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Subject[PATCH 2/2] driver core: Set default deferred_probe_timeout back to 0.
Date
From: Saravana Kannan <saravanak@google.com>

Since we had to effectively reverted
commit 35a672363ab3 ("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: 2b28a1a84a0e ("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>
---
drivers/base/dd.c | 5 -----
1 file changed, 5 deletions(-)

diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 91f63cd33b12..251b5ba1b84a 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -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)
--
2.36.1
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