mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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4d0434f129
868 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Matthias Kaehlcke
|
4d0434f129 |
iio: adc: qcom-spmi-adc5: Add ADC5_AMUX_THM[24]_100K_PU to rev2 channel list
Add ADC5_AMUX_THM2_100K_PU and ADC5_AMUX_THM4_100K_PU to the list of rev2 ADC channels. Signed-off-by: Matthias Kaehlcke <mka@chromium.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
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Stefan Agner
|
b1ec080250 |
iio: adc: max9611: explicitly cast gain_selectors
After finding a reasonable gain, the function converts the configured
gain to a gain configuration option selector enum max9611_csa_gain.
Make the conversion clearly visible by using an explicit cast. This
also avoids a warning seen with clang:
drivers/iio/adc/max9611.c:292:16: warning: implicit conversion from
enumeration type 'enum max9611_conf_ids' to different enumeration
type 'enum max9611_csa_gain' [-Wenum-conversion]
*csa_gain = gain_selectors[i];
~ ^~~~~~~~~~~~~~~~~
Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
|
||
|
Michael Hennerich
|
9920ed25ec |
drivers: iio: Update MODULE AUTHOR email address
no functional changes Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Siddartha Mohanadoss
|
e13d757279 |
iio: adc: Add QCOM SPMI PMIC5 ADC driver
This patch adds support for QCOM SPMI PMIC5 family of ADC driver that supports hardware based offset and gain compensation. The ADC peripheral can measure both voltage and current channels whose input signal is connected to the PMIC ADC AMUX. The register set and configuration has been refreshed compared to the prior QCOM PMIC ADC family. Register ADC5 as part of the IIO framework. Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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|
Manish Narani
|
2fa03b92b6 |
iio: adc: xilinx: Move request_irq before enabling interrupts
Enabling the Interrupts before registering the irq handler is a bad idea. This patch corrects the same for XADC driver. Signed-off-by: Manish Narani <manish.narani@xilinx.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Manish Narani
|
50e8e9f309 |
iio: adc: xilinx: Remove platform_get_irq from xadc_remove function
This patch avoids getting irq number in xadc_remove function. Instead store 'irq' in xadc struct and use xadc->irq wherever needed. This patch also resolves a warning reported by coverity where it asks to check return value of platform_get_irq() for any errors in xadc_remove. Signed-off-by: Manish Narani <manish.narani@xilinx.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Manish Narani
|
81f5471838 |
iio: adc: xilinx: limit pcap clock frequency value
This patch limits the xadc pcap clock frequency value to be less than 200MHz. This fixes the issue when zynq is booted at higher frequency values, pcap crosses the maximum limit of 200MHz(Fmax) as it is derived from IOPLL. If this limit is crossed it is required to alter the WEDGE and REDGE bits of XADC_CFG register to make timings better in the interface. So to avoid alteration of these bits every time, the pcap value should not cross the Fmax limit. Signed-off-by: Manish Narani <manish.narani@xilinx.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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Manish Narani
|
0a8460966f |
iio: adc: xilinx: Check for return values in clk related functions
This patch adds check for return values from clock related functions. This was reported by static code analysis tool. Signed-off-by: Manish Narani <manish.narani@xilinx.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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|
Nicholas Mc Guire
|
cebc4585f6 |
iio: ad_sigma_delta: use unsigned long for timeout
wait_for_completion_timeout returns unsigned long not int so an appropriate variable is declared and the assignment and check fixed up. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Reviewed-by: Alexandru Ardelean <alexandru.ardelean@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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|
Martin Blumenstingl
|
ffc0d638c8 |
iio: adc: meson-saradc: add support for the Meson8m2 SoCs
The SAR ADC on Meson8m2 behaves identical to the one found in the Meson8b SoCs. Add a separate compatible string because the temperature sensor logic (not supported yet) differs between Meson8 and Meson8m2 (however, it's the same for Meson8b and Meson8m2). Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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David Lechner
|
8134b613b0 |
iio: adc: ti-ads7950: allow simultaneous use of buffer and direct mode
This modifies the TI ADS7950 A/DC driver to allow the simultaneous use of both the triggered buffer and reading channels directly (via in- kernel API or sysfs). The use case for this is on LEGO MINDSTORMS EV3. Two of the voltage channels are used in-kernel by a power supply driver, which reads the values using iio_read_channel_processed(). These channels are only read at a slow rate (<= 1Hz). However, we want to be able to read 12 other channels at the same time using the triggered buffer at a high rate (>= 100Hz). Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
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David Lechner
|
7d7209f0c4 |
iio: adc: ti-ads7950: use SPDX-License-Identifier
This updates the ti-ads7950.c file to use SPDX-License-Identifier instead of more verbose license text. Signed-off-by: David Lechner <david@lechnology.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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Dan Carpenter
|
a176ba37e6 |
iio: adc: at91-sama5d2_adc: fix up casting in at91_adc_read_info_raw()
This code is problematic because we're supposed to be writing an int but
we instead write to only the high 16 bits. This doesn't work on big
endian systems, and there is a potential that the bottom 16 bits are
used without being initialized.
Fixes:
|
||
|
Manish Narani
|
c344a327ba |
iio: adc: xilinx: Remove dead code from xadc_zynq_setup
This patch removes dead code from xadc_zynq_setup. The condition "if (tck_rate > XADC_ZYNQ_TCK_RATE_MAX)" cannot be true at any point of time. There is also an incompatible parameter used in the code. This patch fixes the same reported by coverity. Signed-off-by: Manish Narani <manish.narani@xilinx.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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Andreas Klinger
|
461631face |
iio: hx711: add delay until DOUT is ready
On a system with parasitic capacitance it turned out that DOUT is not ready after 100 ns after PD_SCK has raised. A measurement showed almost 1000 ns until DOUT has reached its correct value. With this patch its now possible to wait until data is ready. The wait time should not be higher than the maximum PD_SCK high time which is corresponding to the datasheet 50000 ns. Signed-off-by: Andreas Klinger <ak@it-klinger.de> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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Julia Lawall
|
794ac821cc |
iio: adc: max1363: merge calls to of_match_device and of_device_get_match_data
Drop call to of_match_device, which is subsumed by the subsequent call to of_device_get_match_data. The code becomes simpler, and a temporary variable can be dropped. The semantic match that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r@ local idexpression match; identifier i; expression x, dev, e, e1; @@ - match@i = of_match_device(x, dev); - if (match) e = of_device_get_match_data(dev); - else e = e1; + e = of_device_get_match_data(dev); + if (!e) e = e1; @@ identifier r.i; @@ - const struct of_device_id *i; ... when != i // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
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Akinobu Mita
|
7d6cd21d82 |
iio: adc: ina2xx: avoid kthread_stop() with stale task_struct
When the buffer is enabled for ina2xx driver, a dedicated kthread is
invoked to capture mesurement data. When the buffer is disabled, the
kthread is stopped.
However if the kthread gets register access errors, it immediately exits
and when the malfunctional buffer is disabled, the stale task_struct
pointer is accessed as there is no kthread to be stopped.
A similar issue in the usbip driver is prevented by kthread_get_run and
kthread_stop_put helpers by increasing usage count of the task_struct.
This change applies the same solution.
