[POWERPC] Constify & voidify get_property()

Now that get_property() returns a void *, there's no need to cast its
return value. Also, treat the return value as const, so we can
constify get_property later.

powerpc core changes.

Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/powerpc/sysdev/mmio_nvram.c b/arch/powerpc/sysdev/mmio_nvram.c
index 615350d46b52..ff23f5a4d4b9 100644
--- a/arch/powerpc/sysdev/mmio_nvram.c
+++ b/arch/powerpc/sysdev/mmio_nvram.c
@@ -80,7 +80,7 @@ static ssize_t mmio_nvram_get_size(void)
 int __init mmio_nvram_init(void)
 {
         struct device_node *nvram_node;
-        unsigned long *buffer;
+        const unsigned long *buffer;
         int proplen;
         unsigned long nvram_addr;
         int ret;
@@ -91,7 +91,7 @@ int __init mmio_nvram_init(void)
                 goto out;
 
         ret = -EIO;
-        buffer = (unsigned long *)get_property(nvram_node, "reg", &proplen);
+        buffer = get_property(nvram_node, "reg", &proplen);
         if (proplen != 2*sizeof(unsigned long))
                 goto out;