| Commit message (Collapse) | Author | Age | Files | Lines |
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As we will remove items off the list using list_del(), we need to use the
safe version of list_for_each_entry().
Fixes: 5e4e6c4d3ae0 ("interconnect: qcom: Add QCS404 interconnect provider driver")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Cc: <stable@vger.kernel.org> # v5.4
Link: https://lore.kernel.org/r/20191212075332.16202-4-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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As we will remove items off the list using list_del(), we need to use the
safe version of list_for_each_entry().
Fixes: b5d2f741077a ("interconnect: qcom: Add sdm845 interconnect provider driver")
Reported-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Cc: <stable@vger.kernel.org> # v5.3+
Link: https://lore.kernel.org/r/20191212075332.16202-3-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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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>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
Link: https://lore.kernel.org/r/20191212075332.16202-2-georgi.djakov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core fixes from Greg KH:
"Here are two small driver core fixes to resolve some reported issues
The first is to handle the much-reported (by the build systems)
problem that superH does not boot anymore.
The second handles an issue in the new platform logic that a number of
people ran into with the automated tests in kbuild
Both of these have been in linux-next with no reported issues"
* tag 'driver-core-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
drivers: Fix boot problem on SuperH
of/platform: Unconditionally pause/resume sync state during kernel init
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SuperH images crash too eearly to display any console output. Bisect
points to commit 507fd01d5333 ("drivers: move the early platform device
support to arch/sh"). An analysis of that patch suggests that
early_platform_cleanup() is now called at the wrong time. Restoring its
call point fixes the problem.
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Fixes: 507fd01d5333 ("drivers: move the early platform device support to arch/sh")
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Acked-by: Rob Landley <rob@landley.net>
Link: https://lore.kernel.org/r/20191203205852.15659-1-linux@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commit 5e6669387e22 ("of/platform: Pause/resume sync state during init
and of_platform_populate()") paused/resumed sync state during init only
if Linux had parsed and populated a devicetree.
However, the check for that (of_have_populated_dt()) can change after
of_platform_default_populate_init() executes. One example of this is
when devicetree unittests are enabled. This causes an unmatched
pause/resume of sync state. To avoid this, just unconditionally
pause/resume sync state during init.
Fixes: 5e6669387e22 ("of/platform: Pause/resume sync state during init and of_platform_populate()")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Reviewed-by: Frank Rowand <frowand.list@gmail.com>
Link: https://lore.kernel.org/r/20191209193119.147056-1-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO fixes from Greg KH:
"Here are a number of small staging and IIO driver fixes for reported
issues for 5.5-rc2
Nothing major, a bunch of tiny IIO driver issues resolved, and some
staging driver fixes for things that people ran into with 5.5-rc1.
Full details are in the shortlog.
All of these have been in linux-next with no reported issues"
* tag 'staging-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (28 commits)
fbtft: Fix the initialization from property algorithm
staging: rtl8712: fix interface sanity check
staging: rtl8188eu: fix interface sanity check
staging: gigaset: add endpoint-type sanity check
staging: gigaset: fix illegal free on probe errors
staging: gigaset: fix general protection fault on probe
staging: vchiq: call unregister_chrdev_region() when driver registration fails
staging: exfat: fix multiple definition error of `rename_file'
staging/wlan-ng: add CRC32 dependency in Kconfig
staging: hp100: Fix build error without ETHERNET
staging: fbtft: Do not hardcode SPI CS polarity inversion
staging: exfat: properly support discard in clr_alloc_bitmap()
staging/octeon: Mark Ethernet driver as BROKEN
iio: adc: max9611: Fix too short conversion time delay
iio: ad7949: fix channels mixups
iio: imu: st_lsm6dsx: do not power-off accel if events are enabled
iio: imu: st_lsm6dsx: track hw FIFO buffering with fifo_mask
iio: imu: st_lsm6dsx: fix decimation factor estimation
iio: imu: inv_mpu6050: fix temperature reporting using bad unit
iio: humidity: hdc100x: fix IIO_HUMIDITYRELATIVE channel reporting
...
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When converting to device property API the commit
8b2d3aeeb7ec ("fbtft: Make use of device property API")
mistakenly placed the reading of the first value inside the loop,
that jumps over value after initialization sequence or sleep commands.
Move the above mentioned reading outside of the loop to restore
correct behaviour.
