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Diffstat (limited to 'arch/powerpc/kernel/rtas-proc.c')
-rw-r--r--arch/powerpc/kernel/rtas-proc.c86
1 files changed, 35 insertions, 51 deletions
diff --git a/arch/powerpc/kernel/rtas-proc.c b/arch/powerpc/kernel/rtas-proc.c
index 9c9ad1fa9cc..8777fb02349 100644
--- a/arch/powerpc/kernel/rtas-proc.c
+++ b/arch/powerpc/kernel/rtas-proc.c
@@ -160,7 +160,7 @@ static int sensors_open(struct inode *inode, struct file *file)
return single_open(file, ppc_rtas_sensors_show, NULL);
}
-struct file_operations ppc_rtas_sensors_operations = {
+static const struct file_operations ppc_rtas_sensors_operations = {
.open = sensors_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -172,7 +172,7 @@ static int poweron_open(struct inode *inode, struct file *file)
return single_open(file, ppc_rtas_poweron_show, NULL);
}
-struct file_operations ppc_rtas_poweron_operations = {
+static const struct file_operations ppc_rtas_poweron_operations = {
.open = poweron_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -185,7 +185,7 @@ static int progress_open(struct inode *inode, struct file *file)
return single_open(file, ppc_rtas_progress_show, NULL);
}
-struct file_operations ppc_rtas_progress_operations = {
+static const struct file_operations ppc_rtas_progress_operations = {
.open = progress_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -198,7 +198,7 @@ static int clock_open(struct inode *inode, struct file *file)
return single_open(file, ppc_rtas_clock_show, NULL);
}
-struct file_operations ppc_rtas_clock_operations = {
+static const struct file_operations ppc_rtas_clock_operations = {
.open = clock_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -211,7 +211,7 @@ static int tone_freq_open(struct inode *inode, struct file *file)
return single_open(file, ppc_rtas_tone_freq_show, NULL);
}
-struct file_operations ppc_rtas_tone_freq_operations = {
+static const struct file_operations ppc_rtas_tone_freq_operations = {
.open = tone_freq_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -224,7 +224,7 @@ static int tone_volume_open(struct inode *inode, struct file *file)
return single_open(file, ppc_rtas_tone_volume_show, NULL);
}
-struct file_operations ppc_rtas_tone_volume_operations = {
+static const struct file_operations ppc_rtas_tone_volume_operations = {
.open = tone_volume_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -237,7 +237,7 @@ static int rmo_buf_open(struct inode *inode, struct file *file)
return single_open(file, ppc_rtas_rmo_buf_show, NULL);
}
-struct file_operations ppc_rtas_rmo_buf_ops = {
+static const struct file_operations ppc_rtas_rmo_buf_ops = {
.open = rmo_buf_open,
.read = seq_read,
.llseek = seq_lseek,
@@ -246,17 +246,15 @@ 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_is(pseries))
return -ENODEV;
@@ -264,35 +262,20 @@ static int __init proc_rtas_init(void)
if (rtas_node == NULL)
return -ENODEV;
- entry = create_proc_entry("ppc64/rtas/progress", S_IRUGO|S_IWUSR, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_progress_operations;
-
- entry = create_proc_entry("ppc64/rtas/clock", S_IRUGO|S_IWUSR, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_clock_operations;
-
- entry = create_proc_entry("ppc64/rtas/poweron", S_IWUSR|S_IRUGO, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_poweron_operations;
-
- entry = create_proc_entry("ppc64/rtas/sensors", S_IRUGO, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_sensors_operations;
-
- entry = create_proc_entry("ppc64/rtas/frequency", S_IWUSR|S_IRUGO,
- NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_tone_freq_operations;
-
- entry = create_proc_entry("ppc64/rtas/volume", S_IWUSR|S_IRUGO, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_tone_volume_operations;
-
- entry = create_proc_entry("ppc64/rtas/rmo_buffer", S_IRUSR, NULL);
- if (entry)
- entry->proc_fops = &ppc_rtas_rmo_buf_ops;
-
+ proc_create("powerpc/rtas/progress", S_IRUGO|S_IWUSR, NULL,
+ &ppc_rtas_progress_operations);
+ proc_create("powerpc/rtas/clock", S_IRUGO|S_IWUSR, NULL,
+ &ppc_rtas_clock_operations);
+ proc_create("powerpc/rtas/poweron", S_IWUSR|S_IRUGO, NULL,
+ &ppc_rtas_poweron_operations);
+ proc_create("powerpc/rtas/sensors", S_IRUGO, NULL,
+ &ppc_rtas_sensors_operations);
+ proc_create("powerpc/rtas/frequency", S_IWUSR|S_IRUGO, NULL,
+ &ppc_rtas_tone_freq_operations);
+ proc_create("powerpc/rtas/volume", S_IWUSR|S_IRUGO, NULL,
+ &ppc_rtas_tone_volume_operations);
+ proc_create("powerpc/rtas/rmo_buffer", S_IRUSR, NULL,
+ &ppc_rtas_rmo_buf_ops);
return 0;
}
@@ -379,7 +362,7 @@ static ssize_t ppc_rtas_progress_write(struct file *file,
/* ****************************************************************** */
static int ppc_rtas_progress_show(struct seq_file *m, void *v)
{
- if (progress_led)
+ if (progress_led[0])
seq_printf(m, "%s\n", progress_led);
return 0;
}
@@ -446,11 +429,11 @@ 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 = of_get_property(rtas_node, rstr, &llen);
/* A sensor may have multiple instances */
for (j = 0, offs = 0; j <= p->quant; j++) {
@@ -474,10 +457,10 @@ 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 = of_get_property(rtas_node, "rtas-sensors", &len);
if (utmp == NULL) {
printk (KERN_ERR "error: could not get rtas-sensors\n");
return 1;
@@ -530,7 +513,7 @@ 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 +665,7 @@ 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 +702,7 @@ 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 +716,8 @@ 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 */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-12-07 18:56:43 +0000