From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Thu, 19 Jul 2007 23:11:56 +0000 (+0200)
Subject: ide: ide_start_power_step() fix WRT disabling DMA
X-Git-Tag: v2.6.23-rc1~248^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8987d21ba6a426b0685257866ce366055930b57f;p=pandora-kernel.git

ide: ide_start_power_step() fix WRT disabling DMA

* Do the same thing as probe_hwif() and always disable DMA so chipset DMA
  enabled bit gets cleared (if the drive doesn't support DMA ide_set_dma()
  won't try to tune it anyway).

* Add TODO comment about respecting ->using_dma setting.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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