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2022-04-28iio: Replace strtobool() with kstrtobool()Lars-Peter Clausen25-29/+29
strtobool() is deprecated and just a wrapper around kstrtobool().Replace it with kstrtobool() so the deprecated function can be removed eventually. Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20220409105812.2113895-1-lars@metafoo.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: core: Simplify the registration of kfifo buffersMiquel Raynal17-28/+3
Among all the users of the kfifo buffers, no one uses the INDIO_BUFFER_HARDWARE mode. So let's take this as a general rule and simplify a little bit the internals - overall the documentation - by eliminating unused specific cases. Use the INDIO_BUFFER_SOFTWARE mode by default with kfifo buffers, which will basically mimic what all the "non direct" modes do. Cc: Benson Leung <bleung@chromium.org> Cc: Guenter Roeck <groeck@chromium.org> Cc: Jyoti Bhayana <jbhayana@google.com> Cc: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com> Cc: Lorenzo Bianconi <lorenzo.bianconi83@gmail.com> Cc: Michael Hennerich <Michael.Hennerich@analog.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220207143840.707510-13-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: core: Move the currentmode entry to the opaque structureMiquel Raynal3-10/+14
This entry should, under no situation, be modified by device drivers. Now that we have limited its read access to device drivers really needing it and did so through a dedicated helper, we can easily move this variable to the opaque structure in order to prevent any further modification from non-authorized code (out of the core, basically). Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Alexandru Ardelean <ardeleanalex@gmail.com> Link: https://lore.kernel.org/r/20220207143840.707510-12-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: core: Hide read accesses to iio_dev->currentmodeMiquel Raynal3-4/+15
In order to later move this variable within the opaque structure, let's create a helper for accessing it in read-only mode. This helper will be exposed to device drivers and kept accessible for the few that could need it. The write access to this variable however should be fully reserved to the core so in a second step we will hide this variable into the opaque structure. Cc: Eugen Hristev <eugen.hristev@microchip.com> Cc: Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Cc: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220207143840.707510-11-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: Un-inline iio_buffer_enabled()Miquel Raynal1-0/+12
As we are going to hide the currentmode inside the opaque structure, this helper would soon need to call a non-inline function which would simply drop the benefit of having the helper defined inline in a header. One alternative is to move this helper in the core as there is no more interest in defining it inline in a header. We will pay the minor cost either way. Let's do like the iio_device_id() helper which also refers to the opaque structure and gets defined in the core. Suggested-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220207143840.707510-10-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: st_sensors: Use iio_device_claim/release_direct_mode() when relevantMiquel Raynal1-21/+17
The st_sensors_core driver hardcodes the content of the iio_device_claim_direct_mode() and iio_device_release_direct_mode() helpers. Let's get rid of this handcrafted implementation and use the proper core helpers instead. Additionally, this lowers the tab level (which is always good) and prevents the use of the ->currentmode variable which is not supposed to be used like this anyway. Cc: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220207143840.707510-9-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: st_sensors: Stop abusing mlock to ensure internal coherencyMiquel Raynal4-24/+8
An odr_lock has been introduced to protect local accesses to the odr internal cache and ensure the cached value always reflected the actual value. Using the mlock() for this purpose is no longer needed, so let's drop these extra mutex_lock/unlock() calls. Suggested-by: Jonathan Cameron <jic23@kernel.org> Cc: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220207143840.707510-8-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: st_sensors: Add a local lock for protecting odrMiquel Raynal1-6/+18
Right now the (framework) mlock lock is (ab)used for multiple purposes: 1- protecting concurrent accesses over the odr local cache 2- avoid changing samplig frequency whilst buffer is running Let's start by handling situation #1 with a local lock. Suggested-by: Jonathan Cameron <jic23@kernel.org> Cc: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220207143840.707510-7-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: st_sensors: Drop the protection on _avail functionsMiquel Raynal1-4/+0
