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Subject[PATCH 2/2] PM / QoS: unconditionally build the per-device constraints feature
Date
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
--
1.7.5.4


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