summaryrefslogtreecommitdiff
path: root/drivers/cpufreq/e_powersaver.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/cpufreq/e_powersaver.c')
-rw-r--r--drivers/cpufreq/e_powersaver.c23
1 files changed, 3 insertions, 20 deletions
diff --git a/drivers/cpufreq/e_powersaver.c b/drivers/cpufreq/e_powersaver.c
index b39c4ef..9012b8b 100644
--- a/drivers/cpufreq/e_powersaver.c
+++ b/drivers/cpufreq/e_powersaver.c
@@ -107,15 +107,9 @@ static int eps_set_state(struct eps_cpu_data *centaur,
struct cpufreq_policy *policy,
u32 dest_state)
{
- struct cpufreq_freqs freqs;
u32 lo, hi;
- int err = 0;
int i;
- freqs.old = eps_get(policy->cpu);
- freqs.new = centaur->fsb * ((dest_state >> 8) & 0xff);
- cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
-
/* Wait while CPU is busy */
rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
i = 0;
@@ -124,8 +118,7 @@ static int eps_set_state(struct eps_cpu_data *centaur,
rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
i++;
if (unlikely(i > 64)) {
- err = -ENODEV;
- goto postchange;
+ return -ENODEV;
}
}
/* Set new multiplier and voltage */
@@ -137,16 +130,10 @@ static int eps_set_state(struct eps_cpu_data *centaur,
rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
i++;
if (unlikely(i > 64)) {
- err = -ENODEV;
- goto postchange;
+ return -ENODEV;
}
} while (lo & ((1 << 16) | (1 << 17)));
- /* Return current frequency */
-postchange:
- rdmsr(MSR_IA32_PERF_STATUS, lo, hi);
- freqs.new = centaur->fsb * ((lo >> 8) & 0xff);
-
#ifdef DEBUG
{
u8 current_multiplier, current_voltage;
@@ -161,11 +148,7 @@ postchange:
current_multiplier);
}
#endif
- if (err)
- freqs.new = freqs.old;
-
- cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
- return err;
+ return 0;
}
static int eps_target(struct cpufreq_policy *policy, unsigned int index)