ide: remove REQ_TYPE_ATA_TASK

Based on the earlier work by Tejun Heo.

All users are gone so we can finally remove it.

Cc: Tejun Heo <htejun@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

3 files changed, 2 insertions, 27 deletions

diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c
index 73e021267f3b..d36df77c7519 100644
--- a/drivers/ide/ide-io.c
+++ b/drivers/ide/ide-io.c
@@ -332,22 +332,6 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err)
                         args[1] = err;
                         args[2] = hwif->INB(IDE_NSECTOR_REG);
                 }
-        } else if (rq->cmd_type == REQ_TYPE_ATA_TASK) {
-                u8 *args = (u8 *) rq->buffer;
-                if (rq->errors == 0)
-                        rq->errors = !OK_STAT(stat,READY_STAT,BAD_STAT);
-
-                if (args) {
-                        args[0] = stat;
-                        args[1] = err;
-                        /* be sure we're looking at the low order bits */
-                        hwif->OUTB(drive->ctl & ~0x80, IDE_CONTROL_REG);
-                        args[2] = hwif->INB(IDE_NSECTOR_REG);
-                        args[3] = hwif->INB(IDE_SECTOR_REG);
-                        args[4] = hwif->INB(IDE_LCYL_REG);
-                        args[5] = hwif->INB(IDE_HCYL_REG);
-                        args[6] = hwif->INB(IDE_SELECT_REG);
-                }
         } else if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
                 ide_task_t *args = (ide_task_t *) rq->special;
                 if (rq->errors == 0)
@@ -877,13 +861,7 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive,
                 goto done;
 
         memset(&ltask, 0, sizeof(ltask));
-        if (rq->cmd_type == REQ_TYPE_ATA_TASK) {
-#ifdef DEBUG
-                printk("%s: DRIVE_TASK_CMD\n", drive->name);
-#endif
-                memcpy(&ltask.tf_array[7], &args[1], 6);
-                ltask.tf_flags = IDE_TFLAG_OUT_TF | IDE_TFLAG_OUT_DEVICE;
-        } else { /* rq->cmd_type == REQ_TYPE_ATA_CMD */
+        if (rq->cmd_type == REQ_TYPE_ATA_CMD) {
 #ifdef DEBUG
                 printk("%s: DRIVE_CMD\n", drive->name);
 #endif
@@ -1011,7 +989,6 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq)
                         ide_config_drive_speed(drive, drive->desired_speed);
 
                 if (rq->cmd_type == REQ_TYPE_ATA_CMD ||
-                    rq->cmd_type == REQ_TYPE_ATA_TASK ||
                     rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
                         return execute_drive_cmd(drive, rq);
                 else if (blk_pm_request(rq)) {
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 6dbf2af0d215..3bae2c46924f 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -458,8 +458,7 @@ static void ide_dump_opcode(ide_drive_t *drive)
         spin_unlock(&ide_lock);
         if (!rq)
                 return;
-        if (rq->cmd_type == REQ_TYPE_ATA_CMD ||
-            rq->cmd_type == REQ_TYPE_ATA_TASK) {
+        if (rq->cmd_type == REQ_TYPE_ATA_CMD) {
                 char *args = rq->buffer;
                 if (args) {
                         opcode = args[0];
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index d18ee67b40f8..40ee1706caa3 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -144,7 +144,6 @@ enum rq_cmd_type_bits {
          * private REQ_LB opcodes to differentiate what type of request this is
          */
         REQ_TYPE_ATA_CMD,
-        REQ_TYPE_ATA_TASK,
         REQ_TYPE_ATA_TASKFILE,
         REQ_TYPE_ATA_PC,
 };