- Constify 'properties' attribute in core header file
- New Drivers
- Add support for Gateworks System Controller
- Add support for MediaTek MT6358 PMIC
- Add support for Mediatek MT6360 PMIC
- Add support for Monolithic Power Systems MP2629 ADC and Battery charger
- Rework Intel's SCU IPC collection
- Eliminate near duplicate IPC functionality
- Split out MFD related activities into a dedicated MFD driver
- Fix-ups
- Use new I2C API; htc-i2cpld
- Remove superfluous code; sprd-sc27xx-spi
- Improve error handling; stm32-timers
- Device Tree additions/fixes; mt6397
- Defer probe betterment; wm8994-core
- Improve module handling; wm8994-core
- Staticify; stpmic1
- Trivial (spelling, formatting); tqmx86
- Bug Fixes
- Fix incorrect register/PCI IDs; intel-lpss-pci
- Fix unbalanced Regulator API calls; wm8994-core
- Fix double free(); wcd934x
- Remove IRQ domain on failure; stmfx
- Reset chip on resume; stmfx
- Disable/enable IRQs on suspend/resume; stmfx
- Do not use bulk writes on H/W which does not support them; max77620
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Merge tag 'mfd-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Constify 'properties' attribute in core header file
New Drivers:
- Add support for Gateworks System Controller
- Add support for MediaTek MT6358 PMIC
- Add support for Mediatek MT6360 PMIC
- Add support for Monolithic Power Systems MP2629 ADC and Battery charger
Fix-ups:
- Use new I2C API in htc-i2cpld
- Remove superfluous code in sprd-sc27xx-spi
- Improve error handling in stm32-timers
- Device Tree additions/fixes in mt6397
- Defer probe betterment in wm8994-core
- Improve module handling in wm8994-core
- Staticify in stpmic1
- Trivial (spelling, formatting) in tqmx86
Bug Fixes:
- Fix incorrect register/PCI IDs in intel-lpss-pci
- Fix unbalanced Regulator API calls in wm8994-core
- Fix double free() in wcd934x
- Remove IRQ domain on failure in stmfx
- Reset chip on resume in stmfx
- Disable/enable IRQs on suspend/resume in stmfx
- Do not use bulk writes on H/W which does not support them in max77620"
* tag 'mfd-next-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (29 commits)
mfd: mt6360: Remove duplicate REGMAP_IRQ_REG_LINE() entry
mfd: Add support for PMIC MT6360
mfd: max77620: Use single-byte writes on MAX77620
mfd: wcd934x: Drop kfree for memory allocated with devm_kzalloc
mfd: stmfx: Disable IRQ in suspend to avoid spurious interrupt
mfd: stmfx: Fix stmfx_irq_init error path
mfd: stmfx: Reset chip on resume as supply was disabled
mfd: wm8994: Silence warning about supplies during deferred probe
mfd: wm8994: Fix unbalanced calls to regulator_bulk_disable()
mfd: wm8994: Fix driver operation if loaded as modules
dt-bindings: mfd: mediatek: Add MT6397 Pin Controller
mfd: Constify properties in mfd_cell
mfd: stm32-timers: Use dma_request_chan() instead dma_request_slave_channel()
mfd: sprd: Remove unnecessary spi_bus_type setting
mfd: intel-lpss: Update LPSS UART #2 PCI ID for Jasper Lake
mfd: tqmx86: Fix a typo in MODULE_DESCRIPTION
mfd: stpmic1: Make stpmic1_regmap_config static
mfd: htc-i2cpld: Convert to use i2c_new_client_device()
MAINTAINERS: Add entry for mp2629 Battery Charger driver
power: supply: mp2629: Add impedance compensation config
...
