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Cast to a uintptr_t rather than directly to the enum.
As per the discussion in below linked media patch.
Link: https://lore.kernel.org/linux-media/CAK8P3a2ez6nEw4d+Mqa3XXAz0RFTZHunqqRj6sCt7Y_Eqqs0rw@mail.gmail.com/
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Cc: Stephan Gerhold <stephan@gerhold.net>
Reviewed-by: Nathan Chancellor <nathan@kernel.org>
Link: https://lore.kernel.org/r/20211128172445.2616166-2-jic23@kernel.org
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The AD3552R-16 is a low drift ultrafast, 16-bit accuracy,
current output digital-to-analog converter (DAC) designed
to generate multiple output voltage span ranges.
The AD3552R-16 operates with a fixed 2.5V reference.
Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ad3552r.pdf
Signed-off-by: Mihail Chindris <mihail.chindris@analog.com>
Link: https://lore.kernel.org/r/20211213110825.244347-3-mihail.chindris@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add documentation for ad3552r and ad3542r
Signed-off-by: Mihail Chindris <mihail.chindris@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add initial ABI documentation for admv8818 filter sysfs interfaces.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add device tree bindings for the ADMV8818 Filter.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The ADMV8818-EP is a fully monolithic microwave integrated
circuit (MMIC) that features a digitally selectable frequency of
operation. The device features four independently controlled high-
pass filters (HPFs) and four independently controlled low-pass
filters (LPFs) that span the 2 GHz to 18 GHz frequency range.
Datasheet:
https://www.analog.com/media/en/technical-documentation/data-sheets/admv8818-ep.pdf
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add filter subfolder for IIO devices that handle filter functionality.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The case to u8 * is unnecessary here since the expression is already of
type u8 *.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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`buf` is cast to a const char *, but `buf` is already a const char *, so
the case is unnecessary.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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`buf` is cast to a const char *, but `buf` is already a const char *, so
the case is unnecessary.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The find.h APIs are designed to be used only on unsigned long arguments.
This can technically result in a over-read, but it is harmless in this
case. Regardless, fix it to avoid the warning seen under -Warray-bounds,
which we'd like to enable globally:
In file included from ./include/linux/bitmap.h:9,
from ./include/linux/cpumask.h:12,
from ./arch/x86/include/asm/cpumask.h:5,
from ./arch/x86/include/asm/msr.h:11,
from ./arch/x86/include/asm/processor.h:22,
from ./arch/x86/include/asm/cpufeature.h:5,
from ./arch/x86/include/asm/thread_info.h:53,
from ./include/linux/thread_info.h:60,
from ./arch/x86/include/asm/preempt.h:7,
from ./include/linux/preempt.h:78,
from ./include/linux/spinlock.h:55,
from ./include/linux/swait.h:7,
from ./include/linux/completion.h:12,
from drivers/iio/adc/stmpe-adc.c:10:
drivers/iio/adc/stmpe-adc.c: In function 'stmpe_adc_probe':
./include/linux/find.h:98:23: warning: array subscript 'long unsigned int[0]' is partly outside array bounds of 'u32[1]' {aka 'unsigned int[1]'} [-Warray-bounds]
98 | val = *addr | ~GENMASK(size - 1, offset);
| ^~~~~
drivers/iio/adc/stmpe-adc.c:258:13: note: while referencing 'norequest_mask'
258 | u32 norequest_mask = 0;
| ^~~~~~~~~~~~~~
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Return value from ads8688_prog_write() directly instead
of taking this in another redundant variable.
Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi <chi.minghao@zte.com.cn>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The > needs to be >= to prevent accessing one element beyond the end of
the st->channel_configs[] array.
Fixes: fea251b6a5db ("iio: addac: add AD74413R driver")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Cosmin Tanislav <cosmin.tanislav@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Delete the redundant word 'the'.
Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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By flushing the output, iio_event_monitor can be more useful to programs
chained along with it.
iio_event_monitor stk3310 | awk '/rising/{system("my_unlockscreen.sh")} /falling/{system("my_lockscreen.sh")}'
Without this flush, the above example would buffer a number of events,
then after a while run the lock/unlock scripts several times.
