spi: struct device - replace bus_id with dev_name(), dev_set_name()

Cc: dbrownell@users.sourceforge.net
Cc: spi-devel-general@lists.sourceforge.net
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c
index 3b97803..68c77a9 100644
--- a/drivers/spi/mpc52xx_psc_spi.c
+++ b/drivers/spi/mpc52xx_psc_spi.c
@@ -429,7 +429,7 @@
 	INIT_LIST_HEAD(&mps->queue);
 
 	mps->workqueue = create_singlethread_workqueue(
-		master->dev.parent->bus_id);
+		dev_name(master->dev.parent));
 	if (mps->workqueue == NULL) {
 		ret = -EBUSY;
 		goto free_irq;