2 files changed, 6 insertions, 5 deletions

diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c
index df9e95a84015..33c73295acf3 100644
--- a/arch/powerpc/boot/main.c
+++ b/arch/powerpc/boot/main.c
@@ -136,7 +136,7 @@ static struct addr_range prep_kernel(void)
         } else {
                 if ((unsigned long)_start < ei.memsize)
                         fatal("Insufficient memory for kernel at address 0!"
-                               " (_start=%lx)\n\r", _start);
+                               " (_start=%p)\n\r", _start);
         }
 
         /* Finally, gunzip the kernel */
@@ -145,7 +145,7 @@ static struct addr_range prep_kernel(void)
         /* discard up to the actual load data */
         gunzip_discard(&gzstate, ei.elfoffset - sizeof(elfheader));
         len = gunzip_finish(&gzstate, addr, ei.memsize);
-        printf("done 0x%lx bytes\n\r", len);
+        printf("done 0x%x bytes\n\r", len);
 
         flush_cache(addr, ei.loadsize);
 
@@ -189,7 +189,7 @@ static struct addr_range prep_initrd(struct addr_range vmlinux,
                 if (! initrd_addr)
                         fatal("Can't allocate memory for initial "
                                "ramdisk !\n\r");
-                printf("Relocating initrd 0x%p <- 0x%p (0x%lx bytes)\n\r",
+                printf("Relocating initrd 0x%lx <- 0x%p (0x%lx bytes)\n\r",
                        initrd_addr, old_addr, initrd_size);
                 memmove((void *)initrd_addr, old_addr, initrd_size);
         }
diff --git a/arch/powerpc/boot/stdio.h b/arch/powerpc/boot/stdio.h
index 73b8a91bfb34..adffc58412d4 100644
--- a/arch/powerpc/boot/stdio.h
+++ b/arch/powerpc/boot/stdio.h
@@ -7,11 +7,12 @@
 #define EINVAL          22      /* Invalid argument */
 #define ENOSPC          28      /* No space left on device */
 
-extern int printf(const char *fmt, ...);
+extern int printf(const char *fmt, ...) __attribute__((format(printf, 1, 2)));
 
 #define fprintf(fmt, args...)   printf(args)
 
-extern int sprintf(char *buf, const char *fmt, ...);
+extern int sprintf(char *buf, const char *fmt, ...)
+        __attribute__((format(printf, 2, 3)));
 
 extern int vsprintf(char *buf, const char *fmt, va_list args);