usb: hub: Don't wait for connect state at resume for powered-off ports
authorDominik Bozek <dominikx.bozek@intel.com>
Fri, 13 Apr 2018 17:42:31 +0000 (10:42 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 3 Aug 2018 05:55:25 +0000 (07:55 +0200)
commit399e549fe55d4591883eb7b3dc254832fb09773e
tree2ff19a490aaabfbfda499b2ca5a192e72bdf37ec
parenteac904dd39f4c69b7c9119444ab34c21d88cc1e5
usb: hub: Don't wait for connect state at resume for powered-off ports

[ Upstream commit 5d111f5190848d6fb1c414dc57797efea3526a2f ]

wait_for_connected() wait till a port change status to
USB_PORT_STAT_CONNECTION, but this is not possible if
the port is unpowered. The loop will only exit at timeout.

Such case take place if an over-current incident happen
while system is in S3. Then during resume wait_for_connected()
will wait 2s, which may be noticeable by the user.

Signed-off-by: Dominik Bozek <dominikx.bozek@intel.com>
Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/core/hub.c