The use of a lock there seems pointless. Besides preventing to read these information from userspace while buffers are enabled (which is not supposed to happen), it only protect read accesses over static const values, which are never supposed to be written anyway. Drop these lock calls. Suggested-by: Jonathan Cameron <jic23@kernel.org> Cc: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220207143840.707510-6-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: st_sensors: Return as early as possible from the _write_raw() callbacksMiquel Raynal3-14/+5
As there is no cleanup to do, let's return as early as possible in the various ST sensor drivers _write_raw() callback functions. There is no functional change. Suggested-by: Jonathan Cameron <jic23@kernel.org> Cc: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220207143840.707510-5-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: adc: stm32-dfsdm: Avoid dereferencing ->currentmodeMiquel Raynal1-3/+2
This is an internal variable of the core, let's use the iio_buffer_enabled() helper which is exported for the following purpose: telling if the current mode is a buffered mode, which is precisely what this driver looks for. Cc: Olivier Moysan <olivier.moysan@foss.st.com> Cc: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Reviewed-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com> Link: https://lore.kernel.org/r/20220207143840.707510-4-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-10iio: magnetometer: rm3100: Stop abusing the ->currentmodeMiquel Raynal1-12/+3
This is an internal variable for the core, here it is set to a "default" value by the driver in order to later be able to perform checks against it. None of this is needed because this check actually cares about the buffers being enabled or not. So it is an unproper side-channel access to the information "are the buffers enabled?", returned officially by the iio_buffer_enabled() helper. Use this helper instead. Cc: Song Qiang <songqiang1304521@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com> Link: https://lore.kernel.org/r/20220207143840.707510-3-miquel.raynal@bootlin.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ti-ads1015: Switch to read_availMarek Vasut1-45/+67
Replace sysfs attributes with read_avail() callback. This also permits removal of ads1115_info, since the scale attribute tables are now part of chip data. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Daniel Baluta <daniel.baluta@nxp.com> Reviewed-by: Andy Shevchenko <andy@kernel.org> Link: https://lore.kernel.org/r/20220328194725.149150-10-marex@denx.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ti-ads1015: Replace data_rate with chip data struct ads1015_dataMarek Vasut1-8/+10
Instead of storing only data_rate in private data, store pointer to the whole chip data and use the data_rate from chip data throughout the driver. No functional change. This is done in preparation for switching to read_avail(). Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Andy Shevchenko <andy@kernel.org> Cc: Daniel Baluta <daniel.baluta@nxp.com> Link: https://lore.kernel.org/r/20220328194725.149150-9-marex@denx.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ti-ads1015: Convert to OF match dataMarek Vasut1-55/+55
Replace chip type enumeration in match data with pointer to static constant structure which contains all the different chip properties in one place, and then replace handling of chip type in probe() with simple copy of fields in the new match data structure into struct iio_dev. This reduces code and increases static data. Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Andy Shevchenko <andy@kernel.org> Cc: Daniel Baluta <daniel.baluta@nxp.com> Link: https://lore.kernel.org/r/20220328194725.149150-8-marex@denx.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ti-ads1015: Add static assert to test if shifted realbits fit into ↵Marek Vasut1-2/+24
storagebits Add compile-time static_assert wrapper to verify that shifted realbits fit into storagebits. The macro is implemented in a more generic way so it can be used to verify other values if required. Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Andy Shevchenko <andy@kernel.org> Cc: Daniel Baluta <daniel.baluta@nxp.com> Link: https://lore.kernel.org/r/20220328194725.149150-7-marex@denx.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ti-ads1015: Add TLA2024 supportMarek Vasut1-2/+51
Add support for TI TLA2024 ADC. This chip is compatible with ADS1015 except it has no comparator in it, hence the comparator configuration bits are missing in Configuration Register and the Hi_Thresh/Lo_Thresh registers are missing as well and so is event support. Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Andy Shevchenko <andy@kernel.org> Cc: Daniel Baluta <daniel.baluta@nxp.com> Link: https://lore.kernel.org/r/20220328194725.149150-6-marex@denx.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ti-ads1015: Make channel event_spec optionalMarek Vasut1-22/+38
