- 21 Sep, 2022 16 commits
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Angel Iglesias authored
Simplified common initialization logic of different sensor types unifying calibration and initial configuration recovery. Default config param values of each sensor type are stored inside chip_info structure and used to initialize sensor data struct instance. The helper functions for read each sensor type calibration are converted to a callback available on the chip_info struct. Separated bme280 specific calibration code from bmp280 function. Dropped the additional chip_id argument in bmp280 code as is not longer required. Now both bmp280/bme280 calibration function use same signature as bmp180. Suggested-by:
Jonathan Cameron <jic23@kernel.org> Signed-off-by:
Angel Iglesias <ang.iglesiasg@gmail.com> Link: https://lore.kernel.org/r/584c90f309e4f24bf2e4aa2b15c8577d288f978d.1663025017.git.ang.iglesiasg@gmail.comSigned-off-by:
Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Angel Iglesias authored
On bmp280 and bme280, the temperature and pressure calibration parameters are available on a contiguous memory region. Considering this arrangement, simplified the calibration reading function by using only one buffer to read in batch temperature and pressure registers. Signed-off-by:
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Angel Iglesias authored
Cleaned and simplified register values construction and extraction converting to use FIELD_PREP and FIELD_GET macros. Replaced hardcoded bit masks with GENMASK macro. Signed-off-by:
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Angel Iglesias authored
Reordered definitions of local variables following the reverse christmas tree convention. Suggested-by:
Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by:
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Nuno Sá authored
Make sure that the needed i2c functionality is supported during probe. Signed-off-by:
Nuno Sá <nuno.sa@analog.com> Signed-off-by:
Michael Hennerich <michael.hennerich@analog.com> Link: https://lore.kernel.org/r/20220913073413.140475-3-nuno.sa@analog.comSigned-off-by:
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Michael Hennerich authored
For reliable operation across the full range of supported interface rates, the AD5593R needs a STOP condition between address write, and data read (like show in the datasheet Figure 40) so in turn i2c_smbus_read_word_swapped cannot be used. While at it, a simple helper was added to make the code simpler. Fixes: 56ca9db8 ("iio: dac: Add support for the AD5592R/AD5593R ADCs/DACs") Signed-off-by:
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Crt Mori authored
Change/refactor to the new way of defining available attribute values. Signed-off-by:
Crt Mori <cmo@melexis.com> Link: https://lore.kernel.org/r/20220906112632.244453-1-cmo@melexis.comSigned-off-by:
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George Mois authored
ADXL312 and ADXL314 are small, thin, low power, 3-axis accelerometers with high resolution (13-bit) measurement up to +/-12 g and +/- 200 g respectively. Implement support for ADXL312 and ADXL314 by extending the ADXL313 driver. Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL312.pdf Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ADXL314.pdfSigned-off-by:
George Mois <george.mois@analog.com> Link: https://lore.kernel.org/r/20220905132018.364900-2-george.mois@analog.comSigned-off-by:
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George Mois authored
Extend the adi,adxl313.yaml file with information regrding the ADXL312 and ADXL314 devices. Signed-off-by:
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20220905132018.364900-1-george.mois@analog.comSigned-off-by:
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Angel Iglesias authored
Updated links for BMP280 and BME280 datasheets on Bosch website. Datasheet of BMP180 is no longer available on the manufacturer's website, changed the link to a copy hosted by a third party. Reported-by:
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Martyn Welch authored
Add support for ST LPS22DF pressure sensor. Datasheet: https://www.st.com/resource/en/datasheet/lps22df.pdfSigned-off-by:
Martyn Welch <martyn.welch@collabora.co.uk> Link: https://lore.kernel.org/r/20220909161611.780720-2-martyn.welch@collabora.co.ukSigned-off-by:
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Martyn Welch authored
Add support for the ST LPS22DF, an I2C/SPI pressure sensor. Signed-off-by:
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Greg Kroah-Hartman authored
