This reverts commit e3062e05e1.
There is no brcmfmac43456-sdio.* firmware in the linux-firmware repo,
and the brcmfmac43455-sdio.* works fine, so let's just use that.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
Add support for a VDD regulator. This allows the kernel to prove the
Wacom-I2C device on the rM2.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
The reMarkable2 (https://remarkable.com) is an e-ink tablet based on
the imx7d SoC.
This commit is based on the DTS provide by reMarkable but ported to the
latest kernel (instead of 4.14). I have removed references to
non-upstream devices and have changed the UART so that the console can
be accessed without having to open up the device via the OTG pogo pins.
Currently the kernel boots, but there is no support for the display.
WiFi is untested (no dispaly or UART RX makes it hard to test), but
should work with the current upstream driver. As it's untested it's not
included in this commit.
Signed-off-by: Alistair Francis <alistair@alistair23.me>
- fix two regressions in core GPIO subsystem code: one NULL-pointer dereference
and one list corruption
- read GPIO line names from fwnode instead of using the generic device
properties to fix a regression on stm32mp151
- fixes to ACPI GPIO and gpio-pca953x to handle a regression in IRQ handling
on Intel Galileo
- update .gitignore in GPIO selftests
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Merge tag 'gpio-fixes-for-v5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux
Pull gpio fixes from Bartosz Golaszewski:
"A bunch of fixes for the GPIO subsystem. We have two regressions in
the core code spotted right after the merge window, a series of fixes
for ACPI GPIO and a subsequent fix for a related regression in
gpio-pca953x + a minor tweak in .gitignore and a rework of handling of
the gpio-line-names to remedy a regression in stm32mp151.
Summary:
- fix two regressions in core GPIO subsystem code: one NULL-pointer
dereference and one list corruption
- read GPIO line names from fwnode instead of using the generic
device properties to fix a regression on stm32mp151
- fixes to ACPI GPIO and gpio-pca953x to handle a regression in IRQ
handling on Intel Galileo
- update .gitignore in GPIO selftests"
* tag 'gpio-fixes-for-v5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
gpiolib: Read "gpio-line-names" from a firmware node
gpio: pca953x: Set IRQ type when handle Intel Galileo Gen 2
gpiolib: acpi: Allow to find GpioInt() resource by name and index
gpiolib: acpi: Add ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER quirk
gpiolib: acpi: Add missing IRQF_ONESHOT
gpio: fix gpio-device list corruption
gpio: fix NULL-deref-on-deregistration regression
selftests: gpio: update .gitignore
- fix for overwritten exception handlers
- enable MIPS optimized crypto for all MIPS CPUs to improve wireguard
performance
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Merge tag 'mips-fixes_5.12_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Thomas Bogendoerfer:
- fixes for boot breakage because of misaligned FDTs
- fix for overwritten exception handlers
- enable MIPS optimized crypto for all MIPS CPUs to improve wireguard
performance
* tag 'mips-fixes_5.12_1' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: kernel: Reserve exception base early to prevent corruption
MIPS: vmlinux.lds.S: align raw appended dtb to 8 bytes
crypto: mips/poly1305 - enable for all MIPS processors
MIPS: boot/compressed: Copy DTB to aligned address
BMIPS is one of the few platforms that do change the exception base.
After commit 2dcb396454 ("memblock: do not start bottom-up allocations
with kernel_end") we started seeing BMIPS boards fail to boot with the
built-in FDT being corrupted.
Before the cited commit, early allocations would be in the [kernel_end,
RAM_END] range, but after commit they would be within [RAM_START +
PAGE_SIZE, RAM_END].
The custom exception base handler that is installed by
bmips_ebase_setup() done for BMIPS5000 CPUs ends-up trampling on the
memory region allocated by unflatten_and_copy_device_tree() thus
corrupting the FDT used by the kernel.
To fix this, we need to perform an early reservation of the custom
exception space. Additional we reserve the first 4k (1k for R3k) for
either normal exception vector space (legacy CPUs) or special vectors
like cache exceptions.
Huge thanks to Serge for analysing and proposing a solution to this
issue.
Fixes: 2dcb396454 ("memblock: do not start bottom-up allocations with kernel_end")
Reported-by: Kamal Dasu <kdasu.kdev@gmail.com>
Debugged-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Acked-by: Mike Rapoport <rppt@linux.ibm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Pull sparc updates from David Miller:
"Just some more random bits from Al, including a conversion over to
generic extables"
* git://git.kernel.org:/pub/scm/linux/kernel/git/davem/sparc:
sparc32: take ->thread.flags out
sparc32: get rid of fake_swapper_regs
sparc64: get rid of fake_swapper_regs
sparc32: switch to generic extables
sparc32: switch copy_user.S away from range exception table entries
sparc32: get rid of range exception table entries in checksum_32.S
sparc32: switch __bzero() away from range exception table entries
sparc32: kill lookup_fault()
sparc32: don't bother with lookup_fault() in __bzero()
The devicetree specification requires 8-byte alignment in
memory. This is now enforced by libfdt since commit 79edff1206
("scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9")
which included the upstream commit 5e735860c478 ("libfdt: Check for
8-byte address alignment in fdt_ro_probe_()").
