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PM QOS update

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This patch changes the string based list management to a handle base
implementation to help with the hot path use of pm-qos, it also renames
much of the API to use "request" as opposed to "requirement" that was
used in the initial implementation.  I did this because request more
accurately represents what it actually does.

Also, I added a string based ABI for users wanting to use a string
interface.  So if the user writes 0xDDDDDDDD formatted hex it will be
accepted by the interface.  (someone asked me for it and I don't think
it hurts anything.)

This patch updates some documentation input I got from Randy.

Signed-off-by: markgross <mgross@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
This commit is contained in:
Mark Gross
2010-05-06 01:59:26 +02:00
committed by Rafael J. Wysocki
parent 0fef8b1e83
commit ed77134bfc
14 changed files with 175 additions and 170 deletions
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14
include/linux/pm_qos_params.h
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@@ -14,12 +14,14 @@
#define PM_QOS_NUM_CLASSES 4
#define PM_QOS_DEFAULT_VALUE -1
int pm_qos_add_requirement(int qos, char *name, s32 value);
int pm_qos_update_requirement(int qos, char *name, s32 new_value);
void pm_qos_remove_requirement(int qos, char *name);
struct pm_qos_request_list;
int pm_qos_requirement(int qos);
struct pm_qos_request_list *pm_qos_add_request(int pm_qos_class, s32 value);
void pm_qos_update_request(struct pm_qos_request_list *pm_qos_req,
s32 new_value);
void pm_qos_remove_request(struct pm_qos_request_list *pm_qos_req);
int pm_qos_add_notifier(int qos, struct notifier_block *notifier);
int pm_qos_remove_notifier(int qos, struct notifier_block *notifier);
int pm_qos_request(int pm_qos_class);
int pm_qos_add_notifier(int pm_qos_class, struct notifier_block *notifier);
int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier);