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authorAntti P Miettinen <amiettinen@nvidia.com>2011-12-27 12:28:21 +0200
committerVarun Colbert <vcolbert@nvidia.com>2012-01-19 16:16:42 -0800
commit3dc66d7569cc6065bd1be8f58fae195a5c7451f4 (patch)
tree016528adadd551db8293bf57c8128ffd9fec0378 /kernel
parentde61a4105470839963926316a3c64f33222d924d (diff)
PM QoS: Add CPU frequency min/max as PM QoS params
Add minimum and maximum CPU frequency as PM QoS parameters. Bug 888312 Change-Id: I18abddded35a044a6ad8365035e31d1a2213a329 Reviewed-on: http://git-master/r/72206 Signed-off-by: Antti P Miettinen <amiettinen@nvidia.com> Signed-off-by: Varun Wadekar <vwadekar@nvidia.com> Reviewed-on: http://git-master/r/75883 Reviewed-by: Automatic_Commit_Validation_User
Diffstat (limited to 'kernel')
-rw-r--r--kernel/pm_qos_params.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/kernel/pm_qos_params.c b/kernel/pm_qos_params.c
index 06e74202a8b9..f798df9b2b0d 100644
--- a/kernel/pm_qos_params.c
+++ b/kernel/pm_qos_params.c
@@ -114,12 +114,36 @@ static struct pm_qos_object max_online_cpus_pm_qos = {
};
+static BLOCKING_NOTIFIER_HEAD(cpu_freq_min_notifier);
+static struct pm_qos_object cpu_freq_min_pm_qos = {
+ .requests = PLIST_HEAD_INIT(cpu_freq_min_pm_qos.requests, pm_qos_lock),
+ .notifiers = &cpu_freq_min_notifier,
+ .name = "cpu_freq_min",
+ .target_value = PM_QOS_CPU_FREQ_MIN_DEFAULT_VALUE,
+ .default_value = PM_QOS_CPU_FREQ_MIN_DEFAULT_VALUE,
+ .type = PM_QOS_MAX,
+};
+
+
+static BLOCKING_NOTIFIER_HEAD(cpu_freq_max_notifier);
+static struct pm_qos_object cpu_freq_max_pm_qos = {
+ .requests = PLIST_HEAD_INIT(cpu_freq_max_pm_qos.requests, pm_qos_lock),
+ .notifiers = &cpu_freq_max_notifier,
+ .name = "cpu_freq_max",
+ .target_value = PM_QOS_CPU_FREQ_MAX_DEFAULT_VALUE,
+ .default_value = PM_QOS_CPU_FREQ_MAX_DEFAULT_VALUE,
+ .type = PM_QOS_MIN,
+};
+
+
static struct pm_qos_object *pm_qos_array[] = {
&null_pm_qos,
&cpu_dma_pm_qos,
&network_lat_pm_qos,
&network_throughput_pm_qos,
- &max_online_cpus_pm_qos
+ &max_online_cpus_pm_qos,
+ &cpu_freq_min_pm_qos,
+ &cpu_freq_max_pm_qos
};
static ssize_t pm_qos_power_write(struct file *filp, const char __user *buf,