[PATCH 1/2] efi_stub: Sync the debug UART definition like other platform

[Kever Yang]

The debug UART interface is available when CONFIG_DEBUG_UART is defined,
sync with the other platforms to use the same definition.

Signed-off-by: Kever Yang <kever.yang at rock-chips.com>
---

 lib/efi/efi_stub.c | 16 ++++++++++------
 1 file changed, 10 insertions(+), 6 deletions(-)

diff --git a/lib/efi/efi_stub.c b/lib/efi/efi_stub.c
index 40fc29d9adf..5179c5b2c09 100644
--- a/lib/efi/efi_stub.c
+++ b/lib/efi/efi_stub.c
@@ -9,7 +9,6 @@
  * EFI application. It can be built either in 32-bit or 64-bit mode.
  */
 
-#include <debug_uart.h>
 #include <efi.h>
 #include <efi_api.h>
 #include <errno.h>
@@ -55,10 +54,6 @@ struct __packed desctab_info {
  * considering if we start needing more U-Boot functionality. Note that we
  * could then move get_codeseg32() to arch/x86/cpu/cpu.c.
  */
-void _debug_uart_init(void)
-{
-}
-
 void putc(const char ch)
 {
 	struct efi_priv *priv = efi_get_priv();
@@ -83,12 +78,21 @@ void puts(const char *str)
 		putc(*str++);
 }
 
-static void _debug_uart_putc(int ch)
+#ifdef CONFIG_DEBUG_UART
+
+#include <debug_uart.h>
+
+void _debug_uart_init(void)
+{
+}
+
+static inline void _debug_uart_putc(int ch)
 {
 	putc(ch);
 }
 
 DEBUG_UART_FUNCS
+#endif
 
 void *memcpy(void *dest, const void *src, size_t size)
 {
-- 
2.25.1