Merge tag 'coresight-next-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux into char-misc-next Suzuki writes: "coresight: Changes for v6.1 Coresight trace subsystem updates for v6.1 includes: - Support for HiSilicon PTT trace - Coresight cleanup of sysfs accessor functions, reduced code size. - Expose coresight timestamp source for ETMv4+ - DT binding updates to include missing properties - Minor documentation, Kconfig text fixes. Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>" * tag 'coresight-next-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/coresight/linux: hwtracing: hisi_ptt: Fix up for "iommu/dma: Make header private" MAINTAINERS: Add maintainer for HiSilicon PTT driver docs: trace: Add HiSilicon PTT device driver documentation hwtracing: hisi_ptt: Add tune function support for HiSilicon PCIe Tune and Trace device hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe Tune and Trace device iommu/arm-smmu-v3: Make default domain type of HiSilicon PTT device to identity coresight: cti-sysfs: Mark coresight_cti_reg_store() as __maybe_unused coresight: Make new csdev_access offsets unsigned coresight: cti-sysfs: Re-use same functions for similar sysfs register accessors coresight: Re-use same function for similar sysfs register accessors coresight: Simplify sysfs accessors by using csdev_access abstraction coresight: Remove unused function parameter coresight: etm4x: docs: Add documentation for 'ts_source' sysfs interface coresight: etm4x: Expose default timestamp source in sysfs dt-bindings: arm: coresight-tmc: Add 'iommu' property dt-bindings: arm: coresight: Add 'power-domains' property coresight: docs: Fix a broken reference coresight: trbe: fix Kconfig "its" grammar
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Greg Kroah-Hartman authored
Merge tag 'iio-for-6.1a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into char-misc-next Jonathan writes: 1st set of IIO new device support, features and cleanup for 6.1 This includes Nuno Sa's work to move the IIO core over to generic firmware properties rather than having DT specific code paths. Combined with Andy Shevchenko's long term work on drivers, this leaves IIO in a good state for handling other firmware types. New device support - liteon,ltrf216a * New driver and dt bindings to support this Light sensor. - maxim,max11205 * New driver for this 16bit single channel ADC. - memsensing,msa311 * New driver for this accelerometer. Includes a string helper for read/write. - richtek,rtq6056 * New driver and dt binding to support this current monitor used to measure power usage. - yamaha,yas530 * Support the YAS537 variant (series includes several fixes for other parts and new driver features). Staging graduation - adi,ad7746 CDC. Cleanup conducted against set of roadtest tests using the posted RFC of that framework. Features - core * Large rework to make all the core IIO code use generic firmware properties. Includes switching some drivers over as well using newly provided generic interfaces and allowing removal of DT specific ones. * Support for gesture event types for single and double tap. Used in bosch,bma400. - atmel,at91-sama5d2 * Add support for temperature sensor which uses two muxed inputs to estimate the temperature. * Handle trackx bits of EMR register to improve temp sampling accuracy. * Runtime PM support. - liteon,ltrf216a * Add a _raw channel output to allow working around an issue with differing conversions equations that breaks some user space controls. - mexelis,mlx90632 * Support regulator control. - ti,tsc2046 * External reference voltage support. Clean up and minor fixes - Tree-wide * devm_clk_get_enabled() replacements of opencoded equivalent. * Remaining IIO_DMA_MINALIGN conversions (the staging/iio drivers). * Various minor warning and similar cleanup such as missing static markings. * strlcpy() to strscpy() for cases where return value not checked. * provide units.h entries for more HZ units and use them in drivers. - dt-bindings cleanup * Drop maintainers listss where the email address is bouncing. * Switch spi devices over to using spi-peripheral.yaml * Add some missing unevaluatedProperties / additionalProperties: false entries. - ABI docs * Add some missing channel type specific sampling frequency entries. * Add parameter names for callback parameters. - MAINTAINERS * Fix wrong ADI forum links. - core * lockdep class per device, to avoid an issue with nest when one IIO device is the consumer of another. * White space tweaks. - asc,dlhl60d * Use get_unaligned_be24 to avoid some unusual data manipulation and masking. - atmel,at91-sama5d2 * Fix wrong max value. * Improve error handling when measuring pressure and touch. * Add locks to remove