[PATCH] libata: implement ata_down_xfermask_limit()

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Implement ata_down_xfermask_limit().  This function manipulates
@dev->pio/mwdma/udma_mask such that the next lower transfer mode is
selected.  This will be used to improve ata_bus_probe() failure
handling and later by EH.

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

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Tejun Heo 2006-04-02 17:54:46 +09:00 • committed by Jeff Garzik

parent edbabd8679

commit cf176e1aa9

1 changed files with 52 additions and 0 deletions

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drivers/scsi/libata-core.c

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