- Cleanup of the irq_domain API
- Overhaul of the interrupt chip simulator
- The usual pile of new interrupt chip drivers
- Cleanups, improvements and fixes all over the place
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Merge tag 'irq-core-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq updates from Thomas Gleixner:
"The generic interrupt departement provides:
- Cleanup of the irq_domain API
- Overhaul of the interrupt chip simulator
- The usual pile of new interrupt chip drivers
- Cleanups, improvements and fixes all over the place"
* tag 'irq-core-2020-06-02' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (23 commits)
irqchip: Fix "Loongson HyperTransport Vector support" driver build on all non-MIPS platforms
dt-bindings: interrupt-controller: Add Loongson PCH MSI
irqchip: Add Loongson PCH MSI controller
dt-bindings: interrupt-controller: Add Loongson PCH PIC
irqchip: Add Loongson PCH PIC controller
dt-bindings: interrupt-controller: Add Loongson HTVEC
irqchip: Add Loongson HyperTransport Vector support
genirq: Check irq_data_get_irq_chip() return value before use
irqchip/sifive-plic: Improve boot prints for multiple PLIC instances
irqchip/sifive-plic: Setup cpuhp once after boot CPU handler is present
irqchip/sifive-plic: Set default irq affinity in plic_irqdomain_map()
irqchip/gic-v2, v3: Drop extra IRQ_NOAUTOEN setting for (E)PPIs
irqdomain: Allow software nodes for IRQ domain creation
irqdomain: Get rid of special treatment for ACPI in __irq_domain_add()
irqdomain: Make __irq_domain_add() less OF-dependent
iio: dummy_evgen: Fix use after free on error in iio_dummy_evgen_create()
irqchip/gic-v3-its: Balance initial LPI affinity across CPUs
irqchip/gic-v3-its: Track LPI distribution on a per CPU basis
genirq/irq_sim: Simplify the API
irqdomain: Make irq_domain_reset_irq_data() available to non-hierarchical users
...
set from Mauro toward the completion of the RST conversion. I *really*
hope we are getting close to the end of this. Meanwhile, those patches
reach pretty far afield to update document references around the tree;
there should be no actual code changes there. There will be, alas, more of
the usual trivial merge conflicts.
Beyond that we have more translations, improvements to the sphinx
scripting, a number of additions to the sysctl documentation, and lots of
fixes.
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Merge tag 'docs-5.8' of git://git.lwn.net/linux
Pull documentation updates from Jonathan Corbet:
"A fair amount of stuff this time around, dominated by yet another
massive set from Mauro toward the completion of the RST conversion. I
*really* hope we are getting close to the end of this. Meanwhile,
those patches reach pretty far afield to update document references
around the tree; there should be no actual code changes there. There
will be, alas, more of the usual trivial merge conflicts.
Beyond that we have more translations, improvements to the sphinx
scripting, a number of additions to the sysctl documentation, and lots
of fixes"
* tag 'docs-5.8' of git://git.lwn.net/linux: (130 commits)
Documentation: fixes to the maintainer-entry-profile template
zswap: docs/vm: Fix typo accept_threshold_percent in zswap.rst
tracing: Fix events.rst section numbering
docs: acpi: fix old http link and improve document format
docs: filesystems: add info about efivars content
Documentation: LSM: Correct the basic LSM description
mailmap: change email for Ricardo Ribalda
docs: sysctl/kernel: document unaligned controls
Documentation: admin-guide: update bug-hunting.rst
docs: sysctl/kernel: document ngroups_max
nvdimm: fixes to maintainter-entry-profile
Documentation/features: Correct RISC-V kprobes support entry
Documentation/features: Refresh the arch support status files
Revert "docs: sysctl/kernel: document ngroups_max"
docs: move locking-specific documents to locking/
docs: move digsig docs to the security book
docs: move the kref doc into the core-api book
docs: add IRQ documentation at the core-api book
docs: debugging-via-ohci1394.txt: add it to the core-api book
docs: fix references for ipmi.rst file
...
- A few new drivers for the Loongson MIPS platform (HTVEC, PIC, MSI)
- A cleanup of the __irq_domain_add() API
- A cleanup of the IRQ simulator to actually use some of
the irq infrastructure
- Some fixes for the Sifive PLIC when used in a multi-controller
context
- Fixes for the GICv3 ITS to spread interrupts according to the
load of each CPU, and to honor managed interrupts
- Numerous cleanups and documentation fixes
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Merge tag 'irqchip-5.8' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier:
- A few new drivers for the Loongson MIPS platform (HTVEC, PIC, MSI)
- A cleanup of the __irq_domain_add() API
- A cleanup of the IRQ simulator to actually use some of
the irq infrastructure
- Some fixes for the Sifive PLIC when used in a multi-controller
context
- Fixes for the GICv3 ITS to spread interrupts according to the
load of each CPU, and to honor managed interrupts
- Numerous cleanups and documentation fixes
Add support for 8-bit resolution ADC readings for input power
supply and battery charging measurement. Provides voltage, current
readings to mp2629 power supply driver.
Signed-off-by: Saravanan Sekar <sravanhome@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
We need to preserve the "iio_evgen->irq_sim_domain" error code before
we free "iio_evgen" otherwise it leads to a use after free.
