1 files changed, 4 insertions, 0 deletions

diff --git a/include/asm-arm/arch-at91/uncompress.h b/include/asm-arm/arch-at91/uncompress.h
index 30ac587b3b41..272a7e0dc6cf 100644
--- a/include/asm-arm/arch-at91/uncompress.h
+++ b/include/asm-arm/arch-at91/uncompress.h
@@ -33,20 +33,24 @@
  */
 static void putc(int c)
 {
+#ifdef AT91_DBGU
         void __iomem *sys = (void __iomem *) AT91_BASE_SYS;     /* physical address */
 
         while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXRDY))
                 barrier();
         __raw_writel(c, sys + AT91_DBGU_THR);
+#endif
 }
 
 static inline void flush(void)
 {
+#ifdef AT91_DBGU
         void __iomem *sys = (void __iomem *) AT91_BASE_SYS;     /* physical address */
 
         /* wait for transmission to complete */
         while (!(__raw_readl(sys + AT91_DBGU_SR) & AT91_DBGU_TXEMPTY))
                 barrier();
+#endif
 }
 
 #define arch_decomp_setup()