From ce26e8a1ddd55fc09e527f8381d54c35a02364c2 Mon Sep 17 00:00:00 2001 From: Xu Ziyuan Date: Fri, 12 Aug 2016 15:43:48 +0800 Subject: [PATCH] rockchip: use dummy byte only enable OF_PLATDATA Add a condition to determine the rk3288_sdram_channel size. This patch fixes read sdram_channel property failed from DT on rk3288 boards, which not enable OF_PLATDATA. Signed-off-by: Ziyuan Xu --- arch/arm/include/asm/arch-rockchip/sdram.h | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/include/asm/arch-rockchip/sdram.h b/arch/arm/include/asm/arch-rockchip/sdram.h index e08e28f4f0..82c3d07cbb 100644 --- a/arch/arm/include/asm/arch-rockchip/sdram.h +++ b/arch/arm/include/asm/arch-rockchip/sdram.h @@ -24,12 +24,16 @@ struct rk3288_sdram_channel { u8 row_3_4; u8 cs0_row; u8 cs1_row; +#if CONFIG_IS_ENABLED(OF_PLATDATA) /* * For of-platdata, which would otherwise convert this into two * byte-swapped integers. With a size of 9 bytes, this struct will * appear in of-platdata as a byte array. + * + * If OF_PLATDATA enabled, need to add a dummy byte in dts.(i.e 0xff) */ u8 dummy; +#endif }; struct rk3288_sdram_pctl_timing { -- 2.25.1