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- 04 Apr, 2019 25 commits
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H. Nikolaus Schaller authored
This patch allows to read a mount-matrix device tree property and report to user-space or in-kernel iio clients. Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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H. Nikolaus Schaller authored
This patch allows to read a mount-matrix device tree property and report to user-space or in-kernel iio clients. Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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H. Nikolaus Schaller authored
This patch allows to read a mount-matrix device tree property and report to user-space or in-kernel iio clients. Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Andy Shevchenko authored
Currently mount matrix is allowed in Device Tree, though there is no technical issue to extend it to support ACPI. Convert the function to use device_property_read_string_array() and thus allow to read mount matrix from ACPI if available. Example of use in _DSD method: Name (_DSD, Package () { ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"), Package () { Package () { "mount-matrix", Package() { "1", "0", "0", "0", "0.866", "0.5", "0", "-0.5", "0.866", } }, } }) At the same time drop the "of" prefix from its name and convert current users. No functional change intended. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Bárbara Fernandes authored
Solves checkpath.pl's message: CHECK: Comparison to NULL could be written "!indio_dev" Signed-off-by: Bárbara Fernandes <barbara.fernandes@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Bárbara Fernandes authored
Put macro argument between parenthesis in order to avoid precedence issues. Solves the following checkpath.pl's messages: CHECK: Macro argument 'mode' may be better as '(mode)' to avoid precedence issues CHECK: Macro argument 'channel' may be better as '(channel)' to avoid precedence issues CHECK: Macro argument reuse 'sequence' - possible side-effects? CHECK: Macro argument 'sequence' may be better as '(sequence)' to avoid precedence issues CHECK: Macro argument 'val' may be better as '(val)' to avoid precedence issues CHECK: Macro argument 'dec' may be better as '(dec)' to avoid precedence issues CHECK: Macro argument 'bits' may be better as '(bits)' to avoid precedence issues Signed-off-by: Bárbara Fernandes <barbara.fernandes@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Bárbara Fernandes authored
Replace use of the operation '<<' by the BIT macro. Solves checkpath.pl's message: CHECK: Prefer using the BIT macro Signed-off-by: Bárbara Fernandes <barbara.fernandes@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Bárbara Fernandes authored
Get broken line aligned with parenthesis on upper line. Solves checkpatch.pl's message: CHECK: Alignment should match open parenthesis Signed-off-by: Bárbara Fernandes <barbara.fernandes@usp.br> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fabrice Gasnier authored
Add suspend/resume PM sleep ops. When going to low power, disable active counter. Only active counter should be resumed: don't touch disabled counter, as it may be used by other LPTimer MFD child driver. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Fabrice Gasnier authored
Add documentation for optional pinctrl sleep state that can be used by STM32 LPTimer encoder/counter. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Tomasz Duszynski authored
4.22 have never existed and this change was actually added to 5.0 hence fix the numbering. Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Stefan Popa authored
Document support for ADIS16480 Inertial Measurement Unit. Signed-off-by: Stefan Popa <stefan.popa@analog.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Stefan Popa authored
The ADIS16495 and ADIS16497 are inertial systems that include a triaxis gyroscope and a triaxis accelerometer. The serial peripheral interface (SPI) provide a simple interface for data collection and configuration control. The devices are similar to ADIS16475, ADIS16480, ADIS16485 and ADIS16488, the main differences are highlighted below: * The temperature data scale is 0.00565 C/LSB for ADIS16475 and ADIS1648x devices, while for ADIS1649x 0.0125 C/LSB. * ADIS1649x devices support different gyroscope measurement ranges which are dependent on the dash number (-1, -2, -3), see Table 24 in the ADIS16495 datasheet. However, the ADIS16497 gyroscopes have the same scale as ADIS16495. * ADIS16495 devices support the acceleration maximum range of 8g, while ADIS16497 devices go up to 40g. * The internal clock for ADIS1649x devices is 4.25 kSPS. The sampling frequency is calculated by applying a decimation rate which can take a maximum value of 4250. * ADIS1649x devices support different default filter frequencies. Datasheets: Link: https://www.analog.com/media/en/technical-documentation/data-sheets/adis16495.pdf Link: https://www.analog.com/media/en/technical-documentation/data-sheets/adis16497.pdfSigned-off-by: Stefan Popa <stefan.popa@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Stefan Popa authored
