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Jonathan Cameron 9f11de5601 iio: dac: ad5624r: Fix incorrect handling of an optional regulator.
[ Upstream commit 97683c851f ]

The naming of the regulator is problematic.  VCC is usually a supply
voltage whereas these devices have a separate VREF pin.

Secondly, the regulator core might have provided a stub regulator if
a real regulator wasn't provided. That would in turn have failed to
provide a voltage when queried. So reality was that there was no way
to use the internal reference.

In order to avoid breaking any dts out in the wild, make sure to fallback
to the original vcc naming if vref is not available.

Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reported-by: kernel test robot <lkp@intel.com>
Acked-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20210627163244.1090296-9-jic23@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
2021-09-18 13:40:18 +02:00
arch x86/hyperv: fix for unwanted manipulation of sched_clock when TSC marked unstable 2021-09-18 13:40:17 +02:00
block scsi: bsg: Remove support for SCSI_IOCTL_SEND_COMMAND 2021-09-18 13:40:11 +02:00
certs certs: Trigger creation of RSA module signing key if it's not an RSA key 2021-09-15 09:50:29 +02:00
crypto crypto: sm2 - fix a memory leak in sm2 2021-07-14 16:56:06 +02:00
Documentation docs: Fix infiniband uverbs minor number 2021-09-18 13:40:11 +02:00
drivers iio: dac: ad5624r: Fix incorrect handling of an optional regulator. 2021-09-18 13:40:18 +02:00
fs userfaultfd: prevent concurrent API initialization 2021-09-18 13:40:17 +02:00
include iommu/vt-d: Update the virtual command related registers 2021-09-18 13:40:14 +02:00
init sched/core: Initialize the idle task with preemption disabled 2021-07-14 16:55:50 +02:00
ipc ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry 2021-05-26 12:06:54 +02:00
kernel dma-debug: fix debugfs initialization order 2021-09-18 13:40:13 +02:00
lib lib/mpi: use kcalloc in mpi_resize 2021-09-15 09:50:29 +02:00
LICENSES LICENSES/deprecated: add Zlib license text 2020-09-16 14:33:49 +02:00
mm mm/page_alloc: speed up the iteration of max_order 2021-09-12 08:58:26 +02:00
net tipc: keep the skb in rcv queue until the whole data is read 2021-09-18 13:40:18 +02:00
samples samples: pktgen: add missing IPv6 option to pktgen scripts 2021-09-15 09:50:40 +02:00
scripts kbuild: Fix 'no symbols' warning when CONFIG_TRIM_UNUSD_KSYMS=y 2021-09-18 13:40:16 +02:00
security IMA: remove the dependency on CRYPTO_MD5 2021-09-15 09:50:48 +02:00
sound ASoC: atmel: ATMEL drivers don't need HAS_DMA 2021-09-18 13:40:17 +02:00
tools libbpf: Fix reuse of pinned map on older kernel 2021-09-18 13:40:17 +02:00
usr Merge branch 'work.fdpic' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-08-07 13:29:39 -07:00
virt KVM: Do not leak memory for duplicate debugfs directories 2021-08-12 13:22:17 +02:00
.clang-format RDMA 5.10 pull request 2020-10-17 11:18:18 -07:00
.cocciconfig
.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 kbuild: generate Module.symvers only when vmlinux exists 2021-05-19 10:12:59 +02:00
.mailmap mailmap: add two more addresses of Uwe Kleine-König 2020-12-06 10:19:07 -08:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Jason Cooper to CREDITS 2020-11-30 10:20:34 +01:00
Kbuild kbuild: rename hostprogs-y/always to hostprogs/always-y 2020-02-04 01:53:07 +09:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS f2fs: move ioctl interface definitions to separated file 2021-05-19 10:13:00 +02:00
Makefile Linux 5.10.66 2021-09-16 12:51:23 +02:00
README Drop all 00-INDEX files from Documentation/ 2018-09-09 15:08:58 -06:00

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.