The EDT ET057090DHU panel has a DPI connector and not LVDS. This patch
corrects the panel's description.
Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Fixes: 94f07917eb ("drm/panel-simple: Add missing connector type for some panels")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20200621222742.25695-2-digetx@gmail.com
Stable Fixes:
- xprtrdma: Fix handling of RDMA_ERROR replies
- sunrpc: Fix rollback in rpc_gssd_dummy_populate()
- pNFS/flexfiles: Fix list corruption if the mirror count changes
- NFSv4: Fix CLOSE not waiting for direct IO completion
- SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment()
Other Fixes:
- xprtrdma: Fix a use-after-free with r_xprt->rx_ep
- Fix other xprtrdma races during disconnect
- NFS: Fix memory leak of export_path
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Merge tag 'nfs-for-5.8-2' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client bugfixes from Anna Schumaker:
"Stable Fixes:
- xprtrdma: Fix handling of RDMA_ERROR replies
- sunrpc: Fix rollback in rpc_gssd_dummy_populate()
- pNFS/flexfiles: Fix list corruption if the mirror count changes
- NFSv4: Fix CLOSE not waiting for direct IO completion
- SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment()
Other Fixes:
- xprtrdma: Fix a use-after-free with r_xprt->rx_ep
- Fix other xprtrdma races during disconnect
- NFS: Fix memory leak of export_path"
* tag 'nfs-for-5.8-2' of git://git.linux-nfs.org/projects/anna/linux-nfs:
SUNRPC: Properly set the @subbuf parameter of xdr_buf_subsegment()
NFSv4 fix CLOSE not waiting for direct IO compeletion
pNFS/flexfiles: Fix list corruption if the mirror count changes
nfs: Fix memory leak of export_path
sunrpc: fixed rollback in rpc_gssd_dummy_populate()
xprtrdma: Fix handling of RDMA_ERROR replies
xprtrdma: Clean up disconnect
xprtrdma: Clean up synopsis of rpcrdma_flush_disconnect()
xprtrdma: Use re_connect_status safely in rpcrdma_xprt_connect()
xprtrdma: Prevent dereferencing r_xprt->rx_ep after it is freed
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Merge tag 'io_uring-5.8-2020-06-26' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Three small fixes:
- Close a corner case for polled IO resubmission (Pavel)
- Toss commands when exiting (Pavel)
- Fix SQPOLL conditional reschedule on perpetually busy submit
(Xuan)"
* tag 'io_uring-5.8-2020-06-26' of git://git.kernel.dk/linux-block:
io_uring: fix current->mm NULL dereference on exit
io_uring: fix hanging iopoll in case of -EAGAIN
io_uring: fix io_sq_thread no schedule when busy
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Merge tag 'block-5.8-2020-06-26' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- NVMe pull request from Christoph:
- multipath deadlock fixes (Anton)
- NUMA fixes (Max)
- RDMA completion vector fix (Max)
- IO deadlock fix (Sagi)
- multipath reference fix (Sagi)
- NS mutation fix (Sagi)
- Use right allocator when freeing bip in error path (Chengguang)
* tag 'block-5.8-2020-06-26' of git://git.kernel.dk/linux-block:
nvme-multipath: fix bogus request queue reference put
nvme-multipath: fix deadlock due to head->lock
nvme: don't protect ns mutation with ns->head->lock
nvme-multipath: fix deadlock between ana_work and scan_work
nvme: fix possible deadlock when I/O is blocked
nvme-rdma: assign completion vector correctly
nvme-loop: initialize tagset numa value to the value of the ctrl
nvme-tcp: initialize tagset numa value to the value of the ctrl
nvme-pci: initialize tagset numa value to the value of the ctrl
nvme-pci: override the value of the controller's numa node
nvme: set initial value for controller's numa node
block: release bip in a right way in error path
Considering the amount of dm-zoned changes that went in during the
5.8 merge window these fixes are not that surprising.
- A few DM writecache target fixes.
- A fix to Documentation index to include DM ebs target docs.
- Small cleanup to use struct_size() in DM core's retrieve_deps().
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Merge tag 'for-5.8/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- Quite a few DM zoned target fixes and a Zone append fix in DM core.
