From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Wed, 23 Jul 2008 17:55:51 +0000 (+0200)
Subject: ide: factor out simplex handling from ide_pci_dma_base()
X-Git-Tag: v2.6.27-rc1~854^2~50
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebb00fb55d0566bb3e81518122a57b4b3bedf1e4;p=pandora-kernel.git

ide: factor out simplex handling from ide_pci_dma_base()

* Factor out simplex handling from ide_pci_dma_base() to
  ide_pci_check_simplex().

* Set hwif->dma_base early in ->init_dma method / ide_hwif_setup_dma()
  and reset it in ide_init_port() if DMA initialization fails.

* Use ->read_sff_dma_status instead of ->INB in ide_pci_dma_base().

There should be no functional changes caused by this patch.

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