x86 idle APM: deprecate CONFIG_APM_CPU_IDLE

[pandora-kernel.git] / arch / x86 / kernel / apm_32.c

diff --git a/arch/x86/kernel/apm_32.c b/arch/x86/kernel/apm_32.c
index 0e4f24c..4c4ac32 100644 (file)
--- a/arch/x86/kernel/apm_32.c
+++ b/arch/x86/kernel/apm_32.c
@@ -359,6 +359,7 @@ struct apm_user {
  * idle percentage above which bios idle calls are done
  */
 #ifdef CONFIG_APM_CPU_IDLE
+#warning deprecated CONFIG_APM_CPU_IDLE will be deleted in 2012
 #define DEFAULT_IDLE_THRESHOLD 95
 #else
 #define DEFAULT_IDLE_THRESHOLD 100
@@ -902,6 +903,7 @@ static void apm_cpu_idle(void)
        unsigned int jiffies_since_last_check = jiffies - last_jiffies;
        unsigned int bucket;
 
+       WARN_ONCE(1, "deprecated apm_cpu_idle will be deleted in 2012");
 recalc:
        if (jiffies_since_last_check > IDLE_CALC_LIMIT) {
                use_apm_idle = 0;