]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ide/ide-tape.c
ide: move IDE{FLOPPY,TAPE}_WAIT_CMD defines to <linux/ide.h>
[linux-2.6-omap-h63xx.git] / drivers / ide / ide-tape.c
index b7f3eebc0d15766917f5455ecc4c35760975ad2b..25190966ed3924cdffde757aa13e730d2d0afd7e 100644 (file)
@@ -80,13 +80,6 @@ enum {
  */
 #define IDETAPE_MAX_PC_RETRIES         3
 
-/*
- * Some drives (for example, Seagate STT3401A Travan) require a very long
- * timeout, because they don't return an interrupt or clear their busy bit
- * until after the command completes (even retension commands).
- */
-#define IDETAPE_WAIT_CMD               (900*HZ)
-
 /*
  * The following parameter is used to select the point in the internal tape fifo
  * in which we will start to refill the buffer. Decreasing the following
@@ -663,7 +656,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive)
 {
        idetape_tape_t *tape = drive->driver_data;
 
-       return ide_pc_intr(drive, tape->pc, idetape_pc_intr, IDETAPE_WAIT_CMD,
+       return ide_pc_intr(drive, tape->pc, idetape_pc_intr, WAIT_TAPE_CMD,
                           NULL, idetape_update_buffers, idetape_retry_pc,
                           ide_tape_handle_dsc, ide_tape_io_buffers);
 }
@@ -709,7 +702,7 @@ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive)
        idetape_tape_t *tape = drive->driver_data;
 
        return ide_transfer_pc(drive, tape->pc, idetape_pc_intr,
-                              IDETAPE_WAIT_CMD, NULL);
+                              WAIT_TAPE_CMD, NULL);
 }
 
 static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
@@ -758,7 +751,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
        pc->retries++;
 
        return ide_issue_pc(drive, pc, idetape_transfer_pc,
-                           IDETAPE_WAIT_CMD, NULL);
+                           WAIT_TAPE_CMD, NULL);
 }
 
 /* A mode sense command is used to "sense" tape parameters. */
@@ -1119,43 +1112,24 @@ static void idetape_create_write_filemark_cmd(ide_drive_t *drive,
        pc->flags |= PC_FLAG_WAIT_FOR_DSC;
 }
 
-static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc)
-{
-       ide_init_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;
        struct gendisk *disk = tape->disk;
-       struct ide_atapi_pc pc;
        int load_attempted = 0;
 
        /* Wait for the tape to become ready */
        set_bit(IDE_AFLAG_MEDIUM_PRESENT, &drive->atapi_flags);
        timeout += jiffies;
        while (time_before(jiffies, timeout)) {
-               idetape_create_test_unit_ready_cmd(&pc);
-               if (!ide_queue_pc_tail(drive, disk, &pc))
+               if (ide_do_test_unit_ready(drive, disk) == 0)
                        return 0;
                if ((tape->sense_key == 2 && tape->asc == 4 && tape->ascq == 2)
                    || (tape->asc == 0x3A)) {
                        /* 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 +1810,7 @@ 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 +1822,7 @@ 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 +1831,8 @@ 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);