ide-tape: use drive->pc_callback instead of pc->callback

The if-else block in the IRQ handler is only temporary so that bisect searches
don't break and it'll be removed after converting the remainder of the drivers.

There should be no functionality change resulting from this patch.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-atapi.c

@@ -31,7 +31,7 @@ ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc,
 	debug_log("Enter %s - interrupt handler\n", __func__);
 
 	if (pc->flags & PC_FLAG_TIMEDOUT) {
-		if (drive->media == ide_floppy)
+		if (drive->media == ide_floppy || drive->media == ide_tape)
 			drive->pc_callback(drive);
 		else
 			pc->callback(drive);
@@ -100,7 +100,7 @@ cmd_finished:
 			return ide_stopped;
 		}
 		/* Command finished - Call the callback function */
-		if (drive->media == ide_floppy)
+		if (drive->media == ide_floppy || drive->media == ide_tape)
 			drive->pc_callback(drive);
 		else
 			pc->callback(drive);

drivers/ide/ide-tape.c

@@ -689,7 +689,6 @@ static void idetape_init_pc(struct ide_atapi_pc *pc)
 	pc->buf_size = IDETAPE_PC_BUFFER_SIZE;
 	pc->bh = NULL;
 	pc->b_data = NULL;
-	pc->callback = ide_tape_callback;
 }
 
 static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc)
@@ -886,7 +885,7 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive,
 			pc->error = IDETAPE_ERROR_GENERAL;
 		}
 		tape->failed_pc = NULL;
-		pc->callback(drive);
+		drive->pc_callback(drive);
 		return ide_stopped;
 	}
 	debug_log(DBG_SENSE, "Retry #%d, cmd = %02X\n", pc->retries, pc->c[0]);
@@ -948,7 +947,7 @@ static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive)
 		pc->error = IDETAPE_ERROR_GENERAL;
 		tape->failed_pc = NULL;
 	}
-	pc->callback(drive);
+	drive->pc_callback(drive);
 	return ide_stopped;
 }
 
@@ -2465,6 +2464,8 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
 	u8 gcw[2];
 	u16 *ctl = (u16 *)&tape->caps[12];
 
+	drive->pc_callback = ide_tape_callback;
+
 	spin_lock_init(&tape->lock);
 	drive->dsc_overlap = 1;
 	if (drive->hwif->host_flags & IDE_HFLAG_NO_DSC) {