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[PATCH] ahci: enable prefetching for PACKET commands
authorTejun Heo <htejun@gmail.com>
Sun, 12 Mar 2006 02:25:27 +0000 (11:25 +0900)
committerJeff Garzik <jeff@garzik.org>
Sun, 12 Mar 2006 02:48:53 +0000 (21:48 -0500)
Turn on AHCI_CMD_PREFETCH for PACKET commands.  This hints the
controller that it can prefetch the CDB and the PRD entries.  This
patch is originally from Jeff Garzik.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

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