- 27 Nov, 2021 1 commit
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Paul Cercueil authored
This structure was never used anywhere, so it can safely be dropped. It will later be re-introduced as a different structure in a different header. Signed-off-by:
Paul Cercueil <paul@crapouillou.net> Reviewed-by:
Alexandru Ardelean <ardeleanalex@gmail.com> Link: https://lore.kernel.org/r/20211115141925.60164-3-paul@crapouillou.netSigned-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 20 Nov, 2021 1 commit
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Andy Shevchenko authored
Use dedicated variable for index in the loop in the iio_buffers_alloc_sysfs_and_mask(). This will make code cleaner and less error prone as proved by previous changes done in this function. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20211013094923.2473-3-andriy.shevchenko@linux.intel.comSigned-off-by:
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- 17 Nov, 2021 38 commits
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Maslov Dmitry authored
Previously ltr501 driver supported a number of light and, proximity sensors including ltr501, ltr559 and ltr301. This adds support for another light sensor ltr303 used in Seeed Studio reTerminal, a carrier board for Raspberry Pi 4 CM. Signed-off-by:
Maslov Dmitry <maslovdmitry@seeed.cc> Link: https://lore.kernel.org/r/20211106174137.6783-1-maslovdmitry@seeed.ccSigned-off-by:
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Xu Wang authored
The print function dev_err() is redundant because platform_get_irq() already prints an error. Signed-off-by:
Xu Wang <vulab@iscas.ac.cn> Reviewed-by:
Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by:
Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Link: https://lore.kernel.org/r/20211105015504.39226-1-vulab@iscas.ac.cnSigned-off-by:
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Gwendal Grignou authored
When processing raw data using channel scan_type.shift as source of trust to shift data appropriately. When processing the temperature channel, use a 16bit big endian variable as buffer to increase conversion readability. Signed-off-by:
Gwendal Grignou <gwendal@chromium.org> Link: https://lore.kernel.org/r/20211104082413.3681212-14-gwendal@chromium.orgSigned-off-by:
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Gwendal Grignou authored
Minor cleanup: bit is already defined as chan->scan_type.realbits, use bit when needed. Signed-off-by:
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Gwendal Grignou authored
By using scan_type.realbits when processing raw data, we use scan_type.shit only once, thus we don't need to define a local variable for it anymore. Signed-off-by:
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Gwendal Grignou authored
Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by:
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Gwendal Grignou authored
Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by:
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Gwendal Grignou authored
Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by:
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Gwendal Grignou authored
Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by:
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Gwendal Grignou authored
Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by:
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Gwendal Grignou authored
Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by:
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Gwendal Grignou authored
Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by:
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Gwendal Grignou authored
Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by:
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Gwendal Grignou authored
Use channel definition as root of trust and replace constant when reading elements directly using the raw sysfs attributes. Signed-off-by:
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Lars-Peter Clausen authored
Using `dev_get_drvdata()` in IIO sysfs callbacks to get a pointer to the IIO device is a relic from the very early days of IIO. The IIO core as well as most other drivers have switched over to using `dev_to_iio_dev()` instead. This driver is one of the last few drivers remaining that uses the outdated idiom, update it. This will allow to eventually update the IIO core to no longer set the drvdata for the IIO device and free it up for driver usage. Signed-off-by:
Lars-Peter Clausen <lars@metafoo.de> Link: https://lore.kernel.org/r/20211019082929.30503-2-lars@metafoo.deSigned-off-by:
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Lars-Peter Clausen authored
