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driver core: Set default deferred_probe_timeout back to 0.

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Since we had to effectively reverted
commit 35a672363a ("driver core: Ensure wait_for_device_probe() waits
until the deferred_probe_timeout fires") in an earlier patch, a non-zero
deferred_probe_timeout will break NFS rootfs mounting [1] again. So, set
the default back to zero until we can fix that.

[1] - https://lore.kernel.org/lkml/TYAPR01MB45443DF63B9EF29054F7C41FD8C60@TYAPR01MB4544.jpnprd01.prod.outlook.com/

Fixes: 2b28a1a84a ("driver core: Extend deferred probe timeout on driver registration")
Cc: Mark Brown <broonie@kernel.org>
Cc: Rob Herring <robh@kernel.org>
Reported-by: Nathan Chancellor <nathan@kernel.org>
Reported-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Saravana Kannan <saravanak@google.com>
Link: https://lore.kernel.org/r/20220526034609.480766-3-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Saravana Kannan 2022-06-03 13:31:38 +02:00 committed by Linus Torvalds
parent 5ee76c256e
commit 9be4cbd09d
1 changed files with 0 additions and 5 deletions
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5
drivers/base/dd.c
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@ -256,12 +256,7 @@ static int deferred_devs_show(struct seq_file *s, void *data)
}
DEFINE_SHOW_ATTRIBUTE(deferred_devs);
#ifdef CONFIG_MODULES
int driver_deferred_probe_timeout = 10;
#else
int driver_deferred_probe_timeout;
#endif
EXPORT_SYMBOL_GPL(driver_deferred_probe_timeout);
static int __init deferred_probe_timeout_setup(char *str)