Fixes: 337cbeb2c1 ("genirq/irq_sim: Simplify the API")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
The interrupt simulator API exposes a lot of custom data structures and
functions and doesn't reuse the interfaces already exposed by the irq
subsystem. This patch tries to address it.
We hide all the simulator-related data structures from users and instead
rely on the well-known irq domain. When creating the interrupt simulator
the user receives a pointer to a newly created irq_domain and can use it
to create mappings for simulated interrupts.
It is also possible to pass a handle to fwnode when creating the simulator
domain and retrieve it using irq_find_matching_fwnode().
The irq_sim_fire() function is dropped as well. Instead we implement the
irq_get/set_irqchip_state interface.
We modify the two modules that use the simulator at the same time as
adding these changes in order to reduce the intermediate bloat that would
result when trying to migrate the drivers in separate patches.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> #for IIO
Link: https://lore.kernel.org/r/20200514083901.23445-3-brgl@bgdev.pl
This looks really unusual to have a 'get_device()' hidden in a 'dev_err()'
call.
Remove it.
While at it add a missing \n at the end of the message.
Fixes: 574fb258d6 ("Staging: IIO: VTI sca3000 series accelerometer driver (spi)")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
DMA channel request should use device struct from platform device struct.
Currently it's using iio device struct. But at this stage when probing,
device struct isn't yet registered (e.g. device_register is done in
iio_device_register). Since commit 71723a96b8 ("dmaengine: Create
symlinks between DMA channels and slaves"), a warning message is printed
as the links in sysfs can't be created, due to device isn't yet registered:
- Cannot create DMA slave symlink
- Cannot create DMA dma:rx symlink
Fix this by using device struct from platform device to request dma chan.
Fixes: eca949800d ("IIO: ADC: add stm32 DFSDM support for PDM microphone")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
DMA channel request should use device struct from platform device struct.
Currently it's using iio device struct. But at this stage when probing,
device struct isn't yet registered (e.g. device_register is done in
iio_device_register). Since commit 71723a96b8 ("dmaengine: Create
symlinks between DMA channels and slaves"), a warning message is printed
as the links in sysfs can't be created, due to device isn't yet registered:
- Cannot create DMA slave symlink
- Cannot create DMA dma:rx symlink
Fix this by using device struct from platform device to request dma chan.
Fixes: 2763ea0585 ("iio: adc: stm32: add optional dma support")
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
During initial submission the selection of the channel was done using
the scan_index member of the iio_chan_spec structure. It was an abuse
because this member is supposed to be used with a buffer so it was
removed.
However there was still the need to be able to known how to select a
channel, the correct member to store this information is address.
Thanks to this it is possible to select any other channel than the
channel 0.
Fixes: 8dd2d7c0fe ("iio: adc: Add driver for the TI ADS8344 A/DC chips")
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
A call to 'vf610_dac_exit()' is missing in an error handling path.
Fixes: 1b983bf42f ("iio: dac: vf610_dac: Add IIO DAC driver for Vybrid SoC")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
We need to release a lock if st_lsm6dsx_check_odr() fails, we can't
return directly.
Fixes: 76551a3c3d ("iio: imu: st_lsm6dsx: specify slave odr in slv_odr")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
IIO_CONCENTRATION channel for the DO-SM shouldn't be indexed as
there isn't more than one, and also ATLAS_CONCENTRATION_CHANNEL
macro scan_index define steps on the IIO_TIMESTAMP channel.
Signed-off-by: Matt Ranostay <matt.ranostay@konsulko.com>
Fixes: a751b8e480 (iio: chemical: atlas-sensor: add DO-SM module support)
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Includes one MAINTAINERS update to avoid people getting a lot of bounce
messages and complaining about it.
* MAINTAINERS
- Drop Stefan Popa's Analog Devices email address in favour of
Michael Hennerich.
* core
- Fix handling of dB sysfs inputs.
- Drop a stray semi colon in macro definition.
* ad5770r
- Fix an off by one in chec on maximum number of channels.
* ad7192
- Fix a null pointer de-reference due to the name previously being
retrieved from the spi_get_device_id call which no longer works as
the relevant table was removed.
* ad7797
- Use correct attribute group.
* counter/104-quad-8
- Add locks to prevent some race conditions.
* inv-mpu6050
- Fix issues around suspend / resume clashing with runtime PM.
* stm32-adc
- Fix sleep in invalid context
- Fix id relative path error in device tree binding doc.
* st_lsm6dsx
- Fix a read alignment issue on an untagged FIFO.
