Include the clock lanes when calibrating the MIPI PHY on Tegra124
compatible devices.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
[treding@nvidia.com: bikeshedding]
Signed-off-by: Thierry Reding <treding@nvidia.com>
By paving the CTRL reg value, the current code changes MIPI_CAL_PRESCALE
("Auto-cal calibration step prescale") from 1us to 0.1us (val=0). In the
description for PHY's noise filter (MIPI_CAL_NOISE_FLT), the TRM states
that if the value of the prescale is 0 (or 0.1us), the filter should be
set between 2-5. However, the current code sets it to 0.
For now, let's keep the prescale and filter values as-is, which is most
likely the power-on-reset values of 0x2 and 0xa, respectively.
Signed-off-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
On 64-bit platforms an unsigned long would be 64 bit and cause
unnecessary casting when being passed to writel() or returned from
readl(). Make register values 32 bits wide to avoid that.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Use the u32 type for the offset in the host1x_job_gather structure for
consistentcy with other structures. Negative offsets don't make sense in
this context.
Signed-off-by: Thierry Reding <treding@nvidia.com>
This reduces the amount of casting that needs to be done to get rid of
annoying warnings on 64-bit builds.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Rather than cast to a u32 use the struct host1x_bo pointers directly.
This avoid annoying warnings for 64-bit builds.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The introduction of the COMPILE_TEST dependency in commit 158b50aefa
(drm/tegra: Increase compile test coverage) removes the dependency on
COMMON_CLK (implicitly selected via ARCH_TEGRA, ARCH_MULTI_V7 and
ARCH_MULTIPLATFORM).
Reported-by: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Thierry Reding <treding@nvidia.com>
struct mipi_dsi_msg is a read-only structure, drivers should never need
to modify it. Make this explicit by making all references to the struct
const.
Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Currently the mipi_dsi_dcs_write() function requires the DCS command
byte to be embedded within the write buffer whereas mipi_dsi_dcs_read()
has a separate parameter. Make them more symmetrical by adding an extra
command parameter to mipi_dsi_dcs_write().
The S6E8AA0 driver relies on the old asymmetric API and there's concern
that moving to the new API may be less efficient. Provide a new function
with the old semantics for those cases and make the S6E8AA0 driver use
it instead.
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
A common pattern is starting to emerge for higher level transfer
helpers. Create a new helper that encapsulates this pattern and avoids
code duplication.
Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit introduces a new function, mipi_dsi_create_packet(), which
converts from a MIPI DSI message to a MIPI DSI packet. The MIPI DSI
packet is as close to the protocol described in the DSI specification as
possible and useful in drivers that need to write a DSI packet into a
FIFO to send a message off to the peripheral.
Suggested-by: Andrzej Hajda <a.hajda@samsung.com>
Reviewed-by: Sean Paul <seanpaul@chromium.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add two helpers, mipi_dsi_packet_format_is_{short,long}(), that help in
determining the format of a packet.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The %* format specifier expects an integer, which works fine with size_t
arguments on 32-bit because the types match. However on 64-bit, size_t
is typedef'd to unsigned long and will cause a build warning.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The %* format specifier expects an integer, which works fine with size_t
arguments on 32-bit because the types match. However on 64-bit, size_t
is typedef'd to unsigned long and will cause a build warning.
Signed-off-by: Thierry Reding <treding@nvidia.com>
There are several different models of N116BGE. According to commit
0a2288c06a ("drm/panel: simple: Add Innolux N116BGE panel support"),
the video timings are for the eDP variant.
The clock and htotal values added by that patch are out of spec
according to the datasheets I have seen for the eDP N116BGE (-EA2 and
-EB2).
This patch changes the values to the "Typ" values on the datasheet.
Signed-off-by: Daniel Kurtz <djkurtz@chromium.org>
[tested that these timings work with the Tegra132 Norrin panel]
Signed-off-by: Thierry Reding <treding@nvidia.com>
The Hitachi TX23D38VM0CAA is a 9" WVGA TFT LCD panel and can be
supported by the simple-panel driver.
