ARM: dts: omap3430-sdp: Fix NAND device node
  bus: ti-sysc: Use CLKDM_NOAUTO for dra7 dcan1 for errata i893
  soc: ti: omap-prm: Fix external abort for am335x pruss
  bus: ti-sysc: Add break in switch statement in sysc_init_soc()

Link: https://lore.kernel.org/r/pull-1633609552-789682@atomide.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-07 21:13:57 +02:00
Arnd Bergmann 951cd3a086
firmware: include drivers/firmware/Kconfig unconditionally
Compile-testing drivers that require access to a firmware layer
fails when that firmware symbol is unavailable. This happened
twice this week:

 - My proposed to change to rework the QCOM_SCM firmware symbol
   broke on ppc64 and others.

 - The cs_dsp firmware patch added device specific firmware loader
   into drivers/firmware, which broke on the same set of
   architectures.

We should probably do the same thing for other subsystems as well,
but fix this one first as this is a dependency for other patches
getting merged.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Acked-by: Will Deacon <will@kernel.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Mark Brown <broonie@kernel.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Charles Keepax <ckeepax@opensource.cirrus.com>
Cc: Simon Trimmer <simont@opensource.cirrus.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-07 16:51:26 +02:00
Jakub Kicinski 7671b026bb Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf
Daniel Borkmann says:

====================
pull-request: bpf 2021-10-07

We've added 7 non-merge commits during the last 8 day(s) which contain
a total of 8 files changed, 38 insertions(+), 21 deletions(-).

The main changes are:

1) Fix ARM BPF JIT to preserve caller-saved regs for DIV/MOD JIT-internal
   helper call, from Johan Almbladh.

2) Fix integer overflow in BPF stack map element size calculation when
   used with preallocation, from Tatsuhiko Yasumatsu.

3) Fix an AF_UNIX regression due to added BPF sockmap support related
   to shutdown handling, from Jiang Wang.

4) Fix a segfault in libbpf when generating light skeletons from objects
   without BTF, from Kumar Kartikeya Dwivedi.

5) Fix a libbpf memory leak in strset to free the actual struct strset
   itself, from Andrii Nakryiko.

6) Dual-license bpf_insn.h similarly as we did for libbpf and bpftool,
   with ACKs from all contributors, from Luca Boccassi.
====================

Link: https://lore.kernel.org/r/20211007135010.21143-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2021-10-07 07:11:33 -07:00
Arnd Bergmann 2250596374 i.MX fixes for 5.15, round 2:
- A couple of fixes from Haibo Chen to update SPI NOR TX bus width for
   i.MX6 and i.MX8 boards.  This becomes necessary because spi-nor driver
   starts using the setting in DT.
 - Mark buck2 always-on for i.MX8MM Kontron-n801x-som board to avoid the
   core supply being turned off unexpectedly.
 - Fix eSDHC2 device tree settings for LS1028A SoC.
 - Disable GIC CPU interface before calling stby-poweroff sequence to fix
   power-off failure on i.MX6.
 - Fix M2_RST# GPIO pinmux on i.MX8M venice-gw7902 boards.
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Merge tag 'imx-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.15, round 2:

- A couple of fixes from Haibo Chen to update SPI NOR TX bus width for
  i.MX6 and i.MX8 boards.  This becomes necessary because spi-nor driver
  starts using the setting in DT.
- Mark buck2 always-on for i.MX8MM Kontron-n801x-som board to avoid the
  core supply being turned off unexpectedly.
- Fix eSDHC2 device tree settings for LS1028A SoC.
- Disable GIC CPU interface before calling stby-poweroff sequence to fix
  power-off failure on i.MX6.
- Fix M2_RST# GPIO pinmux on i.MX8M venice-gw7902 boards.