- Handle odr for slave to properly compute the FIFO data layout / pattern.
- Flush the HW FIFO before resettting the device to avoid a race on
interrupt line 1.
* st_sensors
- Rely on ODR mask not ODR address to identify if the ODR can be set.
Some devices have an ODR address of 0.
* ti-ads8344
- Byte ordering was wrong - fix it.
* xilinx-xadc
- Fix inverted logic in powering down the second ADC.
- Fix clearing interrupt when enabling the trigger.
- Fix configuration of sequencer when in simultaneous sampling mode.
- Limit initial sampling rate as done for runtime configured ones.
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Merge tag 'iio-fixes-for-5.7a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes for the 5.7 cycle.
Includes one MAINTAINERS update to avoid people getting a lot of bounce
messages and complaining about it.
* MAINTAINERS
- Drop Stefan Popa's Analog Devices email address in favour of
Michael Hennerich.
* core
- Fix handling of dB sysfs inputs.
- Drop a stray semi colon in macro definition.
* ad5770r
- Fix an off by one in chec on maximum number of channels.
* ad7192
- Fix a null pointer de-reference due to the name previously being
retrieved from the spi_get_device_id call which no longer works as
the relevant table was removed.
* ad7797
- Use correct attribute group.
* counter/104-quad-8
- Add locks to prevent some race conditions.
* inv-mpu6050
- Fix issues around suspend / resume clashing with runtime PM.
* stm32-adc
- Fix sleep in invalid context
- Fix id relative path error in device tree binding doc.
* st_lsm6dsx
- Fix a read alignment issue on an untagged FIFO.
- Handle odr for slave to properly compute the FIFO data layout / pattern.
- Flush the HW FIFO before resettting the device to avoid a race on
interrupt line 1.
* st_sensors
- Rely on ODR mask not ODR address to identify if the ODR can be set.
Some devices have an ODR address of 0.
* ti-ads8344
- Byte ordering was wrong - fix it.
* xilinx-xadc
- Fix inverted logic in powering down the second ADC.
- Fix clearing interrupt when enabling the trigger.
- Fix configuration of sequencer when in simultaneous sampling mode.
- Limit initial sampling rate as done for runtime configured ones.
* tag 'iio-fixes-for-5.7a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
MAINTAINERS: remove Stefan Popa's email
iio: adc: ad7192: fix null pointer de-reference crash during probe
iio: core: remove extra semi-colon from devm_iio_device_register() macro
iio: adc: ti-ads8344: properly byte swap value
iio: imu: inv_mpu6050: fix suspend/resume with runtime power
iio: st_sensors: rely on odr mask to know if odr can be set
iio: xilinx-xadc: Make sure not exceed maximum samplerate
iio: xilinx-xadc: Fix sequencer configuration for aux channels in simultaneous mode
iio: xilinx-xadc: Fix clearing interrupt when enabling trigger
iio: xilinx-xadc: Fix ADC-B powerdown
iio: dac: ad5770r: fix off-by-one check on maximum number of channels
iio: imu: st_lsm6dsx: flush hw FIFO before resetting the device
iio: core: Fix handling of 'dB'
dt-bindings: iio: adc: stm32-adc: fix id relative path
counter: 104-quad-8: Add lock guards - generic interface
iio: imu: st_lsm6dsx: specify slave odr in slv_odr
iio: imu: st_lsm6dsx: fix read misalignment on untagged FIFO
iio: adc: stm32-adc: fix sleep in atomic context
iio:ad7797: Use correct attribute_group
When the 'spi_device_id' table was removed, it omitted to cleanup/fix the
assignment:
'indio_dev->name = spi_get_device_id(spi)->name;'
After that patch 'spi_get_device_id(spi)' returns NULL, so this crashes
during probe with null de-ref.
This change fixes this by introducing an ad7192_chip_info struct, and
defines all part-names [that should be assigned to indio_dev->name] in a
'ad7192_chip_info_tbl' table.
With this change, the old 'st->devid' is also moved to be a
'chip_info->chip_id'. And the old 'ID_AD719X' macros have been renamed to
'CHIPID_AD719X'. Tld identifiers have been re-purposed to be enum/index
values in the new 'ad7192_chip_info_tbl'.
This should fix the bug, and maintain the ABI for the 'indio_dev->name'
field.
Fixes: 66614ab2be ("staging: iio: adc: ad7192: removed spi_device_id")
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The first received byte is the MSB, followed by the LSB so the value needs
to be byte swapped.
