diff options
| -rw-r--r-- | drivers/ide/ide-io.c | 98 | ||||
| -rw-r--r-- | drivers/ide/ide-lib.c | 25 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 1 |
3 files changed, 11 insertions, 113 deletions
diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index cad057d25a2..6f8f544392a 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -354,7 +354,6 @@ void ide_tf_read(ide_drive_t *drive, ide_task_t *task) void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err) { - ide_hwif_t *hwif = HWIF(drive); unsigned long flags; struct request *rq; @@ -362,19 +361,7 @@ void ide_end_drive_cmd (ide_drive_t *drive, u8 stat, u8 err) rq = HWGROUP(drive)->rq; spin_unlock_irqrestore(&ide_lock, flags); - if (rq->cmd_type == REQ_TYPE_ATA_CMD) { - 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); - } - } else if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) { + if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) { ide_task_t *args = (ide_task_t *) rq->special; if (rq->errors == 0) rq->errors = !OK_STAT(stat,READY_STAT,BAD_STAT); @@ -624,48 +611,6 @@ ide_startstop_t ide_abort(ide_drive_t *drive, const char *msg) return __ide_abort(drive, rq); } -/** - * drive_cmd_intr - drive command completion interrupt - * @drive: drive the completion interrupt occurred on - * - * drive_cmd_intr() is invoked on completion of a special DRIVE_CMD. - * We do any necessary data reading and then wait for the drive to - * go non busy. At that point we may read the error data and complete - * the request - */ - -static ide_startstop_t drive_cmd_intr (ide_drive_t *drive) -{ - struct request *rq = HWGROUP(drive)->rq; - ide_hwif_t *hwif = HWIF(drive); - u8 *args = (u8 *)rq->buffer, pio_in = (args && args[3]) ? 1 : 0, stat; - - if (pio_in) { - u8 io_32bit = drive->io_32bit; - stat = hwif->INB(IDE_STATUS_REG); - if (!OK_STAT(stat, DRQ_STAT, BAD_R_STAT)) { - if (stat & (ERR_STAT | DRQ_STAT)) - return ide_error(drive, __FUNCTION__, stat); - ide_set_handler(drive, &drive_cmd_intr, WAIT_WORSTCASE, - NULL); - return ide_started; - } - drive->io_32bit = 0; - hwif->ata_input_data(drive, &args[4], args[3] * SECTOR_WORDS); - drive->io_32bit = io_32bit; - stat = wait_drive_not_busy(drive); - } else { - local_irq_enable_in_hardirq(); - stat = hwif->INB(IDE_STATUS_REG); - } - - if (!OK_STAT(stat, (pio_in ? 0 : READY_STAT), BAD_STAT)) - return ide_error(drive, __FUNCTION__, stat); - /* calls ide_end_drive_cmd */ - ide_end_drive_cmd(drive, stat, hwif->INB(IDE_ERROR_REG)); - return ide_stopped; -} - static void ide_tf_set_specify_cmd(ide_drive_t *drive, struct ide_taskfile *tf) { tf->nsect = drive->sect; @@ -851,16 +796,9 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive, struct request *rq) { ide_hwif_t *hwif = HWIF(drive); - u8 *args = rq->buffer; - ide_task_t ltask; - struct ide_taskfile *tf = <ask.tf; - - if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) { - ide_task_t *task = rq->special; - - if (task == NULL) - goto done; + ide_task_t *task = rq->special; + if (task) { hwif->data_phase = task->data_phase; switch (hwif->data_phase) { @@ -877,33 +815,6 @@ static ide_startstop_t execute_drive_cmd (ide_drive_t *drive, return do_rw_taskfile(drive, task); } - if (args == NULL) - goto done; - - memset(<ask, 0, sizeof(ltask)); - if (rq->cmd_type == REQ_TYPE_ATA_CMD) { -#ifdef DEBUG - printk("%s: DRIVE_CMD\n", drive->name); -#endif - tf->feature = args[2]; - if (args[0] == WIN_SMART) { - tf->nsect = args[3]; - tf->lbal = args[1]; - tf->lbam = 0x4f; - tf->lbah = 0xc2; - ltask.tf_flags = IDE_TFLAG_OUT_TF; - } else { - tf->nsect = args[1]; - ltask.tf_flags = IDE_TFLAG_OUT_FEATURE | - IDE_TFLAG_OUT_NSECT; - } - } - tf->command = args[0]; - ide_tf_load(drive, <ask); - ide_execute_command(drive, args[0], &drive_cmd_intr, WAIT_WORSTCASE, NULL); - return ide_started; - -done: /* * NULL is actually a valid way of waiting for * all current requests to be flushed from the queue. @@ -1007,8 +918,7 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) if (drive->current_speed == 0xff) ide_config_drive_speed(drive, drive->desired_speed); - if (rq->cmd_type == REQ_TYPE_ATA_CMD || - rq->cmd_type == REQ_TYPE_ATA_TASKFILE) + if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) return execute_drive_cmd(drive, rq); else if (blk_pm_request(rq)) { struct request_pm_state *pm = rq->data; diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c index a3bd8e8ed6b..9b44fbdfe41 100644 --- a/drivers/ide/ide-lib.c +++ b/drivers/ide/ide-lib.c @@ -454,8 +454,7 @@ int ide_set_xfer_rate(ide_drive_t *drive, u8 rate) static void ide_dump_opcode(ide_drive_t *drive) { struct request *rq; - u8 opcode = 0; - int found = 0; + ide_task_t *task = NULL; spin_lock(&ide_lock); rq = NULL; @@ -464,25 +463,15 @@ static void ide_dump_opcode(ide_drive_t *drive) spin_unlock(&ide_lock); if (!rq) return; - if (rq->cmd_type == REQ_TYPE_ATA_CMD) { - char *args = rq->buffer; - if (args) { - opcode = args[0]; - found = 1; - } - } else if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) { - ide_task_t *args = rq->special; - if (args) { - opcode = args->tf.command; - found = 1; - } - } + + if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) + task = rq->special; printk("ide: failed opcode was: "); - if (!found) - printk("unknown\n"); + if (task == NULL) + printk(KERN_CONT "unknown\n"); else - printk("0x%02x\n", opcode); + printk(KERN_CONT "0x%02x\n", task->tf.command); } u64 ide_get_lba_addr(struct ide_taskfile *tf, int lba48) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index bd20a4e8663..49b7a4c31a6 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -143,7 +143,6 @@ enum rq_cmd_type_bits { * use REQ_TYPE_SPECIAL and use rq->cmd[0] with the range of driver * private REQ_LB opcodes to differentiate what type of request this is */ - REQ_TYPE_ATA_CMD, REQ_TYPE_ATA_TASKFILE, REQ_TYPE_ATA_PC, }; |