This broke the MIPS raw appended DTBs which would be appended to
the image immediately following the initramfs section. This ends
with a 32bit size, resulting in a 4-byte alignment of the DTB.
Fix by padding with zeroes to 8-bytes when MIPS_RAW_APPENDED_DTB
is defined.
Fixes: 79edff1206 ("scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9")
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
On STM32MP1, the GPIO banks are subnodes of pin-controller@50002000,
see arch/arm/boot/dts/stm32mp151.dtsi. The driver for
pin-controller@50002000 is in drivers/pinctrl/stm32/pinctrl-stm32.c
and iterates over all of its DT subnodes when registering each GPIO
bank gpiochip. Each gpiochip has:
- gpio_chip.parent = dev,
where dev is the device node of the pin controller
- gpio_chip.of_node = np,
which is the OF node of the GPIO bank
Therefore, dev_fwnode(chip->parent) != of_fwnode_handle(chip.of_node),
i.e. pin-controller@50002000 != pin-controller@50002000/gpio@5000*000.
The original code behaved correctly, as it extracted the "gpio-line-names"
from of_fwnode_handle(chip.of_node) = pin-controller@50002000/gpio@5000*000.
To achieve the same behaviour, read property from the firmware node.
Fixes: 7cba1a4d5e ("gpiolib: generalize devprop_gpiochip_set_names() for device properties")
Reported-by: Marek Vasut <marex@denx.de>
Reported-by: Roman Guskov <rguskov@dh-electronics.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: Marek Vasut <marex@denx.de>
Reviewed-by: Marek Vasut <marex@denx.de>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The commit 0ea683931a ("gpio: dwapb: Convert driver to using the
GPIO-lib-based IRQ-chip") indeliberately made a regression on how
IRQ line from GPIO I²C expander is handled. I.e. it reveals that
the quirk for Intel Galileo Gen 2 misses the part of setting IRQ type
which previously was predefined by gpio-dwapb driver. Now, we have to
reorganize the approach to call necessary parts, which can be done via
ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER quirk.
Without this fix and with above mentioned change the kernel hangs
on the first IRQ event with:
gpio gpiochip3: Persistence not supported for GPIO 1
irq 32, desc: 62f8fb50, depth: 0, count: 0, unhandled: 0
->handle_irq(): 41c7b0ab, handle_bad_irq+0x0/0x40
->irq_data.chip(): e03f1e72, 0xc2539218
->action(): 0ecc7e6f
->action->handler(): 8a3db21e, irq_default_primary_handler+0x0/0x10
IRQ_NOPROBE set
unexpected IRQ trap at vector 20
Fixes: ba8c90c618 ("gpio: pca953x: Override IRQ for one of the expanders on Galileo Gen 2")
Depends-on: 0ea683931a ("gpio: dwapb: Convert driver to using the GPIO-lib-based IRQ-chip")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Currently only search by index is supported. However, in some cases
we might need to pass the quirks to the acpi_dev_gpio_irq_get().
For this, split out acpi_dev_gpio_irq_get_by() and replace
acpi_dev_gpio_irq_get() by calling above with NULL for name parameter.
Fixes: ba8c90c618 ("gpio: pca953x: Override IRQ for one of the expanders on Galileo Gen 2")
Depends-on: 0ea683931a ("gpio: dwapb: Convert driver to using the GPIO-lib-based IRQ-chip")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
On some systems the ACPI tables has wrong pin number and instead of
having a relative one it provides an absolute one in the global GPIO
number space.
Add ACPI_GPIO_QUIRK_ABSOLUTE_NUMBER quirk to cope with such cases.
Fixes: ba8c90c618 ("gpio: pca953x: Override IRQ for one of the expanders on Galileo Gen 2")
Depends-on: 0ea683931a ("gpio: dwapb: Convert driver to using the GPIO-lib-based IRQ-chip")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
fixed the following coccicheck:
./drivers/gpio/gpiolib-acpi.c:176:7-27: ERROR: Threaded IRQ with no
primary handler requested without IRQF_ONESHOT
Make sure threaded IRQs without a primary handler are always request
with IRQF_ONESHOT
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Make sure to hold the gpio_lock when removing the gpio device from the
gpio_devices list (when dropping the last reference) to avoid corrupting
the list when there are concurrent accesses.
