- 18 Aug, 2017 4 commits
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Andreas Klinger authored
srf02 added with support for i2c interface Attributes for setting max range or sensitivity are omitted for the case of srf02 type sensor, because they are not supported by the hardware. Signed-off-by:
Andreas Klinger <ak@it-klinger.de> Signed-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Andreas Klinger authored
Ultrasonic sensor srf10 is quite similar to srf08 and now also supported by the driver as device tree compatible string. It was necessary to prepare the source for supplementary sensors. This is done by enum srf08_sensor_type. The most significiant difference between srf08 and srf10 is another range and values of register gain (in the driver it's call sensitivity). Therefore the array of it is extended and dependent of the sensor type. Signed-off-by:
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Andreas Klinger authored
Add support for triggered buffers. Data format is quite simple: distance 16 Bit alignment 48 Bit timestamp 64 Bit Signed-off-by:
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Andreas Klinger authored
Added MODULE_DEVICE_TABLE for device tree bindings. It used to work without it by using the i2c_device_id table, but adding the table makes everything clear and documented. Signed-off-by:
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- 17 Aug, 2017 3 commits
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Lorenzo Bianconi authored
Signed-off-by:
Lorenzo Bianconi <lorenzo.bianconi@st.com> Reviewed-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Lorenzo Bianconi authored
add support to STMicroelectronics LIS2MDL magnetometer in st_magn framework http://www.st.com/resource/en/datasheet/lis2mdl.pdfSigned-off-by:
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Arnd Bergmann authored
Without the triggered buffer code, we get a link error: drivers/iio/adc/at91-sama5d2_adc.o: In function `at91_adc_probe': at91-sama5d2_adc.c:(.text+0x938): undefined reference to `devm_iio_triggered_buffer_setup' This adds a Kconfig 'select' statement like other ADC drivers have it already. Fixes: 5e1a1da0 ("iio: adc: at91-sama5d2_adc: add hw trigger and buffer support") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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- 12 Aug, 2017 8 commits
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Lorenzo Bianconi authored
Remove int2 configuration parameter for LIS3DH, LSM303DLHC, LSM330D, LSM330DL, LSM330DLC, LSM303AGR, LIS2DH12 and LNG2DM since these devices export just int1 as data-ready line Fixes: 23cde4d6 (iio: Added platform data to select the DRDY pin) Fixes: dcdb0a78 (iio: accel: st_accel: add support to lng2dm) Signed-off-by:
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Lorenzo Bianconi authored
Remove int2 configuration parameter for LPS22HB and LPS25H since these devices export just int1 as data-ready line Fixes: 93187840 (iio:pressure: Add support for LPS25H pressure sensor) Fixes: e039e2f5 (iio:st_pressure:initial lps22hb sensor support) Signed-off-by:
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Sai Krishna Potthuri authored
This patch fix following checkpatch warnings in xadc driver 1. prefer 'unsigned int' to bare use of 'unsigned'. 2. else is not generally useful after a break or return. 3. fill all function definition arguments with identifier name Signed-off-by:
Sai Krishna Potthuri <lakshmis@xilinx.com> Signed-off-by:
Michal Simek <michal.simek@xilinx.com> Signed-off-by:
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Gustavo A. R. Silva authored
platform_get_irq() returns an error code, but the ad7606_par driver ignores it and always returns -ENODEV. This is not correct and, prevents -EPROBE_DEFER from being propagated properly. Print and propagate the return value of platform_get_irq on failure. This issue was detected with the help of Coccinelle. Signed-off-by:
Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by:
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Andy Yan authored
Add device tree bindings document for saradc on rockchip rv1108 soc. Signed-off-by:
Andy Yan <andy.yan@rock-chips.com> Acked-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Fabrice Gasnier authored
Add output compare trigger sources available on some instances. Signed-off-by:
Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by:
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Fabrice Gasnier authored
Add support for STM32H7 timer triggers: - Add new valids_table - Introduce compatible, with configuration data - Extend up to 15 timers, available on STM32H7 Signed-off-by:
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Fabrice Gasnier authored
STM32H7 has slightly different triggers than previous versions. Introduce st,stm32h7-timer-trigger compatible to handle this new variant. Signed-off-by:
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- 09 Aug, 2017 5 commits
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Andy Shevchenko authored
Allow user to call install target. Signed-off-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
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Andy Shevchenko authored
There is a nice buildsystem dedicated for userspace tools in Linux kernel tree. Switch iio target to be built by it. Signed-off-by:
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Andy Shevchenko authored
The driver doesn't have a struct of_device_id table but supported devices are registered via Device Trees. This is working on the assumption that a SPI device registered via OF will always match a legacy SPI device ID and that the MODALIAS reported will always be of the form spi:<device>. There is an ACPI method to enumerate such devices via specific ACPI ID and use of compatible strings. It will not work for the drivers which have no OF match ID table present. Besides this could change in the future so the correct approach is to have an OF device ID table if the devices are registered via OF. Tested-by:
David Lechner <david@lechnology.com> Signed-off-by:
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Fabrice Gasnier authored
STM32 ADC allows each channel to be sampled with a different sampling time, by setting SMPR registers. Basically, value depends on local electrical properties. Selecting correct value for sampling time highly depends on analog source impedance. There is a manual that may help in this process: 'How to get the best ADC accuracy in STM32...' This patch allows to configure minimum sampling time via device tree, either for: - all channels at once: st,min-sample-time-nsecs = <10000>; - independently for each channel (must match "st,adc-channels" list): st,adc-channels = <0 1>; st,min-sample-time-nsecs = <5000 10000>; Signed-off-by:
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Fabrice Gasnier authored
STM32 ADC allows each channel to be sampled with a different sampling time. There's an application note that deals with this: 'How to get the best ADC accuracy in STM32...' It basically depends on analog input signal electrical properties (depends on board). Add optional 'st,min-sample-time-nsecs' property so this can be tuned in dt. Signed-off-by:
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- 29 Jul, 2017 11 commits
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Dan Carpenter authored
"val" can be negative, so we'd write before the start of the par->gpio.db[] array. Fixes: c296d5f9 ("staging: fbtft: core support") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Jacob von Chorus authored
The return values on error are modified to be valid error codes. Theses error codes are propagated back to the init function's return. Signed-off-by:
Jacob von Chorus <jacobvonchorus@cwphoto.ca> Signed-off-by:
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Jacob von Chorus authored
The bitstream storage variables were changed from char to u8 arrays to prevent issues such as negative lengths. This change makes the code compatible with the "data" field in "struct firmware" which is of type u8. Signed-off-by:
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Jacob von Chorus authored
Four fields in struct fpgaimage are char arrays of length MAX_STR (256). The amount of data read into these buffers is controlled by a length field in the bitstream file read from userspace. If a corrupt or malicious firmware file was supplied, kernel data beyond these buffers can be overwritten arbitrarily. This patch adds a check of the bitstream's length value to ensure it fits within the bounds of the allocated buffers. An error condition is returned from gs_read_bitstream if any of the reads fail. Signed-off-by:
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Dmytro Shynkevych authored
Move macro definitions from source file into respective header file This concludes macro cleanup as outlined in TODO Signed-off-by:
Dmytro Shynkevych <dm.shynk@gmail.com> Acked-by:
Jason Cooper <jason@lakedaemon.net> Signed-off-by:
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Colin Ian King authored
Module parameter vbox_modeset and structure vbox_bo_driver do not need to be in global scope and hence can be made static. Cleans up a couple of sparse warnings: symbol 'vbox_modeset' was not declared. Should it be static? symbol 'vbox_bo_driver' was not declared. Should it be static? Signed-off-by:
Colin Ian King <colin.king@canonical.com> Acked-by:
Hans de Goede <hdegoede@redhat.com> Acked-by:
Michael Thayer <michael.thayer@oracle.com> Signed-off-by:
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Paolo Cretaro authored
Fix compiler warnings: vbox_mode.c:57:15: warning: variable ‘crtc_id’ set but not used vbox_mode.c:581:25: warning: variable ‘vbox_connector’ set but not used Signed-off-by:
Paolo Cretaro <paolocretaro@gmail.com> Acked-by:
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Martin Kepplinger authored
This fixes typos in vboxvideo's help text. Most notably, "to builtin this module" becomes "to build this driver built-in to the kernel". Signed-off-by:
Martin Kepplinger <martink@posteo.de> Acked-by:
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Hans de Goede authored
The vboxvideo code uses various gen_pool_* functions, so it needs lib/genalloc.c to be built. In some configs this is not happening, so add select GENERIC_ALLOCATOR to the Kconfig file to enforce this. Note all other Kconfig references to GENERIC_ALLOCATOR also use select. Signed-off-by:
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Arnd Bergmann authored
I ran into this link error on an ARM OABI build: drivers/staging/pi433/rf69.o: In function `rf69_set_frequency': rf69.c:(.text+0xc9c): undefined reference to `__udivdi3' No idea why I didn't see it with the default EABI configurations, but the right solution here seems to be to use div_u64() to get the external division implementation. Fixes: 874bcba6 ("staging: pi433: New driver") Signed-off-by:
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Derek Robson authored
Fixed the alignment of block comments Found using checkpatch Signed-off-by:
Derek Robson <robsonde@gmail.com> Reviewed-by:
Marcus Wolf <linux@wolf-entwicklungen.de> Signed-off-by:
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- 28 Jul, 2017 9 commits
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Colin Ian King authored
The function rf69_set_bandwidth_intern is local to the source and do not need to be in global scope, so make it static. Also break overly wide line. Cleans up sparse warning: symbol 'update_share_count' was not declared. Should it be static? Signed-off-by:
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Joseph Wright authored
Error should be checked with IS_ERR after calling kthread_run() instead of comparing the returned pointer to an int. Found by sparse warning: incompatible types for operation (<) left side has type struct task_struct *tx_task_struct right side has type int Signed-off-by:Joseph Wright <rjosephwright@gmail.com> Reviewed-by:
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Joseph Wright authored
Declare functions static to fix sparse warnings: warning: symbol 'pi433_receive' was not declared. Should it be static? warning: symbol 'pi433_tx_thread' was not declared. Should it be static? Signed-off-by:
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Randy Dunlap authored
The pi433 driver uses SPI interfaces so it should depend on SPI. Also, the "default n" can be removed since that is already the default. Fixes these build errors when SPI is not enabled: drivers/staging/pi433/pi433_if.o: In function `pi433_probe': pi433_if.c:(.text+0x1135): undefined reference to `spi_setup' pi433_if.c:(.text+0x1177): undefined reference to `spi_write_then_read' drivers/staging/pi433/pi433_if.o: In function `pi433_init': pi433_if.c:(.init.text+0xb8): undefined reference to `__spi_register_driver' drivers/staging/pi433/rf69.o: In function `rf69_read_fifo': rf69.c:(.text+0x102): undefined reference to `spi_sync' drivers/staging/pi433/rf69.o: In function `rf69_write_fifo': rf69.c:(.text+0x248): undefined reference to `spi_sync' drivers/staging/pi433/rf69.o: In function `rf69_read_reg': rf69.c:(.text+0x290): undefined reference to `spi_write_then_read' drivers/staging/pi433/rf69.o: In function `rf69_write_reg': rf69.c:(.text+0x523): undefined reference to `spi_sync' Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Reviewed-by:
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dan.carpenter@oracle.com authored
copy_to_user() to user returns the number of bytes that weren't copied, but we should be returning -EFAULT to the user. Fixes: 874bcba6 ("staging: pi433: New driver") Signed-off-by:
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Suniel Mahesh authored
kfree(NULL) is safe and their is no need for a NULL check. Pointed out by checkpatch. Signed-off-by:
Suniel Mahesh <sunil.m@techveda.org> Acked-by:
Gilad Ben-Yossef <gilad@benyossef.com> Signed-off-by:
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Gilad Ben-Yossef authored
The SSI_LOG macros already add __func__ to log messages, so remove log message that add them a second time in the log message itself. Signed-off-by:
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Simon Sandström authored
Fixes checkpatch.pl alignment warnings. Signed-off-by:
Simon Sandström <simon@nikanor.nu> Signed-off-by:
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Simon Sandström authored
Fixes checkpatch.pl alignment warnings. Signed-off-by:
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