Static inline function _debug_uart_init() should avoid calling external (non-inline) functions. Therefore do not call get_ref_clk() in _debug_uart_init() and reimplement its functionality without external function calls.
Signed-off-by: Pali Rohár pali@kernel.org --- drivers/serial/serial_mvebu_a3700.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/serial/serial_mvebu_a3700.c b/drivers/serial/serial_mvebu_a3700.c index 52dc3fdad7b4..6bca8e4b7e2d 100644 --- a/drivers/serial/serial_mvebu_a3700.c +++ b/drivers/serial/serial_mvebu_a3700.c @@ -305,6 +305,7 @@ U_BOOT_DRIVER(serial_mvebu) = { #ifdef CONFIG_DEBUG_MVEBU_A3700_UART
#include <debug_uart.h> +#include <mach/soc.h>
static inline void _debug_uart_init(void) { @@ -322,7 +323,8 @@ static inline void _debug_uart_init(void) * Calculate divider * baudrate = clock / 16 / divider */ - parent_rate = get_ref_clk() * 1000000; + parent_rate = (readl(MVEBU_REGISTER(0x13808)) & BIT(9)) ? + 40000000 : 25000000; divider = DIV_ROUND_CLOSEST(parent_rate, CONFIG_BAUDRATE * 16); writel(divider, base + UART_BAUD_REG);