Fixes: ff2b135922 ("gpio: make the gpiochip a real device")
Cc: stable@vger.kernel.org # 4.6
Reviewed-by: Saravana Kannan <saravanak@google.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Fix a NULL-pointer deference when deregistering the gpio character
device that was introduced by the recent stub-driver hack. When the new
"driver" is unbound as part of deregistration, driver core clears the
driver-data pointer which is used to retrieve the struct gpio_device in
its release callback.
Fix this by using container_of() in the release callback as should have
been done all along.
Fixes: 4731210c09 ("gpiolib: Bind gpio_device to a driver to enable fw_devlink=on by default")
Cc: Saravana Kannan <saravanak@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reported-by: syzbot+d27b4c8adbbff70fbfde@syzkaller.appspotmail.com
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
The executable that we build for GPIO selftests was renamed to
gpio-mockup-cdev. Let's update .gitignore so that we don't show it
as an untracked file.
Fixes: 8bc395a6a2 ("selftests: gpio: rework and simplify test implementation")
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Reviewed-by: Kent Gibson <warthog618@gmail.com>
The MIPS Poly1305 implementation is generic MIPS code written such as to
support down to the original MIPS I and MIPS III ISA for the 32-bit and
64-bit variant respectively. Lift the current limitation then to enable
code for MIPSr1 ISA or newer processors only and have it available for
all MIPS processors.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Fixes: a11d055e7a ("crypto: mips/poly1305 - incorporate OpenSSL/CRYPTOGAMS optimized implementation")
Cc: stable@vger.kernel.org # v5.5+
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Since 5.12-rc1, the Device Tree blob must now be properly aligned.
Therefore, the decompress routine must be careful to copy the blob at
the next aligned address after the kernel image.
This commit fixes the kernel sometimes not booting with a Device Tree
blob appended to it.
Fixes: 79edff1206 ("scripts/dtc: Update to upstream version v1.6.0-51-g183df9e9c2b9")
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
- Fix wrong skipping for per-die aggregation in 'perf stat'.
- Fix race in signal handling on large core count machines, setting up signal
handlers earlier.
- Fix -F for branch & mem modes in 'perf report'.
- Fix the condition checks for max number of NUMA nodes in 'perf bench numa'.
- Fix crash in 'perf diff' error path.
- Fix filtering of empty build-ids in 'perf archive'.
- Ensure read cmdlines from libtraceevent are null terminated.
Recent regressions:
- Fix control fifo permissions in 'perf daemon'.
- Fix 'perf daemon' compile error with ASAN.
- Fix running 'perf daemon' test for non root user.
- Fix PERF_SAMPLE_WEIGHT_STRUCT 'perf test' failure on non-x86 arches.
- Fix event's PMU name parsing related to new drm/i915/gt
software-gt-awake-time event.
Fixes from compiler instrumentation:
- Fix leaks in 'perf test' entries, found using ASAN.
- Fix use-after-free when 'perf stat -r' option is used.
Arch specific:
- Fix bitmap for option om ARM's CS-ETM.
Documentation:
- Fix documentation of verbose options.
Build:
- Clean 'generated' directory used for creating the syscall table on x86.
- Fix ccache usage in $(CC) when generating arch errno table.
- Cast (struct timeval).tv_sec when printing, fixing the build with MUSL libc.
- Tighten snprintf() string precision to pass gcc check on some 32-bit arches.
- Update UAPI copies from the kernel sources.
- Fix regression on feature detection 'make clean' target.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-tools-fixes-for-v5.12-2020-03-07' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux
Pull perf tools fixes from Arnaldo Carvalho de Melo:
"Perf tool fixes:
- Fix wrong skipping for per-die aggregation in 'perf stat'.
- Fix race in signal handling on large core count machines, setting
up signal handlers earlier.
- Fix -F for branch & mem modes in 'perf report'.
- Fix the condition checks for max number of NUMA nodes in 'perf
bench numa'.
- Fix crash in 'perf diff' error path.
- Fix filtering of empty build-ids in 'perf archive'.
- Ensure read cmdlines from libtraceevent are null terminated.
Recent regressions:
- Fix control fifo permissions in 'perf daemon'.
- Fix 'perf daemon' compile error with ASAN.
- Fix running 'perf daemon' test for non root user.
- Fix PERF_SAMPLE_WEIGHT_STRUCT 'perf test' failure on non-x86
arches.
- Fix event's PMU name parsing related to new drm/i915/gt
software-gt-awake-time event.
Fixes from compiler instrumentation:
- Fix leaks in 'perf test' entries, found using ASAN.
- Fix use-after-free when 'perf stat -r' option is used.
Arch specific:
- Fix bitmap for option om ARM's CS-ETM.
Documentation:
- Fix documentation of verbose options.
