[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>

1 files changed, 15 insertions, 0 deletions

diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index c6b3c6a02fc..0912d7ca8cd 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);
 }