Besides that, we are using pre-increment operation which may lead to
out of the boundary access at the end of sequence. Thus, allocate buffer
with an additional element at the end to prevent out of the boundary
access.
Fixes: 8b2d3aeeb7ec ("fbtft: Make use of device property API")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20191121140207.65089-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make sure to use the current alternate setting when verifying the
interface descriptors to avoid binding to an invalid interface.
Failing to do so could cause the driver to misbehave or trigger a WARN()
in usb_submit_urb() that kernels with panic_on_warn set would choke on.
Fixes: 2865d42c78a9 ("staging: r8712u: Add the new driver to the mainline kernel")
Cc: stable <stable@vger.kernel.org> # 2.6.37
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191210114751.5119-3-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make sure to use the current alternate setting when verifying the
interface descriptors to avoid binding to an invalid interface.
Failing to do so could cause the driver to misbehave or trigger a WARN()
in usb_submit_urb() that kernels with panic_on_warn set would choke on.
Fixes: c2478d39076b ("staging: r8188eu: Add files for new driver - part 20")
Cc: stable <stable@vger.kernel.org> # 3.12
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191210114751.5119-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add missing endpoint-type sanity checks to probe.
This specifically prevents a warning in USB core on URB submission when
fuzzing USB descriptors.
Signed-off-by: Johan Hovold <johan@kernel.org>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191202085610.12719-4-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The driver failed to initialise its receive-buffer pointer, something
which could lead to an illegal free on late probe errors.
Fix this by making sure to clear all driver data at allocation.
Fixes: 2032e2c2309d ("usb_gigaset: code cleanup")
Cc: stable <stable@vger.kernel.org> # 2.6.33
Cc: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191202085610.12719-3-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix a general protection fault when accessing the endpoint descriptors
which could be triggered by a malicious device due to missing sanity
checks on the number of endpoints.
Reported-by: syzbot+35b1c403a14f5c89eba7@syzkaller.appspotmail.com
Fixes: 07dc1f9f2f80 ("[PATCH] isdn4linux: Siemens Gigaset drivers - M105 USB DECT adapter")
Cc: stable <stable@vger.kernel.org> # 2.6.17
Cc: Hansjoerg Lipp <hjlipp@web.de>
Cc: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191202085610.12719-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This undoes the previous call to alloc_chrdev_region() on failure,
and is probably what was meant originally given the label name.
Signed-off-by: Marcelo Diop-Gonzalez <marcgonzalez@google.com>
Cc: stable <stable@vger.kernel.org>
Fixes: 187ac53e590c ("staging: vchiq_arm: rework probe and init functions")
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20191203153921.70540-1-marcgonzalez@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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`rename_file' was exported but not properly namespaced causing a
multiple definition error because `rename_file' is already defined in
fs/hostfs/hostfs_user.c:
ld: drivers/staging/exfat/exfat_core.o: in function `rename_file':
drivers/staging/exfat/exfat_core.c:2327: multiple definition of
`rename_file'; fs/hostfs/hostfs_user.o:fs/hostfs/hostfs_user.c:350:
first defined here
make: *** [Makefile:1077: vmlinux] Error 1
This error can be reproduced on ARCH=um by selecting:
CONFIG_EXFAT_FS=y
CONFIG_HOSTFS=y
Add a namespace prefix exfat_* to fix this error.
Reported-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Cc: stable <stable@vger.kernel.org>
Cc: Valdis Kletnieks <valdis.kletnieks@vt.edu>
Tested-by: David Gow <davidgow@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Link: https://lore.kernel.org/r/20191204234522.42855-1-brendanhiggins@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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wlan-ng uses the function crc32_le,
but CRC32 wasn't a dependency of wlan-ng
Co-developed-by: Michael Kupfer <michael.kupfer@fau.de>
Signed-off-by: Michael Kupfer <michael.kupfer@fau.de>
Signed-off-by: Kay Friedrich <kay.friedrich@fau.de>
Link: https://lore.kernel.org/r/20191127112457.2301-1-kay.friedrich@fau.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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It should depends on ETHERNET, otherwise building fails:
drivers/staging/hp/hp100.o: In function `hp100_pci_remove':
hp100.c:(.text+0x165): undefined reference to `unregister_netdev'
hp100.c:(.text+0x214): undefined reference to `free_netdev'
Fixes: 52340b82cf1a ("hp100: Move 100BaseVG AnyLAN driver to staging")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Link: https://lore.kernel.org/r/20191113021306.35464-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The current use of the mode flag SPI_CS_HIGH is fragile: it
overwrites anything already assigned by the SPI core.
