[U-Boot] [PATCH 2/2] env_mmc: default to 0 if CONFIG_SYS_MMC_ENV_DEV not defined

Since function mmc_get_env_devno is __weak and can be overridden by board code, boards do not necessarily need to define CONFIG_SYS_MMC_ENV_DEV. If the constant is not defined, return 0 by default.

Signed-off-by: Hector Palacios hector.palacios@digi.com --- common/env_mmc.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/common/env_mmc.c b/common/env_mmc.c index d569b070e005..bd3bc1d50b15 100644 --- a/common/env_mmc.c +++ b/common/env_mmc.c @@ -63,7 +63,11 @@ __weak int mmc_get_env_addr(struct mmc *mmc, int copy, u32 *env_addr)

__weak int mmc_get_env_devno(void) { +#ifdef CONFIG_SYS_MMC_ENV_DEV return CONFIG_SYS_MMC_ENV_DEV; +#endif + return 0; +}

__weak int mmc_get_env_partno(void) {