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Sascha Hauer 19c26d90ff gpio: mvebu: Fix probing for chips without PWM 
The PWM iomem resource is optional and its presence indicates whether
the GPIO chip has a PWM or not, which is why mvebu_pwm_probe() returned
successfully when the PWM resource was not present. With f51b18d92b
the driver switched to devm_platform_ioremap_resource_byname() and
its error return is propagated to the caller, so now a missing PWM resource
leads to a probe error in the driver.

To fix this explicitly test for the presence of the PWM resource and
return successfully when it's not there. Do this check before the check
for the clock is done (which GPIO chips without a PWM do not have). Also
move the existing comment why the PWM resource is optional up to the
actual check.

Fixes: f51b18d92b ("gpio: mvebu: use devm_platform_ioremap_resource_byname()")
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
 		2020-04-24 08:31:50 +02:00
Documentation hwmon fixes for v5.7-rc2 2020-04-18 13:28:09 -07:00
LICENSES LICENSES: Rename other to deprecated 2019-05-03 06:34:32 -06:00
arch A set of fixes for x86 and objtool: 2020-04-19 11:58:32 -07:00
block blk-wbt: Use tracepoint_string() for wbt_step tracepoint string literals 2020-04-17 08:21:44 -06:00
certs .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
crypto x86: update AS_* macros to binutils >=2.23, supporting ADX and AVX2 2020-04-09 00:12:48 +09:00
drivers gpio: mvebu: Fix probing for chips without PWM 2020-04-24 08:31:50 +02:00
fs An update for the proc interface of time namespaces: Use symbolic names 2020-04-19 11:46:21 -07:00
include A set of fixes/updates for the interrupt subsystem: 2020-04-19 11:23:33 -07:00
init Kbuild updates for v5.7 (2nd) 2020-04-11 09:46:12 -07:00
ipc ipc/util.c: sysvipc_find_ipc() should increase position index 2020-04-10 15:36:22 -07:00
kernel An update for the proc interface of time namespaces: Use symbolic names 2020-04-19 11:46:21 -07:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-04-16 14:52:29 -07:00
mm mm: Fix MREMAP_DONTUNMAP accounting on VMA merge 2020-04-19 14:07:10 -07:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-04-16 14:52:29 -07:00
samples samples/hw_breakpoint: drop use of kallsyms_lookup_name() 2020-04-07 10:43:44 -07:00
scripts A handful of fixes for reasonably obnoxious documentation issues. 2020-04-17 13:10:50 -07:00
security selinux/stable-5.7 PR 20200416 2020-04-16 10:45:47 -07:00
sound sound fixes for 5.7-rc2 2020-04-17 09:48:50 -07:00
tools A set of fixes for x86 and objtool: 2020-04-19 11:58:32 -07:00
usr kbuild: fix comment about missing include guard detection 2020-04-11 12:09:48 +09:00
virt KVM: Pass kvm_init()'s opaque param to additional arch funcs 2020-03-31 10:48:03 -04:00
.clang-format clang-format: Update with the latest for_each macro list 2020-03-06 21:50:05 +01:00
.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 .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
.mailmap mailmap: Add Sedat Dilek (replacement for expired email address) 2020-04-11 09:28:34 -07:00
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 SCSI fixes on 20200418 2020-04-18 14:03:12 -07:00
Makefile Linux 5.7-rc2 2020-04-19 14:35:30 -07:00
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.