races on updating oversampling / sampling freq. * Add missing calls in suspend and resume path to ensure state is correctly brought up if buffered capture was in use when suspend happened. * Error out of write_raw() callback if buffered capture enabled to avoid unpredictable behavior. * Handle different versions having different oversampling ratio support and drop excess error checking. * Cleanup magic value defines where the name is just the value and hence hurts readability. * Use read_avail() callback to provide info on possible oversampling ratios. * Correctly handle variable bit depth when doing oversampling on different supported parts. Also handle higher oversampling ratios. - fsl,imx8qxp * Don't ignore errors from regulator_get_voltage() so as to avoid some very surprising scaling. - invensense,icp10100 * Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS. UNIVERSAL rarely made sense and is now deprecated. In this driver we just avoid double disabling in some paths. - maxim,max1363 * Drop consumer channel map provision by platform data. There have been better ways of doing this for years and there are no in tree users. - microchip,mcp3911 * Update status to maintained. - qcom,spmi-adc5 * Support measurement of LDO output voltage. - qcom,spmi-adc * Add missing channel available on SM6125 SoC. - st,stmpe * Drop requirement on node name in binding now that driver correctly doesn't enforce it. - stx104 * Move to more appropriate addac directory - ti,am335x * Document ti,am654-adc compatible already in use in tree. - ti,hmc5843 * Move dev_pm_ops out of header and use new pm macros to handle export. - yamaha,yas530 * Minor cleanups. * tag 'iio-for-6.1a' of https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio: (142 commits) iio: pressure: icp10100: Switch from UNIVERSAL to DEFINE_RUNTIME_DEV_PM_OPS(). iio: adc: max1363: Drop provision to provide an IIO channel map via platform data iio: accel: bma400: Add support for single and double tap events iio: Add new event type gesture and use direction for single and double tap iio: Use per-device lockdep class for mlock iio: adc: add max11205 adc driver dt-bindings: iio: adc: Add max11205 documentation file iio: magnetometer: yamaha-yas530: Use dev_err_probe() iio: magnetometer: yamaha-yas530: Make strings const in chip info iio: magnetometer: yamaha-yas530: Use pointers as driver data iio: adc: tsc2046: silent spi_device_id warning iio: adc: tsc2046: add vref support dt-bindings: iio: adc: ti,tsc2046: add vref-supply property iio: light: ltrf216a: Add raw attribute dt-bindings: iio: Add missing (unevaluated|additional)Properties on child nodes MAINTAINERS: fix Analog Devices forum links iio/accel: fix repeated words in comments dt-bindings: iio: accel: add dt-binding schema for msa311 accel driver iio: add MEMSensing MSA311 3-axis accelerometer driver dt-bindings: vendor-prefixes: add MEMSensing Microsystems Co., Ltd. ...
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Greg Kroah-Hartman authored
Merge tag 'mhi-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi into char-misc-next Manivannan writes: "MHI Host -------- - Print the modem name while probing the MHI host pci-generic driver. This has been exposed as a debug information so far but on a low storate embedded devices such as OpenWRT based products, this helps in identifying the attached modem without enabling the debug logs." * tag 'mhi-for-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/mani/mhi: bus: mhi: host: always print detected modem name
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Greg Kroah-Hartman authored
Merge tag 'fpga-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga into char-misc-next Xu writes: FPGA Manager changes for 6.1-rc1 DFL - Matthew's change adds new device IDs supported by DFL. - Dan's change uses array_size() for memory allocation to prevent potential overflow Microchip - Conor's change adds MODULE_AUTHOR entry for microchip-spi driver - Krzysztof's change refines dt-bindings Intel m10 bmc secure update - Russ's change adds new device ID supported by the driver All patches have been reviewed on the mailing list, and have been in the last linux-next releases (as part of our for-next branch). Signed-off-by:
Xu Yilun <yilun.xu@intel.com> * tag 'fpga-for-6.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/fpga/linux-fpga: fpga: m10bmc-sec: d5005 bmc secure update driver fpga: prevent integer overflow in dfl_feature_ioctl_set_irq() dt-bindings: fpga: microchip,mpf-spi-fpga-mgr: use spi-peripheral-props.yaml fpga: microchip-spi: add missing module author entry fpga: dfl-pci: Add IDs for Intel N6000, N6001 and C6100 cards
