swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
Revision 6bac9bc273cdab6157ad7a2ead09400aabfc445b authored by Wolfram Sang on 24 April 2019, 16:16:32 UTC, committed by Wolfram Sang on 02 May 2019, 16:26:48 UTC
There are two problems with dev_err() here. One: It is not ratelimited.
Two: We don't see which driver tried to transfer something with a
suspended adapter. Switch to dev_WARN_ONCE to fix both issues. Drawback
is that we don't see if multiple drivers are trying to transfer while
suspended. They need to be discovered one after the other now. This is
better than a high CPU load because a really broken driver might try to
resend endlessly.

Link: https://bugs.archlinux.org/task/62391
Fixes: 275154155538 ("i2c: designware: Do not allow i2c_dw_xfer() calls while suspended")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reported-by: skidnik <skidnik@gmail.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Tested-by: skidnik <skidnik@gmail.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
1 parent d386bb9
History
Tip revision: d1221cea11fca0f6946bdd032a45b22cecfc0f99 authored by Linus Torvalds on 13 September 2022, 13:11:38 UTC
Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Tip revision: d1221ce
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.clang-format -rw-r--r-- 14.6 KB
.cocciconfig -rw-r--r-- 59 bytes
.get_maintainer.ignore -rw-r--r-- 31 bytes
.gitattributes -rw-r--r-- 30 bytes
.gitignore -rw-r--r-- 1.5 KB
.mailmap -rw-r--r-- 11.0 KB
COPYING -rw-r--r-- 423 bytes
CREDITS -rw-r--r-- 96.9 KB
Kbuild -rw-r--r-- 1.5 KB
Kconfig -rw-r--r-- 563 bytes
MAINTAINERS -rw-r--r-- 491.4 KB
Makefile -rw-r--r-- 58.3 KB
README -rw-r--r-- 727 bytes

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