* tag 'imx-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  arm64: dts: imx8m*-venice-gw7902: fix M2_RST# gpio
  ARM: imx6: disable the GIC CPU interface before calling stby-poweroff sequence
  arm64: dts: ls1028a: fix eSDHC2 node
  arm64: dts: imx8mm-kontron-n801x-som: do not allow to switch off buck2
  arm64: dts: imx8: change the spi-nor tx
  ARM: dts: imx: change the spi-nor tx

Link: https://lore.kernel.org/r/20211006125734.GA10197@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-06 17:36:34 +02:00
Stefan Wahren b55ec75288 ARM: dts: bcm2711-rpi-4-b: fix sd_io_1v8_reg regulator states
DT schema check complains at sd_io_1v8_reg about the following:

 [1800000, 1, 3300000, 0] is too long
 Additional items are not allowed (3300000, 0 were unexpected)

So fix the states definition.

Fixes: 7dbe8c62ce ("ARM: dts: Add minimal Raspberry Pi 4 support")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1628334401-6577-3-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
2021-10-06 09:49:44 +02:00
Stefan Wahren 2faff6737a ARM: dts: bcm2711: fix MDIO #address- and #size-cells
The values of #address-cells and #size-cells are swapped. Fix this
and avoid the following DT schema warnings for mdio@e14:

 #address-cells:0:0: 1 was expected
 #size-cells:0:0: 0 was expected

Fixes: be8af7a9e3 ("ARM: dts: bcm2711-rpi-4: Enable GENET support")
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1628334401-6577-2-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
2021-10-06 09:49:41 +02:00
Mateusz Kwiatkowski 9287e91e90 ARM: dts: bcm283x: Fix VEC address for BCM2711
The VEC has a different address (0x7ec13000) on the BCM2711 (used in
e.g. Raspberry Pi 4) compared to BCM283x (e.g. Pi 3 and earlier). This
was erroneously not taken account for.

Definition of the VEC in the devicetrees had to be moved from
bcm283x.dtsi to bcm2711.dtsi and bcm2835-common.dtsi to allow for this
differentiation.

Fixes: 7894bdc622 ("ARM: boot: dts: bcm2711: Add BCM2711 VEC compatible")
Signed-off-by: Mateusz Kwiatkowski <kfyatek+publicgit@gmail.com>
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1626980528-3835-1-git-send-email-stefan.wahren@i2se.com
Signed-off-by: Nicolas Saenz Julienne <nsaenz@kernel.org>
2021-10-06 09:49:38 +02:00
Roger Quadros 80d680fdcc ARM: dts: omap3430-sdp: Fix NAND device node
Nand is on CS1 so reg properties first field should be 1 not 0.

Fixes: 44e4716499 ("ARM: dts: omap3: Fix NAND device nodes")
Cc: stable@vger.kernel.org # v4.6+
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2021-10-06 08:05:08 +03:00
Tony Lindgren b13a270ace bus: ti-sysc: Use CLKDM_NOAUTO for dra7 dcan1 for errata i893
Commit 94f6345712 ("bus: ti-sysc: Implement quirk handling for
CLKDM_NOAUTO") should have also added the quirk for dra7 dcan1 in
addition to dcan2 for errata i893 handling.

Let's also pass the quirk flag for legacy mode booting for if "ti,hwmods"
dts property is used with related dcan hwmod data. This should be only
needed if anybody needs to git bisect earlier stable trees though.

Fixes: 94f6345712 ("bus: ti-sysc: Implement quirk handling for CLKDM_NOAUTO")
Signed-off-by: Tony Lindgren <tony@atomide.com>
2021-10-06 08:01:13 +03:00
Saravana Kannan 81967efb5f drivers: bus: Delete CONFIG_SIMPLE_PM_BUS
The simple-pm-bus driver is mandatory for CONFIG_OF based platforms to work
with fw_devlink. So, always compile it in for CONFIG_OF and delete the
config since it's no longer necessary.

