From: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Date: Sat, 5 May 2007 20:03:49 +0000 (+0200)
Subject: sl82c105: DMA support code cleanup (take 4)
X-Git-Tag: v2.6.22-rc1~1030
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=688a87d145e04f6761c63e7f2e19fd9b3e4ca060;p=pandora-kernel.git

sl82c105: DMA support code cleanup (take 4)

Fold the now equivalent code in the ide_dma_check() method into a mere call to
ide_use_dma().  Make config_for_dma() return non-zero if DMA mode has been set
and call it from the ide_dma_check() method instead of ide_dma_on().
Defer writing the DMA timings to the chip registers until DMA is really turned
on (and do not enable IORDY for DMA).
Remove unneeded code from the init_hwif() method, improve its overall looks.
Rename the dma_start(), ide_dma_check(), and ide_dma_lostirq() methods, and
also use more proper hwif->dma_command, fix printk() and comment in the latter
one as well.  While at it, cleanup style in several places.

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