dm: mmc: Ensure that block device is probed
authorSimon Glass <sjg@chromium.org>
Sat, 27 May 2017 17:37:18 +0000 (11:37 -0600)
committerJaehoon Chung <jh80.chung@samsung.com>
Fri, 9 Jun 2017 11:25:16 +0000 (20:25 +0900)
Make sure that we probe the block device before using it when reading
the environment.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
common/env_mmc.c

index 404de85..88b043e 100644 (file)
@@ -121,7 +121,12 @@ static const char *init_mmc_for_env(struct mmc *mmc)
        if (!mmc)
                return "!No MMC card found";
 
-#ifndef CONFIG_BLK
+#ifdef CONFIG_BLK
+       struct udevice *dev;
+
+       if (blk_get_from_parent(mmc->dev, &dev))
+               return "!No block device";
+#else
        if (mmc_init(mmc))
                return "!MMC init failed";
 #endif