Tested-by: Ulf Hansson <ulf.hansson@linaro.org>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20210929000735.585237-3-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-05 17:47:22 +02:00
Arnd Bergmann 34186b48d2
ARM: sharpsl_param: work around -Wstringop-overread warning
gcc warns that accessing a pointer based on a numeric constant may
be an offset into a NULL pointer, and would therefore has zero
accessible bytes:

arch/arm/common/sharpsl_param.c: In function ‘sharpsl_save_param’:
arch/arm/common/sharpsl_param.c:43:9: error: ‘memcpy’ reading 64 bytes from a region of size 0 [-Werror=stringop-overread]
   43 |         memcpy(&sharpsl_param, param_start(PARAM_BASE), sizeof(struct sharpsl_param_info));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

In this particular case, the warning is bogus since this is the actual
pointer, not an offset on a NULL pointer. Add a local variable to shut
up the warning and hope it doesn't come back.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Mack <daniel@zonque.org>
Cc: Daniel Mack <daniel@zonque.org>
Cc: Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>
Link: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99578
Link: https://lore.kernel.org/r/20210927145332.2784005-1-arnd@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:44:56 +02:00
Arnd Bergmann efa767b372 i.MX fixes for 5.15:
- Revert cc8870bf4c to fix the regression on i.MX6 that suspend
   support becomes broken.
 - Add `qca,clk-out-frequency` property to fix Ethernet support on
   imx6qdl-pico board.
 - Re-enable FB support in imx_v6_v7_defconfig.  It gets lost due to
   f611b1e762 ("drm: Avoid circular dependencies for CONFIG_FB").
 - Fix LP5562 LED support on imx6dl-yapp4 board.
 - Add missing pinctrl-names for panel on M53Menlo board.
 - Fix USB host power regulator polarity on M53Menlo board.
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Merge tag 'imx-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into arm/fixes

i.MX fixes for 5.15:

- Revert cc8870bf4c to fix the regression on i.MX6 that suspend
  support becomes broken.
- Add `qca,clk-out-frequency` property to fix Ethernet support on
  imx6qdl-pico board.
- Re-enable FB support in imx_v6_v7_defconfig.  It gets lost due to
  f611b1e762 ("drm: Avoid circular dependencies for CONFIG_FB").
- Fix LP5562 LED support on imx6dl-yapp4 board.
- Add missing pinctrl-names for panel on M53Menlo board.
- Fix USB host power regulator polarity on M53Menlo board.

* tag 'imx-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
  ARM: imx_v6_v7_defconfig: enable fb
  ARM: dts: imx6qdl-pico: Fix Ethernet support
  ARM: dts: imx: Fix USB host power regulator polarity on M53Menlo
  ARM: dts: imx: Add missing pinctrl-names for panel on M53Menlo
  Revert "ARM: imx6q: drop of_platform_default_populate() from init_machine"
  ARM: dts: imx6dl-yapp4: Fix lp5562 LED driver probe

Link: https://lore.kernel.org/r/20210923063356.GK13480@dragon
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:41:15 +02:00
Linus Walleij a694905931
ARM: defconfig: gemini: Restore framebuffer
The framebuffer is gone on the D-Link DIR-685, restore it.

Fixes: f611b1e762 ("drm: Avoid circular dependencies for CONFIG_FB")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Cc: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210922200933.1825752-1-linus.walleij@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:40:52 +02:00
Arnd Bergmann b9af50bcbc ARM: dove: mark 'putc' as inline
This can cause a randconfig warning without the 'inline' flag
that every other platform uses:

In file included from arch/arm/boot/compressed/misc.c:29:
arch/arm/mach-dove/include/mach/uncompress.h:14:13: error: 'putc' defined but not used [-Werror=unused-function]
   14 | static void putc(const char c)
      |             ^~~~

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20210927095343.1015422-1-arnd@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:40:38 +02:00
Arnd Bergmann 94ad8aacbc ARM: omap1: move omap15xx local bus handling to usb.c
Commit 38225f2ef2 ("ARM/omap1: switch to use dma_direct_set_offset for
lbus DMA offsets") removed a lot of mach/memory.h, but left the USB
offset handling split into arch/arm/mach-omap1/usb.c and
drivers/usb/host/ohci-omap.c.

This can cause a randconfig build warning that now fails the build
with -Werror:

arch/arm/mach-omap1/usb.c:561:30: error: 'omap_1510_usb_ohci_nb' defined but not used [-Werror=unused-variable]
  561 | static struct notifier_block omap_1510_usb_ohci_nb = {
      |                              ^~~~~~~~~~~~~~~~~~~~~

Move it all into the platform file to get rid of the final
location that relies on mach/memory.h.

Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210927144118.2464881-1-arnd@kernel.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:39:50 +02:00
Arnd Bergmann 2ecfddb105 Juno/Vexpress fixes for v5.15
Bunch of DTS fixes to resolve addressing issues with some of the device
 nodes, dropping unused/undocumented properties in various nodes, and
 aligning node names with dtschema.
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Merge tag 'juno-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes

 Juno/Vexpress fixes for v5.15

Bunch of DTS fixes to resolve addressing issues with some of the device
nodes, dropping unused/undocumented properties in various nodes, and
aligning node names with dtschema.

* tag 'juno-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
  arm: dts: vexpress: Fix motherboard bus 'interrupt-map'
  arm: dts: vexpress: Fix addressing issues with 'motherboard-bus' nodes
  arm: dts: vexpress-v2p-ca9: Fix the SMB unit-address
  arm: dts: vexpress: Drop unused properties from motherboard node
  arm64: dts: arm: drop unused interrupt-names in MHU
  ARM: dts: arm: align watchdog and mmc node names with dtschema
  arm64: dts: arm: align watchdog and mmc node names with dtschema
  arm64: dts: fvp: Remove panel timings

Link: https://lore.kernel.org/r/20210927105249.3583380-1-sudeep.holla@arm.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:36:03 +02:00
Arnd Bergmann c147392b65 Qualcomm DTS fixes for v5.15
This corrects the use of depricated chipid and clock names, for which
 support was finally dropped from the driver. It also ensures that the
 DSI PLL is fed by the correct clock, now that it's being migrated to not
 rely on global clock names.
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Merge tag 'qcom-dts-fixes-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux into arm/fixes

Qualcomm DTS fixes for v5.15

This corrects the use of depricated chipid and clock names, for which
support was finally dropped from the driver. It also ensures that the
DSI PLL is fed by the correct clock, now that it's being migrated to not
rely on global clock names.

* tag 'qcom-dts-fixes-for-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/qcom/linux:
  ARM: dts: qcom: apq8064: update Adreno clock names
  ARM: dts: qcom: apq8064: Use 27MHz PXO clock as DSI PLL reference
  ARM: dts: qcom: apq8064: use compatible which contains chipid

Link: https://lore.kernel.org/r/20210930025526.1146-1-bjorn.andersson@linaro.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:33:32 +02:00
Arnd Bergmann 325c81e3fd AT91 fixes #2 for 5.15:
- More fixes for AT91 platform power management code related to the
   introduction of sama7g5:
   - management of DDR3L regulator rails for sama7g5ek
   - loading of TLB on different cores
 
 - PIO controller slew-rate settings for sama7g5ek: be aligned with
   datasheet requirements.
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Merge tag 'at91-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux into arm/fixes

AT91 fixes #2 for 5.15:

- More fixes for AT91 platform power management code related to the
  introduction of sama7g5:
  - management of DDR3L regulator rails for sama7g5ek
  - loading of TLB on different cores

- PIO controller slew-rate settings for sama7g5ek: be aligned with
  datasheet requirements.

* tag 'at91-fixes-5.15-2' of git://git.kernel.org/pub/scm/linux/kernel/git/at91/linux:
  ARM: dts: at91: sama7g5ek: to not touch slew-rate for SDMMC pins
  ARM: dts: at91: sama7g5ek: use proper slew-rate settings for GMACs
  ARM: at91: pm: preload base address of controllers in tlb
  ARM: at91: pm: group constants and addresses loading
  ARM: dts: at91: sama7g5ek: add suspend voltage for ddr3l rail

Link: https://lore.kernel.org/r/20211004114344.19304-1-nicolas.ferre@microchip.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2021-10-05 15:32:31 +02:00
Oleksij Rempel 783f3db030 ARM: imx6: disable the GIC CPU interface before calling stby-poweroff sequence
Any pending interrupt can prevent entering standby based power off state.
To avoid it, disable the GIC CPU interface.