This panel is connected via LVDS and uses the data enable signal for
timing. Since HSYNC/VSYNC are ignored, the split between sync length and
porches is arbitrary, as long as the complete horizontal blanking interval
is 256 clocks, and the vertical blanking interval is 45 lines.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
The Innolux G121I1-L01 is a 12.1" TFT LCD panel and can be supported by
the simple-panel driver.
This panel is connected via LVDS and uses the data enable signal for
timing. Since HSYNC/VSYNC are ignored, the split between sync length and
porches is arbitrary, as long as the complete horizontal blanking interval
is 160 clocks, and the vertical blanking interval is 24 lines.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Various panels were missing the .bpc field which encodes the number of
bits per color. Not every display driver relies on this value, but since
the panels can be used with any display engine it must be specified so
that if a driver knows how to differentiate based on this field it can
do so.
Signed-off-by: Thierry Reding <treding@nvidia.com>
The AUO B116XW03 is a 11.6" HD TFT LCD panel connecting to a LVDS
interface and with an integrated LED backlight unit.
This panel is used on the Samsung Chromebook(XE303C12).
Signed-off-by: Ajay Kumar <ajaykumar.rs@samsung.com>
[treding@nvidia.com: add missing .bpc field]
Signed-off-by: Thierry Reding <treding@nvidia.com>
This patch adds support for the HannStar Display Corp. HSD070PWW1 7.0"
WXGA TFT LCD panel to the simple-panel driver. The binding documentation
is included.
This panel is connected via LVDS and uses the data enable signal for
timing. Since HSYNC/VSYNC are ignored, the split between sync length and
porches is arbitrary, as long as the complete horizontal blanking interval
is 160 clocks, and the vertical blanking interval is 23 lines.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add the new flags argument to calls of (devm_)gpiod_get*() and remove
any direction setting code afterwards.
Currently both forms (with or without the flags argument) are valid
thanks to transitional macros in <linux/gpio/consumer.h>. These macros
will be removed once all consumers are updated and the flags argument
will become compulsary.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add the new flags argument to calls of (devm_)gpiod_get*() and remove
any direction setting code afterwards.
Currently both forms (with or without the flags argument) are valid
thanks to transitional macros in <linux/gpio/consumer.h>. These macros
will be removed once all consumers are updated and the flags argument
will become compulsary.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Add the new flags argument to calls of (devm_)gpiod_get*() and remove
any direction setting code afterwards.
Currently both forms (with or without the flags argument) are valid
thanks to transitional macros in <linux/gpio/consumer.h>. These macros
will be removed once all consumers are updated and the flags argument
will become compulsary.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Acked-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
A batch of fixes that have come in during the merge window.
Some of them are defconfig updates for things that have now landed,
some errata additions and a few general scattered fixes.
There's also a qcom DT update that adds support for SATA on AP148,
and basic support for Sony Xperia Z1 and CM-QS600 platforms that seemed
isolated enough that we could merge it even if it's late.
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Merge tag 'arm-soc-fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A batch of fixes that have come in during the merge window.
Some of them are defconfig updates for things that have now landed,
some errata additions and a few general scattered fixes.