Signed-off-by: Zach DeCook <zachdecook@librem.one>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Drvdata is typically used by drivers to attach driver specific data to a
device. It is used to retrieve driver specific information when only the
device to which the data is attached is available.
In the IIO core in the `iio_device_alloc()` function we call
`iio_device_set_drvdata(indio_dev, indio_dev)`. This sets the drvdata of
the IIO device to itself.
This is rather unnecessary since if we have a pointer to the IIO device to
call `iio_device_get_drvdata()` on it we don't need to call the function
since we already have the pointer. If we only have a pointer to the `struct
device` we can use `dev_to_iio_dev()` to get the IIO device from it.
Furthermore the drvdata is supposed to be reserved for drivers, so it
should not be used by the IIO core in the first place.
The `set_drvdata()` has been around from the very beginning of the IIO
framework and back then it was used in the IIO device sysfs attribute
handling code. But that was subsequently replaced with a `dev_to_iio_dev()`
in commit e53f5ac52ec1 ("iio: Use dev_to_iio_dev()") and other cleanups.
The self `set_drvdata()` is now no longer needed and can be removed.
Verified that there no longer any users by checking for potential users
using the following two coccinelle scripts and reviewing that none of the
matches are problematic code.
<smpl>
@@
struct iio_dev *iio_dev;
expression dev;
identifier fn !~ "(remove|resume|suspend)";
@@
fn(...)
{
...
*iio_dev = dev_get_drvdata(dev)
...
}
</smpl>
<smpl>
@r1@
position p;
struct iio_dev *indio_dev;
identifier dev_fn =~ "^dev_";
identifier devm_fn =~ "^devm_";
@@
(
dev_fn
|
devm_fn
)
(&indio_dev@p->dev, ...)
@@
struct iio_dev *indio_dev;
position p != r1.p;
@@
*&indio_dev@p->dev</smpl>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The double `the' in the comment in line 732 is repeated. Remove one
of them from the comment.
Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20211211090221.241529-1-wangborong@cdjrlc.com
[Fixed capital letter in title]
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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We need the fixes in here as well, and also resolve some merge conflicts
in:
drivers/misc/eeprom/at25.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are some small USB fixes for 5.16-rc5. They include:
- gadget driver fixes for reported issues
- xhci fixes for reported problems.
- config endpoint parsing fixes for where we got bitfields wrong
Most of these have been in linux-next, the remaining few were not, but
got lots of local testing in my systems and in some cloud testing
infrastructures"
* tag 'usb-5.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: core: config: using bit mask instead of individual bits
usb: core: config: fix validation of wMaxPacketValue entries
USB: gadget: zero allocate endpoint 0 buffers
USB: gadget: detect too-big endpoint 0 requests
xhci: avoid race between disable slot command and host runtime suspend
xhci: Remove CONFIG_USB_DEFAULT_PERSIST to prevent xHCI from runtime suspending
Revert "usb: dwc3: dwc3-qcom: Enable tx-fifo-resize property by default"
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are a bunch of small char/misc and other driver subsystem fixes.
Included in here are:
- iio driver fixes for reported problems
- phy driver fixes for a number of reported problems
- mhi resume bugfix for broken hardware
- nvmem driver fix
- rtsx driver fix for irq issues
- fastrpc packet parsing fix
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: (33 commits)
bus: mhi: core: Add support for forced PM resume
iio: trigger: stm32-timer: fix MODULE_ALIAS
misc: rtsx: Avoid mangling IRQ during runtime PM
nvmem: eeprom: at25: fix FRAM byte_len
misc: fastrpc: fix improper packet size calculation
MAINTAINERS: add maintainer for Qualcomm FastRPC driver
bus: mhi: pci_generic: Fix device recovery failed issue
iio: adc: stm32: fix null pointer on defer_probe error
phy: HiSilicon: Fix copy and paste bug in error handling
dt-bindings: phy: zynqmp-psgtr: fix USB phy name
phy: ti: omap-usb2: Fix the kernel-doc style
phy: qualcomm: ipq806x-usb: Fix kernel-doc style
iio: at91-sama5d2: Fix incorrect sign extension
iio: adc: axp20x_adc: fix charging current reporting on AXP22x
iio: gyro: adxrs290: fix data signedness
phy: ti: tusb1210: Fix the kernel-doc warn
phy: qualcomm: usb-hsic: Fix the kernel-doc warn
phy: qualcomm: qmp: Add missing struct documentation
phy: mvebu-cp110-utmi: Fix kernel-doc warns
iio: ad7768-1: Call iio_trigger_notify_done() on error
...
