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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-16 18:02:30 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-16 18:02:30 -0500
commit97740400bc76b64781d01f8cdfbcf750582006ef (patch)
tree85900329fbce72011339ab2348dcf13dde2a64fd /drivers
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')
-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 92e6a9048065..978bbf7ac6af 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)
1429 return 0; 1429 return 0;
1430} 1430}
1431 1431
1432#ifdef CONFIG_PM_SLEEP
1433
1432/** 1434/**
1433 * pm_genpd_default_suspend - Default "device suspend" for PM domians. 1435 * pm_genpd_default_suspend - Default "device suspend" for PM domians.
1434 * @dev: Device to handle. 1436 * @dev: Device to handle.
@@ -1517,6 +1519,19 @@ static int pm_genpd_default_thaw(struct device *dev)
1517 return cb ? cb(dev) : pm_generic_thaw(dev); 1519 return cb ? cb(dev) : pm_generic_thaw(dev);
1518} 1520}
1519 1521
1522#else /* !CONFIG_PM_SLEEP */
1523
1524#define pm_genpd_default_suspend NULL
1525#define pm_genpd_default_suspend_late NULL
1526#define pm_genpd_default_resume_early NULL
1527#define pm_genpd_default_resume NULL
1528#define pm_genpd_default_freeze NULL
1529#define pm_genpd_default_freeze_late NULL
1530#define pm_genpd_default_thaw_early NULL
1531#define pm_genpd_default_thaw NULL
1532
1533#endif /* !CONFIG_PM_SLEEP */
1534
1520/** 1535/**
1521 * pm_genpd_init - Initialize a generic I/O PM domain object. 1536 * pm_genpd_init - Initialize a generic I/O PM domain object.
1522 * @genpd: PM domain object to initialize. 1537 * @genpd: PM domain object to initialize.
diff --git a/drivers/base/power/domain_governor.c b/drivers/base/power/domain_governor.c
index 51527ee92d10..66a265bf5867 100644
--- a/drivers/base/power/domain_governor.c
+++ b/drivers/base/power/domain_governor.c
@@ -12,6 +12,8 @@
12#include <linux/pm_qos.h> 12#include <linux/pm_qos.h>
13#include <linux/hrtimer.h> 13#include <linux/hrtimer.h>
14 14
15#ifdef CONFIG_PM_RUNTIME
16
15/** 17/**
16 * default_stop_ok - Default PM domain governor routine for stopping devices. 18 * default_stop_ok - Default PM domain governor routine for stopping devices.
17 * @dev: Device to check. 19 * @dev: Device to check.
@@ -137,16 +139,28 @@ static bool default_power_down_ok(struct dev_pm_domain *pd)
137 return true; 139 return true;
138} 140}
139 141
140struct dev_power_governor simple_qos_governor = {
141 .stop_ok = default_stop_ok,
142 .power_down_ok = default_power_down_ok,
143};
144
145static bool always_on_power_down_ok(struct dev_pm_domain *domain) 142static bool always_on_power_down_ok(struct dev_pm_domain *domain)
146{ 143{
147 return false; 144 return false;
148} 145}
149 146
147#else /* !CONFIG_PM_RUNTIME */
148
149bool default_stop_ok(struct device *dev)
150{
151 return false;
152}
153
154#define default_power_down_ok NULL
155#define always_on_power_down_ok NULL
156
157#endif /* !CONFIG_PM_RUNTIME */
158
159struct dev_power_governor simple_qos_governor = {
160 .stop_ok = default_stop_ok,
161 .power_down_ok = default_power_down_ok,
162};
163
150/** 164/**
151 * pm_genpd_gov_always_on - A governor implementing an always-on policy 165 * pm_genpd_gov_always_on - A governor implementing an always-on policy
152 */ 166 */