Cc: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Cc: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Fixes:
|
||
|
Freeman Liu
|
5df362a6cf |
iio: adc: Add Spreadtrum SC27XX PMICs ADC support
The Spreadtrum SC27XX PMICs ADC controller contains 32 channels, which is used to sample voltages with 12 bits conversion. [Baolin Wang did lots of improvements] Signed-off-by: Freeman Liu <freeman.liu@spreadtrum.com> Signed-off-by: Baolin Wang <baolin.wang@linaro.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Greg Kroah-Hartman
|
f62252bf39 |
First set of IIO new device support, features and cleanups in the 4.19 cycle
The usual mixed bunch. Particular good to see is the generic
touch screen driver. Will be interesting to see if this works
for other ADCs without major changes.
Core features
* Channel types
- New position relative channel type primarily for touch screen
sensors to feed the generic touchscreen driver.
New device support
* ad5586
- Add support for the AD5311R DAC.
* Generic touch screen driver as an IIO consumer.
- Note this is in input, but due to dependencies is coming through
the IIO tree.
- Specific support for this added to the at91-sama5d2 ADC.
- Various necessary DT bindings added.
Staging Drops
* ADIS16060 gyro
- A device with a very odd interface that was never cleanly supported.
It's now very difficult to get, so unlikely it'll ever be fixed up.
Cleanups and minor features and fixes
* core
- Fix y2038 timestamp issues now the core support is in place.
* 104-quad-8
- Provide some defines for magic numbers to help readability.
- Fix an off by one error in register selection
* ad7606
- Put in a missing function parameter name in a prototype.
* adis16023
- Use generic sign_extend function rather than local version.
* adis16240
- Use generic sign_extend funciton rather than local version.
* at91-sama5d2
- Drop dependency on HAS_DMA now this is handled elsewhere. Will
improve build test coverage.
- Add oversampling ratio control. Note there is a minor ABI change
here to increase the apparent depth to 14 bits so as to allow
for transparent provision of different oversampling ratios that
drop the actual bit depth to 13 or 12 bits.
* hx711
- Add a MAINTAINERS entry for this device.
* inv_mpu6050
- Replace the timestamp fifo 'special' code with generic timestamp
handling.
- Switch to using local store of timestamp divider rather than rate
as that is more helpful for accurate time measurement.
- Fix an unaligned access that didn't seem to be causing any trouble.
- Use the fifo overflow bit to track the overflow status rather than
a software counter.
- New timestamping mechanism to deal with missed sample interrupts.
* stm32-adc
- Drop HAS_DMA build dependency.
* sun4i-gpadc
- Select REGMAP_IRQ a very rarely hit build issue fix.
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Merge tag 'iio-for-4.19a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
First set of IIO new device support, features and cleanups in the 4.19 cycle
The usual mixed bunch. Particular good to see is the generic
touch screen driver. Will be interesting to see if this works
for other ADCs without major changes.
Core features
* Channel types
- New position relative channel type primarily for touch screen
sensors to feed the generic touchscreen driver.
New device support
* ad5586
- Add support for the AD5311R DAC.
* Generic touch screen driver as an IIO consumer.
- Note this is in input, but due to dependencies is coming through
the IIO tree.
- Specific support for this added to the at91-sama5d2 ADC.
- Various necessary DT bindings added.
Staging Drops
* ADIS16060 gyro
- A device with a very odd interface that was never cleanly supported.
It's now very difficult to get, so unlikely it'll ever be fixed up.
Cleanups and minor features and fixes
* core
- Fix y2038 timestamp issues now the core support is in place.
* 104-quad-8
- Provide some defines for magic numbers to help readability.
- Fix an off by one error in register selection
* ad7606
- Put in a missing function parameter name in a prototype.
* adis16023
- Use generic sign_extend function rather than local version.
* adis16240
- Use generic sign_extend funciton rather than local version.
* at91-sama5d2
- Drop dependency on HAS_DMA now this is handled elsewhere. Will
improve build test coverage.
- Add oversampling ratio control. Note there is a minor ABI change
here to increase the apparent depth to 14 bits so as to allow
for transparent provision of different oversampling ratios that
drop the actual bit depth to 13 or 12 bits.
* hx711
- Add a MAINTAINERS entry for this device.
* inv_mpu6050
- Replace the timestamp fifo 'special' code with generic timestamp
handling.
- Switch to using local store of timestamp divider rather than rate
as that is more helpful for accurate time measurement.
- Fix an unaligned access that didn't seem to be causing any trouble.
- Use the fifo overflow bit to track the overflow status rather than
a software counter.
- New timestamping mechanism to deal with missed sample interrupts.
* stm32-adc
- Drop HAS_DMA build dependency.
* sun4i-gpadc
- Select REGMAP_IRQ a very rarely hit build issue fix.
|
||
|
Eugen Hristev
|
6794e23fa3 |
iio: adc: at91-sama5d2_adc: add support for oversampling resolution
This implements oversampling support for the SAMA5d2 ADC device. Enabling oversampling : OSR can improve resolution from 12 bits to 13 or 14 bits. Changing the channel specification to have 14 bits, and we shift the value 1 bit to the left if we have oversampling for just one extra bit, and two bits to the left if we have no oversampling (old support). From this commit on, the converted values for all the voltage channels change to 14 bits real data, with most insignificant two bits always zero if oversampling is not enabled. sysfs object oversampling_ratio has been enabled and oversampling_ratio_available will list possible values (1 or 4 or 16) having 1 as default (no oversampling, 1 sample for each conversion). Special care was required for the triggered buffer scenario (+ DMA), to adjust the values accordingly. Touchscreen measurements supported by this driver are not affected by oversampling, they are still on 12 bits (scale handing is already included in the driver). Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Geert Uytterhoeven
|
5126aec542 |
iio: adc: Remove depends on HAS_DMA in case of platform dependency
Remove dependencies on HAS_DMA where a Kconfig symbol depends on another symbol that implies HAS_DMA, and, optionally, on "|| COMPILE_TEST". In most cases this other symbol is an architecture or platform specific symbol, or PCI. Generic symbols and drivers without platform dependencies keep their dependencies on HAS_DMA, to prevent compiling subsystems or drivers that cannot work anyway. This simplifies the dependencies, and allows to improve compile-testing. Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Reviewed-by: Mark Brown <broonie@kernel.org> Acked-by: Robin Murphy <robin.murphy@arm.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Kees Cook
|
a86854d0c5 |
treewide: devm_kzalloc() -> devm_kcalloc()
The devm_kzalloc() function has a 2-factor argument form, devm_kcalloc().
This patch replaces cases of:
devm_kzalloc(handle, a * b, gfp)
with:
devm_kcalloc(handle, a * b, gfp)
as well as handling cases of:
devm_kzalloc(handle, a * b * c, gfp)
with:
devm_kzalloc(handle, array3_size(a, b, c), gfp)
as it's slightly less ugly than:
devm_kcalloc(handle, array_size(a, b), c, gfp)
This does, however, attempt to ignore constant size factors like:
devm_kzalloc(handle, 4 * 1024, gfp)
though any constants defined via macros get caught up in the conversion.
Any factors with a sizeof() of "unsigned char", "char", and "u8" were
dropped, since they're redundant.
Some manual whitespace fixes were needed in this patch, as Coccinelle
really liked to write "=devm_kcalloc..." instead of "= devm_kcalloc...".
The Coccinelle script used for this was:
// Fix redundant parens around sizeof().
@@
expression HANDLE;
type TYPE;
expression THING, E;
@@
(
devm_kzalloc(HANDLE,
- (sizeof(TYPE)) * E
+ sizeof(TYPE) * E
, ...)
|
devm_kzalloc(HANDLE,
- (sizeof(THING)) * E
+ sizeof(THING) * E
, ...)
)
// Drop single-byte sizes and redundant parens.