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
"Two fixes for clock chip drivers:
- A regression fix for the Designware APB timer. A recent change to
the error checking code transformed the error condition wrongly so
it turned into a fail if good condition.
- Fix a clang build fail of the ARM architected timer driver"
* tag 'timers-urgent-2021-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
clocksource/drivers/arm_arch_timer: Force inlining of erratum_set_next_event_generic()
clocksource/drivers/dw_apb_timer_of: Fix probe failure
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"A set of interrupt chip driver fixes:
- Fix the multi vector MSI allocation on Armada 370XP
- Do interrupt acknowledgement correctly in the aspeed-scu driver
- Make the IPR register offset correct in the NVIC driver
- Make redistribution table flushing correct by issueing a SYNC
command to ensure that the invalidation command has been executed
- Plug a device tree node reference leak in the bcm7210-l2 driver
- Trivial fixes in the MIPS GIC and the Apple AIC drivers"
* tag 'irq-urgent-2021-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
irqchip/irq-bcm7120-l2: Add put_device() after of_find_device_by_node()
irqchip/irq-gic-v3-its.c: Force synchronisation when issuing INVALL
irqchip/apple-aic: Mark aic_init_smp() as __init
irqchip: nvic: Fix offset for Interrupt Priority Offsets
irqchip/mips-gic: Use bitfield helpers
irqchip/aspeed-scu: Replace update_bits with write_bits.
irqchip/armada-370-xp: Fix support for Multi-MSI interrupts
irqchip/armada-370-xp: Fix return value of armada_370_xp_msi_alloc()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler fix from Thomas Gleixner:
"A single fix for the x86 scheduler topology:
Using cluster topology on hybrid CPUs, e.g. Alder Lake, biases the
scheduler towards the ATOM cluster as that has more total capacity.
Use selection based on CPU priority instead"
* tag 'sched-urgent-2021-12-12' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched,x86: Don't use cluster topology for x86 hybrid CPUs
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Pull csky from Guo Ren:
"Only one fix for csky: fix fpu config macro"
* tag 'csky-for-linus-5.16-rc5' of git://github.com/c-sky/csky-linux:
csky: fix typo of fpu config macro
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Probably a cut and paste error, but the binding header used in the
example is for the wrong device and nothing from it is used.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Sean Nyekjaer <sean.nyekjaer@prevas.dk>
Reviewed-by: Rob Herring <robh@kernel.org>
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We could probably drop a lot more of these, but for now this removes
unnecessary restrictions on stand alone ADC devices.
For these 3 drivers the false dependency seems to date all
the way back to their initial introduction.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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Nothing in this driver depends on OF firmware so drop the dependency
and update the headers to remove the false impression such a dependency
exists.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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There is nothing directly using of specific interfaces in this driver,
so lets not include the headers.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Acked-by: Peter Rosin <peda@axentia.se>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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This enables using the driver with other firmware types such
as ACPI via PRP0001.
Also part of a general attempt to move IIO drivers over to generic
properties to avoid opportunities for cut and paste.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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This allows use of the driver with other types of firmware such as ACPI
PRP0001 based probing.
Also part of a general attempt to remove direct use of of_ specific
accessors from IIO.
Added an include for mod_devicetable.h whilst here to cover the
struct of_device_id definition.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Kent Gustavsson <kent@minoris.se>
Reviewed-by: Marcus Folkesson <marcus.folkesson@gmail.com>
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Note the handling of the device tree node in this driver was somewhat
unusual. I have cleaned that up whilst also moving over to generic
properties.
