diff --git a/arch/powerpc/boot/mktree.c b/arch/powerpc/boot/mktree.c
index 45d06a8c7cd1aeb128bce26d04645243278b8cc6..c2baae0a3d89da9d9e882d6d0ff99177431ab79b 100644
--- a/arch/powerpc/boot/mktree.c
+++ b/arch/powerpc/boot/mktree.c
@@ -42,7 +42,7 @@ int main(int argc, char *argv[])
 {
 	int	in_fd, out_fd;
 	int	nblks, i;
-	uint	cksum, *cp;
+	unsigned int	cksum, *cp;
 	struct	stat	st;
 	boot_block_t	bt;
 
@@ -90,7 +90,7 @@ int main(int argc, char *argv[])
 
 	cksum = 0;
 	cp = (void *)&bt;
-	for (i=0; i<sizeof(bt)/sizeof(uint); i++)
+	for (i = 0; i < sizeof(bt) / sizeof(unsigned int); i++)
 		cksum += *cp++;
 
 	/* Assume zImage is an ELF file, and skip the 64K header.
@@ -101,7 +101,7 @@ int main(int argc, char *argv[])
 		exit(4);
 	}
 
-	if ((*(uint *)tmpbuf) != htonl(0x7f454c46)) {
+	if ((*(unsigned int *)tmpbuf) != htonl(0x7f454c46)) {
 		fprintf(stderr, "%s is not an ELF image\n", argv[1]);
 		exit(4);
 	}
@@ -125,8 +125,8 @@ int main(int argc, char *argv[])
 			perror("zImage read");
 			exit(5);
 		}
-		cp = (uint *)tmpbuf;
-		for (i=0; i<sizeof(tmpbuf)/sizeof(uint); i++)
+		cp = (unsigned int *)tmpbuf;
+		for (i = 0; i < sizeof(tmpbuf) / sizeof(unsigned int); i++)
 			cksum += *cp++;
 		if (write(out_fd, tmpbuf, sizeof(tmpbuf)) != sizeof(tmpbuf)) {
 			perror("boot-image write");