Also, the ADC actually has a delay of one clock on the SPI bus. Read three
bytes to get the last bit.
Fixes: 8dd2d7c0fe ("iio: adc: Add driver for the TI ADS8344 A/DC chips")
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Suspend/resume were not working correctly with pm runtime.
Now suspend check if the chip is already suspended, and
resume put runtime pm in the correct state.
Issues seen prior to this were:
When entering suspend, there was an error in logs because we
were disabling vddio regulator although it was already disabled.
And when resuming, the chip was pull back to full power but the
pm_runtime state was not updated. So it was believing it was
still suspended.
Fixes: 4599cac846 ("iio: imu: inv_mpu6050: use runtime pm with autosuspend")
Signed-off-by: Jean-Baptiste Maneyrol <jmaneyrol@invensense.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Indeed, relying on addr being not 0 cannot work because some device have
their register to set odr at address 0. As a matter of fact, if the odr
can be set, then there is a mask.
Sensors with ODR register at address 0 are: lsm303dlh, lsm303dlhc, lsm303dlm
Fixes: 7d24517267 ("iio: common: st_sensors: check odr address value in st_sensors_set_odr()")
Signed-off-by: Lary Gibaud <yarl-baudig@mailoo.org>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The XADC supports a samplerate of up to 1MSPS. Unfortunately the hardware
does not have a FIFO, which means it generates an interrupt for each
conversion sequence. At one 1MSPS this creates an interrupt storm that
causes the system to soft-lock.
For this reason the driver limits the maximum samplerate to 150kSPS.
Currently this check is only done when setting a new samplerate. But it is
also possible that the initial samplerate configured in the FPGA bitstream
exceeds the limit.
In this case when starting to capture data without first changing the
samplerate the system can overload.
To prevent this check the currently configured samplerate in the probe
function and reduce it to the maximum if necessary.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Fixes: bdc8cda1d0 ("iio:adc: Add Xilinx XADC driver")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The XADC has two internal ADCs. Depending on the mode it is operating in
either one or both of them are used. The device manual calls this
continuous (one ADC) and simultaneous (both ADCs) mode.
The meaning of the sequencing register for the aux channels changes
depending on the mode.
In continuous mode each bit corresponds to one of the 16 aux channels. And
the single ADC will convert them one by one in order.
In simultaneous mode the aux channels are split into two groups the first 8
channels are assigned to the first ADC and the other 8 channels to the
second ADC. The upper 8 bits of the sequencing register are unused and the
lower 8 bits control both ADCs. This means a bit needs to be set if either
the corresponding channel from the first group or the second group (or
both) are set.
Currently the driver does not have the special handling required for
simultaneous mode. Add it.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Fixes: bdc8cda1d0 ("iio:adc: Add Xilinx XADC driver")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
When enabling the trigger and unmasking the end-of-sequence (EOS) interrupt
the EOS interrupt should be cleared from the status register. Otherwise it
is possible that it was still set from a previous capture. If that is the
case the interrupt would fire immediately even though no conversion has
been done yet and stale data is being read from the device.
The old code only clears the interrupt if the interrupt was previously
unmasked. Which does not make much sense since the interrupt is always
masked at this point and in addition masking the interrupt does not clear
the interrupt from the status register. So the clearing needs to be done
unconditionally.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Fixes: bdc8cda1d0 ("iio:adc: Add Xilinx XADC driver")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The check for shutting down the second ADC is inverted. This causes it to
be powered down when it should be enabled. As a result channels that are
supposed to be handled by the second ADC return invalid conversion results.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Fixes: bdc8cda1d0 ("iio:adc: Add Xilinx XADC driver")
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Currently there is an off-by-one check on the number of channels that
will cause an arry overrun in array st->output_mode when calling the
function d5770r_store_output_range. Fix this by using >= rather than >
to check for maximum number of channels.
Addresses-Coverity: ("Out-of-bounds access")
Fixes: cbbb819837 ("iio: dac: ad5770r: Add AD5770R support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
flush hw FIFO before device reset in order to avoid possible races
on interrupt line 1. If the first interrupt line is asserted during
hw reset the device will work in I3C-only mode (if it is supported)
Fixes: 801a6e0af0 ("iio: imu: st_lsm6dsx: add support to LSM6DSO")
Fixes: 43901008fd ("iio: imu: st_lsm6dsx: add support to LSM6DSR")
Reported-by: Mario Tesi <mario.tesi@st.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Vitor Soares <vitor.soares@synopsys.com>
Tested-by: Vitor Soares <vitor.soares@synopsys.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This patch fixes the call to iio_str_to_fixpoint when using 'dB' sufix.
