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2020-03-08iio: imu: inv_mpu6050: enable i2c aux mux bypass only onceJean-Baptiste Maneyrol
i2c auxiliary mux is done by analog switches. You do not need to set them for every i2c transfer. Just set i2c bypass bit at init and do noting in i2c de/select. Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08dt-bindings: iio: adc: max1363 etc i2c ADC binding conversionJonathan Cameron
Split the binding in two to reflect the threshold monitor capabilities and hence interrupts vs the more straight forward parts that don't have this facility. Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Reviewed-by: Rob Herring <robh@kernel.org>
2020-03-08iio: trigger: stm32-timer: enable clock when in master modeFabrice Gasnier
Clock should be enabled as soon as using master modes, even before enabling timer. Or, this may provoke bad behavior on the other end (slave timer). Then, introduce 'clk_enabled' flag, instead of relying on CR1 EN bit, to keep track of clock being enabled (balanced refcount). Propagate this anywhere else in the driver. Also add 'remove' routine to stop timer and disable clock in case it has been left enabled. Enforce the user interface has been unregistered in the remove routine, before disabling the hardware to avoid possible race. So, remove use of devm_ variant to register triggers and unregister them before the hardware gets disabled [1]. [1] https://patchwork.kernel.org/patch/9956247/ Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: light: al3320a allow module autoload and polishDavid Heidelberg
- allow autoloading when build as module and defined inside DT Signed-off-by: David Heidelberg <david@ixit.cz> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: light: al3320a implement devm_add_action_or_resetDavid Heidelberg
Use devm_add_action_or_reset to automatically disable the device and allow you to get rid of the remove function entirely. Signed-off-by: David Heidelberg <david@ixit.cz> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: light: al3320a implement suspend supportDavid Heidelberg
AL3320a is fairly simple chip, so for suspend is enough to disable and later enable it again. Signed-off-by: David Heidelberg <david@ixit.cz> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: light: add Dyna-Image AL3010 driverDavid Heidelberg
Based on: - 3320A in-kernel driver - https://www.spinics.net/lists/linux-iio/msg25145.html - https://lore.kernel.org/patchwork/patch/684179/ I decided to keep it aside of AL3320A due to different approach and much simpler design of 3010. Tested on Nexus 7 2012 (grouper/tilapia). Tested-by: David Heidelberg <david@ixit.cz> Tested-by: Dmitry Osipenko <digetx@gmail.com> Tested-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Reviewed-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: David Heidelberg <david@ixit.cz> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: light: al3320a slightly improve code formattingDavid Heidelberg
- modified to be in part with al3010 driver - cleanup using bitfield, no functionality change intended Signed-off-by: David Heidelberg <david@ixit.cz> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08dt-bindings: iio: light: add support for Dyna-Image AL3010David Heidelberg
The Dyna-Image AL3010 is a 16-bit digital ambient light sensor which provides a multiple gain function with linear response over a dynamic range 1216/4863/19452/77806. Signed-off-by: David Heidelberg <david@ixit.cz> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08dt-bindings: iio: light: add support for Dyna-Image AL3320ADavid Heidelberg
This commit add dt-bindings support to al3320a driver and vendor-prefix dynaimage. Partly based on unmerged commit: "iio: Add Dyna-Image AP3223 ambient light and proximity driver" Signed-off-by: David Heidelberg <david@ixit.cz> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08staging: iio: adc: ad7192: move out of stagingAlexandru Tachici
Move ad7192 ADC driver out of staging into mainline. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08Documentation: ABI: testing: ad7192: update sysfs docsAlexandru Tachici
Updated mainline documentation on ad7192 userspace sysfs. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08staging: iio: adc: ad7192: removed spi_device_idAlexandru Tachici
This patch removes spi_device_id table and moves the init data (id of the chip) in the .data field of of_device_id table. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08staging: iio: adc: ad7192: modify iio_chan_spec arrayAlexandru Tachici
