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| author | Alek Du <alek.du@intel.com> | 2010-05-10 07:17:49 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-05-21 00:21:45 +0400 |
| commit | eab80de01cb398419ef3305f35abcb367c647c8b (patch) | |
| tree | 0cbf986a987df044234bba1ad0a1c6565268a4f1 /drivers/usb/host/fhci-q.c | |
| parent | 17b2765ef8db8dc00a24a9afd4646bb3decffbd2 (diff) | |
| download | linux-eab80de01cb398419ef3305f35abcb367c647c8b.tar.xz | |
USB: EHCI: clear PHCD before resuming
This is a bug fix for PHCD (phy clock disable) low power feature:
After PHCD is set, any write to PORTSC register is illegal, so when
resume ports, clear PHCD bit first.
Signed-off-by: Alek Du <alek.du@intel.com>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/fhci-q.c')
0 files changed, 0 insertions, 0 deletions