Assign ^= SPI_CS_HIGH since we might be active high
already, and that is usually the case with GPIOs used
for chip select, even if they are in practice active low.
Add a comment clarifying why ^= SPI_CS_HIGH is the right
choice here.
Reported-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20191204233230.22309-1-linus.walleij@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Currently the discard code in clr_alloc_bitmap() is just dead code.
Move code around so that the discard operation is properly attempted
when enabled.
Signed-off-by: Andrea Righi <andrea.righi@canonical.com>
Link: https://lore.kernel.org/r/20191205152913.GJ3276@xps-13
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The code doesn't compile due to incompatible pointer errors such as
drivers/staging/octeon/ethernet-tx.c:649:50: error:
passing argument 1 of 'cvmx_wqe_get_grp' from incompatible pointer type
This is due to mixing, for example, cvmx_wqe_t with 'struct cvmx_wqe'.
Unfortunately, one can not just revert the primary offending commit, as doing so
results in secondary errors. This is made worse by the fact that the "removed"
typedefs still exist and are used widely outside the staging directory,
making the entire set of "remove typedef" changes pointless and wrong.
Reflect reality and mark the driver as BROKEN.
Fixes: ef1fe6b7369a ("staging: octeon: remove typedef declaration for cvmx_wqe")
Fixes: 73aef0c9d2c6 ("staging: octeon: remove typedef declaration for cvmx_helper_link_info")
Cc: Wambui Karuga <wambui.karugax@gmail.com>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20191202141836.9363-1-linux@roeck-us.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of fixes for IIO in the 5.5 cycle.
Mixture of old things people have just hit, and a few late breaking
issues with things that went in during the merge window.
Being sent promptly to resolve potential DT breakage causing
issues for binding test builds.
* ad7606
- Avoid reading extra data from the device over what was intended.
* ad7124
- Enable the internal reference when in use.
* ad7292
- Fix up license for newly added binding. Better to not have this go
out in a release with more limited header than intended.
- Fix a constraint on number of channels.
* ad7949
- Fix an issue which can result in readouts being from the wrong channel.
* hdc100x
- Fix wrong ABI usage (units) for relative humidity channel.
* intel mrfld
- Allocate right amount of private data (currently allocating too much).
* ltc2983
- Avoid a potential issue with machine endianness and wrong length device
tree read.
* max1027
- Clean up leak of an iio_trigger on probe failure.
* max9611
- Ensure we sleep long enough to successfully initialize the sensor.
* mpu6050
- Fix wrong ABI usage (units) for temperature channel.
* st_accel
- Fix an unused variable warning.
* st_lsm6dsx
- Fix decimation factor issue that can lead to missaligned datasets
(and hence garbage)
- Fix an issue with how we track enabled fifo channels.
- Avoid powering off the device if wake up events are enabled.
* tag 'iio-fixes-for-5.5a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: adc: max9611: Fix too short conversion time delay
iio: ad7949: fix channels mixups
iio: imu: st_lsm6dsx: do not power-off accel if events are enabled
iio: imu: st_lsm6dsx: track hw FIFO buffering with fifo_mask
iio: imu: st_lsm6dsx: fix decimation factor estimation
iio: imu: inv_mpu6050: fix temperature reporting using bad unit
iio: humidity: hdc100x: fix IIO_HUMIDITYRELATIVE channel reporting
iio: adc: max1027: fix not unregistered iio trigger
iio: adc: intel_mrfld_adc: Allocating too much data in probe()
iio: adc: ad7124: Enable internal reference
dt-bindings: iio: adc: ad7292: fix constraint over channel quantity
dt-bindings: iio: adc: ad7292: Update SPDX identifier
iio: temperature: ltc2983: fix u32 read into a unsigned long long
iio: st_accel: Fix unused variable warning
iio: adc: ad7606: fix reading unnecessary data from device
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As of commit b9ddd5091160793e ("iio: adc: max9611: Fix temperature
reading in probe"), max9611 initialization sometimes fails on the
Salvator-X(S) development board with:
max9611 4-007f: Invalid value received from ADC 0x8000: aborting
max9611: probe of 4-007f failed with error -5
The max9611 driver tests communications with the chip by reading the die
temperature during the probe function, which returns an invalid value.