When setting the filter frequency, the driver looks into the adis16480_def_filter_freqs table for the best match. Pass this table to the chip_info struct since future devices will need to use a different table. Signed-off-by: Stefan Popa <stefan.popa@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Stefan Popa authored
The adis1648x devices have an internal clock of 2.46 kSPS. The sampling frequency is calculated by applying a decimation rate which can take the maximum value of 2047. Although all adis1648x devices are similar in this regard, devices that will use this feature will be added in the future. Signed-off-by: Stefan Popa <stefan.popa@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Stefan Popa authored
All supported devices provide internal temperature measurement from -40 C to +85 C, with +25 C representing value 0x00. This patch treats the temperature scale in a generic way, similar to the accelerometer and gyroscope scales. So far, there are no temperature max scale differences between the supported devices. However, devices that will make use of this feature will be added in the future. Signed-off-by: Stefan Popa <stefan.popa@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Stefan Popa authored
The driver does not have a struct of_device_id table, but supported devices are registered via Device Trees. This patch adds OF device ID table. Signed-off-by: Stefan Popa <stefan.popa@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Stefan Popa authored
The FNCTIO_CTRL register provides configuration control for each I/O pin (DIO1, DIO2, DIO3 and DIO4). This patch adds the option to configure each DIOx pin as data ready indicator with positive or negative polarity by reading the 'interrupts' and 'interrupt-names' properties from the devicetree. The 'interrupt-names' property is optional, if it is not specified, then the DIO1 pin is used as default data ready signal. Although the factory default assigns DIO2 as data ready signal, in the versions previous this patch, DIO1 pin was used. We should leave this configuration as is, since some devices might be expecting the interrupt on the wrong physical pin. Signed-off-by: Stefan Popa <stefan.popa@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Justin Chen authored
Indio->mlock is used for protecting the different iio device modes. It is currently not being used in this way. Replace the lock with an internal lock specifically used for protecting the SPI transfer buffer. Signed-off-by: Justin Chen <justinpopo6@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Mathieu Othacehe authored
If there are more trigger consumers than CONFIG_IIO_CONSUMERS_PER_TRIGGER, iio_trigger_attach_poll_func will silently fail. Add an error message to inform the user that CONFIG_IIO_CONSUMERS_PER_TRIGGER limit might be exceeded. Signed-off-by: Mathieu Othacehe <m.othacehe@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Gustavo A. R. Silva authored
In preparation to enabling -Wimplicit-fallthrough, mark switch cases where we are expecting to fall through. This patch fixes the following warning: drivers/iio/accel/mma8452.c: In function ‘mma8452_probe’: drivers/iio/accel/mma8452.c:1581:6: warning: this statement may fall through [-Wimplicit-fallthrough=] if (ret == data->chip_info->chip_id) ^ drivers/iio/accel/mma8452.c:1584:2: note: here default: ^~~~~~~ Warning level 3 was used: -Wimplicit-fallthrough=3 Notice that, in this particular case, the code comment is modified in accordance with what GCC is expecting to find. This patch is part of the ongoing efforts to enable -Wimplicit-fallthrough. Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Tomasz Duszynski authored
Add other sensors to the compatible list. Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Tomasz Duszynski authored
Add other sensors to the compatible list. Signed-off-by: Tomasz Duszynski <tduszyns@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Wei Yongjun authored
There is a error message within devm_ioremap_resource already, so remove the dev_err call to avoid redundant error message. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Chengguang Xu authored
unlikely has already included in IS_ERR(), so just remove redundant unlikely annotation. Signed-off-by: Chengguang Xu <cgxu519@gmx.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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- 01 Apr, 2019 1 commit
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Greg Kroah-Hartman authored
We want those fixes and this resolves an erofs merge conflict. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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- 31 Mar, 2019 9 commits