Pass event_spec and num_event_specs to ADS1015_V_CHAN and ADS1015_V_DIFF_CHAN macros, to make it possible to pass no event_spec at all for chips which have no comparator and thus no events. No functional change. Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Andy Shevchenko <andy@kernel.org> Cc: Daniel Baluta <daniel.baluta@nxp.com> Link: https://lore.kernel.org/r/20220328194725.149150-5-marex@denx.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ti-ads1015: Deduplicate channel macrosMarek Vasut1-64/+22
These macros differ only in the number of valid bits of each ADC sample and the shift of those bits, i.e. ADS1015 is 12bit ADC shifted by 4 left, ADS1115 is 16bit ADC shifted by 0. No functional change. Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Andy Shevchenko <andy@kernel.org> Cc: Daniel Baluta <daniel.baluta@nxp.com> Link: https://lore.kernel.org/r/20220328194725.149150-4-marex@denx.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ti-ads1015: Switch to static const writeable ranges tableMarek Vasut1-12/+9
Switch the driver from code implementing test whether a regmap register is writeable to static const tables describing the test. No functional change. Signed-off-by: Marek Vasut <marex@denx.de> Reviewed-by: Andy Shevchenko <andy@kernel.org> Cc: Daniel Baluta <daniel.baluta@nxp.com> Link: https://lore.kernel.org/r/20220328194725.149150-3-marex@denx.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: core: Print error and fail iio_device_register() in case sample bits do ↵Marek Vasut1-0/+13
not fit storage bits Add runtime check to verify whether storagebits are at least as big as shifted realbits. This should help spot broken drivers which may set realbits + shift above storagebits. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Daniel Baluta <daniel.baluta@nxp.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Reviewed-by: Andy Shevchenko <andy@kernel.org> Link: https://lore.kernel.org/r/20220328195307.154422-1-marex@denx.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: accel: kxsd9-spi: changed leading spaces to tabsPaul Lemmermann1-2/+2
Changed the leading spaces to tabs, in accordance with kernel coding conventions, and removed trailing comma. Found with checkpatch. Signed-off-by: Paul Lemmermann <thepaulodoom@thepaulodoom.com> Link: https://lore.kernel.org/r/YkInN6SL7pP2f5Sf@hp-amd-paul Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: accel: dmard09: fixed code styling issuesPaul Lemmermann1-1/+1
Cleaning up code. Found with checkpatch. Signed-off-by: Paul Lemmermann <thepaulodoom@thepaulodoom.com> Link: https://lore.kernel.org/r/YkItIE5sp3P4sZdY@hp-amd-paul Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: sysfs-trigger: replace usage of found with dedicated list iterator variableJakob Koschel1-6/+5
To move the list iterator variable into the list_for_each_entry_*() macro in the future it should be avoided to use the list iterator variable after the loop body. To *never* use the list iterator variable after the loop it was concluded to use a separate iterator variable instead of a found boolean [1]. This removes the need to use a found variable and simply checking if the variable was set, can determine if the break/goto was hit. Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1] Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220331230632.957634-3-jakobkoschel@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: ssp_sensors: replace usage of found with dedicated list iterator variableJakob Koschel1-7/+6
To move the list iterator variable into the list_for_each_entry_*() macro in the future it should be avoided to use the list iterator variable after the loop body. To *never* use the list iterator variable after the loop it was concluded to use a separate iterator variable instead of a found boolean [1]. This removes the need to use a found variable and simply checking if the variable was set, can determine if the break/goto was hit. Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1] Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220331230632.957634-2-jakobkoschel@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: buffer: remove usage of list iterator variable for ↵Jakob Koschel1-2/+5
list_for_each_entry_continue_reverse() In preparation to limit the scope of the list iterator variable to the list traversal loop, use a dedicated pointer to iterate through the list [1]. Since that variable should not be used past the loop iteration, a separate variable is used to 'remember the current location within the loop'. To either continue iterating from that position or start a new iteration (if the previous iteration was complete) list_prepare_entry() is used. Link: https://lore.kernel.org/all/CAHk-=wgRr_D8CB-D9Kg-c=EHreAsk5SqXPwr9Y7k9sA6cWXJ6w@mail.gmail.com/ [1] Signed-off-by: Jakob Koschel <jakobkoschel@gmail.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220331230632.957634-1-jakobkoschel@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: palmas: shut up warning about calibration mismatch (due to noise)H. Nikolaus Schaller1-1/+2