According to the datasheet, the typical ADC conversion time is 2 ms, but
no minimum or maximum values are provided. Maxim Technical Support
confirmed this was tested with temperature Ta=25 degreeC, and promised
to inform me if a maximum/minimum value is available (they didn't get
back to me, so I assume it is not).
However, the driver assumes a 1 ms conversion time. Usually the
usleep_range() call returns after more than 1.8 ms, hence it succeeds.
When it returns earlier, the data register may be read too early, and
the previous measurement value will be returned. After boot, this is
the temperature POR (power-on reset) value, causing the failure above.
Fix this by increasing the delay from 1000-2000 µs to 3000-3300 µs.
Note that this issue has always been present, but it was exposed by the
aformentioned commit.
Fixes: 69780a3bbc0b1e7e ("iio: adc: Add Maxim max9611 ADC driver")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Jacopo Mondi <jacopo+renesas@jmondi.org>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Each time we need to read a sample (from the sysfs interface, since the
driver supports only it) the driver writes the configuration register
with the proper settings needed to perform the said read, then it runs
another xfer to actually read the resulting value. Most notably the
configuration register is updated to set the ADC internal MUX depending by
which channel the read targets.
Unfortunately this seems not enough to ensure correct operation because
the ADC works in a pipelined-like fashion and the new configuration isn't
applied in time.
The ADC alternates two phases: acquisition and conversion. During the
acquisition phase the ADC samples the analog signal in an internal
capacitor; in the conversion phase the ADC performs the actual analog to
digital conversion of the stored voltage. Note that of course the MUX
needs to be set to the proper channel when the acquisition phase is
performed.
Once the conversion phase has been completed, the device automatically
switches back to a new acquisition; on the other hand the device switches
from acquisition to conversion on the rising edge of SPI cs signal (that
is when the xfer finishes).
Only after both two phases have been completed (with the proper settings
already written in the configuration register since the beginning) it is
possible to read the outcome from SPI bus.
With the current driver implementation, we end up in the following
situation:
_______ 1st xfer ____________ 2nd xfer ___________________
SPI cs.. \_________/ \_________/
SPI rd.. idle |(val N-2)+ idle | val N-1 + idle ...
SPI wr.. idle | cfg N + idle | (X) + idle ...
------------------------ + -------------------- + ------------------
AD .. acq N-1 + cnv N-1 | acq N + cnv N | acq N+1
As shown in the diagram above, the value we read in the Nth read belongs
to configuration setting N-1.
In case the configuration is not changed (config[N] == config[N-1]), then
we still get correct data, but in case the configuration changes (i.e.
switching the MUX on another channel), we get wrong data (data from the
previously selected channel).
This patch fixes this by performing one more "dummy" transfer in order to
ending up in reading the data when it's really ready, as per the following
timing diagram.
_______ 1st xfer ____________ 2nd xfer ___________ 3rd xfer ___
SPI cs.. \_________/ \_________/ \_________/
SPI rd.. idle |(val N-2)+ idle |(val N-1)+ idle | val N + ..
SPI wr.. idle | cfg N + idle | (X) + idle | (X) + ..
------------------------ + -------------------- + ------------------- + --
AD .. acq N-1 + cnv N-1 | acq N + cnv N | acq N+1 | ..
NOTE: in the latter case (cfg changes), the acquisition phase for the
value to be read begins after the 1st xfer, that is after the read request
has been issued on sysfs. On the other hand, if the cfg doesn't change,
then we can refer to the fist diagram assuming N == (N - 1); the
acquisition phase _begins_ before the 1st xfer (potentially a lot of time
before the read has been issued via sysfs, but it _ends_ after the 1st
xfer, that is _after_ the read has started. This should guarantee a
reasonably fresh data, which value represents the voltage that the sampled
signal has after the read start or maybe just around it.
Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Reviewed-by: Charles-Antoine Couret <charles-antoine.couret@essensium.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Do not power-off accel unconditionally if wake-up events are enabled
powering off the hw FIFO. At the same time do not power-off the accel
sensor if it is 'batched' in the hw FIFO disabling sensor events
Fixes: b5969abfa8b8 ("iio: imu: st_lsm6dsx: add motion events")
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Track hw FIFO state introducing fifo_mask since now the accel sensor
can be enabled during suspend/resume in order to trigger the wake-up
enabling the FIFO in st_lsm6dsx_resume even if it was disabled before
the suspend. Hence we must separately track the fifo state.