This patch changes the static const struct iio_chan_spec arrays in a way that all the necessary attributes are set at compile time. Now ad7192_channels_config only makes the channels attribute of iio_dev point to the right array depending on the chip. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08staging: iio: adc: ad7192: fail probe on get_voltageAlexandru Tachici
This patch makes the ad7192_probe fail in case regulator_get_voltage will return an error or voltage is set to 0. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: adc: ad7124: Add direct reg accessMircea Caprioru
This patch adds the posibility do read and write registers from userspace using the kernel debug direct register access option. Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: adis16460: Make use of __adis_initial_startupNuno Sá
All of the actions done in `adis16460_initial_setup()` are now done in `__adis_initial_startup()` so, there's no need for code duplication. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: adis16480: Make use of __adis_initial_startupNuno Sá
All actions done in `adis16480_initial_setup()` are now done in `__adis_initial_startup()` so, there's no need for code duplication. Furthermore, the call to `adis16480_initial_setup()` is done before any device configuration since the device will be reset if not already (via rst pin). This is actually fixing a potential bug since `adis_reset()` was being called after configuring the device which is obviously a problem. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis: add support product ID check in adis_initial_startupAlexandru Ardelean
Each driver/chip that wants to validate it's product id, can now specify a 'prod_id_reg' and an expected 'prod_id' value. The 'prod_id' value is intentionally left 0 (uninitialized). There aren't (yet) any product IDs with value 0; this enforces that both 'prod_id_reg' and 'prod_id' are specified. At the very least, this routine validates that the SPI connection to the ADIS chip[s] works well. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis: Refactor adis_initial_startupNuno Sá
All the ADIS devices perform, at the beginning, a self test to make sure the device is in a sane state. Previously, the logic was that the self-test was performed in adis_initial_startup() and if that failed a reset was done and then a self-test was attempted again. This change unifies the reset mechanism under the adis_initial_startup() call. A HW reset will be done if GPIO is configured, or a SW reset otherwise. This should make sure that the chip is in a sane state for self-test. Once the reset is done, the self-test operation will be performed. If anything goes wrong with self-test, the driver should just bail/error-out (i.e. no second attempt). The chip would likely not be a in a sane state state if the self-test fails after a reset. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis: Add self_test_reg variableNuno Sá
This patch adds a dedicated self_test_reg variable. This is also a step to let new drivers make use of `adis_initial_startup()`. Some devices use MSG_CTRL reg to request a self_test command while others use the GLOB_CMD register. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis: add unlocked __adis_initial_startup()Alexandru Ardelean
This change splits the __adis_initial_startup() away from adis_initial_startup(). The unlocked version can be used in certain calls during probe, where races won't happen since the ADIS driver may not be registered yet with IIO. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: gyro: adis16136: initialize adis_data staticallyAlexandru Ardelean
This change overrides commit 380b107bbf944 ("iio: adis: Introduce timeouts structure"). It removes the memory allocation and moves the 'adis_data' information to be static on the chip_info struct. This also adds a timeout structure to ADIS16334, since it was initially omitted. This was omitted (by accident) when the change was done. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis16400: initialize adis_data staticallyAlexandru Ardelean
This change overrides commit 380b107bbf944 ("iio: adis: Introduce timeouts structure"). It removes the memory allocation and moves the 'adis_data' information to be static on the chip_info struct. This also adds a timeout structure to ADIS16334, since it was initially omitted. This was omitted (by accident) when the change was done. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: adis16480: initialize adis_data staticallyAlexandru Ardelean