There's also a qcom DT update that adds support for SATA on AP148, and
basic support for Sony Xperia Z1 and CM-QS600 platforms that seemed
isolated enough that we could merge it even if it's late"
* tag 'arm-soc-fixes-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
MAINTAINERS: corrected bcm2835 search
ARM: dts: Explicitly set dr_mode on exynos5420-arndale-octa
ARM: dts: Explicitly set dr_mode on exynos Peach boards
ARM: dts: qcom: add CM-QS600 board
ARM: dts: qcom: Add initial DTS file for Sony Xperia Z1 phone
ARM: dts: qcom: Add SATA support on IPQ8064/AP148
MAINTAINERS: Update Santosh Shilimkar's email id
ARM: sunxi_defconfig: enable CONFIG_REGULATOR
ARM: dts: Disable smc91x on n900 until bootloader dependency is removed
ARM: omap2plus_defconfig: Enable ARM erratum 430973 for omap3
ARM: exynos_defconfig: enable USB gadget support
ARM: exynos_defconfig: Enable Maxim 77693 and I2C GPIO drivers
ARM: mm: Fix ifdef around cpu_*_do_[suspend, resume] ops
ARM: EXYNOS: Fix build with PM_SLEEP=n and ARM_EXYNOS_CPUIDLE=n
ARM: SAMSUNG: Restore Samsung PM Debug functionality
ARM: dts: Fix pull setting in sd4_width8 pin group for exynos4x12
ARM: exynos_defconfig: Enable SBS battery support
ARM: exynos_defconfig: Enable Control Groups support
ARM: exynos_defconfig: Enable Atmel maXTouch support
ARM: exynos_defconfig: Enable MAX77802
Pull audit updates from Eric Paris:
"So this change across a whole bunch of arches really solves one basic
problem. We want to audit when seccomp is killing a process. seccomp
hooks in before the audit syscall entry code. audit_syscall_entry
took as an argument the arch of the given syscall. Since the arch is
part of what makes a syscall number meaningful it's an important part
of the record, but it isn't available when seccomp shoots the
syscall...
For most arch's we have a better way to get the arch (syscall_get_arch)
So the solution was two fold: Implement syscall_get_arch() everywhere
there is audit which didn't have it. Use syscall_get_arch() in the
seccomp audit code. Having syscall_get_arch() everywhere meant it was
a useless flag on the stack and we could get rid of it for the typical
syscall entry.
The other changes inside the audit system aren't grand, fixed some
records that had invalid spaces. Better locking around the task comm
field. Removing some dead functions and structs. Make some things
static. Really minor stuff"
* git://git.infradead.org/users/eparis/audit: (31 commits)
audit: rename audit_log_remove_rule to disambiguate for trees
audit: cull redundancy in audit_rule_change
audit: WARN if audit_rule_change called illegally
audit: put rule existence check in canonical order
next: openrisc: Fix build
audit: get comm using lock to avoid race in string printing
audit: remove open_arg() function that is never used
audit: correct AUDIT_GET_FEATURE return message type
audit: set nlmsg_len for multicast messages.
audit: use union for audit_field values since they are mutually exclusive
audit: invalid op= values for rules
audit: use atomic_t to simplify audit_serial()
kernel/audit.c: use ARRAY_SIZE instead of sizeof/sizeof[0]
audit: reduce scope of audit_log_fcaps
audit: reduce scope of audit_net_id
audit: arm64: Remove the audit arch argument to audit_syscall_entry
arm64: audit: Add audit hook in syscall_trace_enter/exit()
audit: x86: drop arch from __audit_syscall_entry() interface
sparc: implement is_32bit_task
sparc: properly conditionalize use of TIF_32BIT
...
Merge "qcom DT changes for v3.18-3" from Kumar Gala:
Qualcomm ARM Based Device Tree Updates for v3.18-3
* Added Board support for CM-QS600 and Sony Xperia Z1 phone
* Added SATA support on IPQ8064/AP148
* tag 'qcom-dt-for-3.18-3' of git://git.kernel.org/pub/scm/linux/kernel/git/galak/linux-qcom:
ARM: dts: qcom: add CM-QS600 board
ARM: dts: qcom: Add initial DTS file for Sony Xperia Z1 phone
ARM: dts: qcom: Add SATA support on IPQ8064/AP148
- Explicitly set dr_mode on exynos5800-peach-pi, exynos5420-peach-pit
and exynos5420-arndale-octa boards, because the USB dwc3 controller
will not work properly without dr_mode as host on above boards if
the USB host and gadget are enabled in kernel configuration both.
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Merge tag 'samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
Pull more fixes from Kukjin Kim:
2nd Samsung fixes for v3.18
- Explicitly set dr_mode on exynos5800-peach-pi, exynos5420-peach-pit
and exynos5420-arndale-octa boards, because the USB dwc3 controller
will not work properly without dr_mode as host on above boards if
the USB host and gadget are enabled in kernel configuration both.
