arm: Fix to mistake clean the memory space

[platform/kernel/u-boot.git] / arch / arm / cpu / pxa / start.S

diff --git a/arch/arm/cpu/pxa/start.S b/arch/arm/cpu/pxa/start.S
index ba0de8f..33c73f6 100644 (file)
--- a/arch/arm/cpu/pxa/start.S
+++ b/arch/arm/cpu/pxa/start.S
@@ -258,10 +258,12 @@ clear_bss:
        add     r1, r1, r4
        mov     r2, #0x00000000         /* clear                            */
 
-clbss_l:str    r2, [r0]                /* clear loop...                    */
+clbss_l:cmp    r0, r1                  /* clear loop... */
+       bhs     clbss_e                 /* if reached end of bss, exit */
+       str     r2, [r0]
        add     r0, r0, #4
-       cmp     r0, r1
-       bne     clbss_l
+       b       clbss_l
+clbss_e:
 #endif /* #ifndef CONFIG_SPL_BUILD */
 
 /*