2 files changed, 7 insertions, 1 deletions
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index 2d9d921e8b01..62ad300440f5 100644
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -38,7 +38,7 @@
 
 #ifndef __ASSEMBLY__
 struct davinci_uart_config {
-	/* Bit field of UARTs present; bit 0 --> UART1 */
+	/* Bit field of UARTs present; bit 0 --> UART0 */
 	unsigned int enabled_uarts;
 };
 
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index 18cfd4977155..3a0ff905a69b 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();
 }