Before this the scale_db was not used when parsing the string written to
the attribute and it failed with invalid value.
Fixes: b852822474 ("iio: core: Handle 'dB' suffix in core")
Signed-off-by: Mircea Caprioru <mircea.caprioru@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* cros-usbpd-notify and cros_ec_typec
- Add a new notification driver that handles and dispatches USB PD
related events to other drivers.
- Add a Type C connector class driver for cros_ec
* CrOS EC
- Introduce a new cros_ec_cmd_xfer_status helper
* Sensors/iio:
- A series from Gwendal that adds Cros EC sensor hub FIFO support
* Wilco EC
- Fix a build warning.
- Platform data shouldn't include kernel.h
* Misc
- i2c api conversion complete, with i2c_new_client_device instead of
i2c_new_device in chromeos_laptop.
- Replace zero-length array with flexible-array member in cros_ec_chardev
and wilco_ec
- Update new structure for SPI transfer delays in cros_ec_spi
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Merge tag 'tag-chrome-platform-for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux
Pull chrome platform updates from Benson Leung:
cros-usbpd-notify and cros_ec_typec:
- Add a new notification driver that handles and dispatches USB PD
related events to other drivers.
- Add a Type C connector class driver for cros_ec
CrOS EC:
- Introduce a new cros_ec_cmd_xfer_status helper
Sensors/iio:
- A series from Gwendal that adds Cros EC sensor hub FIFO support
Wilco EC:
- Fix a build warning.
- Platform data shouldn't include kernel.h
Misc:
- i2c api conversion complete, with i2c_new_client_device instead of
i2c_new_device in chromeos_laptop.
- Replace zero-length array with flexible-array member in
cros_ec_chardev and wilco_ec
- Update new structure for SPI transfer delays in cros_ec_spi
* tag 'tag-chrome-platform-for-v5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/chrome-platform/linux: (34 commits)
platform/chrome: cros_ec_spi: Wait for USECS, not NSECS
iio: cros_ec: Use Hertz as unit for sampling frequency
iio: cros_ec: Report hwfifo_watermark_max
iio: cros_ec: Expose hwfifo_timeout
iio: cros_ec: Remove pm function
iio: cros_ec: Register to cros_ec_sensorhub when EC supports FIFO
iio: expose iio_device_set_clock
iio: cros_ec: Move function description to .c file
platform/chrome: cros_ec_sensorhub: Add median filter
platform/chrome: cros_ec_sensorhub: Add code to spread timestmap
platform/chrome: cros_ec_sensorhub: Add FIFO support
platform/chrome: cros_ec_sensorhub: Add the number of sensors in sensorhub
platform/chrome: chromeos_laptop: make I2C API conversion complete
platform/chrome: wilco_ec: event: Replace zero-length array with flexible-array member
platform/chrome: cros_ec_chardev: Replace zero-length array with flexible-array member
platform/chrome: cros_ec_typec: Update port info from EC
platform/chrome: Add Type C connector class driver
platform/chrome: cros_usbpd_notify: Pull PD_HOST_EVENT status
platform/chrome: cros_usbpd_notify: Amend ACPI driver to plat
platform/chrome: cros_usbpd_notify: Add driver data struct
...