@@
expression HANDLE;
expression COUNT;
typedef u8;
typedef __u8;
@@
(
devm_kzalloc(HANDLE,
- sizeof(u8) * (COUNT)
+ COUNT
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(__u8) * (COUNT)
+ COUNT
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(char) * (COUNT)
+ COUNT
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(unsigned char) * (COUNT)
+ COUNT
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(u8) * COUNT
+ COUNT
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(__u8) * COUNT
+ COUNT
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(char) * COUNT
+ COUNT
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(unsigned char) * COUNT
+ COUNT
, ...)
)
// 2-factor product with sizeof(type/expression) and identifier or constant.
@@
expression HANDLE;
type TYPE;
expression THING;
identifier COUNT_ID;
constant COUNT_CONST;
@@
(
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(TYPE) * (COUNT_ID)
+ COUNT_ID, sizeof(TYPE)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(TYPE) * COUNT_ID
+ COUNT_ID, sizeof(TYPE)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(TYPE) * (COUNT_CONST)
+ COUNT_CONST, sizeof(TYPE)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(TYPE) * COUNT_CONST
+ COUNT_CONST, sizeof(TYPE)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(THING) * (COUNT_ID)
+ COUNT_ID, sizeof(THING)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(THING) * COUNT_ID
+ COUNT_ID, sizeof(THING)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(THING) * (COUNT_CONST)
+ COUNT_CONST, sizeof(THING)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(THING) * COUNT_CONST
+ COUNT_CONST, sizeof(THING)
, ...)
)
// 2-factor product, only identifiers.
@@
expression HANDLE;
identifier SIZE, COUNT;
@@
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- SIZE * COUNT
+ COUNT, SIZE
, ...)
// 3-factor product with 1 sizeof(type) or sizeof(expression), with
// redundant parens removed.
@@
expression HANDLE;
expression THING;
identifier STRIDE, COUNT;
type TYPE;
@@
(
devm_kzalloc(HANDLE,
- sizeof(TYPE) * (COUNT) * (STRIDE)
+ array3_size(COUNT, STRIDE, sizeof(TYPE))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(TYPE) * (COUNT) * STRIDE
+ array3_size(COUNT, STRIDE, sizeof(TYPE))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(TYPE) * COUNT * (STRIDE)
+ array3_size(COUNT, STRIDE, sizeof(TYPE))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(TYPE) * COUNT * STRIDE
+ array3_size(COUNT, STRIDE, sizeof(TYPE))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(THING) * (COUNT) * (STRIDE)
+ array3_size(COUNT, STRIDE, sizeof(THING))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(THING) * (COUNT) * STRIDE
+ array3_size(COUNT, STRIDE, sizeof(THING))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(THING) * COUNT * (STRIDE)
+ array3_size(COUNT, STRIDE, sizeof(THING))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(THING) * COUNT * STRIDE
+ array3_size(COUNT, STRIDE, sizeof(THING))
, ...)
)
// 3-factor product with 2 sizeof(variable), with redundant parens removed.
@@
expression HANDLE;
expression THING1, THING2;
identifier COUNT;
type TYPE1, TYPE2;
@@
(
devm_kzalloc(HANDLE,
- sizeof(TYPE1) * sizeof(TYPE2) * COUNT
+ array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+ array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(THING1) * sizeof(THING2) * COUNT
+ array3_size(COUNT, sizeof(THING1), sizeof(THING2))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(THING1) * sizeof(THING2) * (COUNT)
+ array3_size(COUNT, sizeof(THING1), sizeof(THING2))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(TYPE1) * sizeof(THING2) * COUNT
+ array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
, ...)
|
devm_kzalloc(HANDLE,
- sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+ array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
, ...)
)
// 3-factor product, only identifiers, with redundant parens removed.
@@
expression HANDLE;
identifier STRIDE, SIZE, COUNT;
@@
(
devm_kzalloc(HANDLE,
- (COUNT) * STRIDE * SIZE
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kzalloc(HANDLE,
- COUNT * (STRIDE) * SIZE
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kzalloc(HANDLE,
- COUNT * STRIDE * (SIZE)
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kzalloc(HANDLE,
- (COUNT) * (STRIDE) * SIZE
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kzalloc(HANDLE,
- COUNT * (STRIDE) * (SIZE)
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kzalloc(HANDLE,
- (COUNT) * STRIDE * (SIZE)
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kzalloc(HANDLE,
- (COUNT) * (STRIDE) * (SIZE)
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kzalloc(HANDLE,
- COUNT * STRIDE * SIZE
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
)
// Any remaining multi-factor products, first at least 3-factor products,
// when they're not all constants...
@@
expression HANDLE;
expression E1, E2, E3;
constant C1, C2, C3;
@@
(
devm_kzalloc(HANDLE, C1 * C2 * C3, ...)
|
devm_kzalloc(HANDLE,
- (E1) * E2 * E3
+ array3_size(E1, E2, E3)
, ...)
|
devm_kzalloc(HANDLE,
- (E1) * (E2) * E3
+ array3_size(E1, E2, E3)
, ...)
|
devm_kzalloc(HANDLE,
- (E1) * (E2) * (E3)
+ array3_size(E1, E2, E3)
, ...)
|
devm_kzalloc(HANDLE,
- E1 * E2 * E3
+ array3_size(E1, E2, E3)
, ...)
)
// And then all remaining 2 factors products when they're not all constants,
// keeping sizeof() as the second factor argument.
@@
expression HANDLE;
expression THING, E1, E2;
type TYPE;
constant C1, C2, C3;
@@
(
devm_kzalloc(HANDLE, sizeof(THING) * C2, ...)
|
devm_kzalloc(HANDLE, sizeof(TYPE) * C2, ...)
|
devm_kzalloc(HANDLE, C1 * C2 * C3, ...)
|
devm_kzalloc(HANDLE, C1 * C2, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(TYPE) * (E2)
+ E2, sizeof(TYPE)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(TYPE) * E2
+ E2, sizeof(TYPE)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(THING) * (E2)
+ E2, sizeof(THING)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- sizeof(THING) * E2
+ E2, sizeof(THING)
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- (E1) * E2
+ E1, E2
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- (E1) * (E2)
+ E1, E2
, ...)
|
- devm_kzalloc
+ devm_kcalloc
(HANDLE,
- E1 * E2
+ E1, E2
, ...)
)
Signed-off-by: Kees Cook <keescook@chromium.org>
|
||
|
Kees Cook
|
3c4211ba8a |
treewide: devm_kmalloc() -> devm_kmalloc_array()
The devm_kmalloc() function has a 2-factor argument form,
devm_kmalloc_array(). This patch replaces cases of:
devm_kmalloc(handle, a * b, gfp)
with:
devm_kmalloc_array(handle, a * b, gfp)
as well as handling cases of:
devm_kmalloc(handle, a * b * c, gfp)
with:
devm_kmalloc(handle, array3_size(a, b, c), gfp)
as it's slightly less ugly than:
devm_kmalloc_array(handle, array_size(a, b), c, gfp)
This does, however, attempt to ignore constant size factors like:
devm_kmalloc(handle, 4 * 1024, gfp)
though any constants defined via macros get caught up in the conversion.
Any factors with a sizeof() of "unsigned char", "char", and "u8" were
dropped, since they're redundant.
Some manual whitespace fixes were needed in this patch, as Coccinelle
really liked to write "=devm_kmalloc..." instead of "= devm_kmalloc...".
The Coccinelle script used for this was:
// Fix redundant parens around sizeof().
