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authorThomas Renninger <trenn@suse.de>2009-04-22 13:48:31 +0200
committerDave Jones <davej@redhat.com>2009-06-15 11:49:41 -0400
commit4f4d1ad6ee69027f51f9d137f7e7d3c863cbc53d (patch)
treece64f81a573ac07c78abb835a84bc59c31c9cb18 /drivers/cpufreq
parent86e13684aa77f07c77db352f437d9e53a84dde90 (diff)
[CPUFREQ] Only set sampling_rate_max deprecated, sampling_rate_min is useful
Update the documentation accordingly. Cleanup and use printk_once. Signed-off-by: Thomas Renninger <trenn@suse.de> Signed-off-by: Dave Jones <davej@redhat.com>
Diffstat (limited to 'drivers/cpufreq')
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c17
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c18
2 files changed, 4 insertions, 31 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 06bfe1c572c..7fc58af748b 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -167,26 +167,13 @@ static struct notifier_block dbs_cpufreq_notifier_block = {
/************************** sysfs interface ************************/
static ssize_t show_sampling_rate_max(struct cpufreq_policy *policy, char *buf)
{
- static int print_once;
-
- if (!print_once) {
- printk(KERN_INFO "CPUFREQ: conservative sampling_rate_max "
- "sysfs file is deprecated - used by: %s\n",
- current->comm);
- print_once = 1;
- }
+ printk_once(KERN_INFO "CPUFREQ: conservative sampling_rate_max "
+ "sysfs file is deprecated - used by: %s\n", current->comm);
return sprintf(buf, "%u\n", -1U);
}
static ssize_t show_sampling_rate_min(struct cpufreq_policy *policy, char *buf)
{
- static int print_once;
-
- if (!print_once) {
- printk(KERN_INFO "CPUFREQ: conservative sampling_rate_max "
- "sysfs file is deprecated - used by: %s\n", current->comm);
- print_once = 1;
- }
return sprintf(buf, "%u\n", min_sampling_rate);
}
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index a235114c3d8..1911d172935 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -205,27 +205,13 @@ static void ondemand_powersave_bias_init(void)
/************************** sysfs interface ************************/
static ssize_t show_sampling_rate_max(struct cpufreq_policy *policy, char *buf)
{
- static int print_once;
-
- if (!print_once) {
- printk(KERN_INFO "CPUFREQ: ondemand sampling_rate_max "
- "sysfs file is deprecated - used by: %s\n",
- current->comm);
- print_once = 1;
- }
+ printk_once(KERN_INFO "CPUFREQ: ondemand sampling_rate_max "
+ "sysfs file is deprecated - used by: %s\n", current->comm);
return sprintf(buf, "%u\n", -1U);
}
static ssize_t show_sampling_rate_min(struct cpufreq_policy *policy, char *buf)
{
- static int print_once;
-
- if (!print_once) {
- printk(KERN_INFO "CPUFREQ: ondemand sampling_rate_min "
- "sysfs file is deprecated - used by: %s\n",
- current->comm);
- print_once = 1;
- }
return sprintf(buf, "%u\n", min_sampling_rate);
}