Fixes: 4c997dfa692d ("iio: imu: st_lsm6dsx: add wakeup-source option")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Tested-by: Sean Nyekjaer <sean@geanix.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fix decimation factor and sip estimation for LSM6DSM series
(max value for decimation factor is 32).
If gyro and accel sensors are enabled at 12.5Hz and 416Hz
respectively, decimation factor lookup will fail, producing
unaligned data.
Remove unused decimator filed in st_lsm6dsx_sensor structure.
Fixes: f8710f0357bc ("iio: imu: st_lsm6dsx: express odr in mHZ")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Temperature should be reported in milli-degrees, not degrees. Fix
scale and offset values to use the correct unit.
This is a fix for an issue that has been present for a long time.
The fixes tag reflects the point at which the code last changed in a
fashion that would make this fix patch no longer apply. Backports
will be necessary to fix those elements that predate that patch.
Fixes: 1615fe41a195 ("iio: imu: mpu6050: Fix FIFO layout for ICM20602")
Cc: stable@vger.kernel.org
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The IIO_HUMIDITYRELATIVE channel was being incorrectly reported back
as percent when it should have been milli percent. This is via an
incorrect scale value being returned to userspace.
Signed-off-by: Chris Lesiak <chris.lesiak@licor.com>
Acked-by: Matt Ranostay <matt.ranostay@konsulko.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The driver forgets to unregister the iio trigger in probe failure and
remove.
Use devm API to fix it.
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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This probe function is passing the wrong size to devm_iio_device_alloc().
It is supposed to be the size of the private data. Fortunately,
sizeof(*indio_dev) is larger than sizeof(struct mrfld_adc) so it doesn't
cause a runtime problem.
Fixes: a7118662734a ("iio: adc: intel_mrfld_adc: Add Basin Cove ADC driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When the internal reference was selected by a channel it was not enabled.
This patch fixes that and enables it.
Fixes: b3af341bbd96 ("iio: adc: Add ad7124 support")
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Currently the read of temp using of_property_read_u32_index is reading
a u32 value into a unsigned long long. This relies on machine endianness
to work correctly, so fix this by reading a u32 value and setting temp
to this value.
Addresses-Coverity: ("Reliance on integer endianness")
Fixes: f110f3188e56 ("iio: temperature: Add support for LTC2983")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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drivers/iio/accel/st_accel_core.c:1005:44: warning:
mount_matrix_ext_info defined but not used [-Wunused-const-variable=]
Using stub helper while CONFIG_ACPI is disabled to fix it.
Suggested-by: Ladislav Michl <ladis@linux-mips.org>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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When a conversion result is being read from ADC, the driver reads the
number of channels + 1 because it thinks that IIO_CHAN_SOFT_TIMESTAMP
is also a physical channel. This patch fixes this issue.
Fixes: 2985a5d88455 ("staging: iio: adc: ad7606: Move out of staging")
Reported-by: Robert Wörle <rwoerle@mibtec.de>
Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB driver fixes for reported issues for 5.5-rc2
There's the usual gadget and xhci fixes, as well as some other
problems that syzbot has been finding during it's fuzzing runs. Full
details are in the shortlog.
All of these have been in linux-next with no reported issues"
* tag 'usb-5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (21 commits)
usb: dwc3: pci: add ID for the Intel Comet Lake -H variant
xhci: make sure interrupts are restored to correct state
xhci: handle some XHCI_TRUST_TX_LENGTH quirks cases as default behaviour.
xhci: Increase STS_HALT timeout in xhci_suspend()
usb: xhci: only set D3hot for pci device
xhci: fix USB3 device initiated resume race with roothub autosuspend
xhci: Fix memory leak in xhci_add_in_port()
USB: Fix incorrect DMA allocations for local memory pool drivers
usb: gadget: fix wrong endpoint desc
usb: dwc3: ep0: Clear started flag on completion
usb: dwc3: gadget: Clear started flag for non-IOC
usb: dwc3: gadget: Fix logical condition
USB: atm: ueagle-atm: add missing endpoint check
USB: adutux: fix interface sanity check
USB: idmouse: fix interface sanity checks
USB: serial: io_edgeport: fix epic endpoint lookup
usb: mon: Fix a deadlock in usbmon between mmap and read
usb: common: usb-conn-gpio: Don't log an error on probe deferral
usb: core: urb: fix URB structure initialization function
usb: typec: fix use after free in typec_register_port()
...