@@
expression HANDLE;
type TYPE;
expression THING, E;
@@
(
devm_kmalloc(HANDLE,
- (sizeof(TYPE)) * E
+ sizeof(TYPE) * E
, ...)
|
devm_kmalloc(HANDLE,
- (sizeof(THING)) * E
+ sizeof(THING) * E
, ...)
)
// Drop single-byte sizes and redundant parens.
@@
expression HANDLE;
expression COUNT;
typedef u8;
typedef __u8;
@@
(
devm_kmalloc(HANDLE,
- sizeof(u8) * (COUNT)
+ COUNT
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(__u8) * (COUNT)
+ COUNT
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(char) * (COUNT)
+ COUNT
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(unsigned char) * (COUNT)
+ COUNT
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(u8) * COUNT
+ COUNT
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(__u8) * COUNT
+ COUNT
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(char) * COUNT
+ COUNT
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(unsigned char) * COUNT
+ COUNT
, ...)
)
// 2-factor product with sizeof(type/expression) and identifier or constant.
@@
expression HANDLE;
type TYPE;
expression THING;
identifier COUNT_ID;
constant COUNT_CONST;
@@
(
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(TYPE) * (COUNT_ID)
+ COUNT_ID, sizeof(TYPE)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(TYPE) * COUNT_ID
+ COUNT_ID, sizeof(TYPE)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(TYPE) * (COUNT_CONST)
+ COUNT_CONST, sizeof(TYPE)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(TYPE) * COUNT_CONST
+ COUNT_CONST, sizeof(TYPE)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(THING) * (COUNT_ID)
+ COUNT_ID, sizeof(THING)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(THING) * COUNT_ID
+ COUNT_ID, sizeof(THING)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(THING) * (COUNT_CONST)
+ COUNT_CONST, sizeof(THING)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(THING) * COUNT_CONST
+ COUNT_CONST, sizeof(THING)
, ...)
)
// 2-factor product, only identifiers.
@@
expression HANDLE;
identifier SIZE, COUNT;
@@
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- SIZE * COUNT
+ COUNT, SIZE
, ...)
// 3-factor product with 1 sizeof(type) or sizeof(expression), with
// redundant parens removed.
@@
expression HANDLE;
expression THING;
identifier STRIDE, COUNT;
type TYPE;
@@
(
devm_kmalloc(HANDLE,
- sizeof(TYPE) * (COUNT) * (STRIDE)
+ array3_size(COUNT, STRIDE, sizeof(TYPE))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(TYPE) * (COUNT) * STRIDE
+ array3_size(COUNT, STRIDE, sizeof(TYPE))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(TYPE) * COUNT * (STRIDE)
+ array3_size(COUNT, STRIDE, sizeof(TYPE))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(TYPE) * COUNT * STRIDE
+ array3_size(COUNT, STRIDE, sizeof(TYPE))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(THING) * (COUNT) * (STRIDE)
+ array3_size(COUNT, STRIDE, sizeof(THING))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(THING) * (COUNT) * STRIDE
+ array3_size(COUNT, STRIDE, sizeof(THING))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(THING) * COUNT * (STRIDE)
+ array3_size(COUNT, STRIDE, sizeof(THING))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(THING) * COUNT * STRIDE
+ array3_size(COUNT, STRIDE, sizeof(THING))
, ...)
)
// 3-factor product with 2 sizeof(variable), with redundant parens removed.
@@
expression HANDLE;
expression THING1, THING2;
identifier COUNT;
type TYPE1, TYPE2;
@@
(
devm_kmalloc(HANDLE,
- sizeof(TYPE1) * sizeof(TYPE2) * COUNT
+ array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+ array3_size(COUNT, sizeof(TYPE1), sizeof(TYPE2))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(THING1) * sizeof(THING2) * COUNT
+ array3_size(COUNT, sizeof(THING1), sizeof(THING2))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(THING1) * sizeof(THING2) * (COUNT)
+ array3_size(COUNT, sizeof(THING1), sizeof(THING2))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(TYPE1) * sizeof(THING2) * COUNT
+ array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
, ...)
|
devm_kmalloc(HANDLE,
- sizeof(TYPE1) * sizeof(THING2) * (COUNT)
+ array3_size(COUNT, sizeof(TYPE1), sizeof(THING2))
, ...)
)
// 3-factor product, only identifiers, with redundant parens removed.
@@
expression HANDLE;
identifier STRIDE, SIZE, COUNT;
@@
(
devm_kmalloc(HANDLE,
- (COUNT) * STRIDE * SIZE
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kmalloc(HANDLE,
- COUNT * (STRIDE) * SIZE
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kmalloc(HANDLE,
- COUNT * STRIDE * (SIZE)
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kmalloc(HANDLE,
- (COUNT) * (STRIDE) * SIZE
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kmalloc(HANDLE,
- COUNT * (STRIDE) * (SIZE)
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kmalloc(HANDLE,
- (COUNT) * STRIDE * (SIZE)
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kmalloc(HANDLE,
- (COUNT) * (STRIDE) * (SIZE)
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
|
devm_kmalloc(HANDLE,
- COUNT * STRIDE * SIZE
+ array3_size(COUNT, STRIDE, SIZE)
, ...)
)
// Any remaining multi-factor products, first at least 3-factor products,
// when they're not all constants...
@@
expression HANDLE;
expression E1, E2, E3;
constant C1, C2, C3;
@@
(
devm_kmalloc(HANDLE, C1 * C2 * C3, ...)
|
devm_kmalloc(HANDLE,
- (E1) * E2 * E3
+ array3_size(E1, E2, E3)
, ...)
|
devm_kmalloc(HANDLE,
- (E1) * (E2) * E3
+ array3_size(E1, E2, E3)
, ...)
|
devm_kmalloc(HANDLE,
- (E1) * (E2) * (E3)
+ array3_size(E1, E2, E3)
, ...)
|
devm_kmalloc(HANDLE,
- E1 * E2 * E3
+ array3_size(E1, E2, E3)
, ...)
)
// And then all remaining 2 factors products when they're not all constants,
// keeping sizeof() as the second factor argument.
@@
expression HANDLE;
expression THING, E1, E2;
type TYPE;
constant C1, C2, C3;
@@
(
devm_kmalloc(HANDLE, sizeof(THING) * C2, ...)
|
devm_kmalloc(HANDLE, sizeof(TYPE) * C2, ...)
|
devm_kmalloc(HANDLE, C1 * C2 * C3, ...)
|
devm_kmalloc(HANDLE, C1 * C2, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(TYPE) * (E2)
+ E2, sizeof(TYPE)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(TYPE) * E2
+ E2, sizeof(TYPE)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(THING) * (E2)
+ E2, sizeof(THING)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- sizeof(THING) * E2
+ E2, sizeof(THING)
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- (E1) * E2
+ E1, E2
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- (E1) * (E2)
+ E1, E2
, ...)
|
- devm_kmalloc
+ devm_kmalloc_array
(HANDLE,
- E1 * E2
+ E1, E2
, ...)
