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SubjectRe: [PATCH 2/2] PM / QoS: unconditionally build the per-device constraints feature
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On Sunday, February 12, 2012, mark gross wrote:
> why are these two patches?
>
> I think you could squash them into one and it would be just fine.

Well, what sense does _device_ PM QoS make without CONFIG_PM?

Rafael


> On Tue, Feb 07, 2012 at 09:34:06AM +0100, Jean Pihet wrote:
> > The per-device PM QoS feature depends on CONFIG_PM which depends
> > on PM_SLEEP || PM_RUNTIME. This breaks CPU C-states with kernels
> > not having these CONFIGs.
> >
> > This patch allows the feature in all cases.
> >
> > Signed-off-by: Jean Pihet <j-pihet@ti.com>
> > Cc: Rafael J. Wysocki <rjw@sisk.pl>
> > Cc: Mark Gross <markgross@thegnar.org>
> > ---
> > drivers/base/power/Makefile | 3 ++-
> > include/linux/pm_qos.h | 39 ---------------------------------------
> > 2 files changed, 2 insertions(+), 40 deletions(-)
> >
> > diff --git a/drivers/base/power/Makefile b/drivers/base/power/Makefile
> > index 2e58ebb..312eb65 100644
> > --- a/drivers/base/power/Makefile
> > +++ b/drivers/base/power/Makefile
> > @@ -1,4 +1,5 @@
> > -obj-$(CONFIG_PM) += sysfs.o generic_ops.o common.o qos.o
> > +obj-y += qos.o
> > +obj-$(CONFIG_PM) += sysfs.o generic_ops.o common.o
> > obj-$(CONFIG_PM_SLEEP) += main.o wakeup.o
> > obj-$(CONFIG_PM_RUNTIME) += runtime.o
> > obj-$(CONFIG_PM_TRACE_RTC) += trace.o
> > diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
> > index 105be69..37b017a 100644
> > --- a/include/linux/pm_qos.h
> > +++ b/include/linux/pm_qos.h
> > @@ -77,7 +77,6 @@ int pm_qos_remove_notifier(int pm_qos_class, struct notifier_block *notifier);
> > int pm_qos_request_active(struct pm_qos_request *req);
> > s32 pm_qos_read_value(struct pm_qos_constraints *c);
> >
> > -#ifdef CONFIG_PM
> > s32 __dev_pm_qos_read_value(struct device *dev);
> > s32 dev_pm_qos_read_value(struct device *dev);
> > int dev_pm_qos_add_request(struct device *dev, struct dev_pm_qos_request *req,
> > @@ -94,43 +93,5 @@ void dev_pm_qos_constraints_init(struct device *dev);
> > void dev_pm_qos_constraints_destroy(struct device *dev);
> > int dev_pm_qos_add_ancestor_request(struct device *dev,
> > struct dev_pm_qos_request *req, s32 value);
> > -#else
> > -static inline s32 __dev_pm_qos_read_value(struct device *dev)
> > - { return 0; }
> > -static inline s32 dev_pm_qos_read_value(struct device *dev)
> > - { return 0; }
> > -static inline int dev_pm_qos_add_request(struct device *dev,
> > - struct dev_pm_qos_request *req,
> > - s32 value)
> > - { return 0; }
> > -static inline int dev_pm_qos_update_request(struct dev_pm_qos_request *req,
> > - s32 new_value)
> > - { return 0; }
> > -static inline int dev_pm_qos_remove_request(struct dev_pm_qos_request *req)
> > - { return 0; }
> > -static inline int dev_pm_qos_add_notifier(struct device *dev,
> > - struct notifier_block *notifier)
> > - { return 0; }
> > -static inline int dev_pm_qos_remove_notifier(struct device *dev,
> > - struct notifier_block *notifier)
> > - { return 0; }
> > -static inline int dev_pm_qos_add_global_notifier(
> > - struct notifier_block *notifier)
> > - { return 0; }
> > -static inline int dev_pm_qos_remove_global_notifier(
> > - struct notifier_block *notifier)
> > - { return 0; }
> > -static inline void dev_pm_qos_constraints_init(struct device *dev)
> > -{
> > - dev->power.power_state = PMSG_ON;
> > -}
> > -static inline void dev_pm_qos_constraints_destroy(struct device *dev)
> > -{
> > - dev->power.power_state = PMSG_INVALID;
> > -}
> > -static inline int dev_pm_qos_add_ancestor_request(struct device *dev,
> > - struct dev_pm_qos_request *req, s32 value)
> > - { return 0; }
> > -#endif
> >
> > #endif
>
>



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