From 25cdc1bb4b547bcdbc43b1d473e35fd35de4c5c5 Mon Sep 17 00:00:00 2001 From: Richard Hughes Date: Tue, 5 Aug 2008 13:01:35 -0700 Subject: [PATCH] --- yaml --- r: 107685 b: refs/heads/master c: bf1db69fbf4ff511e88736ce2e6318846f34492b h: refs/heads/master i: 107683: 07bb55fa987161e5f2faabfef10211baaf43bf04 v: v3 --- [refs] | 2 +- trunk/Documentation/power/pm_qos_interface.txt | 7 ++++++- trunk/include/linux/pm_qos_params.h | 2 +- trunk/kernel/pm_qos_params.c | 16 ++++++++-------- 4 files changed, 16 insertions(+), 11 deletions(-) diff --git a/[refs] b/[refs] index 23a73012671c..6d776b5d5cbe 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 7c44319dc6deb0028ef7811670bf1e4bc6644672 +refs/heads/master: bf1db69fbf4ff511e88736ce2e6318846f34492b diff --git a/trunk/Documentation/power/pm_qos_interface.txt b/trunk/Documentation/power/pm_qos_interface.txt index 49adb1a33514..c40866e8b957 100644 --- a/trunk/Documentation/power/pm_qos_interface.txt +++ b/trunk/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/trunk/include/linux/pm_qos_params.h b/trunk/include/linux/pm_qos_params.h index 2e4e97bd19f7..d74f75ed1e47 100644 --- a/trunk/include/linux/pm_qos_params.h +++ b/trunk/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 */ #include #include diff --git a/trunk/kernel/pm_qos_params.c b/trunk/kernel/pm_qos_params.c index 8cb757026386..da9c2dda6a4e 100644 --- a/trunk/kernel/pm_qos_params.c +++ b/trunk/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 */ #include @@ -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) {