In case the F/W fails to initialize the thermal sensors, print an
appropriate error message to kernel log and fail the device
initialization.
Reviewed-by: Tomer Tayar <ttayar@habana.ai>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20191120134056.14677-1-krzk@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with command like:
$ sed -e 's/^ /\t/' -i */Kconfig
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20191120134247.16073-1-krzk@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit a753bfcfdb ("intel_th: Make the switch allocate its subdevices")
factored out intel_th_subdevice_alloc() from intel_th_populate(), but got
the error path wrong, resulting in two instances of a double put_device()
on a freshly initialized, but not 'added' device.
Fix this by only doing one put_device() in the error path.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Fixes: a753bfcfdb ("intel_th: Make the switch allocate its subdevices")
Reported-by: Wen Yang <wenyang@linux.alibaba.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: stable@vger.kernel.org # v4.14+
Link: https://lore.kernel.org/r/20191120130806.44028-2-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.
This is detected by Coccinelle semantic patch.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Tested-by: Yabin Cui <yabinc@google.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20191118185207.30441-3-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.
This is detected by Coccinelle semantic patch.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Tested-by: Yabin Cui <yabinc@google.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20191118185207.30441-2-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
On zang's Dell XPS 13 9370 after Thunderbolt NVM firmware upgrade the
Thunderbolt controller did not come back as expected. Only after the
system was rebooted it became available again. It is not entirely clear
what happened but I suspect the new NVM firmware image authentication
failed for some reason. Regardless of this the router needs to be power
cycled if NVM authentication fails in order to get it fully functional
again.
This modifies the driver to issue a power cycle in case the NVM
authentication fails immediately when dma_port_flash_update_auth()
returns. We also need to call tb_switch_set_uuid() earlier to be able to
fetch possible NVM authentication failure when DMA port is added.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=205457
Reported-by: zang <dump@tzib.net>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Export more client attributes via sysfs that are usually obtained
upon connection. In some cases, for example a monitoring application
may wish to know the attributes without actually performing the connection.
Added attributes:
max number of connections, fixed address, max message length.
Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Link: https://lore.kernel.org/r/20191116142136.17535-1-tomas.winkler@intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Commit c7fd62bc69 ("stm class: Introduce framing protocol drivers")
forgot to tear down the link between an stm device and its protocol
driver when policy is removed. This leads to an invalid pointer reference
if one tries to write to an stm device after the policy has been removed
and the protocol driver module unloaded, leading to the below splat:
> BUG: unable to handle page fault for address: ffffffffc0737068
> #PF: supervisor read access in kernel mode
> #PF: error_code(0x0000) - not-present page
> PGD 3d780f067 P4D 3d780f067 PUD 3d7811067 PMD 492781067 PTE 0
> Oops: 0000 [#1] SMP NOPTI
> CPU: 1 PID: 26122 Comm: cat Not tainted 5.4.0-rc5+ #1
> RIP: 0010:stm_output_free+0x40/0xc0 [stm_core]
> Call Trace:
> stm_char_release+0x3e/0x70 [stm_core]
> __fput+0xc6/0x260
> ____fput+0xe/0x10
> task_work_run+0x9d/0xc0
> exit_to_usermode_loop+0x103/0x110
> do_syscall_64+0x19d/0x1e0
> entry_SYSCALL_64_after_hwframe+0x44/0xa9
Fix this by tearing down the link from an stm device to its protocol
driver when the policy involving that driver is removed.
Signed-off-by: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Fixes: c7fd62bc69 ("stm class: Introduce framing protocol drivers")
Reported-by: Ammy Yi <ammy.yi@intel.com>
Tested-by: Ammy Yi <ammy.yi@intel.com>
CC: stable@vger.kernel.org # v4.20+
Link: https://lore.kernel.org/r/20191114064201.43089-2-alexander.shishkin@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The older versions of remote system update (RSU) firmware don't support
retry and notify features then the kernel module dies when it queries
the RSU retry counter or performs notify operation.
Update the Intel service layer and RSU drivers to be compatible with
all versions of RSU firmware.