Build:
- Clean 'generated' directory used for creating the syscall table on
x86.
- Fix ccache usage in $(CC) when generating arch errno table.
- Cast (struct timeval).tv_sec when printing, fixing the build with
MUSL libc.
- Tighten snprintf() string precision to pass gcc check on some
32-bit arches.
- Update UAPI copies from the kernel sources.
- Fix regression on feature detection 'make clean' target"
* tag 'perf-tools-fixes-for-v5.12-2020-03-07' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (44 commits)
perf cs-etm: Fix bitmap for option
perf trace: Fix race in signal handling
perf map: Tighten snprintf() string precision to pass gcc check on some 32-bit arches
perf report: Fix -F for branch & mem modes
perf tests x86: Move insn.h include to make sure it finds stddef.h
perf test: Support the ins_lat check in the X86 specific test
perf test: Fix sample-parsing failure on non-x86 platforms
perf archive: Fix filtering of empty build-ids
perf daemon: Fix compile error with Asan
perf stat: Fix use-after-free when -r option is used
libperf: Add perf_evlist__reset_id_hash()
perf stat: Fix wrong skipping for per-die aggregation
tools headers UAPI: Sync KVM's kvm.h and vmx.h headers with the kernel sources
tools headers cpufeatures: Sync with the kernel sources
tools headers UAPI: Update tools' copy of linux/coresight-pmu.h
tools headers: Update syscall.tbl files to support mount_setattr
perf test: Fix cpu and thread map leaks in perf_time_to_tsc test
perf test: Fix cpu map leaks in cpu_map_print test
perf test: Fix a memory leak in thread_map_remove test
perf test: Fix a thread map leak in thread_map_synthesize test
...
Pull parisc fixes from Helge Deller:
"Two small parisc architecture fixes: fix a linking failure reported by
the kernel test robot and remove a duplicate include"
* 'parisc-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
arch/parisc/kernel: remove duplicate include in ptrace
parisc: Enable -mlong-calls gcc option with CONFIG_COMPILE_TEST
One non-fix, the conversion of vio_driver->remove() to return void, which
touches various powerpc specific drivers.
Fix the privilege checks we do in our perf handling, which could cause soft/hard
lockups in some configurations.
Fix a bug with IRQ affinity seen on kdump kernels when CPU 0 is offline in the
second kernel.
Fix missed page faults after mprotect(..., PROT_NONE) on 603 (32-bit).
Fix a bug in our VSX (vector) instruction emulation, which should only be seen
when doing VSX ops to cache inhibited mappings.
Three commits fixing various build issues with obscure configurations.
Thanks to:
Athira Rajeev, Cédric Le Goater, Christophe Leroy, Christoph Plattner, Greg
Kurz, Jordan Niethe, Laurent Vivier, Ravi Bangoria, Tyrel Datwyler, Uwe
Kleine-König.
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Merge tag 'powerpc-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"One non-fix, the conversion of vio_driver->remove() to return void,
which touches various powerpc specific drivers.
Fix the privilege checks we do in our perf handling, which could cause
soft/hard lockups in some configurations.
Fix a bug with IRQ affinity seen on kdump kernels when CPU 0 is
offline in the second kernel.
Fix missed page faults after mprotect(..., PROT_NONE) on 603 (32-bit).
Fix a bug in our VSX (vector) instruction emulation, which should only
be seen when doing VSX ops to cache inhibited mappings.
Three commits fixing various build issues with obscure configurations.
Thanks to Athira Rajeev, Cédric Le Goater, Christophe Leroy, Christoph
Plattner, Greg Kurz, Jordan Niethe, Laurent Vivier, Ravi Bangoria,
Tyrel Datwyler, and Uwe Kleine-König"
* tag 'powerpc-5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/sstep: Fix VSX instruction emulation
powerpc/perf: Fix handling of privilege level checks in perf interrupt context
powerpc: Force inlining of mmu_has_feature to fix build failure
vio: make remove callback return void
powerpc/syscall: Force inlining of __prep_irq_for_enabled_exit()
powerpc/603: Fix protection of user pages mapped with PROT_NONE
powerpc/pseries: Don't enforce MSI affinity with kdump
powerpc/4xx: Fix build errors from mfdcr()
- Fix virt_addr_valid() W=1 compiler warnings.
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Merge tag 'm68k-for-v5.12-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k fix from Geert Uytterhoeven:
"Fix virt_addr_valid() W=1 compiler warnings.
This is a single non-critical fix. As the build bots are now testing
all new code with W=1, these warnings are popping up everywhere,
confusing people. Hence I think it makes sense to silence it as soon
as possible"
* tag 'm68k-for-v5.12-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k: Fix virt_addr_valid() W=1 compiler warnings
Alistair Francis