Part of a general attempt to move all IIO drivers over to generic
firmware properties both as a general improvement and to avoid sources
of cut and paste into future drivers.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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This enables use of other firmware types with minimal driver changes.
Part of an ongoing effort to move all IIO drivers over to generic
accessors in order to reduce the chance of of_* versions being
copied into new drivers. Also updated the headers to reflect this change
including using mod_devicetable.h for struct of_device_id definition
rather than going via of.h
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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In this case it was only of_device_get_match_data() + header update.
This enables use of other firmware types with no other changes, such
as ACPI via the PRP0001 route.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Chris Coffey <cmc@babblebit.net>
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This driver never used anything from the of specific headers.
mod_devicetable.h provides the struct of_device_id definition.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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This driver never used anything in the of specific header.
It just wants the struct of_device_id from mod_devicetable.h.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Acked-by: Peter Rosin <peda@axentia.se>
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These have never been used in this driver. What is used is in
mod_devicetable.h so add that include (struct of_device_id)
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Daniel Gomez <dagmcr@gmail.com>
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Lars pointed out that platform data can also be supported via the
generic properties interface, so there is no point in continuing to
support it separately. Hence squish the linux/platform_data/ad5755.h
header into the c file and drop accessing the platform data directly.
Done by inspection only. Mostly completely mechanical with the
exception of a few places where default value handling is
cleaner done by first setting the value, then calling the
firmware reading function but and not checking the return value,
as opposed to reading firmware then setting the default if an error
occurs.
Part of general attempt to move all of IIO over to generic
device properties, both to enable other firmware types and
to remove drivers that can be the source of of_ specific
behaviour in new drivers.
Suggested-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
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IIO triggers are software IRQ chips that split an incoming IRQ into
separate IRQs routed to all devices using the trigger.
When all consumers are done then a trigger callback reenable() is
called. There are a few circumstances under which this can happen
in atomic context.
1) A single user of the trigger that calls the iio_trigger_done()
function from interrupt context.
2) A race between disconnecting the last device from a trigger and
the trigger itself sucessfully being disabled.
To avoid a resulting scheduling whilst atomic, close this second corner
by using schedule_work() to ensure the reenable is not done in atomic
context.
Note that drivers must be careful to manage the interaction of
set_state() and reenable() callbacks to ensure appropriate reference
counting if they are relying on the same hardware controls.
Deliberately taking this the slow path rather than via a fixes tree
because the error has hard to hit and I would like it to soak for a while
before hitting a release kernel.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Pengutronix Kernel Team <kernel@pengutronix.de>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Tested-by: Oleksij Rempel <o.rempel@pengutronix.de>
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20211017172209.112387-1-jic23@kernel.org
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The AD74412R and AD74413R are quad-channel, software configurable,
input/output solutions for building and process control applications.
They contain functionality for analog output, analog input, digital input,
resistance temperature detector, and thermocouple measurements integrated
into a single chip solution with an SPI interface.
The devices feature a 16-bit ADC and four configurable 13-bit DACs to
provide four configurable input/output channels and a suite of diagnostic
functions.
The AD74413R differentiates itself from the AD74412R by being
HART-compatible.
When configured with channel 0 as voltage output, channel 1 as current
output, channel 2 as voltage input and channel 3 as current input, the
following structure is created under the corresponding IIO device.
.