)
Signed-off-by: Kees Cook <keescook@chromium.org>
|
||
|
Eugen Hristev
|
23ec2774f1 |
iio: adc: at91-sama5d2_adc: add support for position and pressure channels
This implements the support for position and pressure for the included touchscreen support in the SAMA5D2 SOC ADC block. Two position channels are added and one for pressure. They can be read in raw format, or through a buffer. A normal use case is for a consumer driver to register a callback buffer for these channels. When the touchscreen channels are in the active scan mask, the driver will start the touchscreen sampling and push the data to the buffer. Some parts of this patch are based on initial original work by Mohamed Jamsheeth Hajanajubudeen and Bandaru Venkateswara Swamy Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com> Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Arnd Bergmann
|
c2c8406b31 |
iio: adc: sun4i-gpadc: select REGMAP_IRQ
We can't call regmap_irq_get_virq() unless the regmap-irq support
is enabled:
drivers/iio/adc/sun4i-gpadc-iio.o: In function `sun4i_irq_init':
sun4i-gpadc-iio.c:(.text+0x59c): undefined reference to `regmap_irq_get_virq'
I came across this in a randconfig build now, but I guess this is
a much older problem that I simply never hit before because regmap_irq
is usually enabled by one of the other drivers that need it.
Fixes:
|
||
|
Linus Torvalds
|
eafdca4d70 |
Staging/IIO patches for 4.18-rc1
Here is the big staging and IIO driver update for 4.18-rc1.
It was delayed as I wanted to make sure the final driver deletions did
not cause any major merge issues, and all now looks good.
There are a lot of patches here, just over 1000. The diffstat summary
shows the major changes here:
1007 files changed, 16828 insertions(+), 227770 deletions(-)
Because of this, we might be close to shrinking the overall kernel
source code size for two releases in a row.
There was loads of work in this release cycle, primarily:
- tons of ks7010 driver cleanups
- lots of mt7621 driver fixes and cleanups
- most driver cleanups
- wilc1000 fixes and cleanups
- lots and lots of IIO driver cleanups and new additions
- debugfs cleanups for all staging drivers
- lots of other staging driver cleanups and fixes, the shortlog
has the full details.
but the big user-visable things here are the removal of 3 chunks of
code:
- ncpfs and ipx were removed on schedule, no one has cared about
this code since it moved to staging last year, and if it needs
to come back, it can be reverted.
- lustre file system is removed. I've ranted at the lustre
developers about once a year for the past 5 years, with no
real forward progress at all to clean things up and get the
code into the "real" part of the kernel. Given that the
lustre developers continue to work on an external tree and try
to port those changes to the in-kernel tree every once in a
while, this whole thing really really is not working out at
all. So I'm deleting it so that the developers can spend the
time working in their out-of-tree location and get things
cleaned up properly to get merged into the tree correctly at a
later date.
Because of these file removals, you will have merge issues on some of
these files (2 in the ipx code, 1 in the ncpfs code, and 1 in the
atomisp driver). Just delete those files, it's a simple merge :)
All of this has been in linux-next for a while with no reported
problems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging/IIO updates from Greg KH:
"Here is the big staging and IIO driver update for 4.18-rc1.
It was delayed as I wanted to make sure the final driver deletions did
not cause any major merge issues, and all now looks good.
There are a lot of patches here, just over 1000. The diffstat summary
shows the major changes here:
1007 files changed, 16828 insertions(+), 227770 deletions(-)
Because of this, we might be close to shrinking the overall kernel
source code size for two releases in a row.
There was loads of work in this release cycle, primarily:
- tons of ks7010 driver cleanups
- lots of mt7621 driver fixes and cleanups
- most driver cleanups
- wilc1000 fixes and cleanups
- lots and lots of IIO driver cleanups and new additions
- debugfs cleanups for all staging drivers
- lots of other staging driver cleanups and fixes, the shortlog has
the full details.
but the big user-visable things here are the removal of 3 chunks of
code:
- ncpfs and ipx were removed on schedule, no one has cared about this
code since it moved to staging last year, and if it needs to come
back, it can be reverted.
- lustre file system is removed.
I've ranted at the lustre developers about once a year for the past
5 years, with no real forward progress at all to clean things up
and get the code into the "real" part of the kernel.
Given that the lustre developers continue to work on an external
tree and try to port those changes to the in-kernel tree every once
in a while, this whole thing really really is not working out at
all. So I'm deleting it so that the developers can spend the time
working in their out-of-tree location and get things cleaned up
properly to get merged into the tree correctly at a later date.
Because of these file removals, you will have merge issues on some of
these files (2 in the ipx code, 1 in the ncpfs code, and 1 in the
atomisp driver). Just delete those files, it's a simple merge :)
All of this has been in linux-next for a while with no reported
problems"
* tag 'staging-4.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (1011 commits)
staging: ipx: delete it from the tree
ncpfs: remove uapi .h files
ncpfs: remove Documentation
ncpfs: remove compat functionality
staging: ncpfs: delete it
staging: lustre: delete the filesystem from the tree.
staging: vc04_services: no need to save the log debufs dentries
staging: vc04_services: vchiq_debugfs_log_entry can be a void *
staging: vc04_services: remove struct vchiq_debugfs_info
staging: vc04_services: move client dbg directory into static variable
staging: vc04_services: remove odd vchiq_debugfs_top() wrapper
staging: vc04_services: no need to check debugfs return values
staging: mt7621-gpio: reorder includes alphabetically
staging: mt7621-gpio: change gc_map to don't use pointers
staging: mt7621-gpio: use GPIOF_DIR_OUT and GPIOF_DIR_IN macros instead of custom values
staging: mt7621-gpio: change 'to_mediatek_gpio' to make just a one line return
staging: mt7621-gpio: dt-bindings: update documentation for #interrupt-cells property
staging: mt7621-gpio: update #interrupt-cells for the gpio node
staging: mt7621-gpio: dt-bindings: complete documentation for the gpio
staging: mt7621-dts: add missing properties to gpio node
...
|
||
|
Colin Ian King
|
dd63b4fa0d |
iio: adc: fix spelling mistake: "Freeacale" -> "Freescale"
Trivial fix to spelling mistake in module description text Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Fabrice Gasnier
|
ed582db639 |
iio: adc: stm32-dfsdm: include stm32-dfsdm-adc.h
Fix the following sparse warnings: CHECK drivers/iio/adc/stm32-dfsdm-adc.c symbol 'stm32_dfsdm_get_buff_cb' was not declared. Should it be static? symbol 'stm32_dfsdm_release_buff_cb' was not declared. Should it be static? BTW, move interrupt.h to sort headers alphabetically. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Sean Nyekjaer
|
2a86487786 |
iio: adc: ti-ads8688: add trigger and buffer support
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@prevas.dk> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Fabrice Gasnier
|
e2fad74503 |
iio: adc: stm32-dfsdm: Add support for stm32mp1
Add support for DFSDM (Digital Filter For Sigma Delta Modulators) to STM32MP1. This variant is close to STM32H7 DFSDM, it implements 6 filter instances. Registers map is also increased. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Greg Kroah-Hartman
|
6a8b25abf1 |
1st round of IIO new device support, features and cleanup for the 4.18 cycle
A nice mix this time of excellent cleanups (many to send drivers
speeding toward staging graduations) and new drivers / device support.
A good part of this is Brian Masney's never ending task on the tsl2x7x
driver. The end is in sight so hopefully we'll get that one out of
staging very soon!
New device support
* AD5686
- Support AD5685R (was wrongly present as AD5685)
- Support AD5672R, AD5676, AD5676, AD5684R and AD5686R 4 and 8 channel
SPI DACs with various precisions.
- Support AD5671R, AD5675R, AD5694, AD5694R, AD5695R, AD5696 and AD5696R
I2C DACs with various percisions and numbers of channels.
* Analog front end rescale driver - New driver.
- Support current sensing usings a shunt resistor.
- Support simple voltage dividers.
- support simple current sense amplifiers.
* TI dac5571
- New driver and device bindings supporting:
dac5571, dac6571, dac7571, dac5574, dac6574, dac7574,
dac5573, dac6573 and dac7573
* Meson-adc
- Support for Meson AXG with DT bindings.
