| Message ID | 1311841821-10252-3-git-send-email-j-pihet@ti.com (mailing list archive) |
|---|---|
| State | Changes Requested, archived |
| Headers | show |
On Thursday, July 28, 2011, jean.pihet@newoldbits.com wrote: > From: Jean Pihet <j-pihet@ti.com> > > 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 <j-pihet@ti.com> This one looks good to me. Thanks, Rafael > --- > 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); >
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);