From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Sat, 5 May 2007 20:03:50 +0000 (+0200)
Subject: cmd64x: use interrupt status from MRDMODE register (take 2)
X-Git-Tag: v2.6.22-rc1~1025
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=66602c83dcb6a5d82772d88ae7a32cd4a1213528;p=pandora-kernel.git

cmd64x: use interrupt status from MRDMODE register (take 2)

Fold the parts of the ide_dma_end() methods identical to __ide_dma_end() into a
mere call to it.
Start using faster versions of the ide_dma_end() and ide_dma_test_irq() methods
for the PCI0646U and newer chips that have the duplicate interrupt status bits
in the I/O mapped MRDMODE register, determing what methods to use at the driver
load time. Do some cleanup/renaming in the "old" ide_dma_test_irq() method too.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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