Considering the amount of dm-zoned changes that went in during the
5.8 merge window these fixes are not that surprising.
- A few DM writecache target fixes.
- A fix to Documentation index to include DM ebs target docs.
- Small cleanup to use struct_size() in DM core's retrieve_deps().
* tag 'for-5.8/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm writecache: add cond_resched to loop in persistent_memory_claim()
dm zoned: Fix reclaim zone selection
dm zoned: Fix random zone reclaim selection
dm: update original bio sector on Zone Append
dm zoned: Fix metadata zone size check
docs: device-mapper: add dm-ebs.rst to an index file
dm ioctl: use struct_size() helper in retrieve_deps()
dm writecache: skip writecache_wait when using pmem mode
dm writecache: correct uncommitted_block when discarding uncommitted entry
dm zoned: assign max_io_len correctly
dm zoned: fix uninitialized pointer dereference
The main change here is a fix for a number of unsafe interactions
between kdb and the console system. The fixes are specific to kdb (pure
kgdb debugging does not use the console system at all). On systems with
an NMI then kdb, if it is enabled, must get messages to the user despite
potentially running from some "difficult" calling contexts. These fixes
avoid using the console system where we have been provided an
alternative (safer) way to interact with the user and, if using the
console system in unavoidable, use oops_in_progress for deadlock
avoidance. These fixes also ensure kdb honours the console enable flag.
Also included is a fix that wraps kgdb trap handling in an RCU read lock
to avoids triggering diagnostic warnings. This is a wide lock scope but
this is OK because kgdb is a stop-the-world debugger. When we stop the
world we put all the CPUs into holding pens and this inhibits RCU update
anyway.
Signed-off-by: Daniel Thompson <daniel.thompson@linaro.org>
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Merge tag 'kgdb-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux
Pull kgdb fixes from Daniel Thompson:
"The main change here is a fix for a number of unsafe interactions
between kdb and the console system. The fixes are specific to kdb
(pure kgdb debugging does not use the console system at all). On
systems with an NMI then kdb, if it is enabled, must get messages to
the user despite potentially running from some "difficult" calling
contexts. These fixes avoid using the console system where we have
been provided an alternative (safer) way to interact with the user
and, if using the console system in unavoidable, use oops_in_progress
for deadlock avoidance. These fixes also ensure kdb honours the
console enable flag.
Also included is a fix that wraps kgdb trap handling in an RCU read
lock to avoids triggering diagnostic warnings. This is a wide lock
scope but this is OK because kgdb is a stop-the-world debugger. When
we stop the world we put all the CPUs into holding pens and this
inhibits RCU update anyway"
* tag 'kgdb-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/danielt/linux:
kgdb: Avoid suspicious RCU usage warning
kdb: Switch to use safer dbg_io_ops over console APIs
kdb: Make kdb_printf() console handling more robust
kdb: Check status of console prior to invoking handlers
kdb: Re-factor kdb_printf() message write code
A fix for a crash in nested KVM when CONFIG_DEBUG_VIRTUAL=y.
Two minor build fixes.
Thanks to:
Aneesh Kumar K.V, Arseny Solokha, Harish.
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Merge tag 'powerpc-5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
- A fix for a crash in nested KVM when CONFIG_DEBUG_VIRTUAL=y.
- Two minor build fixes.
Thanks to: Aneesh Kumar K.V, Arseny Solokha, Harish.
* tag 'powerpc-5.8-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
selftests/powerpc: Fix build failure in ebb tests
powerpc/kvm/book3s64: Fix kernel crash with nested kvm & DEBUG_VIRTUAL
powerpc/fsl_booke/32: Fix build with CONFIG_RANDOMIZE_BASE
This contains a handful of fixes I'd like to target for rc3. Most of them fix
issues with the conversion of our vDSO to C. There is also one fix to the
SiFive PRCI driver that I picked up as it's causing boot issues on the
hardware.
* A fix to allow kernels with dynamic ftrace to use the vDSO.
* Some build fixes for the C vDSO functions.
* A fix to the PRCI driver's memory allocation, which was the cause of some
boot panics with FREELIST_RANDOM.
