ide: remove set_transfer()

Acked-by: NSergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: NBartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-iops.c

@@ -627,24 +627,6 @@ int ide_ata66_check (ide_drive_t *drive, ide_task_t *args)
 	return 0;
 }
 
-/*
- * Backside of HDIO_DRIVE_CMD call of SETFEATURES_XFER.
- * 1 : Safe to update drive->id DMA registers.
- * 0 : OOPs not allowed.
- */
-int set_transfer (ide_drive_t *drive, ide_task_t *args)
-{
-	if (args->tf.command == WIN_SETFEATURES &&
-	    args->tf.nsect >= XFER_SW_DMA_0 &&
-	    args->tf.feature == SETFEATURES_XFER &&
-	    (drive->id->dma_ultra ||
-	     drive->id->dma_mword ||
-	     drive->id->dma_1word))
-		return 1;
-
-	return 0;
-}
-
 #ifdef CONFIG_BLK_DEV_IDEDMA
 static u8 ide_auto_reduce_xfer (ide_drive_t *drive)
 {

drivers/ide/ide-taskfile.c

@@ -755,6 +755,7 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
 	u8 args[4], xfer_rate = 0;
 	ide_task_t tfargs;
 	struct ide_taskfile *tf = &tfargs.tf;
+	struct hd_driveid *id = drive->id;
 
 	if (NULL == (void *) arg) {
 		struct request rq;
@@ -792,7 +793,10 @@ int ide_cmd_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
 			return -ENOMEM;
 	}
 
-	if (set_transfer(drive, &tfargs)) {
+	if (tf->command == WIN_SETFEATURES &&
+	    tf->feature == SETFEATURES_XFER &&
+	    tf->nsect >= XFER_SW_DMA_0 &&
+	    (id->dma_ultra || id->dma_mword || id->dma_1word)) {
 		xfer_rate = args[1];
 		if (ide_ata66_check(drive, &tfargs))
 			goto abort;

include/linux/ide.h

@@ -991,7 +991,6 @@ extern int ide_driveid_update(ide_drive_t *);
 extern int ide_ata66_check(ide_drive_t *, ide_task_t *);
 extern int ide_config_drive_speed(ide_drive_t *, u8);
 extern u8 eighty_ninty_three (ide_drive_t *);
-extern int set_transfer(ide_drive_t *, ide_task_t *);
 extern int taskfile_lib_get_identify(ide_drive_t *drive, u8 *);
 
 extern int ide_wait_not_busy(ide_hwif_t *hwif, unsigned long timeout);