* tag 'samsung-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: Explicitly set dr_mode on exynos5420-arndale-octa
ARM: dts: Explicitly set dr_mode on exynos Peach boards
Signed-off-by: Olof Johansson <olof@lixom.net>
Corrected bcm2835 maintainer info by using N: to specify any files with
bcm2835 in are directed to the proper maintainer.
Also corrected minor mispelling of ARCHITECTURE in 2 comment locations.
Signed-off-by: Scott Branden <sbranden@broadcom.com>
Signed-off-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Olof Johansson <olof@lixom.net>
debugging info, and some code clean-ups.
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Merge tag 'ntb-3.18' of git://github.com/jonmason/ntb
Pull ntb (non-transparent bridge) updates from Jon Mason:
"Add support for Haswell NTB split BARs, a debugfs entry for basic
debugging info, and some code clean-ups"
* tag 'ntb-3.18' of git://github.com/jonmason/ntb:
ntb: Adding split BAR support for Haswell platforms
ntb: use errata flag set via DID to implement workaround
ntb: conslidate reading of PPD to move platform detection earlier
ntb: move platform detection to separate function
NTB: debugfs device entry
Pull i2c updates from Wolfram Sang:
"Highlights from the I2C subsystem for 3.18:
- new drivers for Axxia AM55xx, and Hisilicon hix5hd2 SoC.
- designware driver gained AMD support, exynos gained exynos7 support
The rest is usual driver stuff. Hopefully no lowlights this time"
* 'i2c/for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: i801: Add Device IDs for Intel Sunrise Point PCH
i2c: hix5hd2: add i2c controller driver
i2c-imx: Disable the clock on probe failure
i2c: designware: Add support for AMD I2C controller
i2c: designware: Rework probe() to get clock a bit later
i2c: designware: Default to fast mode in case of ACPI
i2c: axxia: Add I2C driver for AXM55xx
i2c: exynos: add support for HSI2C module on Exynos7
i2c: mxs: detect No Slave Ack on SELECT in PIO mode
i2c: cros_ec: Remove EC_I2C_FLAG_10BIT
i2c: cros-ec-tunnel: Add of match table
i2c: rcar: remove sign-compare flaw
i2c: ismt: Use minimum descriptor size
i2c: imx: Add arbitration lost check
i2c: rk3x: Remove unlikely() annotations
i2c: rcar: check for no IRQ in rcar_i2c_irq()
i2c: rcar: make rcar_i2c_prepare_msg() *void*
i2c: rcar: simplify check for last message
i2c: designware: add support of platform data to set I2C mode
i2c: designware: add support of I2C standard mode
Here are a collection of small fixes after 3.18 merge. The urgent
one is the fix for kernel panics with linked PCM substream triggered
by the recent nonatomic PCM ops support. Other two fixes (emu10k1 and
bebob) are stable fixes, and one easy PCI ID addition for a new Intel
HD-audio controller.
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Merge tag 'sound-fix-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"Here are a collection of small fixes after 3.18 merge.
The urgent one is the fix for kernel panics with linked PCM substream
triggered by the recent nonatomic PCM ops support. Other two fixes
(emu10k1 and bebob) are stable fixes, and one easy PCI ID addition for
a new Intel HD-audio controller"
* tag 'sound-fix-3.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
ALSA: hda_intel: Add Device IDs for Intel Sunrise Point PCH
ALSA: emu10k1: Fix deadlock in synth voice lookup
ALSA: pcm: Fix referred substream in snd_pcm_action_group() unlock loop
ALSA: bebob: Fix failure to detect source of clock for Terratec Phase 88
Pull second round of input updates from Dmitry Torokhov:
"Mostly simple bug fixes, although we do have one brand new driver for
Microchip AR1021 i2c touchscreen.