Reported-by: Radu Barcau <radu.bacrau@intel.com>
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Richard Gong <richard.gong@intel.com>
Link: https://lore.kernel.org/r/1572884676-1385-1-git-send-email-richard.gong@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add support for new chip rts5261.
In order to support rts5261, the definitions of some internal registers
and workflow have to be modified and are different from its predecessors.
So we need this patch to ensure RTS5261 can work.
Signed-off-by: Rui Feng <rui_feng@realsil.com.cn>
Link: https://lore.kernel.org/r/1571645105-5028-1-git-send-email-rui_feng@realsil.com.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Include cs_internal.h (and pcmcia/cistpl.h as required by
cs_internal.h) for the declearions of cb_alloc and cb_free
to silence the following sparse warnings;
drivers/pcmcia/cardbus.c:64:11: warning: symbol 'cb_alloc' was not declared. Should it be static?
drivers/pcmcia/cardbus.c:103:6: warning: symbol 'cb_free' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Link: https://lore.kernel.org/r/20191017114059.10989-1-ben.dooks@codethink.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Include <pcmcia/ds.h> for pcmcia_parse_tuple declaration
to fix the following sparse warning:
drivers/pcmcia/cistpl.c:1287:5: warning: symbol 'pcmcia_parse_tuple' was not declared. Should it be static?
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Link: https://lore.kernel.org/r/20191017114447.20455-1-ben.dooks@codethink.co.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This patch fixes - warning: Function parameter or member 'of_match_table'
not described in 'w1_family'
Signed-off-by: Dhanuka Warusadura <csx@disroot.org>
Link: https://lore.kernel.org/r/20191028110744.6523-1-csx@disroot.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This change also does a bit of a unification for the IRQ init code.
But the actual problem is that UIO_IRQ_NONE == 0, so for the DT case where
UIO_IRQ_NONE gets assigned to `uioinfo->irq`, a 2nd initialization will get
triggered (for the IRQ) and this one will exit via `goto bad1`.
As far as things seem to go, the only case where UIO_IRQ_NONE seems valid,
is when using a device-tree. The driver has some legacy support for old
platform_data structures. It looks like, for platform_data a non-existent
IRQ is an invalid case (or was considered an invalid case).
Which is why -ENXIO is treated only when a DT is used.
Signed-off-by: Dragos Bogdan <dragos.bogdan@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Acked-by: Damian Hobson-Garcia <dhobsong@igel.co.jp>
Link: https://lore.kernel.org/r/20191105073212.16719-1-alexandru.ardelean@analog.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The old loop wouldn't stop when reaching `start` if `start==NULL`, instead
continuing backwards to index -1 and crashing.
Luckily you need to be highly privileged to map things at NULL, so it's not
a big problem.
Fix it by adjusting the loop so that the loop variable is always in bounds.
This patch is deliberately minimal to simplify backporting, but IMO this
function could use a refactor. The jump labels in the second loop body are
horrible (the error gotos should be jumping to free_range instead), and
both loops would look nicer if they just iterated upwards through indices.
And the up_read()+mmput() shouldn't be duplicated like that.
Cc: stable@vger.kernel.org
Fixes: 457b9a6f09 ("Staging: android: add binder driver")
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191018205631.248274-3-jannh@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
binder_alloc_mmap_handler() attempts to detect the use of ->mmap() on a
binder_proc whose binder_alloc has already been initialized by checking
whether alloc->buffer is non-zero.
Before commit 880211667b ("binder: remove kernel vm_area for buffer
space"), alloc->buffer was a kernel mapping address, which is always
non-zero, but since that commit, it is a userspace mapping address.
A sufficiently privileged user can map /dev/binder at NULL, tricking
binder_alloc_mmap_handler() into assuming that the binder_proc has not been
mapped yet. This leads to memory unsafety.
Luckily, no context on Android has such privileges, and on a typical Linux
desktop system, you need to be root to do that.
Fix it by using the mapping size instead of the mapping address to
distinguish the mapped case. A valid VMA can't have size zero.