This change overrides commit 380b107bbf944 ("iio: adis: Introduce timeouts structure"). It removes the memory allocation and moves the 'adis_data' information to be static on the chip_info struct. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: imu: st_lsm6dsx: check return value from st_lsm6dsx_sensor_set_enableLorenzo Bianconi
Add missing return value check in st_lsm6dsx_shub_read_oneshot disabling the slave device connected to the st_lsm6dsx i2c controller. The issue is reported by coverity with the following error: Unchecked return value: If the function returns an error value, the error value may be mistaken for a normal value. Addresses-Coverity-ID: 1456767 ("Unchecked return value") Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08MAINTAINERS: add entry for hmc425a driver.Beniamin Bia
Add Beniamin Bia and Michael Hennerich as maintainers for HMC425A attenuator. Signed-off-by: Beniamin Bia <beniamin.bia@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08dt-bindings: iio: amplifiers: Add docs for HMC425A Step AttenuatorMichael Hennerich
Document support for Analog Devices MC425A Step Attenuator. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Beniamin Bia <beniamin.bia@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-08iio: amplifiers: hmc425a: Add support for HMC425A attenuatorMichael Hennerich
This patch adds support for the HMC425A 0.5 dB LSB GaAs MMIC 6-BIT DIGITAL POSITIVE CONTROL ATTENUATOR, 2.2 - 8.0 GHz. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/hmc425A.pdf Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Beniamin Bia <beniamin.bia@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-04staging: wilc1000: use flexible-array member instead of zero-length arrayAjay Singh
Use flexible-array member introduced in C99 instead of zero-length array. Most of zero-length array was already taken care in previous patch [1]. Now modified few more cases which were not handled earlier. [1]. https://patchwork.kernel.org/patch/11394197/ Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Link: https://lore.kernel.org/r/20200302162226.4196-4-ajay.kathat@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: wilc1000: remove unnecessary always true 'if' conditionsAjay Singh
Remove the unnecessary always true 'if' conditions and simiplifed the logic as suggested in [1]. [1]. https://lore.kernel.org/linux-wireless/20200302092346.GA24308@kadam/ Suggested-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Link: https://lore.kernel.org/r/20200302162226.4196-3-ajay.kathat@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: wilc1000: use correct data for memcpy in wilc_hif_pack_sta_param()Ajay Singh
Use correct data for memcpy in wilc_hif_pack_sta_param(). Its reported by Smatch static code analyser tool as discussed in [1]. [1]. https://lore.kernel.org/linux-wireless/20200302092346.GA24308@kadam/ Suggested-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Ajay Singh <ajay.kathat@microchip.com> Link: https://lore.kernel.org/r/20200302162226.4196-2-ajay.kathat@microchip.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: vt6656: Remove unnecessary local variables initializationOscar Carter
Don't initialize variables that are then set a few lines later. Signed-off-by: Oscar Carter <oscar.carter@gmx.com> Reviewed-by: Quentin Deslandes <quentin.deslandes@itdev.co.uk> Link: https://lore.kernel.org/r/20200301135028.11753-1-oscar.carter@gmx.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: vt6656: Move vnt_rx_data to usbpipe.cMalcolm Priestley
vnt_rx_data is a USB function and vnt_submit_rx_urb_complete is the only caller therefore removing dpc.c/h files and becoming static. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Link: https://lore.kernel.org/r/d3937276-5a47-7184-e263-84d9c9cb5c7a@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: vt6656: Delete int.c/h file and move functions to usbpipeMalcolm Priestley
Move functions vnt_int_process_data and vnt_int_report_rate to usbpipe.c and vnt_interrupt_data to usbpipe.h These form part of the USB structure. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Link: https://lore.kernel.org/r/bc21d3d7-81be-4ec1-030e-4e7a45f98238@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: vt6656: Remove function vnt_int_process_data.Malcolm Priestley
call vnt_start_interrupt_urb directly from vnt_start. Move debug message to vnt_start_interrupt_urb. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Link: https://lore.kernel.org/r/dff3a1d0-4d24-d9ea-2a15-c81fd544bc79@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: vt6656: vnt_int_start_interrupt remove spin lock.Malcolm Priestley
