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

Cc: drzeus-mmc@drzeus.cx
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
diff --git a/drivers/mmc/host/of_mmc_spi.c b/drivers/mmc/host/of_mmc_spi.c
index fb2921f..0c44d56 100644
--- a/drivers/mmc/host/of_mmc_spi.c
+++ b/drivers/mmc/host/of_mmc_spi.c
@@ -103,7 +103,7 @@
 		if (!gpio_is_valid(oms->gpios[i]))
 			continue;
 
-		ret = gpio_request(oms->gpios[i], dev->bus_id);
+		ret = gpio_request(oms->gpios[i], dev_name(dev));
 		if (ret < 0) {
 			oms->gpios[i] = -EINVAL;
 			continue;