Also there is the change to stop trying to use i8042 active
multiplexing by default (it is still possible to activate it via
i8042.nomux=0 on boxes that implement it)"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: xpad - add Thrustmaster as Xbox 360 controller vendor
Input: xpad - add USB ID for Thrustmaster Ferrari 458 Racing Wheel
Input: max77693-haptic - fix state check in imax77693_haptic_disable()
Input: xen-kbdfront - free grant table entry in xenkbd_disconnect_backend
Input: alps - fix v4 button press recognition
Input: i8042 - disable active multiplexing by default
Input: i8042 - add noloop quirk for Asus X750LN
Input: synaptics - gate forcepad support by DMI check
Input: Add Microchip AR1021 i2c touchscreen
Input: cros_ec_keyb - add of match table
Input: serio - avoid negative serio device numbers
Input: avoid negative input device numbers
Input: automatically set EV_ABS bit in input_set_abs_params
Input: adp5588-keys - cancel workqueue in failure path
Input: opencores-kbd - switch to using managed resources
Input: evdev - fix EVIOCG{type} ioctl
- Large set of iSER initiator improvements
- Hardware driver fixes for cxgb4, mlx5 and ocrdma
- Small fixes to core midlayer
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband/RDMA updates from Roland Dreier:
- large set of iSER initiator improvements
- hardware driver fixes for cxgb4, mlx5 and ocrdma
- small fixes to core midlayer
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (47 commits)
RDMA/cxgb4: Fix ntuple calculation for ipv6 and remove duplicate line
RDMA/cxgb4: Add missing neigh_release in find_route
RDMA/cxgb4: Take IPv6 into account for best_mtu and set_emss
RDMA/cxgb4: Make c4iw_wr_log_size_order static
IB/core: Fix XRC race condition in ib_uverbs_open_qp
IB/core: Clear AH attr variable to prevent garbage data
RDMA/ocrdma: Save the bit environment, spare unncessary parenthesis
RDMA/ocrdma: The kernel has a perfectly good BIT() macro - use it
RDMA/ocrdma: Don't memset() buffers we just allocated with kzalloc()
RDMA/ocrdma: Remove a unused-label warning
RDMA/ocrdma: Convert kernel VA to PA for mmap in user
RDMA/ocrdma: Get vlan tag from ib_qp_attrs
RDMA/ocrdma: Add default GID at index 0
IB/mlx5, iser, isert: Add Signature API additions
Target/iser: Centralize ib_sig_domain setting
IB/iser: Centralize ib_sig_domain settings
IB/mlx5: Use extended internal signature layout
IB/iser: Set IP_CSUM as default guard type
IB/iser: Remove redundant assignment
IB/mlx5: Use enumerations for PI copy mask
...
Pull more perf updates from Ingo Molnar:
"A second (and last) round of late coming fixes and changes, almost all
of them in perf tooling:
User visible tooling changes:
- Add period data column and make it default in 'perf script' (Jiri
Olsa)
- Add a visual cue for toggle zeroing of samples in 'perf top'
(Taeung Song)
- Improve callchains when using libunwind (Namhyung Kim)
Tooling fixes and infrastructure changes:
- Fix for double free in 'perf stat' when using some specific invalid
command line combo (Yasser Shalabi)
- Fix off-by-one bugs in map->end handling (Stephane Eranian)
- Fix off-by-one bug in maps__find(), also related to map->end
handling (Namhyung Kim)
- Make struct symbol->end be the first addr after the symbol range,
to make it match the convention used for struct map->end. (Arnaldo
Carvalho de Melo)
- Fix perf_evlist__add_pollfd() error handling in 'perf kvm stat
live' (Jiri Olsa)
- Fix python test build by moving callchain_param to an object linked
into the python binding (Jiri Olsa)
- Document sysfs events/ interfaces (Cody P Schafer)
- Fix typos in perf/Documentation (Masanari Iida)
- Add missing 'struct option' forward declaration (Arnaldo Carvalho
de Melo)
- Add option to copy events when queuing for sorting across cpu
buffers and enable it for 'perf kvm stat live', to avoid having
events left in the queue pointing to the ring buffer be rewritten
in high volume sessions. (Alexander Yarygin, improving work done
by David Ahern):
- Do not include a struct hists per perf_evsel, untangling the
histogram code from perf_evsel, to pave the way for exporting a
minimalistic tools/lib/api/perf/ library usable by tools/perf and
initially by the rasd daemon being developed by Borislav Petkov,
Robert Richter and Jean Pihet. (Arnaldo Carvalho de Melo)