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Merge tag 'riscv-for-linus-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"This contains a handful of fixes I'd like to target for rc3.
Most of them fix issues with the conversion of our vDSO to C. There is
also one fix to the SiFive PRCI driver that I picked up as it's
causing boot issues on the hardware.
- A fix to allow kernels with dynamic ftrace to use the vDSO.
- Some build fixes for the C vDSO functions.
- A fix to the PRCI driver's memory allocation, which was the cause
of some boot panics with FREELIST_RANDOM"
* tag 'riscv-for-linus-5.8-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: Fixup __vdso_gettimeofday broke dynamic ftrace
riscv: Add extern declarations for vDSO time-related functions
clk: sifive: allocate sufficient memory for struct __prci_data
riscv: Add -fPIC option to CFLAGS_vgettimeofday.o
- Fix unwinding through vDSO sigreturn trampoline
- Fix build warnings by raising minimum LD version for PAC
- Whitelist some Kryo Cortex-A55 derivatives for Meltdown and SSB
- Fix perf register PC reporting for compat tasks
- Fix 'make clean' warning for arm64 signal selftests
- Fix ftrace when BTI is compiled in
- Avoid building the compat vDSO using GCC plugins
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"The big fix here is to our vDSO sigreturn trampoline as, after a
painfully long stint of debugging, it turned out that fixing some of
our CFI directives in the merge window lit up a bunch of logic in
libgcc which has been shown to SEGV in some cases during asynchronous
pthread cancellation.
It looks like we can fix this by extending the directives to restore
most of the interrupted register state from the sigcontext, but it's
risky and hard to test so we opted to remove the CFI directives for
now and rely on the unwinder fallback path like we used to.
- Fix unwinding through vDSO sigreturn trampoline
- Fix build warnings by raising minimum LD version for PAC
- Whitelist some Kryo Cortex-A55 derivatives for Meltdown and SSB
- Fix perf register PC reporting for compat tasks
- Fix 'make clean' warning for arm64 signal selftests
- Fix ftrace when BTI is compiled in
- Avoid building the compat vDSO using GCC plugins"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: Add KRYO{3,4}XX silver CPU cores to SSB safelist
arm64: perf: Report the PC value in REGS_ABI_32 mode
kselftest: arm64: Remove redundant clean target
arm64: kpti: Add KRYO{3, 4}XX silver CPU cores to kpti safelist
arm64: Don't insert a BTI instruction at inner labels
arm64: vdso: Don't use gcc plugins for building vgettimeofday.c
arm64: vdso: Only pass --no-eh-frame-hdr when linker supports it
arm64: Depend on newer binutils when building PAC
arm64: compat: Remove 32-bit sigreturn code from the vDSO
arm64: compat: Always use sigpage for sigreturn trampoline
arm64: compat: Allow 32-bit vdso and sigpage to co-exist
arm64: vdso: Disable dwarf unwinding through the sigreturn trampoline
This reverts commit 2ae11c46d5.
It turned out to break the ultra96-rev1, e.g., which uses uart1 as
serial0 (and stdout-path = "serial0:115200n8").
Fixes: 2ae11c46d5 ("tty: xilinx_uartps: Fix missing id assignment to the console")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/f4092727-d8f5-5f91-2c9f-76643aace993@siemens.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The sysrq timestamp will never be set unless port->has_sysrq is set (see
uart_handle_break()) so drop the redundant checks that were added by
commit 1997e9dfdc ("serial_core: Un-ifdef sysrq SUPPORT_SYSRQ").
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://lore.kernel.org/r/20200610152232.16925-4-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit 8e20fc3917 ("serial_core: Move sysrq functions from header
file") converted the inline sysrq helpers to exported functions which
are now called for every received character, interrupt and break signal
also on systems without CONFIG_MAGIC_SYSRQ_SERIAL instead of being
optimised away by the compiler.
Inlining these helpers again also avoids the function call overhead when
CONFIG_MAGIC_SYSRQ_SERIAL is enabled (e.g. when the port is not used as
a console).
