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The iio_triggered_buffer_{predisable,postenable} functions attach/detach
the poll functions.
The iio_triggered_buffer_postenable() should be called before (to attach
the poll func) and then the
The iio_triggered_buffer_predisable() function is hooked directly without
anything, which is probably fine, as the postenable() version seems to also
do some reset/wake-up of the device.
This will mean it will be easier when removing it; i.e. it just gets
removed.
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license version 2 as
published by the free software foundation this program is
distributed in the hope that it will be useful but without any
warranty without even the implied warranty of merchantability or
fitness for a particular purpose see the gnu general public license
for more details
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-only
has been chosen to replace the boilerplate/reference in 655 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Allison Randal <allison@lohutok.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Richard Fontana <rfontana@redhat.com>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We want the IIO and staging driver fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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With gcc 4.1.2:
drivers/iio/pressure/zpa2326.c: In function ‘zpa2326_wait_oneshot_completion’:
drivers/iio/pressure/zpa2326.c:868: warning: ‘ret’ may be used uninitialized in this function
When testing for "timeout < 0", timeout is already guaranteed to be
strict negative, so the branch is always taken, and ret is thus always
initialized. But (some version of) gcc is not smart enough to notice.
Remove the check to fix this.
As there is no other code in between assigning the error codes and
returning them, the error codes can be returned immediately, and the
intermediate variable can be dropped.
Drop the "else" to please checkpatch.
Fixes: e7215fe4d51e69c9 ("iio: pressure: zpa2326: report interrupted case as failure")
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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The equivalent of both of these are now done via macro magic when
the relevant register calls are made. The actual structure
elements will shortly go away.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Lars-Peter Clausen <lars@metafoo.de>
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Add newlines to the macro definitions and use a more common style.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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If the timeout-case prints a warning message then probably the interrupted
case should also. Further, wait_for_completion_interruptible_timeout()
returns long not int.
Fixes: commit 03b262f2bbf4 ("iio:pressure: initial zpa2326 barometer support")
Signed-off-by: Nicholas Mc Guire <der.herr@hofr.at>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The following Coccinelle script was used to detect this:
@r@
expression x;
void* e;
type T;
identifier f;
@@
(
*((T *)e)
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((T *)x)[...]
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((T*)x)->f
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- (T*)
e
)
Signed-off-by: simran singhal <singhalsimran0@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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The -Wempty-body gcc warning triggers in the newly added zpa2326 driver:
drivers/iio/pressure/zpa2326.c: In function 'zpa2326_dequeue_pressure':
drivers/iio/pressure/zpa2326.c:578:3: error: suggest braces around empty body in an 'if' statement [-Werror=empty-body]
The use of an empty statement behind 'if (...)' is harmless here, but
it shows that the dev_dbg() macro is not used correctly: when the "DEBUG"
macro is not set, dev_dbg() already defaults to a no-operation, though
one that lets the compiler know that the arguments are used, and lets
it check the format string.
Fixing this also simplifies the driver.
Fixes: 03b262f2bbf4 ("iio:pressure: initial zpa2326 barometer support")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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Introduce driver for Murata ZPA2326 pressure and temperature sensor:
http://www.murata.com/en-us/products/productdetail?partno=ZPA2326-0311A-R
Signed-off-by: Gregor Boirie <gregor.boirie@parrot.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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