* mpu6050
- Support the mpu9255 which only requires additional WHOAMI entry and
compatible string.
* st_lsm6dsx
- Support for lsm330dlc combinded accelerometer and gyro sensors with
DT bindings.
* stm32_adc
- Add support for STM32MP1 with bindings.
Staging graduations
* adis16201 after some excelent cleanup by Himanshu Jha.
* adis16029 after some excelent cleanup by Shreeya Patel.
New features:
* ABI docs
- Add core ABI docs for angle channels.
* inv_mpu6050
- Provide support for the full range of interrupts the device
supports.
* st_accel
- Add SMO8840 ACPI ID seen in the wild on some Lenovo machines.
* stx104
- Provide a multiple gpio get function.
Cleanups / Minor fixes
* core
- Use new nested structure support to improve kernel-doc.
* ad2s1200
- Use be16_to_cpup instead of opencoding.
* ad5686
- Indentation tidy up.
- Switch to SPDX
- Refactor to allow various numbers of channels.
- Refactor to separate core and SPI specific support, prior to
addition of i2c equivalent devices.
* ad7606
- Use drvdata directly from device rather than boucing via the
platform_device structure.
* ad7746
- Replace opencoded byte swapped i2c calls with _swapped variants.
- White space and line break readability improvements.
- Reorder includes and variable declarations where appropriate.
* ad7791
- Changes to the AD ADC library used by this driver took in the
sampling frequency. This lead to be the wrong path being the one
tied to the resulting attribute, so it didn't work, and a warning
to be printed.
* ad7780
- Remove apparent support for sampling frequency control on devices
that don't support changing the sampling attributes.
*
|
||
|
Greg Kroah-Hartman
|
9d569b1cf7 |
First round of IIO fixes for the 4.17 cycle.
* core
- fix up some issues with overflow etc around wrong types
for some fo the kfifo handling functions. Seems unlikely
this would be triggered in reality but the fixes are simple
so let's tidy them up. Second patch deals with checking
the userspace value passed for length for potential overflow.
* ad7793
- Catch up with changes to the ad_sigma_delta core and use
read_raw / write_raw iwth IIO_CHAN_INFO_SAMP_FEW to handle
sampling frequency control.
* at91-sama5d2
- Channel config for differential channels was completely broken.
- Missing Kconfig dependency for buffer support.
* hid-sensor
- Fix an issue with powering up after resume due to wrong reference
counting.
* stm32-dfsdm
- Fix an issue with second writes of the oversampling settings
failing.
- Fix an issue with the sample rate being set to half of requested
value when particular clock source is used.
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Merge tag 'iio-fixes-for-4.17a' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus
Jonathan writes:
First round of IIO fixes for the 4.17 cycle.
* core
- fix up some issues with overflow etc around wrong types
for some fo the kfifo handling functions. Seems unlikely
this would be triggered in reality but the fixes are simple
so let's tidy them up. Second patch deals with checking
the userspace value passed for length for potential overflow.
* ad7793
- Catch up with changes to the ad_sigma_delta core and use
read_raw / write_raw iwth IIO_CHAN_INFO_SAMP_FEW to handle
sampling frequency control.
* at91-sama5d2
- Channel config for differential channels was completely broken.
- Missing Kconfig dependency for buffer support.
* hid-sensor
- Fix an issue with powering up after resume due to wrong reference
counting.
* stm32-dfsdm
- Fix an issue with second writes of the oversampling settings
failing.
- Fix an issue with the sample rate being set to half of requested
value when particular clock source is used.
|
||
|
Fabrice Gasnier
|
d58c67d1d8 |
iio: adc: stm32-adc: add support for STM32MP1
Add support for STM32MP1 ADC. It's quite similar to STM32H7 ADC. Introduce new compatible to handle variants of this hardware such as vregready flag, trigger list, interrupts, clock rate. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Fabrice Gasnier
|
4cfcb2bfdd |
iio: adc: stm32-dfsdm: add check on spi-max-frequency
spi-max-frequency is requested for SPI master mode (only), to tune output clock. It may happen requested frequency isn't reachable. Add explicit check, so probe fails with error in this case. Otherwise, output clock may simply be silently turned off (conversions fail). Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Fabrice Gasnier
|
dfa105b1f6 |
iio: adc: stm32-dfsdm: add check on max filter id
reg property should be checked against number of available filters. BTW, dfsdm->num_fls wasn't used. But it can be used for this purpose. This prevents using data out of allocated dfsdm->fl_list array. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Fabrice Gasnier
|
c620da3ab3 |
iio: adc: stm32-dfsdm: misc style improvements and fixes
Misc fixes & style improvements: - checkpatch warns about line over 80 characters. - remove extra spaces and a blank line (e.g. checkpatch --strict) - remove bad error message always printed in probe routine. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Eugen Hristev
|
76974ef9d1 |
iio: adc: select buffer for at91-sama5d2_adc
We need to select the buffer code, otherwise we get build errors
with undefined functions on the trigger and buffer,
if we select just IIO and then AT91_SAMA5D2_ADC from menuconfig
This adds a Kconfig 'select' statement like other ADC
drivers have it already.
Fixes:
|
||
|
Eugen Hristev
|
f0c8d1f6dc |
iio: adc: at91-sama5d2_adc: fix channel configuration for differential channels
When iterating through the channels, the index in the array is not the scan index. Added an xlate function to translate to the proper index. The result of the bug is that the channel array is indexed with a wrong index, thus instead of the proper channel, we access invalid memory, which may lead to invalid results and/or corruption. This will be used also for devicetree channel xlate. Fixes: |
||
|
Linus Torvalds
|
1b2951dd99 |
This is the bulk of GPIO changes for the v4.17 kernel cycle:
New drivers:
- Nintendo Wii GameCube GPIO, known as "Hollywood"
- Raspberry Pi mailbox service GPIO expander
- Spreadtrum main SC9860 SoC and IEC GPIO controllers.
Improvements:
- Implemented .get_multiple() callback for most of the
high-performance industrial GPIO cards for the ISA bus.
- ISA GPIO drivers now select the ISA_BUS_API instead of
depending on it. This is merged with the same pattern
for all the ISA drivers and some other Kconfig cleanups
related to this.
Cleanup:
- Delete the TZ1090 GPIO drivers following the deletion of
this SoC from the ARM tree.
- Move the documentation over to driver-api to conform with
the rest of the kernel documentation build.
- Continue to make the GPIO drivers include only
<linux/gpio/driver.h> and not the too broad <linux/gpio.h>
that we want to get rid of.
- Managed to remove VLA allocation from two drivers pending
more fixes in this area for the next merge window.
- Misc janitorial fixes.
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Merge tag 'gpio-v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio
Pull GPIO updates from Linus Walleij:
"This is the bulk of GPIO changes for the v4.17 kernel cycle:
New drivers:
- Nintendo Wii GameCube GPIO, known as "Hollywood"
- Raspberry Pi mailbox service GPIO expander
- Spreadtrum main SC9860 SoC and IEC GPIO controllers.
Improvements:
- Implemented .get_multiple() callback for most of the
high-performance industrial GPIO cards for the ISA bus.
- ISA GPIO drivers now select the ISA_BUS_API instead of depending on
it. This is merged with the same pattern for all the ISA drivers
and some other Kconfig cleanups related to this.
Cleanup:
- Delete the TZ1090 GPIO drivers following the deletion of this SoC
from the ARM tree.
