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/spi_txx9.c b/drivers/spi/spi_txx9.c
index 2296f37..29cbb06 100644
--- a/drivers/spi/spi_txx9.c
+++ b/drivers/spi/spi_txx9.c
@@ -404,7 +404,8 @@
 	if (ret)
 		goto exit;
 
-	c->workqueue = create_singlethread_workqueue(master->dev.parent->bus_id);
+	c->workqueue = create_singlethread_workqueue(
+				dev_name(master->dev.parent));
 	if (!c->workqueue)
 		goto exit_busy;
 	c->last_chipselect = -1;