[POWERPC] sound: 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-specific sound driver changes.

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

1 files changed, 6 insertions, 5 deletions

diff --git a/sound/oss/dmasound/dmasound_awacs.c b/sound/oss/dmasound/dmasound_awacs.c
index 4359903f4376..9ae659f82430 100644
--- a/sound/oss/dmasound/dmasound_awacs.c
+++ b/sound/oss/dmasound/dmasound_awacs.c
@@ -347,8 +347,8 @@ int
 setup_audio_gpio(const char *name, const char* compatible, int *gpio_addr, int* gpio_pol)
 {
         struct device_node *np;
-        u32* pp;
-        
+        const u32* pp;
+
         np = find_devices("gpio");
         if (!np)
                 return -ENODEV;
@@ -356,7 +356,8 @@ setup_audio_gpio(const char *name, const char* compatible, int *gpio_addr, int*
         np = np->child;
         while(np != 0) {
                 if (name) {
-                        char *property = get_property(np,"audio-gpio",NULL);
+                        const char *property =
+                                get_property(np,"audio-gpio",NULL);
                         if (property != 0 && strcmp(property,name) == 0)
                                 break;
                 } else if (compatible && device_is_compatible(np, compatible))
@@ -365,11 +366,11 @@ setup_audio_gpio(const char *name, const char* compatible, int *gpio_addr, int*
         }
         if (!np)
                 return -ENODEV;
-        pp = (u32 *)get_property(np, "AAPL,address", NULL);
+        pp = get_property(np, "AAPL,address", NULL);
         if (!pp)
                 return -ENODEV;
         *gpio_addr = (*pp) & 0x0000ffff;
-        pp = (u32 *)get_property(np, "audio-gpio-active-state", NULL);
+        pp = get_property(np, "audio-gpio-active-state", NULL);
         if (pp)
                 *gpio_pol = *pp;
         else