Fixes: 880211667b ("binder: remove kernel vm_area for buffer space")
Cc: stable@vger.kernel.org
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191018205631.248274-2-jannh@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
binder_alloc_print_pages() iterates over
alloc->pages[0..alloc->buffer_size-1] under alloc->mutex.
binder_alloc_mmap_handler() writes alloc->pages and alloc->buffer_size
without holding that lock, and even writes them before the last bailout
point.
Unfortunately we can't take the alloc->mutex in the ->mmap() handler
because mmap_sem can be taken while alloc->mutex is held.
So instead, we have to locklessly check whether the binder_alloc has been
fully initialized with binder_alloc_get_vma(), like in
binder_alloc_new_buf_locked().
Fixes: 8ef4665aa1 ("android: binder: Add page usage in binder stats")
Cc: stable@vger.kernel.org
Signed-off-by: Jann Horn <jannh@google.com>
Acked-by: Christian Brauner <christian.brauner@ubuntu.com>
Link: https://lore.kernel.org/r/20191018205631.248274-1-jannh@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Modify parport daisy driver to use the new parallel port device model.
Last attempt was '1aec4211204d ("parport: daisy: use new parport device
model")' which failed as daisy was also trying to load the low level
driver and that resulted in a deadlock.
Cc: Michal Kubecek <mkubecek@suse.cz>
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Tested-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20191016144540.18810-4-sudipm.mukherjee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Usually all the distro will load the parport low level driver as part
of their initialization. But we can get into a situation where all the
parallel port drivers are built as module and we unload all the modules
at a later time. Then if we just do "modprobe parport" it will only
load the parport module and will not load the low level driver which
will actually register the ports. So, check the bus if there is any
parport registered, if not, load the low level driver.
We can get into the above situation with all distro but only Suse has
setup the alias for "parport_lowlevel" and so it only works in Suse.
Users of Debian based distro will need to load the lowlevel module
manually.
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lore.kernel.org/r/20191016144540.18810-3-sudipm.mukherjee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
We do not need to maintain a list of ports when we are using the
device-model. The base layer is going to maintain the list for us and
we can get the list of ports just using bus_for_each_dev().
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Link: https://lore.kernel.org/r/20191016144540.18810-2-sudipm.mukherjee@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The layout of struct timeval is different on sparc64 from
anything else, and the patch I did long ago failed to take
this into account.
Change it now to handle sparc64 user space correctly again.
Quite likely nobody cares about parallel ports on sparc64,
but there is no reason not to fix it.
Cc: stable@vger.kernel.org
Fixes: 9a45048408 ("lp: support 64-bit time_t user space")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20191108203435.112759-7-arnd@arndb.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Going through the uses of timeval in the user space API,
I noticed two bugs in ppdev that were introduced in the y2038
conversion:
* The range check was accidentally moved from ppsettime to
ppgettime
* On sparc64, the microseconds are in the other half of the
64-bit word.
Fix both, and mark the fix for stable backports.
Cc: stable@vger.kernel.org
Fixes: 3b9ab374a1 ("ppdev: convert to y2038 safe")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20191108203435.112759-8-arnd@arndb.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
A set of fixes that have trickled in over the last couple of weeks:
- MAINTAINER update for Cavium/Marvell ThunderX2
- stm32 tweaks to pinmux for Joystick/Camera, and RAM allocation for CAN
interfaces
- i.MX fixes for voltage regulator GPIO mappings, fixes voltage scaling
issues
- More i.MX fixes for various issues on i.MX eval boards: interrupt
storm due to u-boot leaving pins in new states, fixing power button
config, a couple of compatible-string corrections.
- Powerdown and Suspend/Resume fixes for Allwinner A83-based tablets
- A few documentation tweaks and a fix of a memory leak in the reset
subsystem
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Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC fixes from Olof Johansson:
"A set of fixes that have trickled in over the last couple of weeks:
- MAINTAINER update for Cavium/Marvell ThunderX2
- stm32 tweaks to pinmux for Joystick/Camera, and RAM allocation for
CAN interfaces
- i.MX fixes for voltage regulator GPIO mappings, fixes voltage
scaling issues
- More i.MX fixes for various issues on i.MX eval boards: interrupt
storm due to u-boot leaving pins in new states, fixing power button
config, a couple of compatible-string corrections.
