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authorSarah Sharp <sarah.a.sharp@linux.intel.com>2010-05-24 13:25:21 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2010-06-04 13:16:19 -0700
commited07453fd356025cc25272629e982f5e4607632c (patch)
treec3c08950b4f98c10e67c7b317b1233e755f53f6c /drivers/char/mspec.c
parent2d62f3eea98354d61f90d6b115eecf9be5f4bdfe (diff)
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USB: xhci: Wait for host to start running.
When the run bit is set in the xHCI command register, it may take a few microseconds for the host to start running. We cannot ring any doorbells until the host is actually running, so wait until the status register says the host is running. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Reported-by: Shinya Saito <shinya.saito.sx@renesas.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/char/mspec.c')
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