From: Aswath Govindraju <a-govindraju@ti.com>
Date: Thu, 25 Mar 2021 07:18:47 +0000 (+0530)
Subject: mmc: Check for device with a seq number equal to num before checking against index
X-Git-Url: http://git.dujemihanovic.xyz/img/sics.gif?a=commitdiff_plain;h=2153a08a24e807f229e492037ed81ca27c2e0c11;p=u-boot.git

mmc: Check for device with a seq number equal to num before checking against index

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@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
---

diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index b4c8e7f293..1e83007286 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)