- Make perf_evlist__open(evlist, NULL, NULL), i.e. without cpu and
thread maps mean syswide monitoring, reducing the boilerplate for
tools that only want system wide mode. (Arnaldo Carvalho de Melo)
- Move exit stuff from perf_evsel__delete to perf_evsel__exit, delete
should be just a front end for exit + free (Arnaldo Carvalho de
Melo)
- Add support to new style format of kernel PMU event. (Kan Liang)
and other misc fixes"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (45 commits)
perf script: Add period as a default output column
perf script: Add period data column
perf evsel: No need to drag util/cgroup.h
perf evlist: Add missing 'struct option' forward declaration
perf evsel: Move exit stuff from __delete to __exit
kprobes/x86: Remove stale ARCH_SUPPORTS_KPROBES_ON_FTRACE define
perf kvm stat live: Enable events copying
perf session: Add option to copy events when queueing
perf Documentation: Fix typos in perf/Documentation
perf trace: Use thread_{,_set}_priv helpers
perf kvm: Use thread_{,_set}_priv helpers
perf callchain: Create an address space per thread
perf report: Set callchain_param.record_mode for future use
perf evlist: Fix for double free in tools/perf stat
perf test: Add test case for pmu event new style format
perf tools: Add support to new style format of kernel PMU event
perf tools: Parse the pmu event prefix and suffix
Revert "perf tools: Default to cpu// for events v5"
perf Documentation: Remove Ruplicated docs for powerpc cpu specific events
perf Documentation: sysfs events/ interfaces
...
Pull sparc fixes from David Miller:
"Here we have two bug fixes:
1) The current thread's fault_code is not setup properly upon entry to
do_sparc64_fault() in some paths, leading to spurious SIGBUS.
2) Don't use a zero length array at the end of thread_info on sparc64,
otherwise end_of_stack() isn't right"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
sparc64: Do not define thread fpregs save area as zero-length array.
sparc64: Fix corrupted thread fault code.
Pull networking fixes from David Miller:
"A quick batch of bug fixes:
1) Fix build with IPV6 disabled, from Eric Dumazet.
2) Several more cases of caching SKB data pointers across calls to
pskb_may_pull(), thus referencing potentially free'd memory. From
Li RongQing.
3) DSA phy code tests operation presence improperly, instead of going:
if (x->ops->foo)
r = x->ops->foo(args);
it was going:
if (x->ops->foo(args))
r = x->ops->foo(args);
Fix from Andew Lunn"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
Net: DSA: Fix checking for get_phy_flags function
ipv6: fix a potential use after free in sit.c
ipv6: fix a potential use after free in ip6_offload.c
ipv4: fix a potential use after free in gre_offload.c
tcp: fix build error if IPv6 is not enabled
The check for the presence or not of the optional switch function
get_phy_flags() called the function, rather than checked to see if it
is a NULL pointer. This causes a derefernce of a NULL pointer on all
switch chips except the sf2, the only switch to implement this call.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Fixes: 6819563e64 ("net: dsa: allow switch drivers to specify phy_device::dev_flags")
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This breaks the stack end corruption detection facility.
What that facility does it write a magic value to "end_of_stack()"
and checking to see if it gets overwritten.
"end_of_stack()" is "task_thread_info(p) + 1", which for sparc64 is
the beginning of the FPU register save area.
So once the user uses the FPU, the magic value is overwritten and the
debug checks trigger.
Fix this by making the size explicit.
Due to the size we use for the fpsaved[], gsr[], and xfsr[] arrays we
are limited to 7 levels of FPU state saves. So each FPU register set
is 256 bytes, allocate 256 * 7 for the fpregs area.
Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
Every path that ends up at do_sparc64_fault() must install a valid
FAULT_CODE_* bitmask in the per-thread fault code byte.
Two paths leading to the label winfix_trampoline (which expects the
FAULT_CODE_* mask in register %g4) were not doing so:
1) For pre-hypervisor TLB protection violation traps, if we took
the 'winfix_trampoline' path we wouldn't have %g4 initialized
with the FAULT_CODE_* value yet. Resulting in using the
TLB_TAG_ACCESS register address value instead.
