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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-16 15:02:30 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-16 15:02:30 -0800
commit97740400bc76b64781d01f8cdfbcf750582006ef (patch)
tree85900329fbce72011339ab2348dcf13dde2a64fd /drivers/base
parent408e057870c8680a50963b08f9f7efaa151a74ec (diff)
parentee34a37049114303011e154478c63b977bcff24c (diff)
Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: PM / Hibernate: Drop the check of swap space size for compressed image PM / shmobile: fix A3SP suspend method PM / Domains: Skip governor functions for CONFIG_PM_RUNTIME unset PM / Domains: Fix build for CONFIG_PM_SLEEP unset PM: Make sysrq-o be available for CONFIG_PM unset
Diffstat (limited to 'drivers/base')
-rw-r--r--drivers/base/power/domain.c15
-rw-r--r--drivers/base/power/domain_governor.c24
2 files changed, 34 insertions, 5 deletions
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 92e6a904806..978bbf7ac6a 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -1429,6 +1429,8 @@ static int pm_genpd_default_restore_state(struct device *dev)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+
/**
* pm_genpd_default_suspend - Default "device suspend" for PM domians.
* @dev: Device to handle.
@@ -1517,6 +1519,19 @@ static int pm_genpd_default_thaw(struct device *dev)
return cb ? cb(dev) : pm_generic_thaw(dev);
}
+#else /* !CONFIG_PM_SLEEP */
+
+#define pm_genpd_default_suspend NULL
+#define pm_genpd_default_suspend_late NULL
+#define pm_genpd_default_resume_early NULL
+#define pm_genpd_default_resume NULL
+#define pm_genpd_default_freeze NULL
+#define pm_genpd_default_freeze_late NULL
+#define pm_genpd_default_thaw_early NULL
+#define pm_genpd_default_thaw NULL
+
+#endif /* !CONFIG_PM_SLEEP */
+
/**
* pm_genpd_init - Initialize a generic I/O PM domain object.
* @genpd: PM domain object to initialize.
diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
index 51527ee92d1..66a265bf586 100644
--- a/drivers/base/power/domain_governor.c
+++ b/drivers/base/power/domain_governor.c
@@ -12,6 +12,8 @@
#include <linux/pm_qos.h>
#include <linux/hrtimer.h>
+#ifdef CONFIG_PM_RUNTIME
+
/**
* default_stop_ok - Default PM domain governor routine for stopping devices.
* @dev: Device to check.
@@ -137,16 +139,28 @@ static bool default_power_down_ok(struct dev_pm_domain *pd)
return true;
}
-struct dev_power_governor simple_qos_governor = {
- .stop_ok = default_stop_ok,
- .power_down_ok = default_power_down_ok,
-};
-
static bool always_on_power_down_ok(struct dev_pm_domain *domain)
{
return false;
}
+#else /* !CONFIG_PM_RUNTIME */
+
+bool default_stop_ok(struct device *dev)
+{
+ return false;
+}
+
+#define default_power_down_ok NULL
+#define always_on_power_down_ok NULL
+
+#endif /* !CONFIG_PM_RUNTIME */
+
+struct dev_power_governor simple_qos_governor = {
+ .stop_ok = default_stop_ok,
+ .power_down_ok = default_power_down_ok,
+};
+
/**
* pm_genpd_gov_always_on - A governor implementing an always-on policy
*/