]> git.ipfire.org Git - thirdparty/kernel/stable.git/commit
spi: tegra210-quad: add rate limiting and simplify timeout error message
authorBreno Leitao <leitao@debian.org>
Tue, 1 Apr 2025 13:47:50 +0000 (06:47 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 2 May 2025 05:47:07 +0000 (07:47 +0200)
commitaf1c735e21d9913c0ec6e6df9e96daaa1aedf3a0
tree02209fe5b40e1cfa75eeba67d37b3ef58d9be095
parent009847bd69ac766ebda67ac5146583a3d3cb0b49
spi: tegra210-quad: add rate limiting and simplify timeout error message

[ Upstream commit 21f4314e66ed8d40b2ee24185d1a06a07a512eb1 ]

On malfunctioning hardware, timeout error messages can appear thousands
of times, creating unnecessary system pressure and log bloat. This patch
makes two improvements:

1. Replace dev_err() with dev_err_ratelimited() to prevent log flooding
   when hardware errors persist
2. Remove the redundant timeout value parameter from the error message,
   as 'ret' is always zero in this error path

These changes reduce logging overhead while maintaining necessary error
reporting for debugging purposes.

Signed-off-by: Breno Leitao <leitao@debian.org>
Link: https://patch.msgid.link/20250401-tegra-v2-2-126c293ec047@debian.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/spi/spi-tegra210-quad.c