debug_uart: Try not to use stack in printch

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Content preview:  Previous change to create _printch causes the stack to be
  used, breaking printch before stack is available. Inline _printch to prevent
   this happening. Signed-off-by: Tim Chick <tim.chick@mediatek.com> --- [...]

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Previous change to create _printch causes the stack to be used,
breaking printch before stack is available. Inline _printch to
prevent this happening.

Signed-off-by: Tim Chick <tim.chick@mediatek.com>

diff --git a/include/debug_uart.h b/include/debug_uart.h
index 0d640b96e7b11337cb2cffb045a5d5887c415fdf..2980ae6200f25949c75a32e834b0329ae3020471 100644 (file)
--- a/include/debug_uart.h
+++ b/include/debug_uart.h
@@ -115,17 +115,23 @@ void printhex8(uint value);
  * Now define some functions - this should be inserted into the serial driver
  */
 #define DEBUG_UART_FUNCS \
-       void printch(int ch) \
+\
+       static inline void _printch(int ch) \
        { \
                if (ch == '\n') \
                        _debug_uart_putc('\r'); \
                _debug_uart_putc(ch); \
        } \
+\
+       void printch(int ch) \
+       { \
+               _printch(ch); \
+       } \
 \
        void printascii(const char *str) \
        { \
                while (*str) \
-                       printch(*str++); \
+                       _printch(*str++); \
        } \
 \
        static inline void printhex1(uint digit) \