serial: zynq: Make zynq_serial_setbrg static

This function is used only inside this driver that's why should be
static.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c
index cc14bfa39cff132896e2fa3909ecc434412fbbe0..a191772ff0403240128475099c27d5609f661e54 100644 (file)
--- a/drivers/serial/serial_zynq.c
+++ b/drivers/serial/serial_zynq.c
@@ -103,7 +103,7 @@ static int _uart_zynq_serial_putc(struct uart_zynq *regs, const char c)
        return 0;
 }
 
-int zynq_serial_setbrg(struct udevice *dev, int baudrate)
+static int zynq_serial_setbrg(struct udevice *dev, int baudrate)
 {
        struct zynq_uart_priv *priv = dev_get_priv(dev);
        unsigned long clock;