[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, 13 insertions, 12 deletions

diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c
index 9c9ad1fa9cce..2fe82abf1c52 100644
--- a/arch/powerpc/kernel/rtas-proc.c
+++ b/arch/powerpc/kernel/rtas-proc.c
@@ -246,12 +246,12 @@ struct file_operations ppc_rtas_rmo_buf_ops = {
 
 static int ppc_rtas_find_all_sensors(void);
 static void ppc_rtas_process_sensor(struct seq_file *m,
-        struct individual_sensor *s, int state, int error, char *loc);
+        struct individual_sensor *s, int state, int error, const char *loc);
 static char *ppc_rtas_process_error(int error);
 static void get_location_code(struct seq_file *m,
-        struct individual_sensor *s, char *loc);
-static void check_location_string(struct seq_file *m, char *c);
-static void check_location(struct seq_file *m, char *c);
+        struct individual_sensor *s, const char *loc);
+static void check_location_string(struct seq_file *m, const char *c);
+static void check_location(struct seq_file *m, const char *c);
 
 static int __init proc_rtas_init(void)
 {
@@ -446,11 +446,11 @@ static int ppc_rtas_sensors_show(struct seq_file *m, void *v)
         for (i=0; i<sensors.quant; i++) {
                 struct individual_sensor *p = &sensors.sensor[i];
                 char rstr[64];
-                char *loc;
+                const char *loc;
                 int llen, offs;
 
                 sprintf (rstr, SENSOR_PREFIX"%04d", p->token);
-                loc = (char *) get_property(rtas_node, rstr, &llen);
+                loc = get_property(rtas_node, rstr, &llen);
 
                 /* A sensor may have multiple instances */
                 for (j = 0, offs = 0; j <= p->quant; j++) {
@@ -474,10 +474,10 @@ static int ppc_rtas_sensors_show(struct seq_file *m, void *v)
 
 static int ppc_rtas_find_all_sensors(void)
 {
-        unsigned int *utmp;
+        const unsigned int *utmp;
         int len, i;
 
-        utmp = (unsigned int *) get_property(rtas_node, "rtas-sensors", &len);
+        utmp = get_property(rtas_node, "rtas-sensors", &len);
         if (utmp == NULL) {
                 printk (KERN_ERR "error: could not get rtas-sensors\n");
                 return 1;
@@ -530,7 +530,7 @@ static char *ppc_rtas_process_error(int error)
  */
 
 static void ppc_rtas_process_sensor(struct seq_file *m,
-        struct individual_sensor *s, int state, int error, char *loc)
+        struct individual_sensor *s, int state, int error, const char *loc)
 {
         /* Defined return vales */
         const char * key_switch[]        = { "Off\t", "Normal\t", "Secure\t", 
@@ -682,7 +682,7 @@ static void ppc_rtas_process_sensor(struct seq_file *m,
 
 /* ****************************************************************** */
 
-static void check_location(struct seq_file *m, char *c)
+static void check_location(struct seq_file *m, const char *c)
 {
         switch (c[0]) {
                 case LOC_PLANAR:
@@ -719,7 +719,7 @@ static void check_location(struct seq_file *m, char *c)
  * ${LETTER}${NUMBER}[[-/]${LETTER}${NUMBER} [ ... ] ]
  * the '.' may be an abbrevation
  */
-static void check_location_string(struct seq_file *m, char *c)
+static void check_location_string(struct seq_file *m, const char *c)
 {
         while (*c) {
                 if (isalpha(*c) || *c == '.')
@@ -733,7 +733,8 @@ static void check_location_string(struct seq_file *m, char *c)
 
 /* ****************************************************************** */
 
-static void get_location_code(struct seq_file *m, struct individual_sensor *s, char *loc)
+static void get_location_code(struct seq_file *m, struct individual_sensor *s,
+                const char *loc)
 {
         if (!loc || !*loc) {
                 seq_printf(m, "---");/* does not have a location */