Fixes: 8148d21360 ("ARM: imx6: register pm_power_off handler if "fsl,pmic-stby-poweroff" is set")
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-10-05 13:58:25 +08:00
Claudiu Beznea dbe68bc9e8 ARM: dts: at91: sama7g5ek: to not touch slew-rate for SDMMC pins
With commit c709135e57 ("pinctrl: at91-pio4: add support for slew-rate")
and commit cbde6c823b ("pinctrl: at91-pio4: Fix slew rate disablement")
the slew-rate is enabled by default for each configured pin. The datasheet
specifies at chapter "Output Driver AC Characteristics" that HSIO
drivers (use in SDMMCx and QSPI0 peripherals), don't have a slewrate
setting but are rather calibrated against an external 1% resistor mounted
on the SDMMCx_CAL or QSPI0_CAL pins. Depending on the target signal
frequency and the external load, it is possible to adjust their target
output impedance. Thus set slew-rate = <0> for SDMMC (QSPI is not enabled
at the moment in device tree).

Fixes: 7540629e2f ("ARM: dts: at91: add sama7g5 SoC DT and sama7g5-ek")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210915074836.6574-3-claudiu.beznea@microchip.com
2021-10-04 12:16:58 +02:00
Claudiu Beznea 968f6e9d51 ARM: dts: at91: sama7g5ek: use proper slew-rate settings for GMACs
Datasheet chapter "EMAC Timings" specifies that while in 3.3V domain
GMAC's MDIO pins should be configured with slew-rate enabled, while the
data + signaling pins should be configured with slew-rate disabled when
GMAC works in RGMII or RMII modes. The pin controller for SAMA7G5 sets
the slew-rate as enabled for all pins. Adapt the device tree to comply
with these.

Fixes: 7540629e2f ("ARM: dts: at91: add sama7g5 SoC DT and sama7g5-ek")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210915074836.6574-2-claudiu.beznea@microchip.com
2021-10-04 12:16:58 +02:00
Claudiu Beznea d8d667ee02 ARM: at91: pm: preload base address of controllers in tlb
In suspend/resume procedure for AT91 architecture different controllers
(PMC, SHDWC, RAM, RAM PHY, SFRBU) are accessed to do the proper settings
for power saving. Commit f0bbf17958 ("ARM: at91: pm: add self-refresh
support for sama7g5") introduced the access to RAMC PHY controller for
SAMA7G5. The access to this controller is done after RAMC ports are
closed, thus any TLB walk necessary for RAMC PHY virtual address will
fail. In the development branch this was not encountered. However, on
current kernel the issue is reproducible.

To solve the issue the previous mechanism of pre-loading the TLB with
the RAMC PHY virtual address has been used. However, only the addition
of this new pre-load breaks the functionality for ARMv5 based
devices (SAM9X60). This behavior has been encountered previously
while debugging this code and using the same mechanism for pre-loading
address for different controllers (e.g. pin controller, the assumption
being that other requested translations are replaced from TLB).

To solve this new issue the TLB flush + the extension of pre-loading
the rest of controllers to TLB (e.g. PMC, RAMC) has been added. The
rest of the controllers should have been pre-loaded previously, anyway.

Fixes: f0bbf17958 ("ARM: at91: pm: add self-refresh support for sama7g5")
Depends-on: e42cbbe5c9 ("ARM: at91: pm: group constants and addresses loading")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210930154219.2214051-4-claudiu.beznea@microchip.com
2021-10-04 12:08:34 +02:00
Claudiu Beznea e42cbbe5c9 ARM: at91: pm: group constants and addresses loading
Group constants and addresses loading. This commit prepares the field for
the next one.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210930154219.2214051-3-claudiu.beznea@microchip.com
2021-10-04 11:54:20 +02:00
Claudiu Beznea ef162ac50d ARM: dts: at91: sama7g5ek: add suspend voltage for ddr3l rail
SAMA7G5-EK board has DDR3L type of memory soldered. This needs 1.35V. The
1.35V for DDR3L rail at run-time is selected by the proper configuration
on SELV2 pin (for 1.35V it needs to be in high-z state). When suspended
the MCP16502 PMIC soldered on SAMA7G5-EK will use different sets of
configuration registers to provide proper voltages on its rail. Run-time
configuration registers could be configured differently than suspend
configuration register for MCP16502 (VSEL2 affects only run-time
configuration). In suspend states the DDR3L memory soldered on SAMA7G5-EK
switches to self-refresh. Even on self-refresh it needs to be powered by
a 1.35V rail. Thus, make sure the PMIC is configured properly when system
is suspended.

