We renumber mmc2 to mmc1 for sunxi devices, but if mmc2 does not exist dts will not build.
This patch prevents that by checking CONFIG_MMC_SUNXI_SLOT_EXTRA. --- arch/arm/dts/sunxi-u-boot.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm/dts/sunxi-u-boot.dtsi b/arch/arm/dts/sunxi-u-boot.dtsi index 06da009fa2..53db622144 100644 --- a/arch/arm/dts/sunxi-u-boot.dtsi +++ b/arch/arm/dts/sunxi-u-boot.dtsi @@ -13,7 +13,9 @@ / { aliases { mmc0 = &mmc0; +#if CONFIG_MMC_SUNXI_SLOT_EXTRA > 1 mmc1 = &mmc2; +#endif }; binman: binman { -- 2.25.1