Although technically checking for ADC values below 0 is correct, because they are outside of the calibration values, there is usually noise which spuriously fills the console log with error messages if calculated input voltage gets close to 0V. Ignore small negative calculated values, but clamp them to 0. Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Link: https://lore.kernel.org/r/1cee45bfc3fa2ab59dcc17242fb52468035360a1.1646743982.git.hns@goldelico.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ad7192: add sequencer supportAlexandru Tachici1-1/+41
Add sequencer support for AD7192. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Link: https://lore.kernel.org/r/20220322105029.86389-7-alexandru.tachici@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ad7124: add sequencer supportAlexandru Tachici1-9/+65
Add sequencer support for AD7124. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Link: https://lore.kernel.org/r/20220322105029.86389-6-alexandru.tachici@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ad_sigma_delta: Add sequencer supportLars-Peter Clausen1-10/+133
Some sigma-delta chips support sampling of multiple channels in continuous mode. When the operating with more than one channel enabled, the channel sequencer cycles through the enabled channels in sequential order, from first channel to the last one. If a channel is disabled, it is skipped by the sequencer. If more than one channel is used in continuous mode, instruct the device to append the status to the SPI transfer (1 extra byte) every time we receive a sample. All sigma-delta chips possessing a sampling sequencer have this ability. Inside the status register there will be the number of the converted channel. In this way, even if the CPU won't keep up with the sampling rate, it won't send to userspace wrong channel samples. When multiple channels are enabled in continuous mode, the device needs to perform a measurement on all slots before we can push to userspace the sample. If, during sequencing and data reading, a channel measurement is lost, a desync occurred. In this case, ad_sigma_delta drops the incomplete sample and waits for the device to send the measurement on the first active slot. Co-developed-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Link: https://lore.kernel.org/r/20220322105029.86389-5-alexandru.tachici@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ad7192: Add update_scan_modeAlexandru Tachici1-0/+22
The callback .set_channel cannot be used to enable multiple channels at once, only one is allowed simultaneously. By adding an update_scan_mode callback, every time the continuous mode is activated, channels will be enabled/disabled accordingly. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Link: https://lore.kernel.org/r/20220322105029.86389-4-alexandru.tachici@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ad7124: Add update_scan_modeAlexandru Tachici1-0/+21
The callback .set_channel cannot be used to enable and disable multiple channels at once as they are presented in the active_scan_mask. By adding an update_scan_mode callback, every time the continuous mode is activated, channels will be enabled/disabled accordingly. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Link: https://lore.kernel.org/r/20220322105029.86389-3-alexandru.tachici@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: adc: ad7124: Remove shift from scan_typeAlexandru Tachici1-1/+0
The 24 bits data is stored in 32 bits in BE. There is no need to shift it. This confuses user-space apps. Fixes: b3af341bbd966 ("iio: adc: Add ad7124 support") Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Link: https://lore.kernel.org/r/20220322105029.86389-2-alexandru.tachici@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: imu: inv_mpu6050: Add support for ICM-20608-DMichael Srba5-2/+24
The difference between the ICM-20608-D and the other ICM-20608 variants is the addition of a DMP (Digital Motion Processor) core. This difference is deemed substantial enough to change the WHOAMI register value. Since this driver doesn't currently acknowledge the exisence of something like a DMP core, simply copy ICM-20608 except for the aforementioned WHOAMI register. Signed-off-by: Michael Srba <Michael.Srba@seznam.cz> Acked-by: Jean-Baptiste Maneyrol <jean-baptiste.maneyrol@tdk.com> Link: https://lore.kernel.org/r/20220323121550.16096-3-michael.srba@seznam.cz Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: temperature: ltc2983: Make use of device propertiesAndy Shevchenko1-103/+106