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The original ID that was added for Comet Lake PCH was
actually for the -LP (low power) variant even though the
constant for it said CMLH. Changing that while at it.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Felipe Balbi <balbi@kernel.org>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20191212093713.60614-1-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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spin_unlock_irqrestore() might be called with stale flags after
reading port status, possibly restoring interrupts to a incorrect
state.
If a usb2 port just finished resuming while the port status is read
the spin lock will be temporary released and re-acquired in a separate
function. The flags parameter is passed as value instead of a pointer,
not updating flags properly before the final spin_unlock_irqrestore()
is called.
Cc: <stable@vger.kernel.org> # v3.12+
Fixes: 8b3d45705e54 ("usb: Fix xHCI host issues on remote wakeup.")
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20191211142007.8847-7-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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xhci driver claims it needs XHCI_TRUST_TX_LENGTH quirk for both
Broadcom/Cavium and a Renesas xHC controllers.
The quirk was inteded for handling false "success" complete event for
transfers that had data left untransferred.
These transfers should complete with "short packet" events instead.
In these two new cases the false "success" completion is reported
after a "short packet" if the TD consists of several TRBs.
xHCI specs 4.10.1.1.2 say remaining TRBs should report "short packet"
as well after the first short packet in a TD, but this issue seems so
common it doesn't make sense to add the quirk for all vendors.
Turn these events into short packets automatically instead.
This gets rid of the "The WARN Successful completion on short TX for
slot 1 ep 1: needs XHCI_TRUST_TX_LENGTH quirk" warning in many cases.
Cc: <stable@vger.kernel.org>
Reported-by: Eli Billauer <eli.billauer@gmail.com>
Reported-by: Ard Biesheuvel <ardb@kernel.org>
Tested-by: Eli Billauer <eli.billauer@gmail.com>
Tested-by: Ard Biesheuvel <ardb@kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20191211142007.8847-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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I've recently observed failed xHCI suspend attempt on AMD Raven Ridge
system:
kernel: xhci_hcd 0000:04:00.4: WARN: xHC CMD_RUN timeout
kernel: PM: suspend_common(): xhci_pci_suspend+0x0/0xd0 returns -110
kernel: PM: pci_pm_suspend(): hcd_pci_suspend+0x0/0x30 returns -110
kernel: PM: dpm_run_callback(): pci_pm_suspend+0x0/0x150 returns -110
kernel: PM: Device 0000:04:00.4 failed to suspend async: error -110
Similar to commit ac343366846a ("xhci: Increase STS_SAVE timeout in
xhci_suspend()") we also need to increase the HALT timeout to make it be
able to suspend again.
Cc: <stable@vger.kernel.org> # 5.2+
Fixes: f7fac17ca925 ("xhci: Convert xhci_handshake() to use readl_poll_timeout_atomic()")
Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20191211142007.8847-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Xhci driver cannot call pci_set_power_state() on non-pci xhci host
controllers. For example, NVIDIA Tegra XHCI host controller which acts
as platform device with XHCI_SPURIOUS_WAKEUP quirk set in some platform
hits this issue during shutdown.
Cc: <stable@vger.kernel.org>
Fixes: 638298dc66ea ("xhci: Fix spurious wakeups after S5 on Haswell")
Signed-off-by: Henry Lin <henryl@nvidia.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20191211142007.8847-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A race in xhci USB3 remote wake handling may force device back to suspend
after it initiated resume siganaling, causing a missed resume event or warm
reset of device.
When a USB3 link completes resume signaling and goes to enabled (UO)
state a interrupt is issued and the interrupt handler will clear the
bus_state->port_remote_wakeup resume flag, allowing bus suspend.
If the USB3 roothub thread just finished reading port status before
the interrupt, finding ports still in suspended (U3) state, but hasn't
yet started suspending the hub, then the xhci interrupt handler will clear
the flag that prevented roothub suspend and allow bus to suspend, forcing
all port links back to suspended (U3) state.
