rockchip: add weak function symbol called at the beginning of misc_init_r

Most Rockchip boards who override misc_init_r do it only to call another
function and keep the rest unchanged. Therefore to allow for less
duplication, let's just add a weak function symbol that is called inside
misc_init_r.

Cc: Quentin Schulz <foss+uboot@0leil.net>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>

diff --git a/arch/arm/mach-rockchip/board.c b/arch/arm/mach-rockchip/board.c
index 2620530e03fb7bf0adb3b068074982a4413688ba..d5cb59c10fa1cf0bb26ffc6fa8614f0c7b36e29a 100644 (file)
--- a/arch/arm/mach-rockchip/board.c
+++ b/arch/arm/mach-rockchip/board.c
@@ -297,6 +297,11 @@ int fastboot_set_reboot_flag(enum fastboot_reboot_reason reason)
 #endif
 
 #ifdef CONFIG_MISC_INIT_R
+__weak int rockchip_early_misc_init_r(void)
+{
+       return 0;
+}
+
 __weak int misc_init_r(void)
 {
        const u32 cpuid_offset = CFG_CPUID_OFFSET;
@@ -304,6 +309,10 @@ __weak int misc_init_r(void)
        u8 cpuid[cpuid_length];
        int ret;
 
+       ret = rockchip_early_misc_init_r();
+       if (ret)
+               return ret;
+
        ret = rockchip_cpuid_from_efuse(cpuid_offset, cpuid_length, cpuid);
        if (ret)
                return ret;