summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Documentation/power/pm_qos_interface.txt7
-rw-r--r--include/linux/pm_qos_params.h2
-rw-r--r--kernel/pm_qos_params.c16
3 files changed, 15 insertions, 10 deletions
diff --git a/Documentation/power/pm_qos_interface.txt b/Documentation/power/pm_qos_interface.txt
index 49adb1a33514..c40866e8b957 100644
--- a/Documentation/power/pm_qos_interface.txt
+++ b/Documentation/power/pm_qos_interface.txt
@@ -1,4 +1,4 @@
-PM quality of Service interface.
+PM Quality Of Service Interface.
This interface provides a kernel and user mode interface for registering
performance expectations by drivers, subsystems and user space applications on
@@ -7,6 +7,11 @@ one of the parameters.
Currently we have {cpu_dma_latency, network_latency, network_throughput} as the
initial set of pm_qos parameters.
+Each parameters have defined units:
+ * latency: usec
+ * timeout: usec
+ * throughput: kbs (kilo bit / sec)
+
The infrastructure exposes multiple misc device nodes one per implemented
parameter. The set of parameters implement is defined by pm_qos_power_init()
and pm_qos_params.h. This is done because having the available parameters
diff --git a/include/linux/pm_qos_params.h b/include/linux/pm_qos_params.h
index 2e4e97bd19f7..d74f75ed1e47 100644
--- a/include/linux/pm_qos_params.h
+++ b/include/linux/pm_qos_params.h
@@ -1,6 +1,6 @@
/* interface for the pm_qos_power infrastructure of the linux kernel.
*
- * Mark Gross
+ * Mark Gross <mgross@linux.intel.com>
*/
#include <linux/list.h>
#include <linux/notifier.h>
diff --git a/kernel/pm_qos_params.c b/kernel/pm_qos_params.c
index 8cb757026386..da9c2dda6a4e 100644
--- a/kernel/pm_qos_params.c
+++ b/kernel/pm_qos_params.c
@@ -24,7 +24,7 @@
* requirement that the application has is cleaned up when closes the file
* pointer or exits the pm_qos_object will get an opportunity to clean up.
*
- * mark gross mgross@linux.intel.com
+ * Mark Gross <mgross@linux.intel.com>
*/
#include <linux/pm_qos_params.h>
@@ -211,8 +211,8 @@ EXPORT_SYMBOL_GPL(pm_qos_requirement);
* @value: defines the qos request
*
* This function inserts a new entry in the pm_qos_class list of requested qos
- * performance charactoistics. It recomputes the agregate QoS expectations for
- * the pm_qos_class of parrameters.
+ * performance characteristics. It recomputes the aggregate QoS expectations
+ * for the pm_qos_class of parameters.
*/
int pm_qos_add_requirement(int pm_qos_class, char *name, s32 value)
{
@@ -250,10 +250,10 @@ EXPORT_SYMBOL_GPL(pm_qos_add_requirement);
* @name: identifies the request
* @value: defines the qos request
*
- * Updates an existing qos requierement for the pm_qos_class of parameters along
+ * Updates an existing qos requirement for the pm_qos_class of parameters along
* with updating the target pm_qos_class value.
*
- * If the named request isn't in the lest then no change is made.
+ * If the named request isn't in the list then no change is made.
*/
int pm_qos_update_requirement(int pm_qos_class, char *name, s32 new_value)
{
@@ -287,7 +287,7 @@ EXPORT_SYMBOL_GPL(pm_qos_update_requirement);
* @pm_qos_class: identifies which list of qos request to us
* @name: identifies the request
*
- * Will remove named qos request from pm_qos_class list of parrameters and
+ * Will remove named qos request from pm_qos_class list of parameters and
* recompute the current target value for the pm_qos_class.
*/
void pm_qos_remove_requirement(int pm_qos_class, char *name)
@@ -319,7 +319,7 @@ EXPORT_SYMBOL_GPL(pm_qos_remove_requirement);
* @notifier: notifier block managed by caller.
*
* will register the notifier into a notification chain that gets called
- * uppon changes to the pm_qos_class target value.
+ * upon changes to the pm_qos_class target value.
*/
int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier)
{
@@ -338,7 +338,7 @@ EXPORT_SYMBOL_GPL(pm_qos_add_notifier);
* @notifier: notifier block to be removed.
*
* will remove the notifier from the notification chain that gets called
- * uppon changes to the pm_qos_class target value.
+ * upon changes to the pm_qos_class target value.
*/
int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier)
{