Fixes: 8e20fc3917 ("serial_core: Move sysrq functions from header file")
Cc: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: stable <stable@vger.kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Link: https://lore.kernel.org/r/20200610152232.16925-3-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This reverts commit da9a5aa340.
In order to ease backporting a fix for a sysrq regression, revert this
rewrite which was since added on top.
The other sysrq helpers now bail out early when sysrq is not enabled;
it's better to keep that pattern here as well.
Note that the __releases() attribute won't be needed after the follow-on
fix either.
Fixes: da9a5aa340 ("serial: core: Refactor uart_unlock_and_check_sysrq()")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200610152232.16925-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
platform_get_irq() provides an established error code and error message.
Also, it's better to use dedicated API to retrieve Linux IRQ resource.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com>
Link: https://lore.kernel.org/r/20200618122952.88265-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
platform_get_irq() provides an established error code and error message.
Also, it's better to use dedicated API to retrieve Linux IRQ resource.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200618123320.88612-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
platform_get_irq() provides an established error code and error message.
Also, it's better to use dedicated API to retrieve Linux IRQ resource.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200618122744.88204-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
platform_get_irq() provides an established error code and error message.
Also, it's better to use dedicated API to retrieve Linux IRQ resource.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200618122024.87170-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
platform_get_irq() provides an established error code and error message.
Also, it's better to use dedicated API to retrieve Linux IRQ resource.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20200618095144.73852-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In commit a4912303ac ("serial: kgdboc: Allow earlycon initialization
to be deferred") it looks like Daniel really took Linus's new
suggestion about not needing to wrap at 80 columns to heart and he
jammed two full lines of comments into one line. Either that or he
just somehow accidentally deleted a carriage return when doing final
edits on the patch. In either case let's make it look prettier.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://lore.kernel.org/r/20200602124044.1.Iee31247bc080d42a02e167454b1225a1b4283705@changeid
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Since dev_err() calls can lead to synchronous writes to another serial
console these calls can provide significant latency during irq-handling
in tegra_uart_isr(). With this latency another interrupt is likely to
apper during handling of the first interrupt, which might lock up the
kernel completely.
These errors are reported to the error counters so converting the
dev_err() to dev_dbg() is appropriate.
Signed-off-by: Randolph Maaßen <gaireg@gaireg.de>
Link: https://lore.kernel.org/r/20200605145714.9964-1-gaireg@gaireg.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
get_num_ports returns -ENODEV, and the result is stored in int, so it
should not be unsigned. Zero ports does not seem to make sense, so
make that check consistent.
Signed-off-by: Pavel Machek (CIP) <pavel@denx.de>
Link: https://lore.kernel.org/r/20200606151146.GA10940@amd
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Drop the recently added gpio include from the serial-core header in
favour of a forward declaration and instead include the gpio header only
where needed.
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20200610155121.14014-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add serial interface driver for the SCD30 sensor.
Signed-off-by: Tomasz Duszynski <tomasz.duszynski@octakon.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add I2C interface driver for the SCD30 sensor.
Signed-off-by: Tomasz Duszynski <tomasz.duszynski@octakon.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a timestamping mechanism for buffer that provides accurate
event timestamps when using watermark. This mechanism estimates
device internal clock by comparing FIFO interrupts delta time and
device elapsed time computed by parsing FIFO data.
Take interrupt timestamp in hard irq handler and add IIO device
specific timestamp structures in device private allocation.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add all FIFO parsing and reading functions. Add accel and gyro
kfifo buffer and FIFO data parsing. Use device interrupt for
reading data FIFO and launching accel and gyro parsing.
Support hwfifo watermark by multiplexing gyro and accel settings.
Support hwfifo flush.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add INT1 interrupt support. Support interrupt edge and level,
active high or low. Push-pull or open-drain configurations.
Interrupt will be used to read data from the FIFO.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Hardware offset available as calibscale sysfs attributes are real
physical values exprimed in SI units.
calibscale_available sysfs attributes represents the range of
acceptable values.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add temperature channel in gyroscope and accelerometer devices.
Temperature is available in full 16 bits resolution when reading
register and in low 8 bits resolution in the FIFO. Return full
precision raw temperature with corresponding scale and offset.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add SPI driver for InvenSense ICM-426xxx devices.
