[U-Boot] [PATCH V3 23/27] imx: mmc_env: update runtime SD/MMC boot env device

[Peng Fan]

When DM_MMC enabled, the USDHC index in U-Boot is the USDHC port.
To directly return devno, we could avoid add board specific code.

Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm/mach-imx/mmc_env.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/arm/mach-imx/mmc_env.c b/arch/arm/mach-imx/mmc_env.c
index 9c822f721c..addb50f538 100644
--- a/arch/arm/mach-imx/mmc_env.c
+++ b/arch/arm/mach-imx/mmc_env.c
@@ -11,6 +11,9 @@
 
 __weak int board_mmc_get_env_dev(int devno)
 {
+	if (CONFIG_IS_ENABLED(DM_MMC))
+		return devno;
+
 	return CONFIG_SYS_MMC_ENV_DEV;
 }
 
-- 
2.16.4