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ide: add struct ide_tp_ops (take 2)

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* Add struct ide_tp_ops for transport methods.

* Add 'const struct ide_tp_ops *tp_ops' to struct ide_port_info
  and ide_hwif_t.

* Set the default hwif->tp_ops in ide_init_port_data().

* Set host driver specific hwif->tp_ops in ide_init_port().

* Export ide_exec_command(), ide_read_status(), ide_read_altstatus(),
  ide_read_sff_dma_status(), ide_set_irq(), ide_tf_{load,read}()
  and ata_{in,out}put_data().

* Convert host drivers and core code to use struct ide_tp_ops.

* Remove no longer needed default_hwif_transport().

* Cleanup ide_hwif_t from methods that are now in struct ide_tp_ops.

While at it:

* Use struct ide_port_info in falconide.c and q40ide.c.

* Rename ata_{in,out}put_data() to ide_{in,out}put_data().

v2:

* Fix missing convertion in ns87415.c.

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 19:55:56 +02:00
parent d6276b5f5c
commit 374e042c3e
23 changed files with 358 additions and 225 deletions
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12
drivers/ide/ide-cd.c
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@@ -285,7 +285,7 @@ static int cdrom_decode_status(ide_drive_t *drive, int good_stat, int *stat_ret)
int stat, err, sense_key;
/* check for errors */
stat = hwif->read_status(hwif);
stat = hwif->tp_ops->read_status(hwif);
if (stat_ret)
*stat_ret = stat;
@@ -590,7 +590,7 @@ static ide_startstop_t cdrom_transfer_packet_command(ide_drive_t *drive,
cmd_len = ATAPI_MIN_CDB_BYTES;
/* send the command to the device */
hwif->output_data(drive, NULL, rq->cmd, cmd_len);
hwif->tp_ops->output_data(drive, NULL, rq->cmd, cmd_len);
/* start the DMA if need be */
if (info->dma)
@@ -627,7 +627,7 @@ static int ide_cd_check_ireason(ide_drive_t *drive, struct request *rq,
* Some drives (ASUS) seem to tell us that status info is
* available. Just get it and ignore.
*/
(void)hwif->read_status(hwif);
(void)hwif->tp_ops->read_status(hwif);
return 0;
} else {
/* drive wants a command packet, or invalid ireason... */
@@ -990,10 +990,10 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
if (ireason == 0) {
write = 1;
xferfunc = hwif->output_data;
xferfunc = hwif->tp_ops->output_data;
} else {
write = 0;
xferfunc = hwif->input_data;
xferfunc = hwif->tp_ops->input_data;
}
/* transfer data */
@@ -1200,7 +1200,7 @@ static ide_startstop_t ide_cd_do_request(ide_drive_t *drive, struct request *rq,
if (info->cd_flags & IDE_CD_FLAG_SEEKING) {
ide_hwif_t *hwif = drive->hwif;
unsigned long elapsed = jiffies - info->start_seek;
int stat = hwif->read_status(hwif);
int stat = hwif->tp_ops->read_status(hwif);
if ((stat & SEEK_STAT) != SEEK_STAT) {
if (elapsed < IDECD_SEEK_TIMEOUT) {