powerpc/boot/fdt: Use unsigned long for pointer casts

Now that the wrapper supports 64-bit builds, we see warnings when
attempting to cast pointers to int. Use unsigned long instead.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 3 insertions, 3 deletions

diff --git a/arch/powerpc/boot/libfdt-wrapper.c b/arch/powerpc/boot/libfdt-wrapper.c
index bb8b9b3505ee..535e8fd8900d 100644
--- a/arch/powerpc/boot/libfdt-wrapper.c
+++ b/arch/powerpc/boot/libfdt-wrapper.c
@@ -44,12 +44,12 @@
 
 #define offset_devp(off)        \
         ({ \
-                int _offset = (off); \
+                unsigned long _offset = (off); \
                 check_err(_offset) ? NULL : (void *)(_offset+1); \
         })
 
-#define devp_offset_find(devp)  (((int)(devp))-1)
-#define devp_offset(devp)       (devp ? ((int)(devp))-1 : 0)
+#define devp_offset_find(devp)  (((unsigned long)(devp))-1)
+#define devp_offset(devp)       (devp ? ((unsigned long)(devp))-1 : 0)
 
 static void *fdt;
 static void *buf; /* = NULL */