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Only return valid DMA error bits.

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sos 2003-10-20 13:45:11 +00:00
parent c0bf81d66c
commit 0468baeb3f
1 changed files with 1 additions and 1 deletions
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2
sys/dev/ata/ata-pci.c
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@ -430,7 +430,7 @@ ata_pci_dmastop(struct ata_channel *ch)
{
int error;
error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT);
error = ATA_IDX_INB(ch, ATA_BMSTAT_PORT) & ATA_BMSTAT_MASK;
ATA_IDX_OUTB(ch, ATA_BMCMD_PORT,
ATA_IDX_INB(ch, ATA_BMCMD_PORT) & ~ATA_BMCMD_START_STOP);
ATA_IDX_OUTB(ch, ATA_BMSTAT_PORT, ATA_BMSTAT_INTERRUPT | ATA_BMSTAT_ERROR);