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ide: add ->read_status method

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* Remove ide_read_status() inline helper.

* Add ->read_status method for reading ATA Status register
  and use it instead of ->INB.

While at it:

* Don't use HWGROUP() macro.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-07-23 19:55:52 +02:00
parent c6dfa867bb
commit b73c7ee25d
15 changed files with 103 additions and 69 deletions
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19
drivers/ide/ide-io.c
View File

@@ -381,8 +381,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8
if (err == ABRT_ERR) {
if (drive->select.b.lba &&
/* some newer drives don't support WIN_SPECIFY */
hwif->INB(hwif->io_ports.command_addr) ==
WIN_SPECIFY)
hwif->read_status(hwif) == WIN_SPECIFY)
return ide_stopped;
} else if ((err & BAD_CRC) == BAD_CRC) {
/* UDMA crc error, just retry the operation */
@@ -408,7 +407,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, u8
return ide_stopped;
}
if (ide_read_status(drive) & (BUSY_STAT | DRQ_STAT))
if (hwif->read_status(hwif) & (BUSY_STAT | DRQ_STAT))
rq->errors |= ERROR_RESET;
if ((rq->errors & ERROR_RESET) == ERROR_RESET) {
@@ -435,7 +434,7 @@ static ide_startstop_t ide_atapi_error(ide_drive_t *drive, struct request *rq, u
/* add decoding error stuff */
}
if (ide_read_status(drive) & (BUSY_STAT | DRQ_STAT))
if (hwif->read_status(hwif) & (BUSY_STAT | DRQ_STAT))
/* force an abort */
hwif->exec_command(hwif, WIN_IDLEIMMEDIATE);
@@ -711,7 +710,8 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive,
#ifdef DEBUG
printk("%s: DRIVE_CMD (null)\n", drive->name);
#endif
ide_end_drive_cmd(drive, ide_read_status(drive), ide_read_error(drive));
ide_end_drive_cmd(drive, hwif->read_status(hwif),
ide_read_error(drive));
return ide_stopped;
}
@@ -1141,7 +1141,7 @@ static ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
printk(KERN_WARNING "%s: DMA timeout error\n", drive->name);
(void)hwif->dma_ops->dma_end(drive);
ret = ide_error(drive, "dma timeout error",
ide_read_status(drive));
hwif->read_status(hwif));
} else {
printk(KERN_WARNING "%s: DMA timeout retry\n", drive->name);
hwif->dma_ops->dma_timeout(drive);
@@ -1266,7 +1266,7 @@ void ide_timer_expiry (unsigned long data)
} else
startstop =
ide_error(drive, "irq timeout",
ide_read_status(drive));
hwif->read_status(hwif));
}
drive->service_time = jiffies - drive->service_start;
spin_lock_irq(&ide_lock);
@@ -1322,7 +1322,8 @@ static void unexpected_intr (int irq, ide_hwgroup_t *hwgroup)
*/
do {
if (hwif->irq == irq) {
stat = hwif->INB(hwif->io_ports.status_addr);
stat = hwif->read_status(hwif);
if (!OK_STAT(stat, READY_STAT, BAD_STAT)) {
/* Try to not flood the console with msgs */
static unsigned long last_msgtime, count;
@@ -1412,7 +1413,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
* Whack the status register, just in case
* we have a leftover pending IRQ.
*/
(void) hwif->INB(hwif->io_ports.status_addr);
(void)hwif->read_status(hwif);
#endif /* CONFIG_BLK_DEV_IDEPCI */
}
spin_unlock_irqrestore(&ide_lock, flags);