diff options
| author | Sai Charan Gurrappadi <sgurrappadi@nvidia.com> | 2012-07-10 17:33:58 -0700 |
|---|---|---|
| committer | Lokesh Pathak <lpathak@nvidia.com> | 2012-07-25 04:02:17 -0700 |
| commit | 6dc1107e55f5b6eefd6c6314624905e33bac5b49 (patch) | |
| tree | 79e519bb95f52789b666d05ab5ae61267469811e /include | |
| parent | a68ae587edbc3ca5d3216d39c462abd84f469027 (diff) | |
ARM: tegra: cpuquiet: Notify the cpuquiet governor when the driver is busy
Added generic busy/free notifiers that the driver can invoke to let the
governor know that it cannot process further core online/offline
requests (invoked in our case whenever we switch to the LP cluster).
Change-Id: I5e3f7f28f38806a7f87050e8d0c8d2f2cf7521aa
Signed-off-by: Sai Charan Gurrappadi <sgurrappadi@nvidia.com>
Reviewed-on: http://git-master/r/114807
Reviewed-by: Lokesh Pathak <lpathak@nvidia.com>
Tested-by: Lokesh Pathak <lpathak@nvidia.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/cpuquiet.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/cpuquiet.h b/include/linux/cpuquiet.h index fe5a03727739..5558c015bb50 100644 --- a/include/linux/cpuquiet.h +++ b/include/linux/cpuquiet.h @@ -30,6 +30,8 @@ struct cpuquiet_governor { int (*start) (void); void (*stop) (void); int (*store_active) (unsigned int cpu, bool active); + void (*device_free_notification) (void); + void (*device_busy_notification) (void); struct module *owner; }; @@ -47,6 +49,8 @@ extern int cpuquiet_register_driver(struct cpuquiet_driver *drv); extern void cpuquiet_unregister_driver(struct cpuquiet_driver *drv); extern int cpuquiet_add_group(struct attribute_group *attrs); extern void cpuquiet_remove_group(struct attribute_group *attrs); +extern void cpuquiet_device_busy(void); +extern void cpuquiet_device_free(void); int cpuquiet_kobject_init(struct kobject *kobj, struct kobj_type *type, char *name); extern unsigned int nr_cluster_ids; |