In case gpio_request_list_by_name_nodev() in board dmo_get_memcfg() returns error code, pick a safe default DRAM configuration instead of bailing out with some sort of hang() or panic(). The BIT(2)|BIT(0) strap option is the lowest known option of 2 GiB , use that.
Signed-off-by: Marek Vasut marex@denx.de --- Cc: "NXP i.MX U-Boot Team" uboot-imx@nxp.com Cc: Fabio Estevam festevam@gmail.com Cc: Quentin Schulz quentin.schulz@cherry.de Cc: Sean Anderson seanga2@gmail.com Cc: Simon Glass sjg@chromium.org Cc: Stefano Babic sbabic@denx.de Cc: Tom Rini trini@konsulko.com Cc: u-boot@lists.denx.de --- NOTE: For v2025.01 --- board/data_modul/common/common.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/board/data_modul/common/common.c b/board/data_modul/common/common.c index b5f83908771..9e35dc5d6cb 100644 --- a/board/data_modul/common/common.c +++ b/board/data_modul/common/common.c @@ -47,6 +47,9 @@ u8 dmo_get_memcfg(void) "dmo,ram-coding-gpios", gpio, ARRAY_SIZE(gpio), GPIOD_IS_IN); + if (ret < 0) + return BIT(2) | BIT(0); + for (i = 0; i < ret; i++) memcfg |= !!dm_gpio_get_value(&(gpio[i])) << i;