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- 16 Sep, 2022 1 commit
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Koen Vandeputte authored
This harmless print provides a very easy way of knowing if the modem is detected properly during probing. Promote it to an informational print so no hassle is required enabling kernel debugging info to obtain it. The rationale here is that: On a lot of low-storage embedded devices, extensive kernel debugging info is not always present as this would increase it's size to much causing partition size issues. Signed-off-by:
Koen Vandeputte <koen.vandeputte@citymesh.com> Reviewed-by:
Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> Reviewed-by:
Loic Poulain <loic.poulain@linaro.org> Link: https://lore.kernel.org/r/20220831100349.1488762-1-koen.vandeputte@citymesh.com [mani: added missing review tags] Signed-off-by:
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- 12 Sep, 2022 1 commit
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Stephen Rothwell authored
drivers/hwtracing/ptt/hisi_ptt.c:13:10: fatal error: linux/dma-iommu.h: No such file or directory 13 | #include <linux/dma-iommu.h> | ^~~~~~~~~~~~~~~~~~~ Caused by: commit ff0de066 ("hwtracing: hisi_ptt: Add trace function support for HiSilicon PCIe Tune and Trace device") interacting with: commit f2042ed2 ("iommu/dma: Make header private") from the iommu tree. Signed-off-by:Stephen Rothwell <sfr@canb.auug.org.au> Acked-by:
Robin Murphy <robin.murphy@arm.com> Acked-by:
Yicong Yang <yangyicong@hisilicon.com> [Fixed subject line and added changelog text] Signed-off-by:
Mathieu Poirier <mathieu.poirier@linaro.org>
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- 11 Sep, 2022 1 commit
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Russ Weight authored
Add a driver name for the D5005 BMC secure update driver. Different driver names are used for the N3000 and D5005 devices because future changes will add conditional code based on the device type (N3000 vs D5005). This change enables D5005 secure updates of BCM images, BMC firmware, static-region images, etc. Signed-off-by:
Russ Weight <russell.h.weight@intel.com> Acked-by:
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- 09 Sep, 2022 15 commits
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Xuezhi Zhang authored
Follow the advice of the Documentation/filesystems/sysfs.rst and show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by:
Xuezhi Zhang <zhangxuezhi1@coolpad.com> Link: https://lore.kernel.org/r/20220901013423.418464-1-zhangxuezhi3@gmail.comSigned-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Shunsuke Mie authored
The dma_map_single() doesn't permit zero length mapping. It causes a follow panic. A panic was reported on arm64: [ 60.137988] ------------[ cut here ]------------ [ 60.142630] kernel BUG at kernel/dma/swiotlb.c:624! [ 60.147508] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP [ 60.152992] Modules linked in: dw_hdmi_cec crct10dif_ce simple_bridge rcar_fdp1 vsp1 rcar_vin videobuf2_vmalloc rcar_csi2 v4l 2_mem2mem videobuf2_dma_contig videobuf2_memops pci_endpoint_test videobuf2_v4l2 videobuf2_common rcar_fcp v4l2_fwnode v4l2_asyn c videodev mc gpio_bd9571mwv max9611 pwm_rcar ccree at24 authenc libdes phy_rcar_gen3_usb3 usb_dmac display_connector pwm_bl [ 60.186252] CPU: 0 PID: 508 Comm: pcitest Not tainted 6.0.0-rc1rpci-dev+ #237 [ 60.193387] Hardware name: Renesas Salvator-X 2nd version board based on r8a77951 (DT) [ 60.201302] pstate: 00000005 (nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--) [ 60.208263] pc : swiotlb_tbl_map_single+0x2c0/0x590 [ 60.213149] lr : swiotlb_map+0x88/0x1f0 [ 60.216982] sp : ffff80000a883bc0 [ 60.220292] x29: ffff80000a883bc0 x28: 0000000000000000 x27: 0000000000000000 [ 60.227430] x26: 0000000000000000 x25: ffff0004c0da20d0 x24: ffff80000a1f77c0 [ 60.234567] x23: 0000000000000002 x22: 0001000040000010 x21: 000000007a000000 [ 60.241703] x20: 0000000000200000 x19: 0000000000000000 x18: 0000000000000000 [ 60.248840] x17: 0000000000000000 x16: 0000000000000000 x15: ffff0006ff7b9180 [ 60.255977] x14: ffff0006ff7b9180 x13: 0000000000000000 x12: 0000000000000000 [ 60.263113] x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 [ 60.270249] x8 : 0001000000000010 x7 : ffff0004c6754b20 x6 : 0000000000000000 [ 60.277385] x5 : ffff0004c0da2090 x4 : 0000000000000000 x3 : 0000000000000001 [ 60.284521] x2 : 0000000040000000 x1 : 0000000000000000 x0 : 0000000040000010 [ 60.291658] Call trace: [ 60.294100] swiotlb_tbl_map_single+0x2c0/0x590 [ 60.298629] swiotlb_map+0x88/0x1f0 [ 60.302115] dma_map_page_attrs+0x188/0x230 [ 60.306299] pci_endpoint_test_ioctl+0x5e4/0xd90 [pci_endpoint_test] [ 60.312660] __arm64_sys_ioctl+0xa8/0xf0 [ 60.316583] invoke_syscall+0x44/0x108 [ 60.320334] el0_svc_common.constprop.0+0xcc/0xf0 [ 60.325038] do_el0_svc+0x2c/0xb8 [ 60.328351] el0_svc+0x2c/0x88 [ 60.331406] el0t_64_sync_handler+0xb8/0xc0 [ 60.335587] el0t_64_sync+0x18c/0x190 [ 60.339251] Code: 52800013 d2e00414 35fff45c d503201f (d4210000) [ 60.345344] ---[ end trace 0000000000000000 ]--- To fix it, this patch adds a checking the payload length if it is zero. Fixes: 343dc693 ("misc: pci_endpoint_test: Prevent some integer overflows") Cc: stable <stable@kernel.org> Signed-off-by:
Shunsuke Mie <mie@igel.co.jp> Link: https://lore.kernel.org/r/20220907020100.122588-2-mie@igel.co.jpSigned-off-by:
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Shunsuke Mie authored
Each transfer test functions have same parameter checking code. This patch unites those to an introduced function. Signed-off-by:
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Fabio M. De Francesco authored
kmap() is being deprecated in favor of kmap_local_page(). There are two main problems with kmap(): (1) It comes with an overhead as the mapping space is restricted and protected by a global lock for synchronization and (2) it also requires global TLB invalidation when the kmap’s pool wraps and it might block when the mapping space is fully utilized until a slot becomes available. With kmap_local_page() the mappings are per thread, CPU local, can take page faults, and can be called from any context (including interrupts). It is faster than kmap() in kernels with HIGHMEM enabled. Furthermore, the tasks can be preempted and, when they are scheduled to run again, the kernel virtual addresses are restored and still valid. Since its use in xilinx_sdfec.c is safe, replace kmap()i / kunmap() with kmap_local_page() / kunmap_local(). Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com> Suggested-by:
Ira Weiny <ira.weiny@intel.com> Signed-off-by:
Fabio M. De Francesco <fmdefrancesco@gmail.com> Link: https://lore.kernel.org/r/20220901154408.23984-3-fmdefrancesco@gmail.comSigned-off-by:
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Fabio M. De Francesco authored
Pages in an array are mapped in a loop but, after the code is done with the virtual addresses, these pages are never unmapped. Therefore, call kunmap() to unmap pages[i]. Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com> Cc: Ira Weiny <ira.weiny@intel.com> Signed-off-by:
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Fabio M. De Francesco authored
kmap() is being deprecated in favor of kmap_local_page(). There are two main problems with kmap(): (1) It comes with an overhead as the mapping space is restricted and protected by a global lock for synchronization and (2) it also requires global TLB invalidation when the kmap’s pool wraps and it might block when the mapping space is fully utilized until a slot becomes available. With kmap_local_page() the mappings are per thread, CPU local, can take page faults, and can be called from any context (including interrupts). It is faster than kmap() in kernels with HIGHMEM enabled. Furthermore, the tasks can be preempted and, when they are scheduled to run again, the kernel virtual addresses are restored and still valid. Since its use in vmci_queue_pair.c is safe everywhere, replace kmap() with kmap_local_page(). Cc: "Venkataramanan, Anirudh" <anirudh.venkataramanan@intel.com> Suggested-by:
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Jiasheng Jiang authored
When drivers are working properly, they are quiet. Therefore, the vbg_info() should be removed. Suggested-by:
Hans de Goede <hdegoede@redhat.com> Signed-off-by:
Jiasheng Jiang <jiasheng@iscas.ac.cn> Link: https://lore.kernel.org/r/20220901144619.3550352-1-jiasheng@iscas.ac.cnSigned-off-by:
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Jiasheng Jiang authored
The driver core supports the ability to handle the creation and removal of device-specific sysfs files in a race-free manner. Moreover, it can guarantee the success of creation. Therefore, it should be better to convert to use dev_groups. Fixes: 0ba002bc ("virt: Add vboxguest driver for Virtual Box Guest integration") Reviewed-by:
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Wei Yongjun authored
Use the module_auxiliary_driver() macro to make the code simpler by eliminating module_init and module_exit calls. Fixes: 7d3e4d80 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.") Reviewed-by:
Kumaravel Thiagarajan <kumaravel.thiagarajan@microchip.com> Signed-off-by:
Wei Yongjun <weiyongjun1@huawei.com> Link: https://lore.kernel.org/r/20220907145808.1789249-5-weiyongjun@huaweicloud.comSigned-off-by:
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Wei Yongjun authored
This patch adds missing MODULE_DEVICE_TABLE definition which generates correct modalias for automatic loading of this driver when it is built as an external module. Fixes: 7d3e4d80 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.") Reviewed-by:
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Wei Yongjun authored
The sparse tool complains as follows: drivers/misc/mchp_pci1xxxx/mchp_pci1xxxx_gpio.c:409:34: warning: symbol 'pci1xxxx_gpio_auxiliary_id_table' was not declared. Should it be static? This symbol is not used outside of mchp_pci1xxxx_gpio.c, so marks it static. Fixes: 7d3e4d80 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.") Reported-by:
kernel test robot <lkp@intel.com> Reviewed-by:
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Wei Yongjun authored
The driver allocates the spinlock but not initialize it. Use spin_lock_init() on it to initialize it correctly. Fixes: 7d3e4d80 ("misc: microchip: pci1xxxx: load gpio driver for the gpio controller auxiliary device enumerated by the auxiliary bus driver.") Reviewed-by:
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Wei Yongjun authored
In some error handling path, resoures alloced may not released. This patch fix them. Fixes: 393fc2f5 ("misc: microchip: pci1xxxx: load auxiliary bus driver for the PIO function in the multi-function endpoint of pci1xxxx device.") Reviewed-by:
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Yicong Yang authored
Add maintainer for driver and documentation of HiSilicon PTT device. Signed-off-by:
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Yicong Yang authored
Document the introduction and usage of HiSilicon PTT device driver as well as the sysfs attributes description provided by the driver. Signed-off-by:
Bagas Sanjaya <bagasdotme@gmail.com> [Fixed month and kernel version] Link: https://lore.kernel.org/r/20220816114414.4092-5-yangyicong@huawei.comSigned-off-by:
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- 08 Sep, 2022 3 commits
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Yicong Yang authored
Add tune function for the HiSilicon Tune and Trace device. The interface of tune is exposed through sysfs attributes of PTT PMU device. Acked-by:
John Garry <john.garry@huawei.com> Signed-off-by:
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Yicong Yang authored
HiSilicon PCIe tune and trace device(PTT) is a PCIe Root Complex integrated Endpoint(RCiEP) device, providing the capability to dynamically monitor and tune the PCIe traffic and trace the TLP headers. Add the driver for the device to enable the trace function. Register PMU device of PTT trace, then users can use trace through perf command. The driver makes use of perf AUX trace function and support the following events to configure the trace: - filter: select Root port or Endpoint to trace - type: select the type of traced TLP headers - direction: select the direction of traced TLP headers - format: select the data format of the traced TLP headers This patch initially add basic trace support of PTT device. Acked-by:
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Yicong Yang authored
The DMA operations of HiSilicon PTT device can only work properly with identical mappings. So add a quirk for the device to force the domain as passthrough. Acked-by:
Will Deacon <will@kernel.org> Signed-off-by:
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- 07 Sep, 2022 3 commits
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Vishnu Dasa authored
Add a new entry for VMWARE VSOCK VMCI TRANSPORT DRIVER in the MAINTAINERS file. Acked-by:
Stefano Garzarella <sgarzare@redhat.com> Signed-off-by:
Vishnu Dasa <vdasa@vmware.com> Link: https://lore.kernel.org/r/20220906172722.19862-4-vdasa@vmware.comSigned-off-by:
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Vishnu Dasa authored
Change the status from 'Maintained' to 'Supported' for VMWARE BALLOON DRIVER, VMWARE PVRDMA DRIVER, VMWARE PVSCSI driver, VMWARE VMCI DRIVER, VMWARE VMMOUSE SUBDRIVER and VMWARE VMXNET3 ETHERNET DRIVER. This needs to be done to conform to the guidelines in [1]. Maintainers for these drivers are VMware employees. [1] https://docs.kernel.org/process/maintainers.htmlAcked-by:
Nadav Amit <namit@vmware.com> Signed-off-by:
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Vishnu Dasa authored
Change 'VMware PVSCSI driver' entry to upper case. This is a trivial change being done for uniformity. Signed-off-by:
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