[U-Boot] [PATCH v2] serial: Use static inline for _debug_uart_init()

[Michal Simek]

Mark _debug_uart_init() as static to avoid sparse warning and
inline it to debug_uart_init().

Reported-by: Thomas Chou <thomas at wytron.com.tw>
Signed-off-by: Michal Simek <michal.simek at xilinx.com>
Reviewed-by: Thomas Chou <thomas at wytron.com.tw>
Reviewed-by: Simon Glass <sjg at chromium.org>
Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
---

Changes in v2:
- Add tags
- Extend commit message reported by Bin

 drivers/serial/serial_xuartlite.c | 2 +-
 drivers/serial/serial_zynq.c      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/serial/serial_xuartlite.c b/drivers/serial/serial_xuartlite.c
index 6402d8ad836b..3af22d06e1c8 100644
--- a/drivers/serial/serial_xuartlite.c
+++ b/drivers/serial/serial_xuartlite.c
@@ -119,7 +119,7 @@ U_BOOT_DRIVER(serial_uartlite) = {
 add binding.
 
 #ifdef CONFIG_DEBUG_UART_UARTLITE
-void _debug_uart_init(void)
+static inline void _debug_uart_init(void)
 {
 	struct uartlite *regs = (struct uartlite *)CONFIG_DEBUG_UART_BASE;
 
diff --git a/drivers/serial/serial_zynq.c b/drivers/serial/serial_zynq.c
index b2b98dea1561..3430482f8d8b 100644
--- a/drivers/serial/serial_zynq.c
+++ b/drivers/serial/serial_zynq.c
@@ -192,7 +192,7 @@ U_BOOT_DRIVER(serial_zynq) = {
 };
 
 #ifdef CONFIG_DEBUG_UART_ZYNQ
-void _debug_uart_init(void)
+static inline void _debug_uart_init(void)
 {
 	struct uart_zynq *regs = (struct uart_zynq *)CONFIG_DEBUG_UART_BASE;
 
-- 
1.9.1