Configure bus signal slew rates as indicated in the datasheet.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add I2C driver for InvenSense ICM-426xxx devices.
Configure bus signal slew rates as indicated in the datasheet.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Core component of a new driver for InvenSense ICM-426xx devices.
It includes registers definition, main probe/setup, and device
utility functions.
ICM-426xx devices are latest generation of 6-axis IMU,
gyroscope+accelerometer and temperature sensor. This device
includes a 2K FIFO, supports I2C/I3C/SPI, and provides
intelligent motion features like pedometer, tilt detection,
and tap detection.
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add a common function used for read_raw callback for both PMIC5
and PMIC7 ADCs.
Signed-off-by: Jishnu Prakash <jprakash@codeaurora.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Add the ability to also support access via (triggered) buffers
next to the existing direct mode.
Device in question is the Odroid Go Advance that connects a joystick
to two of the saradc channels for X and Y axis and the new (and still
pending) adc joystick driver of course wants to use triggered buffers
from the iio subsystem.
Signed-off-by: Simon Xue <xxm@rock-chips.com>
[some simplifications and added commit description]
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
As suggested give the current ADC_CHANNEL constant a distinct
and consistent prefix.
Suggested-by: Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Parts of the saradc probe rely on devm functions and later parts do not.
This makes it more difficult to for example enable triggers via their
devm-functions and would need more undo-work in remove.
So to make life easier for the driver, move the rest of probe calls
also to their devm-equivalents.
This includes moving the clk- and regulator-disabling to a devm_action
so that they gets disabled both during remove and in the error case
in probe, after the action is registered.
Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The formula for the baud rate is
baud rate = "baud clock / ((OSR+1) × SBR)
Algorithm used in function lpuart32_serial_setbrg() only changes
the SBR. Even with maxmum value put in, OSR stays at 0x7 and the
lowest baud rate would be ~ 2600 bps
Update the algorithm to allow driver operation at 1200,2400 or 600 bps
Signed-off-by: Vabhav Sharma <vabhav.sharma@nxp.com>
Link: https://lore.kernel.org/r/1593170434-13524-1-git-send-email-vabhav.sharma@oss.nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The ARRAY_SIZE() is the number of elements but we want the number of
bytes so sizeof() is more appropriate. Fortunately, it's the same
thing here because this is an array of u8 so this doesn't change
runtime.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20200624132744.GD9972@mwanda
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
devm_gpiod_get_index() doesn't return NULL but -ENOENT when the
requested GPIO doesn't exist, leading to the following messages:
[ 2.742468] gpiod_direction_input: invalid GPIO (errorpointer)
[ 2.748147] can't set direction for gpio #2: -2
[ 2.753081] gpiod_direction_input: invalid GPIO (errorpointer)
[ 2.758724] can't set direction for gpio #3: -2
[ 2.763666] gpiod_direction_output: invalid GPIO (errorpointer)
[ 2.769394] can't set direction for gpio #4: -2
[ 2.774341] gpiod_direction_input: invalid GPIO (errorpointer)
[ 2.779981] can't set direction for gpio #5: -2
[ 2.784545] ff000a20.serial: ttyCPM1 at MMIO 0xfff00a20 (irq = 39, base_baud = 8250000) is a CPM UART
Use devm_gpiod_get_index_optional() instead.
At the same time, handle the error case and properly exit
with an error.
Fixes: 97cbaf2c82 ("tty: serial: cpm_uart: Convert to use GPIO descriptors")
Cc: stable@vger.kernel.org
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/694a25fdce548c5ee8b060ef6a4b02746b8f25c0.1591986307.git.christophe.leroy@csgroup.eu
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a spelling mistake in a comment. Fix it.
Signed-off-by: Tamseel Shams <m.shams@samsung.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20200617105907.7143-1-m.shams@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make the code slightly more readable by removing unneeded line breaks,
adding missing line breaks and white spaces. This also fixes few strict
checkpatch suggestions:
CHECK: spaces preferred around that '-' (ctx:VxV)
CHECK: Unbalanced braces around else statement
CHECK: Lines should not end with a '('
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200617152856.18086-1-krzk@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
