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Commit bf1db69f authored by Richard Hughes's avatar Richard Hughes Committed by Linus Torvalds
Browse files

pm_qos: spelling fixes 



A documentation cleanup patch.  With a minor tweak to clarify units for
kbs.

[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: default avatarmark gross <mgross@linux.intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 7c44319d

Documentation/power/pm_qos_interface.txt

+6 −1
Original line number Diff line number Diff line 
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

include/linux/pm_qos_params.h

+1 −1
Original line number Diff line number Diff line 
/* 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>

kernel/pm_qos_params.c

+8 −8
Original line number Diff line number Diff line
@@ -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)

{