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authorSarah Sharp <sarah.a.sharp@linux.intel.com>2009-08-07 14:04:46 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2009-09-23 06:46:17 -0700
commit47aded8ade9fee6779b121b2b156235f261239d7 (patch)
tree601dc3cd6abf84b84f224bf6fd48a38d341c2083 /fs/block_dev.c
parentf2217e8edd95b0428d8123d426e0097a5e955f9f (diff)
USB: xhci: Set correct max packet size for HS/FS control endpoints.
Set the max packet size for the default control endpoint on high speed devices to be 64 bytes. High speed devices always have a max packet size of 64 bytes. There's no use setting it to eight for the initial 8 byte descriptor fetch and then issuing (and waiting for) an evaluate context command to update it to 64 bytes for the subsequent control transfers. The USB core guesses that the max packet size on a full speed control endpoint is 64 bytes, and then updates it after the first 8-byte descriptor fetch. Change the initial setup for the xHCI internal representation of the full speed device to have a 64 byte max packet size. Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'fs/block_dev.c')
0 files changed, 0 insertions, 0 deletions