of/fdt: update of_get_flat_dt_prop in prep for libfdt

Make of_get_flat_dt_prop arguments compatible with libfdt fdt_getprop
call in preparation to convert FDT code to use libfdt. Make the return
value const and the property length ptr type an int.

Signed-off-by: Rob Herring <robh@kernel.org>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Tested-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Stephen Chivers <schivers@csc.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 2db8cc691bf4..099d2df976a2 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -665,7 +665,7 @@ static int __init pseries_probe_fw_features(unsigned long node,
                                             void *data)
 {
         const char *prop;
-        unsigned long len;
+        int len;
         static int hypertas_found;
         static int vec5_found;
 
@@ -698,7 +698,7 @@ static int __init pseries_probe_fw_features(unsigned long node,
 static int __init pSeries_probe(void)
 {
         unsigned long root = of_get_flat_dt_root();
-        char *dtype = of_get_flat_dt_prop(root, "device_type", NULL);
+        const char *dtype = of_get_flat_dt_prop(root, "device_type", NULL);
 
         if (dtype == NULL)
                 return 0;