sunxi: only include alias for eMMC when mmc2 used

Some Allwinner SoCs (e.g. R329) doesn't have a MMC2 controller at all,
and on boards that we do not utilize MMC2, the alias for it is just
useless.

Only include the alias when we specify CONFIG_MMC_SUNXI_EXTRA_SLOT to 2.

Signed-off-by: Icenowy Zheng <icenowy@sipeed.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>

diff --git a/arch/arm/dts/sunxi-u-boot.dtsi b/arch/arm/dts/sunxi-u-boot.dtsi
index 4a6ed3a..b7244c1 100644 (file)
--- 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_EXTRA_SLOT == 2
                mmc1 = &mmc2;
+#endif
        };
 
        binman: binman {