Convert the module to be property provider agnostic and allow it to be used on non-OF platforms. The conversion slightly changes the logic behind property reading for the configuration values. Original code allocates just as much memory as needed. Then for each separate 32- or 64-bit value it reads it from the property and converts to a raw one which will be fed to the sensor. In the new code we allocate the amount of memory needed to retrieve all values at once from the property and then convert them as required. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Tested-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220307203606.87258-3-andriy.shevchenko@linux.intel.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: temperature: ltc2983: Use single error path to put OF nodeAndy Shevchenko1-10/+11
There are several, possibly copied'n'pasted, places in the functions, where OF node is put and error returned directly, while the common exit point exists. Unify all these cases to use a single error path. Suggested-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220307203606.87258-2-andriy.shevchenko@linux.intel.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: temperature: ltc2983: Don't hard code defined constants in messagesAndy Shevchenko1-4/+4
In a couple of messages the constants, which have their definitions, are hard coded into the message text. Unhardcode them. While at it, add a trailing \n where it's currently missing. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220307203606.87258-1-andriy.shevchenko@linux.intel.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: dummy: iio_simple_dummy: check the return value of kstrdup()Xiaoke Wang1-8/+12
kstrdup() is also a memory allocation-related function, it returns NULL when some memory errors happen. So it is better to check the return value of it so to catch the memory error in time. Besides, there should have a kfree() to clear up the allocation if we get a failure later in this function to prevent memory leak. Signed-off-by: Xiaoke Wang <xkernel.wang@foxmail.com> Link: https://lore.kernel.org/r/tencent_C920CFCC33B9CC1C63141FE1334A39FF8508@qq.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: multiplexer: Make use of device propertiesAndy Shevchenko2-27/+23
Convert the module to be property provider agnostic and allow it to be used on non-OF platforms. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Peter Rosin <peda@axentia.se> Link: https://lore.kernel.org/r/20220302160025.54348-1-andriy.shevchenko@linux.intel.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: dac: ltc2688: Use temporary variable for struct deviceAndy Shevchenko1-10/+9
Use temporary variable for struct device to make code neater. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20220302153142.52743-1-andriy.shevchenko@linux.intel.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: accel: add support for LIS302DL variantSicelo A. Mhlongo4-0/+13
Add support for STMicroelectronics LIS302DL accelerometer to the st_accel framework. Datasheet: https://www.st.com/resource/en/datasheet/lis302dl.pdf Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Sicelo A. Mhlongo <absicsz@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20220307132502.73854-4-absicsz@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: accel: Remove unused enum in st_accelSicelo A. Mhlongo1-26/+0
The st_accel_type enum is not used anywhere else in the code, and can be removed Suggested-by: Jonathan Cameron <Jonathan.Cameron@Huawei.com> Signed-off-by: Sicelo A. Mhlongo <absicsz@gmail.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20220307132502.73854-3-absicsz@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-04iio: core: fix a few code style issuesAlexander Vorwerk2-4/+3
* Fix indent in else statement * Remove unnecessary 'else' after 'break' * Remove space in '* attr' Signed-off-by: Alexander Vorwerk <alexander.vorwerk@stud.uni-goettingen.de> Link: https://lore.kernel.org/r/20220312180343.8935-1-alexander.vorwerk@stud.uni-goettingen.de Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-04-03Merge tag 'clk-for-linus' of ↵Linus Torvalds2-136/+14
git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux Pull clk fix from Stephen Boyd: "A single revert to fix a boot regression seen when clk_put() started dropping rate range requests. It's best to keep various systems booting so we'll kick this out and try again next time" * tag 'clk-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: Revert "clk: Drop the rate range on clk_put()"
2022-04-03Revert "clk: Drop the rate range on clk_put()"Stephen Boyd2-136/+14
This reverts commit 7dabfa2bc4803eed83d6f22bd6f045495f40636b. There are multiple reports that this breaks boot on various systems. The common theme is that orphan clks are having rates set on them when that isn't expected. Let's revert it out for now so that -rc1 boots. Reported-by: Marek Szyprowski <m.szyprowski@samsung.com> Reported-by: Tony Lindgren <tony@atomide.com> Reported-by: Alexander Stein <alexander.stein@ew.tq-group.com> Reported-by: Naresh Kamboju <naresh.kamboju@linaro.org> Link: https://lore.kernel.org/r/366a0232-bb4a-c357-6aa8-636e398e05eb@samsung.com Cc: Maxime Ripard <maxime@cerno.tech> Signed-off-by: Stephen Boyd <sboyd@kernel.org> Link: https://lore.kernel.org/r/20220403022818.39572-1-sboyd@kernel.org
2022-04-02Merge tag 'for-5.18/drivers-2022-04-02' of git://git.kernel.dk/linux-blockLinus Torvalds1-12/+12
Pull block driver fix from Jens Axboe: "Got two reports on nbd spewing warnings on load now, which is a regression from a commit that went into your tree yesterday. Revert the problematic change for now" * tag 'for-5.18/drivers-2022-04-02' of git://git.kernel.dk/linux-block: Revert "nbd: fix possible overflow on 'first_minor' in nbd_dev_add()"
2022-04-02Merge tag 'pci-v5.18-changes-2' of ↵Linus Torvalds1-8/+0
git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci Pull pci fix from Bjorn Helgaas: - Fix Hyper-V "defined but not used" build issue added during merge window (YueHaibing) * tag 'pci-v5.18-changes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci: PCI: hv: Remove unused hv_set_msi_entry_from_desc()
2022-04-02Merge tag 'tag-chrome-platform-for-v5.18' of ↵Linus Torvalds6-152/+181
git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux Pull chrome platform updates from Benson Leung: "cros_ec_typec: - Check for EC device - Fix a crash when using the cros_ec_typec driver on older hardware not capable of typec commands - Make try power role optional - Mux configuration reorganization series from Prashant cros_ec_debugfs: - Fix use after free. Thanks Tzung-bi sensorhub: - cros_ec_sensorhub fixup - Split trace include file misc: - Add new mailing list for chrome-platform development: chrome-platform@lists.linux.dev Now with patchwork!" * tag 'tag-chrome-platform-for-v5.18' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: platform/chrome: cros_ec_debugfs: detach log reader wq from devm platform: chrome: Split trace include file platform/chrome: cros_ec_typec: Update mux flags during partner removal platform/chrome: cros_ec_typec: Configure muxes at start of port update platform/chrome: cros_ec_typec: Get mux state inside configure_mux platform/chrome: cros_ec_typec: Move mux flag checks platform/chrome: cros_ec_typec: Check for EC device platform/chrome: cros_ec_typec: Make try power role optional MAINTAINERS: platform-chrome: Add new chrome-platform@lists.linux.dev list
2022-04-02Revert "nbd: fix possible overflow on 'first_minor' in nbd_dev_add()"Jens Axboe1-12/+12
This reverts commit 6d35d04a9e18990040e87d2bbf72689252669d54. Both Gabriel and Borislav report that this commit casues a regression with nbd: sysfs: cannot create duplicate filename '/dev/block/43:0' Revert it before 5.18-rc1 and we'll investigage this separately in due time. Link: https://lore.kernel.org/all/YkiJTnFOt9bTv6A2@zn.tnic/ Reported-by: Gabriel L. Somlo <somlo@cmu.edu> Reported-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2022-04-02Merge tag 'for-5.18/drivers-2022-04-01' of git://git.kernel.dk/linux-blockLinus Torvalds22-90/+182
Pull block driver fixes from Jens Axboe: "Followup block driver updates and fixes for the 5.18-rc1 merge window. In detail: - NVMe pull request - Fix multipath hang when disk goes live over reconnect (Anton Eidelman) - fix RCU hole that allowed for endless looping in multipath round robin (Chris Leech) - remove redundant assignment after left shift (Colin Ian King) - add quirks for Samsung X5 SSDs (Monish Kumar R) - fix the read-only state for zoned namespaces with unsupposed features (Pankaj Raghav) - use a private workqueue instead of the system workqueue in nvmet (Sagi Grimberg) - allow duplicate NSIDs for private namespaces (Sungup Moon) - expose use_threaded_interrupts read-only in sysfs (Xin Hao)" - nbd minor allocation fix (Zhang) - drbd fixes and maintainer addition (Lars, Jakob, Christoph) - n64cart build fix (Jackie) - loop compat ioctl fix (Carlos) - misc fixes (Colin, Dongli)" * tag 'for-5.18/drivers-2022-04-01' of git://git.kernel.dk/linux-block: drbd: remove check of list iterator against head past the loop body drbd: remove usage of list iterator variable after loop nbd: fix possible overflow on 'first_minor' in nbd_dev_add() MAINTAINERS: add drbd co-maintainer drbd: fix potential silent data corruption loop: fix ioctl calls using compat_loop_info nvme-multipath: fix hang when disk goes live over reconnect nvme: fix RCU hole that allowed for endless looping in multipath round robin nvme: allow duplicate NSIDs for private namespaces nvmet: remove redundant assignment after left shift nvmet: use a private workqueue instead of the system workqueue nvme-pci: add quirks for Samsung X5 SSDs nvme-pci: expose use_threaded_interrupts read-only in sysfs nvme: fix the read-only state for zoned namespaces with unsupposed features n64cart: convert bi_disk to bi_bdev->bd_disk fix build xen/blkfront: fix comment for need_copy xen-blkback: remove redundant assignment to variable i
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