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-rw-r--r--arch/arm/mach-davinci/include/mach/uncompress.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index 18cfd497715..3a0ff905a69 100644
--- a/arch/arm/mach-davinci/include/mach/uncompress.h
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -32,6 +32,9 @@ u32 *uart;
/* PORT_16C550A, in polled non-fifo mode */
static void putc(char c)
{
+ if (!uart)
+ return;
+
while (!(uart[UART_LSR] & UART_LSR_THRE))
barrier();
uart[UART_TX] = c;
@@ -39,6 +42,9 @@ static void putc(char c)
static inline void flush(void)
{
+ if (!uart)
+ return;
+
while (!(uart[UART_LSR] & UART_LSR_THRE))
barrier();
}