arm64: dts: specify console via command line

The SPRD serial driver need to know which serial port would be used as
console in an early period during initialization, otherwise console
init would fail since we added this feature[1].

So this patch add console to command line via devicetree.

[1] https://lore.kernel.org/lkml/20190826072929.7696-4-zhang.lyra@gmail.com/

Link: https://lore.kernel.org/r/20200311112120.30890-1-zhang.lyra@gmail.com
Signed-off-by: Chunyan Zhang <chunyan.zhang@unisoc.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/arch/arm64/boot/dts/sprd/sp9863a-1h10.dts b/arch/arm64/boot/dts/sprd/sp9863a-1h10.dts
index 5c32c15963378f9d39a39b8c7ccd46a7c15729b1..dc1a6201002a390d6967ea1f616dc5d96a72270a 100644 (file)
--- a/arch/arm64/boot/dts/sprd/sp9863a-1h10.dts
+++ b/arch/arm64/boot/dts/sprd/sp9863a-1h10.dts
@@ -26,7 +26,7 @@
 
        chosen {
                stdout-path = "serial1:115200n8";
-               bootargs = "earlycon";
+               bootargs = "earlycon console=ttyS1";
        };
 };