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@@ -297,7 +297,7 @@ void ata_bmdma_start (struct ata_queued_cmd *qc)
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dmactl = ioread8(ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
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iowrite8(dmactl | ATA_DMA_START, ap->ioaddr.bmdma_addr + ATA_DMA_CMD);
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- /* Strictly, one may wish to issue a readb() here, to
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+ /* Strictly, one may wish to issue an ioread8() here, to
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* flush the mmio write. However, control also passes
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* to the hardware at this point, and it will interrupt
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* us when we are to resume control. So, in effect,
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@@ -307,6 +307,9 @@ void ata_bmdma_start (struct ata_queued_cmd *qc)
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* is expected, so I think it is best to not add a readb()
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* without first all the MMIO ATA cards/mobos.
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* Or maybe I'm just being paranoid.
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+ *
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+ * FIXME: The posting of this write means I/O starts are
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+ * unneccessarily delayed for MMIO
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*/
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}
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