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(parent: dfb2311) | patch
sc1200: fix ->dma_base equal zero handling
authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Sat, 13 Oct 2007 15:47:53 +0000 (17:47 +0200)
committerBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Sat, 13 Oct 2007 15:47:53 +0000 (17:47 +0200)
commit88ae4d8c3829fe3d7be9b1e3ed79a37814752d61
treec9fa9df54ea0e62d719a269c16e9e5023801e60ftree | snapshot
parentdfb2311226539e0496c0a7c65ceebaaff2120a0bcommit | diff
sc1200: fix ->dma_base equal zero handling

Set hwif->atapi_dma/{ultra,mwdma}_mask and drive->autodma after checking that
->dma_base exists.  If ->dma_base is not set (== PCI BAR4 cannot be reserved)
then DMA hooks shouldn't be initialized or bad things will happen.

OTOH hwif->set_{pio,dma}_mode hooks should be set even if hwif->dma_base == 0.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
drivers/ide/pci/sc1200.c diff | blob | history
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