platform/chrome: cros_ec_debugfs: Set PROBE_PREFER_ASYNCHRONOUS
authorBrian Norris <briannorris@chromium.org>
Tue, 1 Nov 2022 22:22:08 +0000 (15:22 -0700)
committerTzung-Bi Shih <tzungbi@kernel.org>
Wed, 2 Nov 2022 04:28:47 +0000 (12:28 +0800)
commit692a68ad7f3c568359b9f18d966628856fd34ff3
treeefab023313bf0353229e4e6019af53bb40d20325
parentbd88b965ae8c5e46661812b620dad67bee892f78
platform/chrome: cros_ec_debugfs: Set PROBE_PREFER_ASYNCHRONOUS

This driver takes on the order of 40ms to start on some systems. It
shouldn't have many cross-device dependencies to race with, nor racy
access to shared state with other drivers, so this should be a
relatively low risk change.

This driver was pinpointed as part of a survey of top slowest initcalls
(i.e., are built in, and probing synchronously) on a lab of ChromeOS
systems.

Signed-off-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
Link: https://lore.kernel.org/r/20221101152132.v2.3.Ic9a4f378f73319da323cd55940012fa6b1de24f4@changeid
drivers/platform/chrome/cros_ec_debugfs.c