Example case:
usb_runtime_suspend() # because all ports still show suspended U3
usb_suspend_both()
hub_suspend(); # successful as hub->wakeup_bits not set yet
==> INTERRUPT
xhci_irq()
handle_port_status()
clear bus_state->port_remote_wakeup
usb_wakeup_notification()
sets hub->wakeup_bits;
kick_hub_wq()
<== END INTERRUPT
hcd_bus_suspend()
xhci_bus_suspend() # success as port_remote_wakeup bits cleared
Fix this by increasing roothub usage count during port resume to prevent
roothub autosuspend, and by making sure bus_state->port_remote_wakeup
flag is only cleared after resume completion is visible, i.e.
after xhci roothub returned U0 or other non-U3 link state link on a
get port status request.
Issue rootcaused by Chiasheng Lee
Cc: <stable@vger.kernel.org>
Cc: Lee, Hou-hsun <hou-hsun.lee@intel.com>
Reported-by: Lee, Chiasheng <chiasheng.lee@intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20191211142007.8847-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When xHCI is part of Alpine or Titan Ridge Thunderbolt controller and
the xHCI device is hot-removed as a result of unplugging a dock for
example, the driver leaks memory it allocates for xhci->usb3_rhub.psi
and xhci->usb2_rhub.psi in xhci_add_in_port() as reported by kmemleak:
unreferenced object 0xffff922c24ef42f0 (size 16):
comm "kworker/u16:2", pid 178, jiffies 4294711640 (age 956.620s)
hex dump (first 16 bytes):
21 00 0c 00 12 00 dc 05 23 00 e0 01 00 00 00 00 !.......#.......
backtrace:
[<000000007ac80914>] xhci_mem_init+0xcf8/0xeb7
[<0000000001b6d775>] xhci_init+0x7c/0x160
[<00000000db443fe3>] xhci_gen_setup+0x214/0x340
[<00000000fdffd320>] xhci_pci_setup+0x48/0x110
[<00000000541e1e03>] usb_add_hcd.cold+0x265/0x747
[<00000000ca47a56b>] usb_hcd_pci_probe+0x219/0x3b4
[<0000000021043861>] xhci_pci_probe+0x24/0x1c0
[<00000000b9231f25>] local_pci_probe+0x3d/0x70
[<000000006385c9d7>] pci_device_probe+0xd0/0x150
[<0000000070241068>] really_probe+0xf5/0x3c0
[<0000000061f35c0a>] driver_probe_device+0x58/0x100
[<000000009da11198>] bus_for_each_drv+0x79/0xc0
[<000000009ce45f69>] __device_attach+0xda/0x160
[<00000000df201aaf>] pci_bus_add_device+0x46/0x70
[<0000000088a1bc48>] pci_bus_add_devices+0x27/0x60
[<00000000ad9ee708>] pci_bus_add_devices+0x52/0x60
unreferenced object 0xffff922c24ef3318 (size 8):
comm "kworker/u16:2", pid 178, jiffies 4294711640 (age 956.620s)
hex dump (first 8 bytes):
34 01 05 00 35 41 0a 00 4...5A..
backtrace:
[<000000007ac80914>] xhci_mem_init+0xcf8/0xeb7
[<0000000001b6d775>] xhci_init+0x7c/0x160
[<00000000db443fe3>] xhci_gen_setup+0x214/0x340
[<00000000fdffd320>] xhci_pci_setup+0x48/0x110
[<00000000541e1e03>] usb_add_hcd.cold+0x265/0x747
[<00000000ca47a56b>] usb_hcd_pci_probe+0x219/0x3b4
[<0000000021043861>] xhci_pci_probe+0x24/0x1c0
[<00000000b9231f25>] local_pci_probe+0x3d/0x70
[<000000006385c9d7>] pci_device_probe+0xd0/0x150
[<0000000070241068>] really_probe+0xf5/0x3c0
[<0000000061f35c0a>] driver_probe_device+0x58/0x100
[<000000009da11198>] bus_for_each_drv+0x79/0xc0
[<000000009ce45f69>] __device_attach+0xda/0x160
[<00000000df201aaf>] pci_bus_add_device+0x46/0x70
[<0000000088a1bc48>] pci_bus_add_devices+0x27/0x60
[<00000000ad9ee708>] pci_bus_add_devices+0x52/0x60
Fix this by calling kfree() for the both psi objects in
xhci_mem_cleanup().
