From: Jean Pihet <[email protected]> Add the field latency_constraints in the struct dev_pm_info and the initialization of the plist in device_pm_init.
This enables the implementation of per-device constraints in PM QoS. Signed-off-by: Jean Pihet <[email protected]> --- drivers/base/power/main.c | 1 + include/linux/pm.h | 2 ++ 2 files changed, 3 insertions(+), 0 deletions(-) diff --git a/drivers/base/power/main.c b/drivers/base/power/main.c index 06f09bf..dad2eb9 100644 --- a/drivers/base/power/main.c +++ b/drivers/base/power/main.c @@ -97,6 +97,7 @@ void device_pm_add(struct device *dev) dev_name(dev->parent)); list_add_tail(&dev->power.entry, &dpm_list); mutex_unlock(&dpm_list_mtx); + plist_head_init(&dev->power.latency_constraints, &dev->power.lock); } /** diff --git a/include/linux/pm.h b/include/linux/pm.h index 411e4f4..23c85f1 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -22,6 +22,7 @@ #define _LINUX_PM_H #include <linux/list.h> +#include <linux/plist.h> #include <linux/workqueue.h> #include <linux/spinlock.h> #include <linux/wait.h> @@ -463,6 +464,7 @@ struct dev_pm_info { unsigned long accounting_timestamp; void *subsys_data; /* Owned by the subsystem. */ #endif + struct plist_head latency_constraints; }; extern void update_pm_runtime_accounting(struct device *dev); -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