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Linus Torvalds authored
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull KVM fixes from Paolo Bonzini: "A collection of x86 and ARM bugfixes, and some improvements to documentation. On top of this, a cleanup of kvm_para.h headers, which were exported by some architectures even though they not support KVM at all. This is responsible for all the Kbuild changes in the diffstat" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (28 commits) Documentation: kvm: clarify KVM_SET_USER_MEMORY_REGION KVM: doc: Document the life cycle of a VM and its resources KVM: selftests: complete IO before migrating guest state KVM: selftests: disable stack protector for all KVM tests KVM: selftests: explicitly disable PIE for tests KVM: selftests: assert on exit reason in CR4/cpuid sync test KVM: x86: update %rip after emulating IO x86/kvm/hyper-v: avoid spurious pending stimer on vCPU init kvm/x86: Move MSR_IA32_ARCH_CAPABILITIES to array emulated_msrs KVM: x86: Emulate MSR_IA32_ARCH_CAPABILITIES on AMD hosts kvm: don't redefine flags as something else kvm: mmu: Used range based flushing in slot_handle_level_range KVM: export <linux/kvm_para.h> and <asm/kvm_para.h> iif KVM is supported KVM: x86: remove check on nr_mmu_pages in kvm_arch_commit_memory_region() kvm: nVMX: Add a vmentry check for HOST_SYSENTER_ESP and HOST_SYSENTER_EIP fields KVM: SVM: Workaround errata#1096 (insn_len maybe zero on SMAP violation) KVM: Reject device ioctls from processes other than the VM's creator KVM: doc: Fix incorrect word ordering regarding supported use of APIs KVM: x86: fix handling of role.cr4_pae and rename it to 'gpte_size' KVM: nVMX: Do not inherit quadrant and invalid for the root shadow EPT ...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Thomas Gleixner: "A pile of x86 updates: - Prevent exceeding he valid physical address space in the /dev/mem limit checks. - Move all header content inside the header guard to prevent compile failures. - Fix the bogus __percpu annotation in this_cpu_has() which makes sparse very noisy. - Disable switch jump tables completely when retpolines are enabled. - Prevent leaking the trampoline address" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/realmode: Make set_real_mode_mem() static inline x86/cpufeature: Fix __percpu annotation in this_cpu_has() x86/mm: Don't exceed the valid physical address space x86/retpolines: Disable switch jump tables when retpolines are enabled x86/realmode: Don't leak the trampoline kernel address x86/boot: Fix incorrect ifdeffery scope x86/resctrl: Remove unused variable
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf tooling fixes from Thomas Gleixner: "Core libraries: - Fix max perf_event_attr.precise_ip detection. - Fix parser error for uncore event alias - Fixup ordering of kernel maps after obtaining the main kernel map address. Intel PT: - Fix TSC slip where A TSC packet can slip past MTC packets so that the timestamp appears to go backwards. - Fixes for exported-sql-viewer GUI conversion to python3. ARM coresight: - Fix the build by adding a missing case value for enumeration value introduced in newer library, that now is the required one. tool headers: - Syncronize kernel headers with the kernel, getting new io_uring and pidfd_send_signal syscalls so that 'perf trace' can handle them" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf pmu: Fix parser error for uncore event alias perf scripts python: exported-sql-viewer.py: Fix python3 support perf scripts python: exported-sql-viewer.py: Fix never-ending loop perf machine: Update kernel map address and re-order properly tools headers uapi: Sync powerpc's asm/kvm.h copy with the kernel sources tools headers: Update x86's syscall_64.tbl and uapi/asm-generic/unistd tools headers uapi: Update drm/i915_drm.h tools arch x86: Sync asm/cpufeatures.h with the kernel sources tools headers uapi: Sync linux/fcntl.h to get the F_SEAL_FUTURE_WRITE addition tools headers uapi: Sync asm-generic/mman-common.h and linux/mman.h perf evsel: Fix max perf_event_attr.precise_ip detection perf intel-pt: Fix TSC slip perf cs-etm: Add missing case value
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull CPU hotplug fixes from Thomas Gleixner: "Two SMT/hotplug related fixes: - Prevent crash when HOTPLUG_CPU is disabled and the CPU bringup aborts. This is triggered with the 'nosmt' command line option, but can happen by any abort condition. As the real unplug code is not compiled in, prevent the fail by keeping the CPU in zombie state. - Enforce HOTPLUG_CPU for SMP on x86 to avoid the above situation completely. With 'nosmt' being a popular option it's required to unplug the half brought up sibling CPUs (due to the MCE wreckage) completely" * 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/smp: Enforce CONFIG_HOTPLUG_CPU when SMP=y cpu/hotplug: Prevent crash when CPU bringup fails on CONFIG_HOTPLUG_CPU=n
