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Chuhong Yuan a6abea0032 iio: amplifiers: ad8366: Change devm_gpiod_get() to optional and add the missed check 
[ Upstream commit 9ca39411f9 ]

Since if there is no GPIO, nothing happens, replace devm_gpiod_get()
with devm_gpiod_get_optional().
Also add IS_ERR() to fix the missing-check warning.

Fixes: cee211f4e5 ("iio: amplifiers: ad8366: Add support for the ADA4961 DGA")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Acked-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-08-19 08:23:46 +02:00
arch
x86/uaccess: Make __get_user_size() Clang compliant on 32-bit
2020-08-19 08:23:41 +02:00
block
block: don't do revalidate zones on invalid devices
2020-08-19 08:23:33 +02:00
certs
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
crypto
keys: asymmetric: fix error return code in software_key_query()
2020-07-22 09:34:11 +02:00
Documentation
iio: improve IIO_CONCENTRATION channel type description
2020-08-19 08:23:45 +02:00
drivers
iio: amplifiers: ad8366: Change devm_gpiod_get() to optional and add the missed check
2020-08-19 08:23:46 +02:00
fs
io_uring: fix stalled deferred requests
2020-08-19 08:23:42 +02:00
include
seccomp: Fix ioctl number for SECCOMP_IOCTL_NOTIF_ID_VALID
2020-08-19 08:23:32 +02:00
init
Merge tag 'x86_urgent_for_v5.7-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
2020-05-17 11:08:29 -07:00
ipc
ipc/util.c: sysvipc_find_ipc() incorrectly updates position index
2020-05-14 10:00:35 -07:00
kernel
seccomp: Fix ioctl number for SECCOMP_IOCTL_NOTIF_ID_VALID
2020-08-19 08:23:32 +02:00
lib
dyndbg: fix a BUG_ON in ddebug_describe_flags
2020-08-19 08:23:41 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm/mmap.c: Add cond_resched() for exit_mmap() CPU stalls
2020-08-19 08:23:38 +02:00
net
Bluetooth: Allow suspend even when preparation has failed
2020-08-19 08:23:45 +02:00
samples
bpf: Fix fds_example SIGSEGV error
2020-08-19 08:23:39 +02:00
scripts
scripts/selinux/mdp: fix initial SID handling
2020-08-19 08:23:32 +02:00
security
ima: move APPRAISE_BOOTPARAM dependency on ARCH_POLICY to runtime
2020-08-11 15:35:42 +02:00
sound
ALSA: hda: fix NULL pointer dereference during suspend
2020-08-11 15:35:37 +02:00
tools
seccomp: Fix ioctl number for SECCOMP_IOCTL_NOTIF_ID_VALID
2020-08-19 08:23:32 +02:00
usr
kbuild: fix comment about missing include guard detection
2020-04-11 12:09:48 +09:00
virt
KVM: arm64: Don't inherit exec permission across page-table levels
2020-08-05 09:58:51 +02:00
.clang-format
clang-format: Update with the latest for_each macro list
2020-04-18 13:49:33 +02:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
.mailmap
i2c: use my kernel.org address from now on
2020-05-05 16:29:09 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Hand MIPS over to Thomas
2020-02-24 22:43:18 -08:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
Merge branch 'akpm' (patches from Andrew)
2020-05-23 11:21:47 -07:00
Makefile
Linux 5.7.15
2020-08-11 15:35:42 +02:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -06:00

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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