- Move the documentation over to driver-api to conform with the rest
of the kernel documentation build.
- Continue to make the GPIO drivers include only
<linux/gpio/driver.h> and not the too broad <linux/gpio.h> that we
want to get rid of.
- Managed to remove VLA allocation from two drivers pending more
fixes in this area for the next merge window.
- Misc janitorial fixes"
* tag 'gpio-v4.17-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (77 commits)
gpio: Add Spreadtrum PMIC EIC driver support
gpio: Add Spreadtrum EIC driver support
dt-bindings: gpio: Add Spreadtrum EIC controller documentation
gpio: ath79: Fix potential NULL dereference in ath79_gpio_probe()
pinctrl: qcom: Don't allow protected pins to be requested
gpiolib: Support 'gpio-reserved-ranges' property
gpiolib: Change bitmap allocation to kmalloc_array
gpiolib: Extract mask allocation into subroutine
dt-bindings: gpio: Add a gpio-reserved-ranges property
gpio: mockup: fix a potential crash when creating debugfs entries
gpio: pca953x: add compatibility for pcal6524 and pcal9555a
gpio: dwapb: Add support for a bus clock
gpio: Remove VLA from xra1403 driver
gpio: Remove VLA from MAX3191X driver
gpio: ws16c48: Implement get_multiple callback
gpio: gpio-mm: Implement get_multiple callback
gpio: 104-idi-48: Implement get_multiple callback
gpio: 104-dio-48e: Implement get_multiple callback
gpio: pcie-idio-24: Implement get_multiple/set_multiple callbacks
gpio: pci-idio-16: Implement get_multiple callback
...
|
||
|
Xingyu Chen
|
ff632ddae0 |
iio: adc: meson-saradc: add support for Meson AXG
Add the SAR ADC driver for the Amlogic Meson-AXG SoC. Signed-off-by: Xingyu Chen <xingyu.chen@amlogic.com> Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Yixun Lan
|
053ffe3c8c |
iio: adc: meson-saradc: squash and share the common adc platform data
Extract and promote common adc platform data into a new structure, to make it better share the info between several SoCs, this will avoid duplicating the code all over the place, Save a few memory and make the code more maintainable. Signed-off-by: Yixun Lan <yixun.lan@amlogic.com> Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Greg Kroah-Hartman
|
a0306db6e5 |
Merge 4.16-rc7 into staging-next
We want the IIO and staging driver fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
||
|
Linus Walleij
|
95260c17b2 |
Linux 4.16-rc5
-----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAlqlyPEeHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGNa0H/RIa/StQuYu/SBwa JRqQFmkIsx+gG+FyamJrqGzRfyjounES8PbfyaN3cCrzYgeRwMp1U/bZW6/l5tkb OjTtrCJ6CJaa21fC/7aqn3rhejHciKyk83EinMu5WjDpsQcaF2xKr3SaPa62Ja24 fhawKq3CnUa+OUuAbicVX8yn4viUB6x8FjSN/IWfp3Cs4IBR7SGxxD7A4MET9FbQ 5OOu0al8ly9QeCggTtJyk+cApeLfexEBTbUur9gm7GcH9jhUtJSyZCZsDJx6M2yb CwdgF4fyk58c1fuHvTFb0AdUns55ba3nicybRHHMVbDpZIG9v4/M1yJETHHf5cD7 t3rFjrY= =+Ldf -----END PGP SIGNATURE----- Merge tag 'v4.16-rc5' into devel Linux 4.16-rc5 merged into the GPIO devel branch to resolve a nasty conflict between fixes and devel in the RCAR driver. Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
||
|
Fabrice Gasnier
|
d58109dcf3 |
iio: adc: stm32-dfsdm: fix sample rate for div2 spi clock
When channel clk source is set to "CLKOUT_F" or "CLKOUT_R" (e.g. div2),
sample rate is currently set to half the requested value.
Fixes:
|
||
|
Fabrice Gasnier
|
7531cf59bf |
iio: adc: stm32-dfsdm: fix successive oversampling settings
When doing successive oversampling settings, it may fail to update filter
parameters silently:
- First time oversampling is being set, it will be successful, as fl->res
is 0 initially.
- Next attempts with various oversamp value may return 0 (success), but
keep previous filter parameters, due to 'res' never reaches above or
equal current 'fl->res'.
This is particularly true when setting sampling frequency (that relies on
oversamp). Typical failure without error:
- run 1st test @16kHz samp freq will succeed
- run new test @8kHz will succeed as well
- run new test @16kHz (again): sample rate will remain 8kHz without error
Fixes:
|
||
|
Alexandru Ardelean
|
381522c030 |
iio: adc: ad7791: implement IIO_CHAN_INFO_SAMP_FREQ
Now that the old read/write frequency sysfs attrs have been removed, we
have a clean slate to implement IIO_CHAN_INFO_SAMP_FREQ.
This driver also pre-dates IIO_CHAN_INFO_SAMP_FREQ, and this change
implements this behavior.
The `ad7791_write_raw` would have overlapped quite a bit with the old
read/write frequency functions, making things a bit harder to follow.
Fixes:
|
||
|
Alexandru Ardelean
|
7eb6b35d93 |
iio: adc: ad7791: remove sample freq sysfs attributes
In the current state, these attributes are broken, because they are
registered already, and the kernel throws a warning.
The first registration happens via the `IIO_CHAN_INFO_SAMP_FREQ` flag from
the `ad_sigma_delta` driver.
In this commit these attrs are removed, and in the following the
IIO_CHAN_INFO_SAMP_FREQ behavior will be implemented, which replaces these
hooks.
This is done to make things a bit easier to review as there is a bit of
overlap in the patch if it's done all at once.
Fixes:
|
||
|
Michael Nosthoff
|
490fba90a9 |
iio: ad7793: implement IIO_CHAN_INFO_SAMP_FREQ
This commit is a follow-up to changes made to ad_sigma_delta.h
in staging: iio: ad7192: implement IIO_CHAN_INFO_SAMP_FREQ
which broke ad7793 as it was not altered to match those changes.
This driver predates the availability of IIO_CHAN_INFO_SAMP_FREQ
attribute wherein usage has some advantages like it can be accessed by
in-kernel consumers as well as reduces the code size.
Therefore, use IIO_CHAN_INFO_SAMP_FREQ to implement the
sampling_frequency attribute instead of using IIO_DEV_ATTR_SAMP_FREQ()
macro.
Move code from the functions associated with IIO_DEV_ATTR_SAMP_FREQ()
into respective read and write hooks with the mask set to
IIO_CHAN_INFO_SAMP_FREQ.
Fixes:
|
||
|
William Breathitt Gray
|
dcbe3ccd8a |
iio: stx104: Implement get_multiple callback
The Apex Embedded Systems STX104 series of devices provides 4 TTL compatible lines of inputs accessed via a single 4-bit port. Since four input lines are acquired on a single port input read, the STX104 GPIO driver may improve multiple input reads by utilizing a get_multiple callback. This patch implements the stx104_gpio_get_multiple function which serves as the respective get_multiple callback. Cc: Jonathan Cameron <jic23@kernel.org> Cc: Hartmut Knaack <knaack.h@gmx.de> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Peter Meerwald-Stadler <pmeerw@pmeerw.net> Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> |
||
|
Greg Kroah-Hartman
|
6761f0ac66 |
Second set of new device support, features and cleanup for IIO in the 4.17 cycle
The uptick in staging cleanup is partly due to GSoC Applications
process being underway and one of Daniel's tasks being to try
cleaning up an IIO driver to move out of staging.
