libata-sff: use ATAPI_{COD|IO}
atapi_pio_bytes() uses bare numbers for the ATAPI interrupt reason bits despite these are #define'd in <linux/ata.h>. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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@ -929,11 +929,11 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc)
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bytes = (bc_hi << 8) | bc_lo;
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/* shall be cleared to zero, indicating xfer of data */
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if (unlikely(ireason & (1 << 0)))
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if (unlikely(ireason & ATAPI_COD))
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goto atapi_check;
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/* make sure transfer direction matches expected */
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i_write = ((ireason & (1 << 1)) == 0) ? 1 : 0;
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i_write = ((ireason & ATAPI_IO) == 0) ? 1 : 0;
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if (unlikely(do_write != i_write))
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goto atapi_check;
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