2) In the TSB miss path, when we notice that we are going to use a
hugepage mapping, but we haven't allocated the hugepage TSB yet, we
still have to take the window fixup case into consideration and
in that particular path we leave %g4 not setup properly.
Errors on this sort were largely invisible previously, but after
commit 4ccb927289 ("sparc64: sun4v TLB
error power off events") we now have a fault_code mask bit
(FAULT_CODE_BAD_RA) that triggers due to this bug.
FAULT_CODE_BAD_RA triggers because this bit is set in TLB_TAG_ACCESS
(see #1 above) and thus we get seemingly random bus errors triggered
for user processes.
Fixes: 4ccb927289 ("sparc64: sun4v TLB error power off events")
Reported-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull slave-dmaengine updates from Vinod Koul:
"For dmaengine contributions we have:
- designware cleanup by Andy
- my series moving device_control users to dmanegine_xxx APIs for
later removal of device_control API
- minor fixes spread over drivers mainly mv_xor, pl330, mmp, imx-sdma
etc"
* 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma: (60 commits)
serial: atmel: add missing dmaengine header
dmaengine: remove FSLDMA_EXTERNAL_START
dmaengine: freescale: remove FSLDMA_EXTERNAL_START control method
carma-fpga: move to fsl_dma_external_start()
carma-fpga: use dmaengine_xxx() API
dmaengine: freescale: add and export fsl_dma_external_start()
dmaengine: add dmaengine_prep_dma_sg() helper
video: mx3fb: use dmaengine_terminate_all() API
serial: sh-sci: use dmaengine_terminate_all() API
net: ks8842: use dmaengine_terminate_all() API
mtd: sh_flctl: use dmaengine_terminate_all() API
mtd: fsmc_nand: use dmaengine_terminate_all() API
V4L2: mx3_camer: use dmaengine_pause() API
dmaengine: coh901318: use dmaengine_terminate_all() API
pata_arasan_cf: use dmaengine_terminate_all() API
dmaengine: edma: check for echan->edesc => NULL in edma_dma_pause()
dmaengine: dw: export probe()/remove() and Co to users
dmaengine: dw: enable and disable controller when needed
dmaengine: dw: always export dw_dma_{en,dis}able
dmaengine: dw: introduce dw_dma_on() helper
...
* new 6x10 font
* various small fixes and cleanups
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Merge tag 'fbdev-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux
Pull fbdev updates from Tomi Valkeinen:
- new 6x10 font
- various small fixes and cleanups
* tag 'fbdev-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (30 commits)
fonts: Add 6x10 font
videomode: provide dummy inline functions for !CONFIG_OF
video/atmel_lcdfb: Introduce regulator support
fbdev: sh_mobile_hdmi: Re-init regs before irq re-enable on resume
framebuffer: fix screen corruption when copying
framebuffer: fix border color
arm, fbdev, omap2, LLVMLinux: Remove nested function from omapfb
arm, fbdev, omap2, LLVMLinux: Remove nested function from omap2 dss
video: fbdev: valkyriefb.c: use container_of to resolve fb_info_valkyrie from fb_info
video: fbdev: pxafb.c: use container_of to resolve pxafb_info/layer from fb_info
video: fbdev: cyber2000fb.c: use container_of to resolve cfb_info from fb_info
video: fbdev: controlfb.c: use container_of to resolve fb_info_control from fb_info
video: fbdev: sa1100fb.c: use container_of to resolve sa1100fb_info from fb_info
video: fbdev: stifb.c: use container_of to resolve stifb_info from fb_info
video: fbdev: sis: sis_main.c: Cleaning up missing null-terminate in conjunction with strncpy
video: valkyriefb: Fix unused variable warning in set_valkyrie_clock()
video: fbdev: use %*ph specifier to dump small buffers
video: mx3fb: always enable BACKLIGHT_LCD_SUPPORT
video: fbdev: au1200fb: delete double assignment
video: fbdev: sis: delete double assignment
...
