[ARM] fix a couple clear_user_highpage assembly constraints

[safe/jmp/linux-2.6] / arch / arm / mm / copypage-feroceon.c

diff --git a/arch/arm/mm/copypage-feroceon.c b/arch/arm/mm/copypage-feroceon.c
index c3651b2..c3ba6a9 100644 (file)
--- a/arch/arm/mm/copypage-feroceon.c
+++ b/arch/arm/mm/copypage-feroceon.c
@@ -81,9 +81,9 @@ void feroceon_copy_user_highpage(struct page *to, struct page *from,
 
 void feroceon_clear_user_highpage(struct page *page, unsigned long vaddr)
 {
-       void *kaddr = kmap_atomic(page, KM_USER0);
-       asm("\
-       mov     r1, %1                          \n\
+       void *ptr, *kaddr = kmap_atomic(page, KM_USER0);
+       asm volatile ("\
+       mov     r1, %2                          \n\
        mov     r2, #0                          \n\
        mov     r3, #0                          \n\
        mov     r4, #0                          \n\
@@ -95,11 +95,11 @@ void feroceon_clear_user_highpage(struct page *page, unsigned long vaddr)
 1:     stmia   %0, {r2-r7, ip, lr}             \n\
        subs    r1, r1, #1                      \n\
        mcr     p15, 0, %0, c7, c14, 1          @ clean and invalidate D line\n\
-       add     r0, r0, #32                     \n\
+       add     %0, %0, #32                     \n\
        bne     1b                              \n\
        mcr     p15, 0, r1, c7, c10, 4          @ drain WB"
-       :
-       : "r" (kaddr), "I" (PAGE_SIZE / 32)
+       : "=r" (ptr)
+       : "0" (kaddr), "I" (PAGE_SIZE / 32)
        : "r1", "r2", "r3", "r4", "r5", "r6", "r7", "ip", "lr");
        kunmap_atomic(kaddr, KM_USER0);
 }