- 17 May, 2021 38 commits
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Nuno Sa authored
With commit 3ba10e37371d ("iio: adis: add burst_max_speed_hz variable"), we just need to define 'burst_max_speed_hz' and the adis core will take care of setting up the spi transfers for burst mode. Hence, we fix a potential race with the spi core where we could be left with an invalid 'max_speed_hz'. Reviewed-by:Alexandru Ardelean <ardeleanalex@gmail.com> Fixes: fff7352b ("iio: imu: Add support for adis16475") Signed-off-by:
Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20210427085454.30616-6-nuno.sa@analog.comSigned-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Nuno Sa authored
Typically, in burst mode, the device cannot operate at it's full spi speed. Hence, the spi transfers for burst mode have to take this into account. With this change we avoid a potential race with the spi core as drivers were 'hacking' the device 'max_speed_hz' directly in the trigger handler. Reviewed-by:
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Nuno Sa authored
There's no point in pushing data to IIO buffers in case 'spi_sync()' fails. Reviewed-by:
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Nuno Sa authored
It makes more sense to update the device page as soon as we we successfully changed it. Moreover, a follow up patch will handle 'spi_sync' error path which would leave 'current_page' in a inconsistent state. Signed-off-by:
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Nuno Sa authored
On an IRQ handler we should not return normal error codes as 'irqreturn_t' is expected. This is done by jumping to the 'check_burst32' label where we return 'IRQ_HANDLED'. Note that it is fine to do the burst32 check in this error path. If we have proper settings to apply burst32, we might just do the setup now so that the next sample already uses it. Fixes: fff7352b ("iio: imu: Add support for adis16475") Reviewed-by:
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Tomas Melin authored
Add initial support for Murata SCA3300 3-axis industrial accelerometer with digital SPI interface. This device also provides a temperature measurement. Datasheet: https://www.murata.com/en-global/products/sensor/accel/sca3300Signed-off-by:
Tomas Melin <tomas.melin@vaisala.com> Reviewed-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20210426081041.59807-3-tomas.melin@vaisala.comSigned-off-by:
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Tomas Melin authored
initial DT bindings for Murata SCA3300 Accelerometer. Signed-off-by:
Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210426081041.59807-2-tomas.melin@vaisala.comSigned-off-by:
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Jonathan Cameron authored
This binding covers class of simple SPI ADCs which only provide data output - they don't have MOSI pin. The only real variation between them is over how many supplies they use and which one is used for the reference. Michael listed as maintainer for this one as it is his driver and falls under the catch all MAINTAINERS entry for ADI devices. Signed-off-by:
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Jonathan Cameron authored
Not all of the parts supported by this driver use single supply. Hence we add chip_info fields to say what additional supplies exist and in the case of vref, ensure that is used for the reference voltage rather than vcc. One corner case is the ad7091r which has an internal reference that can be over-driven by an external reference connected on the vref pin. To handle that force_ext_vref is introduced and set if an optional vref regulator is present. Tested using really simple QEMU model and some fixed regulators. The devm_add_action_or_reset() callback is changed to take the regulator as it's parameter so we can use one callback for all the different regulators without having to store pointers to them in the iio_priv() structure. Signed-off-by:
kernel test robot <lkp@intel.com> Reviewed-by:
Lars-Peter Clausen <lars@metafoo.de> Link: https://lore.kernel.org/r/20210425163154.73209-2-jic23@kernel.org
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Jonathan Cameron authored
Fairly simple conversion with the exception of the XOR between spi-cpha and spi-cpol. Signed-off-by:
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Jonathan Cameron authored
These are never upper case. Chances are that all users of this driver were using the ACPI binding but just in case keep the uppercase version but mark it deprecated. Whilst here tidy up some spacing. Signed-off-by:
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Jonathan Cameron authored
The device has a tsens-busy pin, but it's both fiddly and currently ignored by the Linux driver. Given it's not clear whether the binding should be an interrupt, or a GPIO I have left that out for now. Signed-off-by:
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Jonathan Cameron authored
Two simple devices. The stk8ba50 datasheet could be found via google, but I only have the driver for the 8312. Given they both seem to be 3 axis devices with a single interrupt line, add them to trivial-devices.yaml Signed-off-by:
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Jonathan Cameron authored
Simple devices with I2C interface and single interrupt line so entries in trivial devices are sufficient. Signed-off-by:
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Jonathan Cameron authored
Binding documentation for this driver was missing. Note that the binding and some in tree dts files specifiy interrupts etc but the driver is fairly simple and does not yet make use of them. Listed both Joachim and myself as maintainers for this binding on basis it's Joachim's driver but I don't want to volunteer Joachim too strongly to look after this doc. Signed-off-by:
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Jonathan Cameron authored
Linux driver currently relies on the driver.name to match to the compatible, but that doesn't mean it isn't a good idea to document it. Only real complexity is the 3 separate power supplies. Signed-off-by:
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Jonathan Cameron authored
These two devices have different internal characteristics, but their external connectivity and as a result device tree descriptions are identical. Note that neither driver in Linux currently has an of_match_table but instead rely on matching via name alone. Signed-off-by:
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Yicong Yang authored
Use devm_add_action_or_reset() instead of devres_alloc() and devres_add(), which works the same. This will simplify the code. There is no functional changes. Signed-off-by:
Yicong Yang <yangyicong@hisilicon.com> Reviewed-by:
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Yicong Yang authored
