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ide: use ata_tf_protocols enums

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* Add IDE_TFLAG_MULTI_PIO taskfile flag and set it for commands
  using multi-PIO protocol.

* Use ata_tf_protocols enums instead of TASKFILE_* defines to
  denote command's protocol and then rename ->data_phase field
  to ->protocol.

* Remove no longer needed <linux/hdreg.h> includes.

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
2009-03-27 12:46:39 +01:00
parent 04d09b0e62
commit 0dfb991c69
8 changed files with 58 additions and 89 deletions
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11
drivers/ide/ide-io.c
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@@ -40,7 +40,6 @@
#include <linux/pci.h>
#include <linux/delay.h>
#include <linux/ide.h>
#include <linux/hdreg.h>
#include <linux/completion.h>
#include <linux/reboot.h>
#include <linux/cdrom.h>
@@ -220,7 +219,7 @@ static ide_startstop_t ide_disk_special(ide_drive_t *drive)
struct ide_cmd cmd;
memset(&cmd, 0, sizeof(cmd));
cmd.data_phase = TASKFILE_NO_DATA;
cmd.protocol = ATA_PROT_NODATA;
if (s->b.set_geometry) {
s->b.set_geometry = 0;
@@ -314,15 +313,9 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive,
struct ide_cmd *cmd = rq->special;
if (cmd) {
switch (cmd->data_phase) {
case TASKFILE_MULTI_OUT:
case TASKFILE_OUT:
case TASKFILE_MULTI_IN:
case TASKFILE_IN:
if (cmd->protocol == ATA_PROT_PIO) {
ide_init_sg_cmd(cmd, rq->nr_sectors);
ide_map_sg(drive, rq);
default:
break;
}
return do_rw_taskfile(drive, cmd);