- Powerdown and Suspend/Resume fixes for Allwinner A83-based tablets
- A few documentation tweaks and a fix of a memory leak in the reset
subsystem"
* tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc:
MAINTAINERS: update Cavium ThunderX2 maintainers
ARM: dts: stm32: change joystick pinctrl definition on stm32mp157c-ev1
ARM: dts: stm32: remove OV5640 pinctrl definition on stm32mp157c-ev1
ARM: dts: stm32: Fix CAN RAM mapping on stm32mp157c
ARM: dts: stm32: relax qspi pins slew-rate for stm32mp157
arm64: dts: zii-ultra: fix ARM regulator GPIO handle
ARM: sunxi: Fix CPU powerdown on A83T
ARM: dts: sun8i-a83t-tbs-a711: Fix WiFi resume from suspend
arm64: dts: imx8mn: fix compatible string for sdma
arm64: dts: imx8mm: fix compatible string for sdma
reset: fix reset_control_ops kerneldoc comment
ARM: dts: imx6-logicpd: Re-enable SNVS power key
soc: imx: gpc: fix initialiser format
ARM: dts: imx6qdl-sabreauto: Fix storm of accelerometer interrupts
arm64: dts: ls1028a: fix a compatible issue
reset: fix reset_control_get_exclusive kerneldoc comment
reset: fix reset_control_lookup kerneldoc comment
reset: fix of_reset_control_get_count kerneldoc comment
reset: fix of_reset_simple_xlate kerneldoc comment
reset: Fix memory leak in reset_control_array_put()
Here is a mix of a number of IIO driver fixes for 5.4-rc7, and a whole
new staging driver.
The IIO fixes resolve some reported issues, all are tiny.
The staging driver addition is the vboxsf filesystem, which is the
VirtualBox guest shared folder code. Hans has been trying to get
filesystem reviewers to review the code for many months now, and
Christoph finally said to just merge it in staging now as it is
stand-alone and the filesystem people can review it easier over time
that way.
I know it's late for this big of an addition, but it is stand-alone.
The code has been in linux-next for a while, long enough to pick up a
few tiny fixes for it already so people are looking at it.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull IIO fixes and staging driver from Greg KH:
"Here is a mix of a number of IIO driver fixes for 5.4-rc7, and a whole
new staging driver.
The IIO fixes resolve some reported issues, all are tiny.
The staging driver addition is the vboxsf filesystem, which is the
VirtualBox guest shared folder code. Hans has been trying to get
filesystem reviewers to review the code for many months now, and
Christoph finally said to just merge it in staging now as it is
stand-alone and the filesystem people can review it easier over time
that way.
I know it's late for this big of an addition, but it is stand-alone.
The code has been in linux-next for a while, long enough to pick up a
few tiny fixes for it already so people are looking at it.
All of these have been in linux-next with no reported issues"
* tag 'staging-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: Fix error return code in vboxsf_fill_super()
staging: vboxsf: fix dereference of pointer dentry before it is null checked
staging: vboxsf: Remove unused including <linux/version.h>
staging: Add VirtualBox guest shared folder (vboxsf) support
iio: adc: stm32-adc: fix stopping dma
iio: imu: inv_mpu6050: fix no data on MPU6050
iio: srf04: fix wrong limitation in distance measuring
iio: imu: adis16480: make sure provided frequency is positive
Here are a number of late-arrival driver fixes for issues reported for
some char/misc drivers for 5.4-rc7
These all come from the different subsystem/driver maintainers as things
that they had reports for and wanted to see fixed.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a number of late-arrival driver fixes for issues reported for
some char/misc drivers for 5.4-rc7
These all come from the different subsystem/driver maintainers as
things that they had reports for and wanted to see fixed.