Naturally there is some normal staging cleanup progress in here
as well.
New device support
* Microchip mcp4018
- New driver supproting MCP4017, MCP4018 and MCP4019 digital pots.
* On Semiconductor lv0104cs
- New driver to support this ambient light sensor.
Cleanup
* axp20x_adc
- remove a !! in favour of clear ternary operator.
* ad2s1210 (staging cleanup)
- Reorganise to avoid ending a line with [
- Remove some unnecessary defines.
- Remove unsed variable.
* ad5380
- Replace magic 0 with IIO_CHAN_INFO_RAW
* ad5764
- Replace magic 0 with IIO_CHA_INFO_RAW
* ad7150 (staging cleanup)
- Align arguements with parenthesis.
* ad7152 (staging cleanup)
- Align arguements.
* ad7746 (staging cleanup)
- Align arguements.
* ad7816
- Remove pointless void pointer cast.
* ade7753
- Replace IIO_DEV_ATTR_CH_OFF with equivalent to avoid confusing
checkpatch (this macro didn't really help anyway). Also drop the
macro from the meter.h header.
* ade7754 (staging cleanup)
- Add names to funciton definition arguements.
- Align arguements with open parenthesis where possible.
* ade7758 (staging cleanup)
- Remove __func__ from dev_dbg statements as provided by dynamic
debug anyway.
- Align arguements with open parenthesis where possible.
* ade7759 (staging cleanup)
- Replace IIO_DEV_ATTR_CH_OFF with equiavalent to avoid confusing
checkpatch.
* adis16201 (staging cleanup)
- Headers in alphabetical order.
- Blank lines before returns.
* adis16209 (staging cleanup)
- Headers in alphabetical order
- Change some definition names to make them more meaningful (2 rounds
of this).
- Add explicit _REG prefix to register names to make them
obviously different from fields within those registers.
- Remove some superflous comments and group definitions better.
- Use a switch statement to make it semantically obvious that we
only have two options (rather than an unlimited 'else').
- Use sign_extent32 instead of open coding.
* adt7316 (staging cleanup)
- Move an export next to symbol.
* bmc150
- drop redundant __func__ in dynamic debug.
* ccs811
- Rename varaible to better reflect what it does.
* cros_ec
- Reduce sampling frequency before suspending to avoid preventing
suspend.
* dummy
- Correct whitespace in Kconfig.
- Add extra description in Kconfig.
* ds1803
- Remove a VLA which we always know is 2 long.
* hid-sensor-accel
- Replace magic number 0 by IIO_CHAN_INFO_RAW.
* hid-sensor-gyro
- Replace magic number 0 by IIO_CHAN_INFO_RAW.
* hid-sensor-light
- Replace magic number 0 by IIO_CHAN_INFO_RAW.
* hid-sensor-magn
- Replace magic number 0 by IIO_CHAN_INFO_RAW.
* lm3533
- Replace magic number 0 by IIO_CHAN_INFO_RAW
* mlx90632
- Squash a smatch warning - no runtime effect.
* stm32_dfsdm:
- Cleanup the dt bindings.
* sx9500
- Add GPIO ACPI mapping table to behave correctly when firmware
doesn't provide the mapping.
* tsl2x7x (staging cleanup)
- Fix the proximity sensor functionality.
- Remove platform data provided power functions. There are much
better ways to do this these days.
- Introduce some common functions to avoid various repititions.
- Stop using mutex_trylock when mutex_lock and wait a bit is fine.
- Improve error handling in various places.
- Drop some 'Camel case' (which wasn't actually strickly camel case
but was a bit odd.
- Drop some _available sysfs attributes for things that don't exist
(for particular supported parts).
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Merge tag 'iio-for-4.17b' of git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-next
Jonathan writes:
Second set of new device support, features and cleanup for IIO in the 4.17 cycle
The uptick in staging cleanup is partly due to GSoC Applications
process being underway and one of Daniel's tasks being to try
cleaning up an IIO driver to move out of staging.
Naturally there is some normal staging cleanup progress in here
as well.
New device support
* Microchip mcp4018
- New driver supproting MCP4017, MCP4018 and MCP4019 digital pots.
* On Semiconductor lv0104cs
- New driver to support this ambient light sensor.
Cleanup
* axp20x_adc
- remove a !! in favour of clear ternary operator.
* ad2s1210 (staging cleanup)
- Reorganise to avoid ending a line with [
- Remove some unnecessary defines.
- Remove unsed variable.
* ad5380
- Replace magic 0 with IIO_CHAN_INFO_RAW
* ad5764
- Replace magic 0 with IIO_CHA_INFO_RAW
* ad7150 (staging cleanup)
- Align arguements with parenthesis.
* ad7152 (staging cleanup)
- Align arguements.
* ad7746 (staging cleanup)
- Align arguements.
* ad7816
- Remove pointless void pointer cast.
* ade7753
- Replace IIO_DEV_ATTR_CH_OFF with equivalent to avoid confusing
checkpatch (this macro didn't really help anyway). Also drop the
macro from the meter.h header.
* ade7754 (staging cleanup)
- Add names to funciton definition arguements.
- Align arguements with open parenthesis where possible.
* ade7758 (staging cleanup)
- Remove __func__ from dev_dbg statements as provided by dynamic
debug anyway.
- Align arguements with open parenthesis where possible.
* ade7759 (staging cleanup)
- Replace IIO_DEV_ATTR_CH_OFF with equiavalent to avoid confusing
checkpatch.
* adis16201 (staging cleanup)
- Headers in alphabetical order.
- Blank lines before returns.
* adis16209 (staging cleanup)
- Headers in alphabetical order
- Change some definition names to make them more meaningful (2 rounds
of this).
- Add explicit _REG prefix to register names to make them
obviously different from fields within those registers.
- Remove some superflous comments and group definitions better.
- Use a switch statement to make it semantically obvious that we
only have two options (rather than an unlimited 'else').
- Use sign_extent32 instead of open coding.
* adt7316 (staging cleanup)
- Move an export next to symbol.
* bmc150
- drop redundant __func__ in dynamic debug.
* ccs811
- Rename varaible to better reflect what it does.
* cros_ec
- Reduce sampling frequency before suspending to avoid preventing
suspend.
* dummy
- Correct whitespace in Kconfig.
- Add extra description in Kconfig.
* ds1803
- Remove a VLA which we always know is 2 long.
* hid-sensor-accel
- Replace magic number 0 by IIO_CHAN_INFO_RAW.
* hid-sensor-gyro
- Replace magic number 0 by IIO_CHAN_INFO_RAW.
* hid-sensor-light
- Replace magic number 0 by IIO_CHAN_INFO_RAW.
* hid-sensor-magn
- Replace magic number 0 by IIO_CHAN_INFO_RAW.
* lm3533
- Replace magic number 0 by IIO_CHAN_INFO_RAW
* mlx90632
- Squash a smatch warning - no runtime effect.
* stm32_dfsdm:
- Cleanup the dt bindings.
* sx9500
- Add GPIO ACPI mapping table to behave correctly when firmware
doesn't provide the mapping.
* tsl2x7x (staging cleanup)
- Fix the proximity sensor functionality.
- Remove platform data provided power functions. There are much
better ways to do this these days.
- Introduce some common functions to avoid various repititions.
- Stop using mutex_trylock when mutex_lock and wait a bit is fine.
- Improve error handling in various places.
- Drop some 'Camel case' (which wasn't actually strickly camel case
but was a bit odd.
- Drop some _available sysfs attributes for things that don't exist
(for particular supported parts).
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