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Marc Ferland 5ffff2b57d i2c: xiic: improve error message when transfer fails to start 
[ Upstream commit ee1691d0ae ]

xiic_start_xfer can fail for different reasons:

- EBUSY: bus is busy or i2c messages still in tx_msg or rx_msg
- ETIMEDOUT: timed-out trying to clear the RX fifo
- EINVAL: wrong clock settings

Both EINVAL and ETIMEDOUT will currently print a specific error
message followed by a generic one, for example:

    Failed to clear rx fifo
    Error xiic_start_xfer

however EBUSY will simply output the generic message:

    Error xiic_start_xfer

which is not really helpful.

This commit adds a new error message when a busy condition is detected
and also removes the generic message since it does not provide any
relevant information to the user.

Signed-off-by: Marc Ferland <marc.ferland@sonatest.com>
Acked-by: Michal Simek <michal.simek@amd.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
Stable-dep-of: 1d4a1adbed ("i2c: xiic: Try re-initialization on bus busy timeout")
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2024-10-17 15:11:22 +02:00
arch x86/entry: Remove unwanted instrumentation in common_interrupt() 2024-10-17 15:11:18 +02:00
block block: fix potential invalid pointer dereference in blk_add_partition 2024-10-17 15:10:48 +02:00
certs certs/blacklist_hashes.c: fix const confusion in certs blacklist 2022-06-22 14:22:01 +02:00
crypto crypto: xor - fix template benchmarking 2024-10-17 15:10:42 +02:00
Documentation f2fs: introduce F2FS_IPU_HONOR_OPU_WRITE ipu policy 2024-10-17 15:11:05 +02:00
drivers i2c: xiic: improve error message when transfer fails to start 2024-10-17 15:11:22 +02:00
fs ceph: remove the incorrect Fw reference check when dirtying pages 2024-10-17 15:11:19 +02:00
include netfilter: uapi: NFTA_FLOWTABLE_HOOK is NLA_NESTED 2024-10-17 15:11:20 +02:00
init init/main.c: Fix potential static_command_line memory overflow 2024-04-27 17:05:28 +02:00
io_uring io_uring/io-wq: limit retrying worker initialisation 2024-08-19 05:45:22 +02:00
ipc ipc/sem: Fix dangling sem_array access in semtimedop race 2022-12-08 11:28:45 +01:00
kernel static_call: Replace pointless WARN_ON() in static_call_module_notify() 2024-10-17 15:11:19 +02:00
lib debugobjects: Fix conditions in fill_pool() 2024-10-17 15:11:14 +02:00
LICENSES LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes" 2021-07-15 06:31:24 -06:00
mm mm: only enforce minimum stack gap size if it's sensible 2024-10-17 15:11:18 +02:00
net sctp: set sk_state back to CLOSED if autobind fails in sctp_listen_start 2024-10-17 15:11:21 +02:00
samples Add gitignore file for samples/fanotify/ subdirectory 2024-07-27 10:46:16 +02:00
scripts scripts: kconfig: merge_config: config files: add a trailing newline 2024-10-17 15:10:33 +02:00
security bpf: lsm: Set bpf_lsm_blob_sizes.lbs_task to 0 2024-10-17 15:11:18 +02:00
sound ASoC: rt5682: Return devm_of_clk_add_hw_provider to transfer the error 2024-10-17 15:11:10 +02:00
tools perf time-utils: Fix 32-bit nsec parsing 2024-10-17 15:10:59 +02:00
usr usr/include/Makefile: add linux/nfc.h to the compile-test coverage 2022-02-01 17:27:15 +01:00
virt KVM: Always flush async #PF workqueue when vCPU is being destroyed 2024-04-10 16:18:34 +02:00
.clang-format clang-format: Update with the latest for_each macro list 2021-05-12 23:32:39 +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 Remove *.orig pattern from .gitignore 2024-10-17 15:11:10 +02:00
.mailmap mailmap: add Andrej Shadura 2021-10-18 20:22:03 -10:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS MAINTAINERS: Move Daniel Drake to credits 2021-09-21 08:34:58 +03:00
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 trace: Relocate event helper files 2024-04-10 16:19:24 +02:00
Makefile Linux 5.15.167 2024-09-12 11:07:53 +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.