- Add support for IQS620A/621/622/624/625 Azoteq IQS62X Sensors
- New Device Support
- Add support for ADC, IRQ, Regulator, RTC and WDT to Ricoh RN5T618 PMIC
- Add support for Comet Lake to Intel LPSS
- New Functionality
- Add support for Charger Detection to Spreadtrum SC27xx PMICs
- Add support for Interrupt Polarity to Dialog Semi DA9062/61 PMIC
- Add ACPI enumeration support to Diolan DLN2 USB Adaptor
- Fix-ups
- Device Tree; iqs62x, rn5t618, cros_ec_dev, stm32-lptimer, rohm,bd71837, rohm,bd71847
- I2C registration; rn5t618
- Kconfig; MFD_CPCAP, AB8500_CORE, MFD_WM8994, MFD_WM97xx, MFD_STPMIC1
- Use flexible-array members; omap-usb-tll, qcom-pm8xxx
- Remove unnecessary casts; omap-usb-host, omap-usb-tll
- Power (suspend/resume/poweroff) enhancements; rk808
- Improve error/sanity checking; dln2
- Use snprintf(); aat2870-core
- Bug Fixes
- Fix PCI IDs; intel-lpss-pci
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Merge tag 'mfd-next-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull mfd updates from Lee Jones:
"New Drivers:
- Add support for IQS620A/621/622/624/625 Azoteq IQS62X Sensors
New Device Support:
- Add support for ADC, IRQ, Regulator, RTC and WDT to Ricoh RN5T618 PMIC
- Add support for Comet Lake to Intel LPSS
New Functionality:
- Add support for Charger Detection to Spreadtrum SC27xx PMICs
- Add support for Interrupt Polarity to Dialog Semi DA9062/61 PMIC
- Add ACPI enumeration support to Diolan DLN2 USB Adaptor
Fix-ups:
- Device Tree; iqs62x, rn5t618, cros_ec_dev, stm32-lptimer, rohm,bd71837, rohm,bd71847
- I2C registration; rn5t618
- Kconfig; MFD_CPCAP, AB8500_CORE, MFD_WM8994, MFD_WM97xx, MFD_STPMIC1
- Use flexible-array members; omap-usb-tll, qcom-pm8xxx
- Remove unnecessary casts; omap-usb-host, omap-usb-tll
- Power (suspend/resume/poweroff) enhancements; rk808
- Improve error/sanity checking; dln2
- Use snprintf(); aat2870-core
Bug Fixes:
- Fix PCI IDs in intel-lpss-pci"
* tag 'mfd-next-5.7' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (33 commits)
mfd: intel-lpss: Fix Intel Elkhart Lake LPSS I2C input clock
mfd: aat2870: Use scnprintf() for avoiding potential buffer overflow
mfd: dln2: Allow to be enumerated via ACPI
mfd: da9062: Add support for interrupt polarity defined in device tree
dt-bindings: bd718x7: Yamlify and add BD71850
mfd: dln2: Fix sanity checking for endpoints
mfd: intel-lpss: Add Intel Comet Lake PCH-V PCI IDs
mfd: sc27xx: Add USB charger type detection support
dt-bindings: mfd: Document STM32 low power timer bindings
mfd: rk808: Convert RK805 to shutdown/suspend hooks
mfd: rk808: Reduce shutdown duplication
mfd: rk808: Stop using syscore ops
mfd: rk808: Ensure suspend/resume hooks always work
mfd: rk808: Always use poweroff when requested
mfd: omap: Remove useless cast for driver.name
mfd: Kconfig: Fix some misspelling of the word functionality
mfd: pm8xxx: Replace zero-length array with flexible-array member
mfd: omap-usb-tll: Replace zero-length array with flexible-array member
mfd: cpcap: Fix compile if MFD_CORE is not selected
mfd: cros_ec: Check DT node for usbpd-notify add
...
To be compliant with other sensors, set and get sensor sampling
frequency in Hz, not mHz.
Fixes: ae7b02ad2f ("iio: common: cros_ec_sensors: Expose cros_ec_sensors frequency range via iio sysfs")
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Report the maximum amount of sample the EC can hold.
This is not tunable, but can be useful for application to find out the
maximum amount of time it can sleep when hwfifo_timeout is set to a
large number.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Expose EC minimal interrupt period through buffer/hwfifo_timeout:
- Maximal timeout is limited to 65s.
- When timeout for all sensors is set to 0, EC will not send events,
even if the sensor sampling rate is greater than 0.
Rename frequency to sampling_frequency to match IIO ABI.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Since cros_ec_sensorhub is shutting down the FIFO when the device
suspends, no need to slow down the EC sampling period rate.
It was necesseary to do that before command CMD_FIFO_INT_ENABLE was
introduced, but now all supported chromebooks have it.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
When EC supports FIFO, each IIO device registers a callback, to put
samples in the buffer when they arrives from the FIFO.
When no FIFO, the user space app needs to call trigger_new, or better
register a high precision timer.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Some IIO devices may want to override the default (realtime) to another
clock source by default.
It can beneficial when timestamps coming from the hardware or underlying
drivers are already in that format.
It can always be overridden by attribute current_timestamp_clock.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
To prevent comment rot, move function description to
cros_ec_sensors_core.c.
Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Introduce slv_odr in ext_info data structure in order to distinguish
between sensor hub trigger (accel sensor) odr and i2c slave odr and
properly compute samples in FIFO pattern
Fixes: e485e2a2cf ("iio: imu: st_lsm6dsx: enable sensor-hub support for lsm6dsm")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
st_lsm6dsx suffers of a read misalignment on untagged FIFO when
all 3 supported sensors (accel, gyro and ext device) are running
at different ODRs (the use-case is reported in the LSM6DSM Application
Note at pag 100).