├── in_current0_offset
├── in_current0_raw
├── in_current0_sampling_frequency
├── in_current0_sampling_frequency_available
├── in_current0_scale
├── in_voltage1_offset
├── in_voltage1_raw
├── in_voltage1_sampling_frequency
├── in_voltage1_sampling_frequency_available
├── in_voltage1_scale
├── in_voltage2_offset
├── in_voltage2_raw
├── in_voltage2_sampling_frequency
├── in_voltage2_sampling_frequency_available
├── in_voltage2_scale
├── in_current3_offset
├── in_current3_raw
├── in_current3_sampling_frequency
├── in_current3_sampling_frequency_available
├── in_current3_scale
├── out_voltage0_raw
├── out_voltage0_scale
├── out_current1_raw
├── out_current1_scale
├── name
├── buffer
│ ├── data_available
│ ├── enable
│ ├── length
│ └── watermark
└── scan_elements
├── in_current0_en
├── in_current0_index
├── in_current0_type
├── in_voltage1_en
├── in_voltage1_index
├── in_voltage1_type
├── in_voltage2_en
├── in_voltage2_index
├── in_voltage2_type
├── in_current3_en
├── in_current3_index
└── in_current3_type
Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211205114045.173612-4-cosmin.tanislav@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The AD74412R and AD74413R are quad-channel, software configurable,
input/output solutions for building and process control applications.
They contain functionality for analog output, analog input, digital input,
resistance temperature detector, and thermocouple measurements integrated
into a single chip solution with an SPI interface.
The devices feature a 16-bit ADC and four configurable 13-bit DACs to
provide four configurable input/output channels and a suite of diagnostic
functions.
The AD74413R differentiates itself from the AD74412R by being
HART-compatible.
Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20211205114045.173612-3-cosmin.tanislav@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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For IIO devices that expose both ADC and DAC functionality.
Signed-off-by: Cosmin Tanislav <cosmin.tanislav@analog.com>
Link: https://lore.kernel.org/r/20211205114045.173612-2-cosmin.tanislav@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Update my email address to use developer mail address,
because the old address will be dropped soon.
And change the status from 'Supported' to 'Maintained' for me
to look after this code without any payment now.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Link: https://lore.kernel.org/r/20211201083100.1587-1-caihuoqing@baidu.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Add device tree bindings for the AD7293 Power Amplifier.
Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211202150819.24832-2-antoniu.miclaus@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Using standard USB_EP_MAXP_MULT_MASK instead of individual bits for
extracting multiple-transactions bits from wMaxPacketSize value.
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20211210085219.16796-2-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The checks performed by commit aed9d65ac327 ("USB: validate
wMaxPacketValue entries in endpoint descriptors") require that initial
value of the maxp variable contains both maximum packet size bits
(10..0) and multiple-transactions bits (12..11). However, the existing
code assings only the maximum packet size bits. This patch assigns all
bits of wMaxPacketSize to the variable.
Fixes: aed9d65ac327 ("USB: validate wMaxPacketValue entries in endpoint descriptors")
Cc: stable <stable@vger.kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
Link: https://lore.kernel.org/r/20211210085219.16796-1-pavel.hofman@ivitera.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Under some conditions, USB gadget devices can show allocated buffer
contents to a host. Fix this up by zero-allocating them so that any
extra data will all just be zeros.
Reported-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Tested-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Sometimes USB hosts can ask for buffers that are too large from endpoint
0, which should not be allowed. If this happens for OUT requests, stall
the endpoint, but for IN requests, trim the request size to the endpoint
buffer size.
Co-developed-by: Szymon Heidrich <szymon.heidrich@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four fixes, all in drivers.
Three are small and obvious, the qedi one is a bit larger but also
pretty obvious"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: qla2xxx: Format log strings only if needed
scsi: scsi_debug: Fix buffer size of REPORT ZONES command
scsi: qedi: Fix cmd_cleanup_cmpl counter mismatch issue
scsi: pm80xx: Do not call scsi_remove_host() in pm8001_alloc()
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Pull xfs fix from Darrick Wong:
"This fixes a race between a readonly remount process and other
processes that hold a file IOLOCK on files that previously experienced
copy on write, that could result in severe filesystem corruption if
the filesystem is then remounted rw.
I think this is fairly rare (since the only reliable reproducer I have
that fits the second criteria is the experimental xfs_scrub program),
but the race is clear, so we still need to fix this.
Summary:
- Fix a data corruption vector that can result from the ro remount
process failing to clear all speculative preallocations from files
and the rw remount process not noticing the incomplete cleanup"
* tag 'xfs-5.16-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: remove all COW fork extents when remounting readonly
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