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Finetune last commit, we need to take care of empty channels.

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This commit is contained in:
Søren Schmidt 2003-12-10 23:06:24 +00:00
parent ba3fa22e8c
commit b9e240face
1 changed files with 7 additions and 3 deletions
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10
sys/dev/ata/ata-lowlevel.c
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@ -606,10 +606,14 @@ ata_reset(struct ata_channel *ch)
if (mask == 0x02) /* wait for slave only */
if (!(stat1 & ATA_S_BUSY) || (stat1 == 0xff && timeout > 20))
break;
if (mask == 0x03) /* wait for both master & slave */
if ((!(stat0 & ATA_S_BUSY) || (stat0 == 0xff && timeout > 20)) &&
(!(stat1 & ATA_S_BUSY) || (stat1 == 0xff && timeout > 20)))
if (mask == 0x03) { /* wait for both master & slave */
if (!(stat0 & ATA_S_BUSY) && !(stat1 & ATA_S_BUSY))
break;
if (stat0 == 0xff && timeout > 20)
mask &= ~0x01;
if (stat1 == 0xff && timeout > 20)
mask &= ~0x02;
}
DELAY(100000);
}