The update handler path must be a full-path starting at '/'. Fix this by adding the '/dev/' path prefix. Signed-off-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx> --- arch/arm/boards/protonic-imx6/board.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/boards/protonic-imx6/board.c b/arch/arm/boards/protonic-imx6/board.c index d2fb25d3cc..0d57f409d2 100644 --- a/arch/arm/boards/protonic-imx6/board.c +++ b/arch/arm/boards/protonic-imx6/board.c @@ -530,7 +530,7 @@ static int prt_imx6_bbu(struct prt_imx6_priv *priv) emmc_flags = BBU_HANDLER_FLAG_DEFAULT; } - devicefile = basprintf("mmc%d", dcfg->emmc_usdhc); + devicefile = basprintf("/dev/mmc%d", dcfg->emmc_usdhc); if (!devicefile) { ret = -ENOMEM; goto exit_bbu; @@ -540,7 +540,7 @@ static int prt_imx6_bbu(struct prt_imx6_priv *priv) if (ret) goto exit_bbu; - devicefile = basprintf("mmc%d", dcfg->sd_usdhc); + devicefile = basprintf("/dev/mmc%d", dcfg->sd_usdhc); if (!devicefile) { ret = -ENOMEM; goto exit_bbu; -- 2.39.2