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yaml
---
r: 137670
b: refs/heads/master
c: 0a1248c
h: refs/heads/master
v: v3
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Bartlomiej Zolnierkiewicz committed Mar 27, 2009
1 parent 7e6d787 commit 1a506ce
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Showing 2 changed files with 18 additions and 21 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 151055ed84df7bebc77d88471302a7cd02c6e0a4
refs/heads/master: 0a1248c5a754cc8dc5b10a902d2f86b40144165c
37 changes: 17 additions & 20 deletions trunk/drivers/ide/ide-taskfile.c
Original file line number Diff line number Diff line change
Expand Up @@ -326,35 +326,28 @@ static ide_startstop_t task_pio_intr(ide_drive_t *drive)
if (write == 0) {
/* Error? */
if (stat & ATA_ERR)
return task_error(drive, cmd, __func__, stat);
goto out_err;

/* Didn't want any data? Odd. */
if ((stat & ATA_DRQ) == 0) {
/* Command all done? */
if (OK_STAT(stat, ATA_DRDY, ATA_BUSY)) {
ide_finish_cmd(drive, cmd, stat);
return ide_stopped;
}
if (OK_STAT(stat, ATA_DRDY, ATA_BUSY))
goto out_end;

/* Assume it was a spurious irq */
ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE,
NULL);

return ide_started;
goto out_wait;
}
} else {
if (!OK_STAT(stat, DRIVE_READY, drive->bad_wstat))
return task_error(drive, cmd, __func__, stat);
goto out_err;

/* Deal with unexpected ATA data phase. */
if (((stat & ATA_DRQ) == 0) ^ (cmd->nleft == 0))
return task_error(drive, cmd, __func__, stat);
goto out_err;
}

if (write && cmd->nleft == 0) {
ide_finish_cmd(drive, cmd, stat);
return ide_stopped;
}
if (write && cmd->nleft == 0)
goto out_end;

/* Still data left to transfer. */
ide_pio_datablock(drive, cmd, write);
Expand All @@ -363,15 +356,19 @@ static ide_startstop_t task_pio_intr(ide_drive_t *drive)
if (write == 0 && cmd->nleft == 0) {
stat = wait_drive_not_busy(drive);
if (!OK_STAT(stat, 0, BAD_STAT))
return task_error(drive, cmd, __func__, stat);
ide_finish_cmd(drive, cmd, stat);
return ide_stopped;
}
goto out_err;

goto out_end;
}
out_wait:
/* Still data left to transfer. */
ide_set_handler(drive, &task_pio_intr, WAIT_WORSTCASE, NULL);

return ide_started;
out_end:
ide_finish_cmd(drive, cmd, stat);
return ide_stopped;
out_err:
return task_error(drive, cmd, __func__, stat);
}

static ide_startstop_t pre_task_out_intr(ide_drive_t *drive,
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