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Carlos Song 224acec664 i2c: imx-lpi2c: directly return ISR when detect a NACK

A NACK flag in ISR means i2c bus error. In such condition,
there is no need to do read/write operation.

In this patch, i2c will check MSR_NDF, MSR_RDF and MSR_TDF
flag in turn, it's making mutually exclusive NACK/read/write.
So when a NACK is received(MSR_NDF), i2c will return ISR
directly and then stop i2c transfer.

Signed-off-by: Carlos Song <carlos.song@nxp.com>
Reviewed-by: Andi Shyti <andi.shyti@kernel.org>
Link: https://lore.kernel.org/r/20230727030347.3552992-1-carlos.song@nxp.com
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>

2023-08-08 15:36:47 +02:00

arch

Merge tag 'powerpc-6.5-5' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

2023-08-05 13:16:17 -07:00

block

Merge tag 'block-6.5-2023-07-21' of git://git.kernel.dk/linux

2023-07-22 11:05:15 -07:00

certs

KEYS: Add missing function documentation

2023-04-24 16:15:52 +03:00

crypto

crypto: algif_hash - Fix race between MORE and non-MORE sends

2023-07-08 22:48:42 +10:00

Documentation

vfs: get rid of old '->iterate' directory operation

2023-08-06 15:08:35 +02:00

drivers

i2c: imx-lpi2c: directly return ISR when detect a NACK

2023-08-08 15:36:47 +02:00

Merge tag 'v6.5-rc5.vfs.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2023-08-06 10:43:52 -07:00

include

Merge tag 'v6.5-rc5.vfs.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs

2023-08-06 10:43:52 -07:00

init

Merge tag 'kbuild-v6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2023-07-01 09:24:31 -07:00

io_uring

Merge tag 'io_uring-6.5-2023-07-28' of git://git.kernel.dk/linux

2023-07-28 10:19:44 -07:00

ipc

Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

2023-02-24 19:20:07 -08:00

kernel

Merge tag 'net-6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

2023-08-03 14:00:02 -07:00

lib

Merge tag 'bitmap-6.5-rc5' of https://github.com:/norov/linux

2023-08-02 18:10:26 -07:00

LICENSES

LICENSES: Add the copyleft-next-0.3.1 license

2022-11-08 15:44:01 +01:00

Merge tag 'mm-hotfixes-stable-2023-07-28-15-52' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

2023-07-28 17:19:52 -07:00

net

Merge tag 'ceph-for-6.5-rc5' of https://github.com/ceph/ceph-client

2023-08-04 11:29:38 -07:00

rust

rust: fix bindgen build error with UBSAN_BOUNDS_STRICT

2023-08-04 17:10:50 +02:00

samples

arm64: ftrace: Add direct call trampoline samples support

2023-07-10 17:51:54 -04:00

scripts

Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm

2023-07-30 11:19:08 -07:00

security

security: keys: perform capable check only on privileged operations

2023-07-28 18:07:41 +00:00

sound

Merge tag 'asoc-fix-v6.5-rc3' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus

2023-07-27 14:54:23 +02:00

tools

Merge tag 'hyperv-fixes-signed-20230804' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux

2023-08-04 17:16:14 -07:00

usr

initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP

2023-06-06 17:54:49 +09:00

virt

KVM: Grab a reference to KVM for VM and vCPU stats file descriptors

2023-07-29 11:05:28 -04:00

.clang-format

iommu: Add for_each_group_device()

2023-05-23 08:15:51 +02:00

.cocciconfig

scripts: add Linux .cocciconfig for coccinelle

2016-07-22 12:13:39 +02:00

.get_maintainer.ignore

get_maintainer: add Alan to .get_maintainer.ignore

2022-08-20 15:17:44 -07:00

.gitattributes

.gitattributes: set diff driver for Rust source code files

2023-05-31 17:48:25 +02:00

.gitignore

Revert ".gitignore: ignore *.cover and *.mbx"

2023-07-04 15:05:12 -07:00

.mailmap

mailmap: update remaining active codeaurora.org email addresses

2023-07-27 13:07:05 -07:00

.rustfmt.toml

rust: add .rustfmt.toml

2022-09-28 09:02:20 +02:00

COPYING

COPYING: state that all contributions really are covered by this file

2020-02-10 13:32:20 -08:00

CREDITS

Merge tag 'x86_cleanups_for_6.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2023-06-26 16:43:54 -07:00

Kbuild

Merge tag 'kbuild-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild

2022-10-10 12:00:45 -07:00

Kconfig

kbuild: ensure full rebuild when the compiler is updated

2020-05-12 13:28:33 +09:00

MAINTAINERS

Merge tag 'mtd/fixes-for-6.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux

2023-08-04 12:01:26 -07:00

Makefile

Linux 6.5-rc5

2023-08-06 15:07:51 -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.