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libata-sff: use ATAPI_{COD|IO}

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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>
This commit is contained in:
Sergei Shtylyov 2011-12-02 18:39:53 +03:00 committed by Jeff Garzik
parent 9ee4f39339
commit 002ae08448
1 changed files with 2 additions and 2 deletions
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4
drivers/ata/libata-sff.c
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@ -929,11 +929,11 @@ static void atapi_pio_bytes(struct ata_queued_cmd *qc)
bytes = (bc_hi << 8) | bc_lo;
/* shall be cleared to zero, indicating xfer of data */
if (unlikely(ireason & (1 << 0)))
if (unlikely(ireason & ATAPI_COD))
goto atapi_check;
/* make sure transfer direction matches expected */
i_write = ((ireason & (1 << 1)) == 0) ? 1 : 0;
i_write = ((ireason & ATAPI_IO) == 0) ? 1 : 0;
if (unlikely(do_write != i_write))
goto atapi_check;