tree d8a717bf0e4556a71ba71579a6d5cedfa5bad980
parent 81e8d5a34f7d2a2acbe309cfa5810a9699a63239
author Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> 1216835751 +0200
committer Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> 1216835751 +0200

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>