From: Tejun Heo <htejun@gmail.com>
Date: Sun, 2 Apr 2006 08:54:46 +0000 (+0900)
Subject: [PATCH] libata: implement ata_down_xfermask_limit()
X-Git-Tag: v2.6.18-rc1~1079^2~153
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cf176e1aa92eb2a3faea8409e841396a66413937;p=pandora-kernel.git

[PATCH] libata: implement ata_down_xfermask_limit()

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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