USB: ehci: disable LPM and PPCD for nVidia MCP89 chips
authorBrian J. Tarricone <brian@tarricone.org>
Mon, 22 Nov 2010 05:15:52 +0000 (21:15 -0800)
committerGreg Kroah-Hartman <gregkh@suse.de>
Tue, 30 Nov 2010 18:27:36 +0000 (10:27 -0800)
commita85b4e7f4481c5a1ca89fa63c9c871151965075e
treed1fe4dfa047f584ea13a526ced58d05802da68f5
parent6fdbad8021151a9e93af8159a6232c8f26415c09
USB: ehci: disable LPM and PPCD for nVidia MCP89 chips

Tested on MacBookAir3,1.  Without this, we get EPROTO errors when
fetching device config descriptors.

Signed-off-by: Brian Tarricone <brian@tarricone.org>
Reported-by: Benoit Gschwind <gschwind@gnu-log.net>
Tested-by: Edgar Hucek <gimli@dark-green.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/usb/host/ehci-pci.c