[PATCH V2] ARM: stm32: Allow overriding setup_mac_address()

[Marek Vasut]

Let board code override setup_mac_address(), which is useful e.g. if the
board derives the MAC address from another source, like an I2C EEPROM.

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Patrick Delaunay <patrick.delaunay at st.com>
Cc: Patrice Chotard <patrice.chotard at st.com>
---
V2: Add prototype to sys_proto.h
---
 arch/arm/mach-stm32mp/cpu.c                    | 2 +-
 arch/arm/mach-stm32mp/include/mach/sys_proto.h | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm/mach-stm32mp/cpu.c b/arch/arm/mach-stm32mp/cpu.c
index ed7d9f61dc..856c7ced7a 100644
--- a/arch/arm/mach-stm32mp/cpu.c
+++ b/arch/arm/mach-stm32mp/cpu.c
@@ -449,7 +449,7 @@ static void setup_boot_mode(void)
  * If there is no MAC address in the environment, then it will be initialized
  * (silently) from the value in the OTP.
  */
-static int setup_mac_address(void)
+__weak int setup_mac_address(void)
 {
 #if defined(CONFIG_NET)
 	int ret;
diff --git a/arch/arm/mach-stm32mp/include/mach/sys_proto.h b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
index 99eefabf6e..47e57922d1 100644
--- a/arch/arm/mach-stm32mp/include/mach/sys_proto.h
+++ b/arch/arm/mach-stm32mp/include/mach/sys_proto.h
@@ -30,3 +30,5 @@ u32 get_cpu_package(void);
 
 /* return boot mode */
 u32 get_bootmode(void);
+
+int setup_mac_address(void);
-- 
2.24.1