libata: force PIO on IOMEGA ZIP 250 ATAPI
authorTejun Heo <htejun@gmail.com>
Sun, 10 Jun 2007 05:52:36 +0000 (14:52 +0900)
committerJeff Garzik <jeff@garzik.org>
Mon, 11 Jun 2007 04:52:53 +0000 (00:52 -0400)
IOMEGA ZIP 250 ATAPI claims MWDMA0 support but fails SETXFERMODE if
asked to configure itself to MWDMA0.  Force PIO.

This fixes bugzilla bug#8497.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Calvin Walton <calvin.walton@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

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