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixlet from Thomas Gleixner: "Trivial update to the maintainers file" * 'locking-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS: Remove deleted file from futex file pattern
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull core fixes from Thomas Gleixner: "A small set of core updates: - Make the watchdog respect the selected CPU mask again. That was broken by the rework of the watchdog thread management and caused inconsistent state and NMI watchdog being unstoppable. - Ensure that the objtool build can find the libelf location. - Remove dead kcore stub code" * 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: watchdog: Respect watchdog cpumask on CPU hotplug objtool: Query pkg-config for libelf location proc/kcore: Remove unused kclist_add_remap()
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: "Three non-regression fixes. - Our optimised memcmp could read past the end of one of the buffers and potentially trigger a page fault leading to an oops. - Some of our code to read energy management data on PowerVM had an endian bug leading to bogus results. - When reporting a machine check exception we incorrectly reported TLB multihits as D-Cache multhits due to a missing entry in the array of causes. Thanks to: Chandan Rajendra, Gautham R. Shenoy, Mahesh Salgaonkar, Segher Boessenkool, Vaidyanathan Srinivasan" * tag 'powerpc-5.1-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pseries/mce: Fix misleading print for TLB mutlihit powerpc/pseries/energy: Use OF accessor functions to read ibm,drc-indexes powerpc/64: Fix memcmp reading past the end of src/dest
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git://git.infradead.org/users/vkoul/slave-dmaLinus Torvalds authored
Pull dmaengine fixes from Vinod Koul: - Revert "dmaengine: stm32-mdma: Add a check on read_u32_array" as that caused regression - Fix MAINTAINER file uniphier-mdmac.c file path * tag 'dmaengine-fix-5.1-rc3' of git://git.infradead.org/users/vkoul/slave-dma: MAINTAINERS: Fix uniphier-mdmac.c file path dmaengine: stm32-mdma: Revert "dmaengine: stm32-mdma: Add a check on read_u32_array"
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- 30 Mar, 2019 5 commits
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Linus Torvalds authored
Merge tag 'led-fixes-for-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds Pull LED fixes from Jacek Anaszewski: - fix refcnt leak on interface rename - use memcpy in device_name_store() to avoid including garbage from a previous, longer value in the device_name - fix a potential NULL pointer dereference in case of_match_device() cannot find a match * tag 'led-fixes-for-5.1-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds: leds: trigger: netdev: use memcpy in device_name_store leds: pca9532: fix a potential NULL pointer dereference leds: trigger: netdev: fix refcnt leak on interface rename
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Nishka Dasgupta authored
Remove parentheses on right hand side of expression. Issue found with Coccinelle. Signed-off-by: Nishka Dasgupta <nishka.dasgupta@yahoo.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Payal Kshirsagar authored
Challenge suggested by coccinelle. Return value directly without saving it in a variable and remove that variable. Signed-off-by: Payal Kshirsagar <payal.s.kshirsagar.98@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Payal Kshirsagar authored
Challenge suggested by coccinelle. Return value directly without saving it in a variable and remove that variable. Signed-off-by: Payal Kshirsagar <payal.s.kshirsagar.98@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpioLinus Torvalds authored
Pull GPIO fixes from Linus Walleij: "As you can see [in the git history] I was away on leave and Bartosz kindly stepped in and collected a slew of fixes, I pulled them into my tree in two sets and merged some two more fixes (fixing my own caused bugs) on top. Summary: - Revert the extended use of gpio_set_config() and think about how we can do this properly. - Fix up the SPI CS GPIO handling so it now works properly on the SPI bus children, as intended. - Error paths and driver fixes" * tag 'gpio-v5.1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: gpio: mockup: use simple_read_from_buffer() in debugfs read callback gpio: of: Fix of_gpiochip_add() error path gpio: of: Check for "spi-cs-high" in child instead of parent node gpio: of: Check propname before applying "cs-gpios" quirks gpio: mockup: fix debugfs read Revert "gpio: use new gpio_set_config() helper in more places" gpio: aspeed: fix a potential NULL pointer dereference gpio: amd-fch: Fix bogus SPDX identifier gpio: adnp: Fix testing wrong value in adnp_gpio_direction_input gpio: exar: add a check for the return value of ida_simple_get fails
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