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ide: add ide_do_start_stop() helper

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* Add ide_do_start_stop() helper and convert ide-{floppy,tape}.c
  to use it.

* Remove no longer used idefloppy_create_start_stop_cmd()
  and idetape_create_load_unload_cmd().

There should be no functional changes caused by this patch.

Acked-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
2008-10-10 22:39:39 +02:00
parent 0578042db3
commit 0c8a6c7aea
4 changed files with 24 additions and 35 deletions
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24
drivers/ide/ide-tape.c
View File

@@ -1125,15 +1125,6 @@ static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc)
pc->c[0] = TEST_UNIT_READY;
}
static void idetape_create_load_unload_cmd(ide_drive_t *drive,
struct ide_atapi_pc *pc, int cmd)
{
ide_init_pc(pc);
pc->c[0] = START_STOP;
pc->c[4] = cmd;
pc->flags |= PC_FLAG_WAIT_FOR_DSC;
}
static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout)
{
idetape_tape_t *tape = drive->driver_data;
@@ -1153,9 +1144,7 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout)
/* no media */
if (load_attempted)
return -ENOMEDIUM;
idetape_create_load_unload_cmd(drive, &pc,
IDETAPE_LU_LOAD_MASK);
ide_queue_pc_tail(drive, disk, &pc);
ide_do_start_stop(drive, disk, IDETAPE_LU_LOAD_MASK);
load_attempted = 1;
/* not about to be ready */
} else if (!(tape->sense_key == 2 && tape->asc == 4 &&
@@ -1836,9 +1825,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
return 0;
case MTLOAD:
ide_tape_discard_merge_buffer(drive, 0);
idetape_create_load_unload_cmd(drive, &pc,
IDETAPE_LU_LOAD_MASK);
return ide_queue_pc_tail(drive, disk, &pc);
return ide_do_start_stop(drive, disk, IDETAPE_LU_LOAD_MASK);
case MTUNLOAD:
case MTOFFL:
/*
@@ -1850,9 +1837,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
tape->door_locked = DOOR_UNLOCKED;
}
ide_tape_discard_merge_buffer(drive, 0);
idetape_create_load_unload_cmd(drive, &pc,
!IDETAPE_LU_LOAD_MASK);
retval = ide_queue_pc_tail(drive, disk, &pc);
retval = ide_do_start_stop(drive, disk, !IDETAPE_LU_LOAD_MASK);
if (!retval)
clear_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags);
return retval;
@@ -1861,9 +1846,8 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
return idetape_flush_tape_buffers(drive);
case MTRETEN:
ide_tape_discard_merge_buffer(drive, 0);
idetape_create_load_unload_cmd(drive, &pc,
return ide_do_start_stop(drive, disk,
IDETAPE_LU_RETENSION_MASK | IDETAPE_LU_LOAD_MASK);
return ide_queue_pc_tail(drive, disk, &pc);
case MTEOM:
idetape_create_space_cmd(&pc, 0, IDETAPE_SPACE_TO_EOD);
return ide_queue_pc_tail(drive, disk, &pc);