[PATCH v2 1/2] mmc: Check for device with a seq number equal to num before checking against index

Aswath Govindraju a-govindraju at ti.com
Thu Mar 25 08:18:47 CET 2021


First check if there is an alias for the device tree node defined with the
given num before checking against device index.

Signed-off-by: Aswath Govindraju <a-govindraju at ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla at ti.com>
Reviewed-by: Jaehoon Chung <jh80.chung at samsung.com>
---
 drivers/mmc/mmc.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index b4c8e7f293bd..1e83007286b2 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -3052,9 +3052,11 @@ int mmc_init_device(int num)
 	struct mmc *m;
 	int ret;
 
-	ret = uclass_get_device(UCLASS_MMC, num, &dev);
-	if (ret)
-		return ret;
+	if (uclass_get_device_by_seq(UCLASS_MMC, num, &dev)) {
+		ret = uclass_get_device(UCLASS_MMC, num, &dev);
+		if (ret)
+			return ret;
+	}
 
 	m = mmc_get_mmc_dev(dev);
 	if (!m)
-- 
2.17.1



More information about the U-Boot mailing list