driver core: Avoid deferred probe due to fw_devlink_pause/resume()
authorSaravana Kannan <saravanak@google.com>
Wed, 1 Jul 2020 19:42:59 +0000 (12:42 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 10 Jul 2020 13:20:38 +0000 (15:20 +0200)
commit2451e746478a6a6e981cfa66b62b791ca93b90c8
treeb660ac8be26217ce7ce9664715d660991ff856da
parentec7bd78498f29680f536451fbdf9464e851273ed
driver core: Avoid deferred probe due to fw_devlink_pause/resume()

With the earlier patch in this series, all devices that deferred probe
due to fw_devlink_pause() will have their probes delayed till the
deferred probe thread is kicked off during late_initcall. This will also
affect all their consumers.

This delayed probing in unnecessary. So this patch just keeps track of
the devices that had their probe deferred due to fw_devlink_pause() and
attempts to probe them once during fw_devlink_resume().

Fixes: 716a7a259690 ("driver core: fw_devlink: Add support for batching fwnode parsing")
Signed-off-by: Saravana Kannan <saravanak@google.com>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20200701194259.3337652-4-saravanak@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/base/core.c
include/linux/device.h