Cc: <stable@vger.kernel.org> # 4.4+
Fixes: 47189098f8be ("xhci: parse xhci protocol speed ID list for usb 3.1 usage")
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20191211142007.8847-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
USB: fixes for v5.5-rc2
Only four patches here this time around. Three of them are on dwc3
fixing some small bugs related to our 'started' flag.
None are major fixes but they're important nevertheless.
* tag 'fixes-for-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
usb: gadget: fix wrong endpoint desc
usb: dwc3: ep0: Clear started flag on completion
usb: dwc3: gadget: Clear started flag for non-IOC
usb: dwc3: gadget: Fix logical condition
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Gadget driver should always use config_ep_by_speed() to initialize
usb_ep struct according to usb device's operating speed. Otherwise,
usb_ep struct may be wrong if usb devcie's operating speed is changed.
The key point in this patch is that we want to make sure the desc pointer
in usb_ep struct will be set to NULL when gadget is disconnected.
This will force it to call config_ep_by_speed() to correctly initialize
usb_ep struct based on the new operating speed when gadget is
re-connected later.
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: EJ Hsu <ejh@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Clear ep0's DWC3_EP_TRANSFER_STARTED flag if the END_TRANSFER command is
completed. Otherwise, we can't start control transfer again after
END_TRANSFER.
Cc: stable@vger.kernel.org
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Normally the END_TRANSFER command completion handler will clear the
DWC3_EP_TRANSFER_STARTED flag. However, if the command was sent without
interrupt on completion, then the flag will not be cleared. Make sure to
clear the flag in this case.
Cc: stable@vger.kernel.org
Signed-off-by: Thinh Nguyen <thinhn@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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This patch corrects the condition to kick the transfer without
giving back the requests when either request has remaining data
or when there are pending SGs. The && check was introduced during
spliting up the dwc3_gadget_ep_cleanup_completed_requests() function.
Fixes: f38e35dd84e2 ("usb: dwc3: gadget: split dwc3_gadget_ep_cleanup_completed_requests()")
Cc: stable@vger.kernel.org
Signed-off-by: Tejas Joglekar <joglekar@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
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Fix commit 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of
guestimating DMA capabilities") where local memory USB drivers
erroneously allocate DMA memory instead of pool memory, causing
OHCI Unrecoverable Error, disabled
HC died; cleaning up
The order between hcd_uses_dma() and hcd->localmem_pool is now
arranged as in hcd_buffer_alloc() and hcd_buffer_free(), with the
test for hcd->localmem_pool placed first.
As an alternative, one might consider adjusting hcd_uses_dma() with
static inline bool hcd_uses_dma(struct usb_hcd *hcd)
{
- return IS_ENABLED(CONFIG_HAS_DMA) && (hcd->driver->flags & HCD_DMA);
+ return IS_ENABLED(CONFIG_HAS_DMA) &&
+ (hcd->driver->flags & HCD_DMA) &&
+ (hcd->localmem_pool == NULL);
}
One can also consider unsetting HCD_DMA for local memory pool drivers.
Fixes: 7b81cb6bddd2 ("usb: add a HCD_DMA flag instead of guestimating DMA capabilities")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Fredrik Noring <noring@nocrew.org>
Link: https://lore.kernel.org/r/20191210172905.GA52526@sx9
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make sure that the interrupt interface has an endpoint before trying to
access its endpoint descriptors to avoid dereferencing a NULL pointer.
The driver binds to the interrupt interface with interface number 0, but
must not assume that this interface or its current alternate setting are
the first entries in the corresponding configuration arrays.
Fixes: b72458a80c75 ("[PATCH] USB: Eagle and ADI 930 usb adsl modem driver")
Cc: stable <stable@vger.kernel.org> # 2.6.16
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191210112601.3561-2-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Make sure to use the current alternate setting when verifying the
interface descriptors to avoid binding to an invalid interface.
Failing to do so could cause the driver to misbehave or trigger a WARN()
in usb_submit_urb() that kernels with panic_on_warn set would choke on.
Fixes: 03270634e242 ("USB: Add ADU support for Ontrak ADU devices")
Cc: stable <stable@vger.kernel.org> # 2.6.19
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20191210112601.3561-3-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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