The at91-sama5d2 driver calls `to_platform_device()` on a struct device that is part of a IIO device. This is incorrect since `to_platform_device()` must only be called on a struct device that is part of a platform device. The code still works by accident because non of the struct platform_device specific fields are accessed. Refactor the code a bit so that it behaves identically, but does not use the incorrect cast. This avoids accidentally adding undefined behavior in the future by assuming the `struct platform_device` is actually valid. Signed-off-by:
Eugen Hristev <eugen.hristev@microchip.com> Link: https://lore.kernel.org/r/20211019082929.30503-1-lars@metafoo.deSigned-off-by:
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Lars-Peter Clausen authored
The IRQ handler's return type is irqreturn_t. The mma8452 uses a variable to store the return value, but the variable is of type int. Change this to irqreturn_t. This makes it easier to verify that the code is correct. Signed-off-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20211101102734.32291-1-lars@metafoo.deSigned-off-by:
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Lars-Peter Clausen authored
The IIO core handles a trigger ops with all NULL callbacks the same as if the trigger ops itself was NULL. Remove the empty trigger ops from the interrupt trigger driver to slightly reduce the boilerplate code. Object size of the driver module is also slightly reduced. Signed-off-by:
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Lars-Peter Clausen authored
The IIO core handles a trigger ops with all NULL callbacks the same as if the trigger ops itself was NULL. Remove the empty trigger ops from the interrupt trigger driver to slightly reduce the boilerplate code. Object size of the driver module is also slightly reduced. Signed-off-by:
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Lars-Peter Clausen authored
The IIO core handles a trigger ops with all NULL callbacks the same as if the trigger ops itself was NULL. Remove the empty trigger ops from the interrupt trigger driver to slightly reduce the boilerplate code. Object size of the driver module is also slightly reduced. Signed-off-by:
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Lars-Peter Clausen authored
The IIO core handles a trigger ops with all NULL callbacks the same as if the trigger ops itself was NULL. Remove the empty trigger ops from the interrupt trigger driver to slightly reduce the boilerplate code. Object size of the driver module is also slightly reduced. Signed-off-by:
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Lars-Peter Clausen authored
The IIO core handles a trigger ops with all NULL callbacks the same as if the trigger ops itself was NULL. Remove the empty trigger ops from the interrupt trigger driver to slightly reduce the boilerplate code. Object size of the driver module is also slightly reduced. Signed-off-by:
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Lars-Peter Clausen authored
The IIO core handles a trigger ops with all NULL callbacks the same as if the trigger ops itself was NULL. Remove the empty trigger ops from the interrupt trigger driver to slightly reduce the boilerplate code. Object size of the driver module is also slightly reduced. Signed-off-by:
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Lars-Peter Clausen authored
The IIO core handles a trigger ops with all NULL callbacks the same as if the trigger ops itself was NULL. Remove the empty trigger ops from the interrupt trigger driver to slightly reduce the boilerplate code. Object size of the driver module is also slightly reduced. Signed-off-by:
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Lars-Peter Clausen authored
The IIO core handles a trigger ops with all NULL callbacks the same as if the trigger ops itself was NULL. Remove the empty trigger ops from the interrupt trigger driver to slightly reduce the boilerplate code. Object size of the driver module is also slightly reduced. Signed-off-by:
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Lars-Peter Clausen authored
The IIO core handles a trigger ops with all NULL callbacks the same as if the trigger ops itself was NULL. Remove the empty trigger ops from the interrupt trigger driver to slightly reduce the boilerplate code. Object size of the driver module is also slightly reduced. Signed-off-by:
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Lars-Peter Clausen authored
The iio_device_type struct is never modified, mark it as const. This allows it to be placed in a read-only memory section, which will protect against accidental or deliberate modification. Signed-off-by:
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Andriy Tryshnivskyy authored
Add IIO_CHAN_INFO_RAW to the mask and implement corresponding reading "raw" attribute in scmi_iio_read_raw. Signed-off-by:
Andriy Tryshnivskyy <andriy.tryshnivskyy@opensynergy.com> Acked-by:
Jyoti Bhayana <jbhayana@google.com> Link: https://lore.kernel.org/r/20211024091627.28031-3-andriy.tryshnivskyy@opensynergy.comSigned-off-by:
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Andriy Tryshnivskyy authored
Introduce IIO_VAL_INT_64 to read 64-bit value for channel attribute. Val is used as lower 32 bits. Signed-off-by:
