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_gpio.c b/drivers/spi/spi_gpio.c
index f5ed972..d2866c2 100644
--- a/drivers/spi/spi_gpio.c
+++ b/drivers/spi/spi_gpio.c
@@ -191,7 +191,7 @@
 		return -EINVAL;
 
 	if (!spi->controller_state) {
-		status = gpio_request(cs, spi->dev.bus_id);
+		status = gpio_request(cs, dev_name(&spi->dev));
 		if (status)
 			return status;
 		status = gpio_direction_output(cs, spi->mode & SPI_CS_HIGH);