Fix the issue taking into account decimation factor reading the FIFO
pattern.
Fixes: e485e2a2cf ("iio: imu: st_lsm6dsx: enable sensor-hub support for lsm6dsm")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit fixes the following error:
"BUG: sleeping function called from invalid context at kernel/irq/chip.c"
In DMA mode suppress the trigger irq handler, and make the buffer
transfers directly in DMA callback, instead.
Fixes: 2763ea0585 ("iio: adc: stm32: add optional dma support")
Signed-off-by: Olivier Moysan <olivier.moysan@st.com>
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
It should use ad7797_attribute_group in ad7797_info,
according to commit ("iio:ad7793: Add support for the ad7796 and ad7797").
Scale is fixed for the ad7796 and not programmable, hence
should not have the scale_available attribute.
Fixes: fd1a8b9128 ("iio:ad7793: Add support for the ad7796 and ad7797")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Both chips have an A/D converter capable of measuring
things like VBAT, VUSB and analog inputs.
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds support for the Azoteq IQS624 and IQS625 angular position
sensors, capable of reporting the angle of a rotating shaft down to 1 and
10 degrees of accuracy, respectively.
This patch also introduces a home for linear and angular position sensors.
Unlike resolvers, they are typically contactless and use the Hall effect.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds support for the Azoteq IQS621 and IQS622 ambient light
sensors, both of which can report a four-bit representation of ambient
light intensity.
The IQS621 can additionally report illuminace directly in units of lux,
while the IQS622 can report a four-bit representation of infrared light
intensity. Furthermore, the IQS622 can report a unitless measurement of
a target's proximity to the device.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This patch adds support for the Azoteq IQS620AT temperature sensor,
capable of reporting its absolute die temperature.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
* adxl372
- Fix marking of buffered values as big endian.
* ak8974
- Fix wrong handling of negative values when read from sysfs.
* at91-sama5d2
- Fix differential mode by ensuring configuration set correctly.
* ping
- Use the write sensor type for of_ping_match table.
* sps30
- Kconfig build dependency fix.
* st-sensors
- Fix a wrong identification of which part the SMO8840 ACPI ID indicates.
* stm32-dsfdm
- Fix a sleep in atomic issue by not using a trigger when it makes no sense.
* stm32-timer
- Make sure master mode is disabled when stopping.
* vcnl400
- Update some sampling periods based on new docs.
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Merge tag 'iio-fixes-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First set of IIO fixes in the 5.6 cycle.
* adxl372
- Fix marking of buffered values as big endian.
* ak8974
- Fix wrong handling of negative values when read from sysfs.
* at91-sama5d2
- Fix differential mode by ensuring configuration set correctly.
* ping
- Use the write sensor type for of_ping_match table.
* sps30
- Kconfig build dependency fix.
* st-sensors
- Fix a wrong identification of which part the SMO8840 ACPI ID indicates.
* stm32-dsfdm
- Fix a sleep in atomic issue by not using a trigger when it makes no sense.
* stm32-timer
- Make sure master mode is disabled when stopping.
* vcnl400
- Update some sampling periods based on new docs.
* tag 'iio-fixes-for-5.6a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio:
iio: ping: set pa_laser_ping_cfg in of_ping_match
iio: chemical: sps30: fix missing triggered buffer dependency
iio: st_sensors: remap SMO8840 to LIS2DH12
iio: light: vcnl4000: update sampling periods for vcnl4040
iio: light: vcnl4000: update sampling periods for vcnl4200
iio: accel: adxl372: Set iio_chan BE
iio: magnetometer: ak8974: Fix negative raw values in sysfs
iio: trigger: stm32-timer: disable master mode when stopping
iio: adc: stm32-dfsdm: fix sleep in atomic context
iio: adc: at91-sama5d2_adc: fix differential channels in triggered mode
While adding a new device, I noticed these aren't sorted alphabetically [as
in the Makefile], which messed my head-up.
This change sorts the devices alphabetically in the drivers/iio/dac/Kconfig
file as well.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
The iio_triggered_buffer_{predisable,postenable} functions attach/detach
the poll functions.
For the predisable hook, the disable code should occur before detaching
the poll func, and for the postenable hook, the poll func should be
attached before the enable code.
This change moves the postenable/predisable hooks into the correct
positions.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Linus Torvalds