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ryan_chen 3af9be5f5c i2c: aspeed: Avoid i2c interrupt status clear race condition. 
commit c926c87b8e upstream.

In AST2600 there have a slow peripheral bus between CPU and i2c
controller. Therefore GIC i2c interrupt status clear have delay timing,
when CPU issue write clear i2c controller interrupt status. To avoid
this issue, the driver need have read after write clear at i2c ISR.

Fixes: f327c686d3 ("i2c: aspeed: added driver for Aspeed I2C")
Signed-off-by: ryan_chen <ryan_chen@aspeedtech.com>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[wsa: added Fixes tag]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2020-05-06 08:15:15 +02:00
arch
ARM: dts: imx6qdl-sr-som-ti: indicate powering off wifi is safe
2020-05-06 08:15:10 +02:00
block
blk-mq: Put driver tag in blk_mq_dispatch_rq_list() when no budget
2020-05-02 08:48:59 +02:00
certs
PKCS#7: Refactor verify_pkcs7_signature()
2019-08-05 18:40:18 -04:00
crypto
crypto: rng - Fix a refcounting bug in crypto_rng_reset()
2020-04-17 10:50:16 +02:00
Documentation
USB: hub: Revert commit bd0e6c9614 ("usb: hub: try old enumeration scheme first for high speed devices")
2020-04-29 16:33:14 +02:00
drivers
i2c: aspeed: Avoid i2c interrupt status clear race condition.
2020-05-06 08:15:15 +02:00
fs
dlmfs_file_write(): fix the bogosity in handling non-zero *ppos
2020-05-06 08:15:09 +02:00
include
NFSv4.1: fix handling of backchannel binding in BIND_CONN_TO_SESSION
2020-05-06 08:15:05 +02:00
init
printk: queue wake_up_klogd irq_work only if per-CPU areas are ready
2020-05-02 08:48:42 +02:00
ipc
ipc/util.c: sysvipc_find_ipc() should increase position index
2020-04-29 16:33:00 +02:00
kernel
PM: hibernate: Freeze kernel threads in software_resume()
2020-05-06 08:15:09 +02:00
lib
lib/raid6/test: fix build on distros whose /bin/sh is not bash
2020-04-29 16:33:00 +02:00
LICENSES
LICENSES: Rename other to deprecated
2019-05-03 06:34:32 -06:00
mm
mm: shmem: disable interrupt when acquiring info->lock in userfaultfd_copy path
2020-05-02 08:48:54 +02:00
net
net: use indirect call wrappers for skb_copy_datagram_iter()
2020-05-02 08:49:00 +02:00
samples
vmalloc: fix remap_vmalloc_range() bounds checks
2020-04-29 16:33:14 +02:00
scripts
kbuild: fix DT binding schema rule again to avoid needless rebuilds
2020-05-02 08:48:42 +02:00
security
KEYS: Avoid false positive ENOMEM error on key read
2020-04-29 16:33:11 +02:00
sound
ALSA: pcm: oss: Place the plugin buffer overflow checks correctly
2020-05-06 08:15:08 +02:00
tools
objtool: Support Clang non-section symbols in ORC dump
2020-05-02 08:48:57 +02:00
usr
initramfs: restore default compression behavior
2020-04-08 09:08:38 +02:00
virt
KVM: Check for a bad hva before dropping into the ghc slow path
2020-03-05 16:43:48 +01:00
.clang-format
clang-format: Update with the latest for_each macro list
2019-08-31 10:00:51 +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: set git diff driver for C source code files
2016-10-07 18:46:30 -07:00
.gitignore
Merge tag 'modules-for-v5.4' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux
2019-09-22 10:34:46 -07:00
.mailmap
Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2019-11-10 13:41:59 -08:00
COPYING
COPYING: use the new text with points to the license files
2018-03-23 12:41:45 -06:00
CREDITS
MAINTAINERS: Remove Simon as Renesas SoC Co-Maintainer
2019-10-10 08:12:51 -07:00
Kbuild
kbuild: do not descend to ./Kbuild when cleaning
2019-08-21 21:03:58 +09:00
Kconfig
docs: kbuild: convert docs to ReST and rename to *.rst
2019-06-14 14:21:21 -06:00
MAINTAINERS
MAINTAINERS: Update drm/i915 bug filing URL
2020-02-28 17:22:19 +01:00
Makefile
Linux 5.4.38
2020-05-02 17:26:50 +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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