All of these have been in linux-next with no reported issues"
* tag 'char-misc-5.4-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
intel_th: pci: Add Jasper Lake PCH support
intel_th: pci: Add Comet Lake PCH support
intel_th: msu: Fix possible memory leak in mode_store()
intel_th: msu: Fix overflow in shift of an unsigned int
intel_th: msu: Fix missing allocation failure check on a kstrndup
intel_th: msu: Fix an uninitialized mutex
intel_th: gth: Fix the window switching sequence
soundwire: slave: fix scanf format
soundwire: intel: fix intel_register_dai PDI offsets and numbers
interconnect: Add locking in icc_set_tag()
interconnect: qcom: Fix icc_onecell_data allocation
soundwire: depend on ACPI || OF
soundwire: depend on ACPI
thunderbolt: Drop unnecessary read when writing LC command in Ice Lake
thunderbolt: Fix lockdep circular locking depedency warning
thunderbolt: Read DP IN adapter first two dwords in one go
- fix a regression from this merge window in the configfs
symlink handling (Honggang Li)
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Merge tag 'configfs-for-5.4-2' of git://git.infradead.org/users/hch/configfs
Pull configfs regression fix from Christoph Hellwig:
"Fix a regression from this merge window in the configfs symlink
handling (Honggang Li)"
* tag 'configfs-for-5.4-2' of git://git.infradead.org/users/hch/configfs:
configfs: calculate the depth of parent item
Pull x86 fixes from Thomas Gleixner:
"A small set of fixes for x86:
- Make the tsc=reliable/nowatchdog command line parameter work again.
It was broken with the introduction of the early TSC clocksource.
- Prevent the evaluation of exception stacks before they are set up.
This causes a crash in dumpstack because the stack walk termination
gets screwed up.
- Prevent a NULL pointer dereference in the rescource control file
system.
- Avoid bogus warnings about APIC id mismatch related to the LDR
which can happen when the LDR is not in use and therefore not
initialized. Only evaluate that when the APIC is in logical
destination mode"
* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/tsc: Respect tsc command line paraemeter for clocksource_tsc_early
x86/dumpstack/64: Don't evaluate exception stacks before setup
x86/apic/32: Avoid bogus LDR warnings
x86/resctrl: Prevent NULL pointer dereference when reading mondata
Pull timer fixes from Thomas Gleixner:
"A small set of fixes for timekeepoing and clocksource drivers:
- VDSO data was updated conditional on the availability of a VDSO
capable clocksource. This causes the VDSO functions which do not
depend on a VDSO capable clocksource to operate on stale data.
Always update unconditionally.
- Prevent a double free in the mediatek driver
- Use the proper helper in the sh_mtu2 driver so it won't attempt to
initialize non-existing interrupts"
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
timekeeping/vsyscall: Update VDSO data unconditionally
clocksource/drivers/sh_mtu2: Do not loop using platform_get_irq_by_name()
clocksource/drivers/mediatek: Fix error handling
Pull scheduler fixes from Thomas Gleixner:
"Two fixes for scheduler regressions:
- Plug a subtle race condition which was introduced with the rework
of the next task selection functionality. The change of task
properties became unprotected which can be observed inconsistently
causing state corruption.
- A trivial compile fix for CONFIG_CGROUPS=n"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched: Fix pick_next_task() vs 'change' pattern race
sched/core: Fix compilation error when cgroup not selected
Pull perf tooling fixes from Thomas Gleixner:
- Fix the time sorting algorithm which was broken due to truncation of
big numbers
- Fix the python script generator fail caused by a broken tracepoint
array iterator
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf tools: Fix time sorting
perf tools: Remove unused trace_find_next_event()
perf scripting engines: Iterate on tep event arrays directly
Pull irq fixlet from Thomas Gleixner:
"A trivial fix for a kernel doc regression where an argument change was
not reflected in the documentation"
* 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irq/irqdomain: Update __irq_domain_alloc_fwnode() function documentation
Pull stacktrace fix from Thomas Gleixner:
"A small fix for a stacktrace regression.
Saving a stacktrace for a foreign task skipped an extra entry which
makes e.g. the output of /proc/$PID/stack incomplete"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
stacktrace: Don't skip first entry on noncurrent tasks
config option GENERIC_IO was removed but still selected by lib/kconfig
This patch finish the cleaning.
Fixes: 9de8da4774 ("kconfig: kill off GENERIC_IO option")
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Merge tag 'for-5.4-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"A few regressions and fixes for stable.
