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authorThomas Renninger <trenn@suse.de>2009-02-04 13:54:04 +0300
committerDave Jones <davej@redhat.com>2009-02-25 06:47:31 +0300
commit9411b4ef7fcb534fe1582fe02738254e398dd931 (patch)
tree86b7fcf2f085427fc3ea2b7f51527a0af7e6e1df /drivers/cpufreq
parent57f4fa699195b761cbea90db5e38b4bc15610c7c (diff)
downloadlinux-9411b4ef7fcb534fe1582fe02738254e398dd931.tar.xz
[CPUFREQ] ondemand/conservative: deprecate sampling_rate{min,max}
The same info can be obtained via the transition_latency sysfs file 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.c15
-rw-r--r--drivers/cpufreq/cpufreq_ondemand.c17
2 files changed, 32 insertions, 0 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index c6b3c6a02fc9..0912d7ca8cd7 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -140,11 +140,26 @@ 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;
+ }
return sprintf(buf, "%u\n", MAX_SAMPLING_RATE);
}
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 1fa4420eb33c..32ddeaa42244 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -21,6 +21,7 @@
#include <linux/hrtimer.h>
#include <linux/tick.h>
#include <linux/ktime.h>
+#include <linux/sched.h>
/*
* dbs is used in this file as a shortform for demandbased switching
@@ -203,11 +204,27 @@ 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;
+ }
return sprintf(buf, "%u\n", MAX_SAMPLING_RATE);
}
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);
}