- Support for 48bit IPA and VA (EL2)
- A number of fixes for devices mapped into guests
- Yet another VGIC fix for BE
- A fix for CPU hotplug
- A few compile fixes (disabled VGIC, strict mm checks)
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Merge tag 'kvm-arm-for-3.18-take-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm
Pull second batch of changes for KVM/{arm,arm64} from Marc Zyngier:
"The most obvious thing is the sizeable MMU changes to support 48bit
VAs on arm64.
Summary:
- support for 48bit IPA and VA (EL2)
- a number of fixes for devices mapped into guests
- yet another VGIC fix for BE
- a fix for CPU hotplug
- a few compile fixes (disabled VGIC, strict mm checks)"
[ I'm pulling directly from Marc at the request of Paolo Bonzini, whose
backpack was stolen at Düsseldorf airport and will do new keys and
rebuild his web of trust. - Linus ]
* tag 'kvm-arm-for-3.18-take-2' of git://git.kernel.org/pub/scm/linux/kernel/git/kvmarm/kvmarm:
arm/arm64: KVM: Fix BE accesses to GICv2 EISR and ELRSR regs
arm: kvm: STRICT_MM_TYPECHECKS fix for user_mem_abort
arm/arm64: KVM: Ensure memslots are within KVM_PHYS_SIZE
arm64: KVM: Implement 48 VA support for KVM EL2 and Stage-2
arm/arm64: KVM: map MMIO regions at creation time
arm64: kvm: define PAGE_S2_DEVICE as read-only by default
ARM: kvm: define PAGE_S2_DEVICE as read-only by default
arm/arm64: KVM: add 'writable' parameter to kvm_phys_addr_ioremap
arm/arm64: KVM: fix potential NULL dereference in user_mem_abort()
arm/arm64: KVM: use __GFP_ZERO not memset() to get zeroed pages
ARM: KVM: fix vgic-disabled build
arm: kvm: fix CPU hotplug
Pull MIPS updates from Ralf Baechle:
"This is the MIPS pull request for the next kernel:
- Zubair's patch series adds CMA support for MIPS. Doing so it also
touches ARM64 and x86.
- remove the last instance of IRQF_DISABLED from arch/mips
- updates to two of the MIPS defconfig files.
- cleanup of how cache coherency bits are handled on MIPS and
implement support for write-combining.
- platform upgrades for Alchemy
- move MIPS DTS files to arch/mips/boot/dts/"
* 'upstream' of git://git.linux-mips.org/pub/scm/ralf/upstream-linus: (24 commits)
MIPS: ralink: remove deprecated IRQF_DISABLED
MIPS: pgtable.h: Implement the pgprot_writecombine function for MIPS
MIPS: cpu-probe: Set the write-combine CCA value on per core basis
MIPS: pgtable-bits: Define the CCA bit for WC writes on Ingenic cores
MIPS: pgtable-bits: Move the CCA bits out of the core's ifdef blocks
MIPS: DMA: Add cma support
x86: use generic dma-contiguous.h
arm64: use generic dma-contiguous.h
asm-generic: Add dma-contiguous.h
MIPS: BPF: Add new emit_long_instr macro
MIPS: ralink: Move device-trees to arch/mips/boot/dts/
MIPS: Netlogic: Move device-trees to arch/mips/boot/dts/
MIPS: sead3: Move device-trees to arch/mips/boot/dts/
MIPS: Lantiq: Move device-trees to arch/mips/boot/dts/
MIPS: Octeon: Move device-trees to arch/mips/boot/dts/
MIPS: Add support for building device-tree binaries
MIPS: Create common infrastructure for building built-in device-trees
MIPS: SEAD3: Enable DEVTMPFS
MIPS: SEAD3: Regenerate defconfigs
MIPS: Alchemy: DB1300: Add touch penirq support
...
Pull powerpc fix from Michael Ellerman:
"There was a bit of a misunderstanding between us and the ARM guys in
the device tree PCI code, which is breaking virtio on powerpc.
This is the minimal fix until we can sort it out properly"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mpe/linux:
powerpc/pci: Fix IO space breakage after of_pci_range_to_resource() change
Sean Paul