ide-{floppy,tape}: merge pc->idefloppy_callback and pc->idetape_callback

Merge pc->idefloppy_callback and pc->idetape_callback into pc->callback.

There should be no functional changes caused by this patch.

Cc: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 88d26ef..ce9b6d3 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -687,7 +687,7 @@
 	pc->buf_size = IDETAPE_PC_BUFFER_SIZE;
 	pc->bh = NULL;
 	pc->b_data = NULL;
-	pc->idetape_callback = ide_tape_callback;
+	pc->callback = ide_tape_callback;
 }
 
 static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc)
@@ -841,7 +841,7 @@
 		if (tape->failed_pc == pc)
 			tape->failed_pc = NULL;
 		/* Command finished - Call the callback function */
-		pc->idetape_callback(drive);
+		pc->callback(drive);
 		return ide_stopped;
 	}
 
@@ -1034,7 +1034,7 @@
 			pc->error = IDETAPE_ERROR_GENERAL;
 		}
 		tape->failed_pc = NULL;
-		pc->idetape_callback(drive);
+		pc->callback(drive);
 		return ide_stopped;
 	}
 	debug_log(DBG_SENSE, "Retry #%d, cmd = %02X\n", pc->retries, pc->c[0]);
@@ -1120,7 +1120,7 @@
 		pc->error = IDETAPE_ERROR_GENERAL;
 		tape->failed_pc = NULL;
 	}
-	pc->idetape_callback(drive);
+	pc->callback(drive);
 	return ide_stopped;
 }