This formed part of the legacy driver and potentially multi users. The driver now has only one user mac80211 remove this lock. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Link: https://lore.kernel.org/r/871a78d4-6d3e-f34b-d0ae-6123803c6faf@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: vt6656: vnt_vt3184_init remove stack copy to array.Malcolm Priestley
use u8 pointer addr directly and remove stack array. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Link: https://lore.kernel.org/r/49f34764-c90c-8c5f-b4f2-a3668b13e519@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: vt6656: use vnt_vt3184_agc array directlyMalcolm Priestley
vnt_vt3184_agc is always the same regardless of rf type so use the array directly removing from stack buffer. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Link: https://lore.kernel.org/r/4b455ee4-7ac7-e1ff-4a10-2d99f2e30714@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: vt6656: Remove STATUS enums from TX pathMalcolm Priestley
Returning standard error code or status variable. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Link: https://lore.kernel.org/r/21bf299b-63e0-9f65-c7db-6e0b72e0f1d8@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: vt6656: Use mac80211 duration for tx headersMalcolm Priestley
mac80211 already provides the correct duration simply copy it to the tx headers removing the need for driver to find it with vnt_get_duration_le. Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com> Link: https://lore.kernel.org/r/0cdde611-119b-b223-e8c8-b59fb497a7b9@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: kpc2000: prevent underflow in cpld_reconfigure()Dan Carpenter
This function should not allow negative values of "wr_val". If negatives are allowed then capping the upper bound at 7 is meaningless. Let's make it unsigned. Fixes: 7dc7967fc39a ("staging: kpc2000: add initial set of Daktronics drivers") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Cc: stable <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20200224103325.hrxdnaeqsthplu42@kili.mountain Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: exfat: remove redundant if statementsTetsuhiro Kohada
If statement does not affect results when updating directory entry in ffsMapCluster(). Signed-off-by: Tetsuhiro Kohada <Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp> Link: https://lore.kernel.org/r/20200302095716.64155-2-Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: exfat: clean up d_entry rebuilding.Tetsuhiro Kohada
Clean up d_entry rebuilding in exfat_rename_file() and move_file(). -Replace memcpy of d_entry with structure copy. -Change to use the value already stored in fid. Signed-off-by: Tetsuhiro Kohada <Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp> Acked-by: Valdis Kletnieks <valdis.kletnieks@vt.edu> Link: https://lore.kernel.org/r/20200302095716.64155-1-Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: exfat: remove 'file creation modes'Tetsuhiro Kohada
The mode parameter in ffsCreateFile() and create_file() is redundant. Remove it and definition. Signed-off-by: Tetsuhiro Kohada <Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp> Link: https://lore.kernel.org/r/20200228084037.15123-1-Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04Staging: exfat: fixed a long line coding style issuevivek m
Fixed a coding style issue Signed-off-by: Vivek M <bitu.kv@gmail.com> Link: https://lore.kernel.org/r/1582837865-2219-1-git-send-email-bitu.kv@gmail.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: exfat: rename buf_cache_t's 'flag' to 'locked'Tetsuhiro Kohada
buf_cache_t.flag is used only for lock. Change the variable name from 'flag' to 'locked' and remove unused definitions. Reviewed-by: Takahiro Mori <Mori.Takahiro@ab.MitsubishiElectric.co.jp> Signed-off-by: Tetsuhiro Kohada <Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp> Link: https://lore.kernel.org/r/20200227104043.11503-1-Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-03-04staging: exfat: remove symlink featureTetsuhiro Kohada
Completely remove symlink codes and definitions. In the previous patch, it was not completely removed. Reviewed-by: Takahiro Mori <Mori.Takahiro@ab.MitsubishiElectric.co.jp> Signed-off-by: Tetsuhiro Kohada <Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp> Link: https://lore.kernel.org/r/20200227061559.4481-1-Kohada.Tetsuhiro@dc.MitsubishiElectric.co.jp Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-24Merge 5.6-rc3 into staging-nextGreg Kroah-Hartman
We need the staging fixes in here, and it resolves a merge issue in the MAINTAINERS file. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-02-23Linux 5.6-rc3v5.6-rc3Linus Torvalds
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