Merge branch 'merge'

[pandora-kernel.git] / arch / powerpc / kernel / rtas-proc.c

diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c
index 7a95b8a..2fe82ab 100644 (file)
--- a/arch/powerpc/kernel/rtas-proc.c
+++ b/arch/powerpc/kernel/rtas-proc.c
@@ -1,5 +1,4 @@
 /*
- *   arch/ppc64/kernel/rtas-proc.c
  *   Copyright (C) 2000 Tilmann Bitterberg
  *   (tilmann@bitterberg.de)
  *
@@ -247,23 +246,23 @@ 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)
 {
        struct proc_dir_entry *entry;
 
-       if (_machine != PLATFORM_PSERIES && _machine != PLATFORM_PSERIES_LPAR)
-               return 1;
+       if (!machine_is(pseries))
+               return -ENODEV;
 
        rtas_node = of_find_node_by_name(NULL, "rtas");
        if (rtas_node == NULL)
-               return 1;
+               return -ENODEV;
 
        entry = create_proc_entry("ppc64/rtas/progress", S_IRUGO|S_IWUSR, NULL);
        if (entry)
@@ -447,11 +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++) {
@@ -475,10 +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;
@@ -531,7 +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", 
@@ -683,7 +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:
@@ -720,7 +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 == '.')
@@ -734,7 +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 */