Fixes: 7540629e2f (ARM: dts: at91: add sama7g5 SoC DT and sama7g5-ek")
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210930154219.2214051-2-claudiu.beznea@microchip.com
2021-10-04 11:54:20 +02:00
Haibo Chen b2a4f4a302 ARM: dts: imx: change the spi-nor tx
Before commit 0e30f47232 ("mtd: spi-nor: add support for DTR protocol"),
for all PP command, it only support 1-1-1 mode, no matter the tx setting
in dts. But after the upper commit, the logic change. It will choose
the best mode(fastest mode) which flash device and spi-nor host controller
both support.

Though the spi-nor device on imx6sx-sdb/imx6ul(l/z)-14x14-evk board
do not support PP-1-4-4/PP-1-1-4, but if tx is 4 in dts file, it will also
impact the read mode selection. For the spi-nor device on the upper mentioned
boards, they support read 1-4-4 mode and read 1-1-4 mode according to the
device internal sfdp register. But qspi host controller do not support
read 1-4-4 mode. so need to set the tx to 1, let the common code finally
select read 1-1-4 mode, PP-1-1-1 mode.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
Fixes: 0e30f47232 ("mtd: spi-nor: add support for DTR protocol")
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2021-10-04 11:23:19 +08:00
Johan Almbladh 79e3445b38 bpf, arm: Fix register clobbering in div/mod implementation
On ARM CPUs that lack div/mod instructions, ALU32 BPF_DIV and BPF_MOD are
implemented using a call to a helper function. Before, the emitted code
for those function calls failed to preserve caller-saved ARM registers.
Since some of those registers happen to be mapped to BPF registers, it
resulted in eBPF register values being overwritten.

This patch emits code to push and pop the remaining caller-saved ARM
registers r2-r3 into the stack during the div/mod function call. ARM
registers r0-r1 are used as arguments and return value, and those were
already saved and restored correctly.

Fixes: 39c13c204b ("arm: eBPF JIT compiler")
Signed-off-by: Johan Almbladh <johan.almbladh@anyfinetworks.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
2021-09-29 16:04:50 +02:00
Rob Herring 319aeaf69c arm: dts: vexpress: Fix motherboard bus 'interrupt-map'
Commit 078fb7aa6a ("arm: dts: vexpress: Fix addressing issues with
'motherboard-bus' nodes") broke booting on a couple of 32-bit VExpress
boards. The problem is #address-cells size changed, but interrupt-map
was not updated. This results in the timer interrupt (and all the
other motherboard interrupts) not getting mapped.

As the 'interrupt-map' properties are all just duplicates across boards,
just move them into vexpress-v2m.dtsi and vexpress-v2m-rs1.dtsi.
Strictly speaking, 'interrupt-map' is dependent on the parent
interrupt controller, but it's not likely we'll ever have a different
parent than GICv2 on these old platforms. If there was one,
'interrupt-map' can still be overridden.

Link: https://lore.kernel.org/r/20210924214221.1877686-1-robh@kernel.org
Fixes: 078fb7aa6a ("arm: dts: vexpress: Fix addressing issues with 'motherboard-bus' nodes")
Cc: Guillaume Tucker <guillaume.tucker@collabora.com>
Cc: Liviu Dudau <liviu.dudau@arm.com>
Cc: Sudeep Holla <sudeep.holla@arm.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Reported-by: Reported-by: "kernelci.org bot" <bot@kernelci.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
2021-09-26 15:33:30 +01:00