mmc: call device_probe() after scanning

Every time a mmc bus/port is scanned and a new device is detected,
we want to call device_probe() as it will give us a chance to run
additional post-processings for some purposes.

In particular, support for creating partitions on a device will be added.

Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/mmc/mmc-uclass.c b/drivers/mmc/mmc-uclass.c
index b80e838..57da788 100644
--- a/drivers/mmc/mmc-uclass.c
+++ b/drivers/mmc/mmc-uclass.c
@@ -467,6 +467,18 @@
 		return ret;
 	}
 
+	ret = device_probe(dev);
+	if (ret) {
+		debug("Probing %s failed (err=%d)\n", dev->name, ret);
+
+		if (CONFIG_IS_ENABLED(MMC_UHS_SUPPORT) ||
+		    CONFIG_IS_ENABLED(MMC_HS200_SUPPORT) ||
+		    CONFIG_IS_ENABLED(MMC_HS400_SUPPORT))
+			mmc_deinit(mmc);
+
+		return ret;
+	}
+
 	return 0;
 }