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Cai Huoqing authored
kthread_run() and kthread_stop() already do reference counting of the task, so remove get_task_struct/put_task_struct() to avoid double reference counting. Signed-off-by:
Cai Huoqing <caihuoqing@baidu.com> Link: https://lore.kernel.org/r/20211021124254.3247-2-caihuoqing@baidu.comSigned-off-by:
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Cai Huoqing authored
Repalce kthread_create/wake_up_process() with kthread_run() to simplify the code. Reviewed-by:
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Lars-Peter Clausen authored
The ms5611 passes &indio_dev->dev as a parameter to all its IO callbacks only to directly cast the struct device back to struct iio_dev. And the struct iio_dev is then only used to get the drivers state struct. Simplify this a bit by passing the state struct directly. This makes it a bit easier to follow what the code is doing. Signed-off-by:
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Lars-Peter Clausen authored
The `imx7d_adc_enable()` and `imx7d_adc_disable()` functions are used as the suspend and resume callbacks for the device. When called as suspend/resume functions they are called with the platform_device's device as their parameter. In addition the functions are called on device probe and remove. In this case they are passed the struct device of the IIO device that the driver registers. This works because in the `imx7d_adc_{enable,disable}()` functions the passed struct device is only ever used as a parameter to `dev_get_drvdata()` and `dev_get_drvdata()` returns the same value for the platform device and the IIO device. But for consistency we should pass the same struct device to the `imx7d_adc_{enable,disable}()` in all cases. This will avoid accidental breakage if the device is ever used for something more than `dev_get_drvdata()`. Another motivation is that `dev_get_drvdata()` on the IIO device relies on the IIO core calling `dev_set_drvdata()`. Something we want to remove. Signed-off-by: -
Lars-Peter Clausen authored
Using `dev_get_drvdata()` in IIO sysfs callbacks to get a pointer to the IIO device is a relic from the very early days of IIO. The IIO core as well as most other drivers have switched over to using `dev_to_iio_dev()` instead. This driver is one of the last few drivers remaining that uses the outdated idiom, update it. This will allow to eventually update the IIO core to no longer set the drvdata for the IIO device and free it up for driver usage. Signed-off-by:
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Wan Jiabing authored
Fix following coccicheck warning: ./drivers/iio/adc/stm32-adc.c:2014:1-33: WARNING: Function for_each_available_child_of_node should have of_node_put() before return. Early exits from for_each_available_child_of_node should decrement the node reference counter. Replace return by goto here. Reviewed-by:
Fabrice Gasnier <fabrice.gasnier@foss.st.com> Signed-off-by:
Wan Jiabing <wanjiabing@vivo.com> Link: https://lore.kernel.org/r/20211021121826.6339-1-wanjiabing@vivo.comSigned-off-by:
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Lars-Peter Clausen authored
In some setups the IRQ signal of the XADC might not be wired to the host system. The driver currently requires that an interrupt is specified. Make the interrupt optional so the driver can be used in such setups where the interrupt is not connected. Since both the internal triggers as well as events depend on the interrupt being connected both are not available when the interrupt is not connected. Buffered access is still supported even without an interrupt since an external trigger can be used. The IRQ is only optional when using the AXI interface, since the PCAP interface needs the IRQ for reading and writing registers. Signed-off-by:
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Uwe Kleine-König authored
Whan an i2c driver's remove function returns a non-zero error code nothing happens apart from emitting a generic error message. Make this error message more device specific and return zero instead. Signed-off-by:
Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Link: https://lore.kernel.org/r/20211025195007.84541-1-u.kleine-koenig@pengutronix.deSigned-off-by:
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André Gustavo Nakagomi Lopez authored
clk_get_rate() is not guaranteed to work if called before clk_prepare_enable(). Reorder clk_get_rate(), so it's called after clk_prepare_enable() and after devm_add_action_or_reset() of lpc18xx_clk_disable(). Not that this is not a problem on this particular device, but it is good to remove a case that might get copied elsewhere. Suggested-by:
Jonathan Cameron <jic23@kernel.org> Acked-by:
Vladimir Zapolskiy <vz@mleia.com> Signed-off-by:
André Gustavo Nakagomi Lopez <andregnl@usp.br> Link: https://lore.kernel.org/r/YXag5l4xBkGQH3tq@Andryuu.brSigned-off-by:
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