Regressions:
- fix a race leading to metadata space leak after task received a
signal
- un-deprecate 2 ioctls, marked as deprecated by mistake
Fixes:
- fix limit check for number of devices during chunk allocation
- fix a race due to double evaluation of i_size_read inside max()
macro, can cause a crash
- remove wrong device id check in tree-checker"
* tag 'for-5.4-rc6-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
btrfs: un-deprecate ioctls START_SYNC and WAIT_SYNC
btrfs: save i_size to avoid double evaluation of i_size_read in compress_file_range
Btrfs: fix race leading to metadata space leak after task received signal
btrfs: tree-checker: Fix wrong check on max devid
btrfs: Consider system chunk array size for new SYSTEM chunks
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Merge tag 'linux-watchdog-5.4-rc7' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fixes from Wim Van Sebroeck:
- cpwd: fix build regression
- pm8916_wdt: fix pretimeout registration flow
- meson: Fix the wrong value of left time
- imx_sc_wdt: Pretimeout should follow SCU firmware format
- bd70528: Add MODULE_ALIAS to allow module auto loading
* tag 'linux-watchdog-5.4-rc7' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: bd70528: Add MODULE_ALIAS to allow module auto loading
watchdog: imx_sc_wdt: Pretimeout should follow SCU firmware format
watchdog: meson: Fix the wrong value of left time
watchdog: pm8916_wdt: fix pretimeout registration flow
watchdog: cpwd: fix build regression
This round we have bunch of core and Intel driver updates spearheaded
by Pierre
Details
- Update unique id checks in core and ACPI helpers
- Improvements to to Intel driver and cadence lib
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Merge tag 'soundwire-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire into char-misc-next
Vinod writes:
soundwire updates for v5.5-rc1
This round we have bunch of core and Intel driver updates spearheaded
by Pierre
Details
- Update unique id checks in core and ACPI helpers
- Improvements to to Intel driver and cadence lib
* tag 'soundwire-5.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/soundwire:
soundwire: ignore uniqueID when irrelevant
soundwire: slave: add helper to extract slave ID
soundwire: remove bitfield for unique_id, use u8
soundwire: intel: fix PDI/stream mapping for Bulk
soundwire: cadence_master: make clock stop exit configurable on init
soundwire: intel/cadence: add flag for interrupt enable
soundwire: intel: add helper for initialization
soundwire: cadence_master: add hw_reset capability in debugfs
soundwire: intel/cadence: fix startup sequence
soundwire: intel: use correct header for io calls
soundwire: cadence_master: improve PDI allocation
soundwire: intel: don't filter out PDI0/1
soundwire: cadence/intel: simplify PDI/port mapping
soundwire: intel: remove playback/capture stream_name
soundwire: remove DAI_ID_RANGE definitions
soundwire: intel: remove X86 dependency
soundwire: intel: add missing headers for cross-compilation
The uniqueID is useful when there are two or more devices of the same
type (identical manufacturer ID, part ID) on the same link.
When there is a single device of a given type on a link, its uniqueID
is irrelevant. It's not uncommon on actual platforms to see variations
of the uniqueID, or differences between devID registers and ACPI _ADR
fields.
This patch suggests a filter on startup to identify 'single' devices
and tag them accordingly. The uniqueID is then not used for the probe,
and the device name omits the uniqueID as well.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191022234808.17432-4-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Simplify the loop with a helper. The only functionality change is that
we continue the loop even with an ACPI error.
Follow-up patches will build on this change.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191022234808.17432-3-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
There is no good reason why the unique_id needs to be stored as 4
bits. The code will work without changes with a u8 since all values
are already filtered while parsing the ACPI tables and Slave devID
registers.
Use u8 representation. This will allow us to encode a
"IGNORE_UNIQUE_ID" value to account for firmware/BIOS creativity.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191022234808.17432-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
The previous formula is incorrect for PDI0/1, the mapping is not
linear but has a discontinuity between PDI1 and PDI2.
This change has no effect on PCM PDIs (same mapping).
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191022232948.17156-1-pierre-louis.bossart@linux.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