Use devm_add_action_or_reset() instead of devres_alloc() and devres_add(), which works the same. This will simplify the code. There is no functional changes. Signed-off-by:
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Yicong Yang authored
Use devm_add_action_or_reset() instead of devres_alloc() and devres_add(), which works the same. This will simplify the code. There is no functional changes. Signed-off-by:
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Yicong Yang authored
Use devm_add_action_or_reset() instead of devres_alloc() and devres_add(), which works the same. This will simplify the code. There is no functional changes. Signed-off-by:
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Yicong Yang authored
Use devm_add_action_or_reset() instead of devres_alloc() and devres_add(), which works the same. This will simplify the code. There is no functional changes. Signed-off-by:
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Yicong Yang authored
Use devm_add_action_or_reset() instead of devres_alloc() and devres_add(), which works the same. This will simplify the code. There is no functional changes. Signed-off-by:
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Yicong Yang authored
Use devm_add_action_or_reset() instead of devres_alloc() and devres_add(), which works the same. This will simplify the code. There is no functional changes. Signed-off-by:
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Joe Sandom authored
Device tree binding for AMS/TAOS tsl2591 ambient light sensor. This driver supports configuration via device tree and sysfs. Supported channels for raw infrared light intensity, raw combined light intensity and illuminance in lux. The driver additionally supports iio events on lower and upper thresholds. This is a very-high sensitivity light-to-digital converter that transforms light intensity into a digital signal. Signed-off-by:
Joe Sandom <joe.g.sandom@gmail.com> Reviewed-by:
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Joe Sandom authored
Driver implementation for AMS/TAOS tsl2591 ambient light sensor. This driver supports configuration via device tree and sysfs. Supported channels for raw infrared light intensity, raw combined light intensity and illuminance in lux. The driver additionally supports iio events on lower and upper thresholds. This is a very-high sensitivity light-to-digital converter that transforms light intensity into a digital signal. Datasheet: https://ams.com/tsl25911#tab/documentsSigned-off-by:
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Nuno Sa authored
On the trigger handler, we might need to change the device page. Hence, we should check the return value from 'spi_write()' and act accordingly. Signed-off-by:
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Nuno Sa authored
On an IRQ handler we should not return normal error codes as 'irqreturn_t' is expected. Not necessary to apply to stable as the original check cannot fail and as such the bug cannot actually occur. Fixes: 5eda3550 ("staging:iio:adis16400: Preallocate transfer message") Reviewed-by:
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Nuno Sa authored
On an IRQ handler we should not return normal error codes as 'irqreturn_t' is expected. Not necessarily stable material as the old check cannot fail, so it's a bug we can not hit. Fixes: ccd2b52f ("staging:iio: Add common ADIS library") Reviewed-by:
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Andy Shevchenko authored
Enable ADC on Intel Galileo Gen 1 board. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210412131835.70212-1-andriy.shevchenko@linux.intel.comSigned-off-by:
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Linus Walleij authored
This adjusts the ST Sensor bindings with the more fine-grained syntax checks that were proposed late in the last kernel cycle and colliding with parallel work. Cc: devicetree@vger.kernel.org Reviewed-by:
Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20210412122331.1631643-1-linus.walleij@linaro.orgSigned-off-by:
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Tian Tao authored
Fix the following coccicheck warning: drivers/iio/trigger/stm32-timer-trigger.c:299:8-16: WARNING: use scnprintf or sprintf Signed-off-by:
Tian Tao <tiantao6@hisilicon.com> Link: https://lore.kernel.org/r/1618216751-1678-4-git-send-email-tiantao6@hisilicon.comSigned-off-by:
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Tian Tao authored
Fix the following coccicheck warning: drivers/iio/light/veml6030.c:131:8-16: WARNING: use scnprintf or sprintf Signed-off-by:
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Tian Tao authored
Fix the following coccicheck warning: ./drivers/iio/chemical/sps30.c:414:8-16: WARNING: use scnprintf or sprintf Signed-off-by:
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Puranjay Mohan authored
TMP117 is a Digital temperature sensor with integrated Non-Volatile memory. Add support for tmp117 driver in iio subsystem. Datasheet: https://www.ti.com/lit/gpn/tmp117Signed-off-by:
Puranjay Mohan <puranjay12@gmail.com> Reviewed-by:
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Puranjay Mohan authored
Add devicetree binding document for TMP117, a digital temperature sensor. Signed-off-by:
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Krzysztof Kozlowski authored
The initialization of 'ret' variable in probe function is shortly after overwritten. This initialization is simply not used. Addresses-Coverity: Unused value Signed-off-by:
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Reviewed-by:
Alim Akhtar <alim.akhtar@samsung.com> Link: https://lore.kernel.org/r/20210410164728.8096-1-krzysztof.kozlowski@canonical.comSigned-off-by:
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Greg Kroah-Hartman authored
We need the staging and iio fixes in here as well. Signed-off-by:Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 16 May, 2021 2 commits
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Linus Torvalds authored
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Linus Torvalds authored
Merge tag 'driver-core-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core fixes from Greg KH: "Here are two driver fixes for driver core changes that happened in 5.13-rc1. The clk driver fix resolves a many-reported issue with booting some devices, and the USB typec fix resolves the reported problem of USB systems on some embedded boards. Both of these have been in linux-next this week with no reported issues" * tag 'driver-core-5.13-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: clk: Skip clk provider registration when np is NULL usb: typec: tcpm: Don't block probing of consumers of "connector" nodes
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