diff options
author | Paul Mundt <lethal@linux-sh.org> | 2011-03-17 07:44:08 (GMT) |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2011-03-17 07:44:08 (GMT) |
commit | 1d2a1959fe534279cf37aba20b08c24c20840e52 (patch) | |
tree | 67c0b9aa7fe22a44bf0b4af88947799203eb8f67 /drivers/base/power/sysfs.c | |
parent | 5a79ce76e9bb8f4b2cd8106ee36d15ee05013bcf (diff) | |
parent | 054cfaacf88865bff1dd58d305443d5d6c068a08 (diff) | |
download | linux-1d2a1959fe534279cf37aba20b08c24c20840e52.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into sh-latest
Diffstat (limited to 'drivers/base/power/sysfs.c')
-rw-r--r-- | drivers/base/power/sysfs.c | 78 |
1 files changed, 51 insertions, 27 deletions
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c index 0b1e46b..fff49be 100644 --- a/drivers/base/power/sysfs.c +++ b/drivers/base/power/sysfs.c @@ -431,26 +431,18 @@ static ssize_t async_store(struct device *dev, struct device_attribute *attr, static DEVICE_ATTR(async, 0644, async_show, async_store); #endif /* CONFIG_PM_ADVANCED_DEBUG */ -static struct attribute * power_attrs[] = { - &dev_attr_wakeup.attr, -#ifdef CONFIG_PM_SLEEP - &dev_attr_wakeup_count.attr, - &dev_attr_wakeup_active_count.attr, - &dev_attr_wakeup_hit_count.attr, - &dev_attr_wakeup_active.attr, - &dev_attr_wakeup_total_time_ms.attr, - &dev_attr_wakeup_max_time_ms.attr, - &dev_attr_wakeup_last_time_ms.attr, -#endif +static struct attribute *power_attrs[] = { #ifdef CONFIG_PM_ADVANCED_DEBUG +#ifdef CONFIG_PM_SLEEP &dev_attr_async.attr, +#endif #ifdef CONFIG_PM_RUNTIME &dev_attr_runtime_status.attr, &dev_attr_runtime_usage.attr, &dev_attr_runtime_active_kids.attr, &dev_attr_runtime_enabled.attr, #endif -#endif +#endif /* CONFIG_PM_ADVANCED_DEBUG */ NULL, }; static struct attribute_group pm_attr_group = { @@ -458,9 +450,26 @@ static struct attribute_group pm_attr_group = { .attrs = power_attrs, }; -#ifdef CONFIG_PM_RUNTIME +static struct attribute *wakeup_attrs[] = { +#ifdef CONFIG_PM_SLEEP + &dev_attr_wakeup.attr, + &dev_attr_wakeup_count.attr, + &dev_attr_wakeup_active_count.attr, + &dev_attr_wakeup_hit_count.attr, + &dev_attr_wakeup_active.attr, + &dev_attr_wakeup_total_time_ms.attr, + &dev_attr_wakeup_max_time_ms.attr, + &dev_attr_wakeup_last_time_ms.attr, +#endif + NULL, +}; +static struct attribute_group pm_wakeup_attr_group = { + .name = power_group_name, + .attrs = wakeup_attrs, +}; static struct attribute *runtime_attrs[] = { +#ifdef CONFIG_PM_RUNTIME #ifndef CONFIG_PM_ADVANCED_DEBUG &dev_attr_runtime_status.attr, #endif @@ -468,6 +477,7 @@ static struct attribute *runtime_attrs[] = { &dev_attr_runtime_suspended_time.attr, &dev_attr_runtime_active_time.attr, &dev_attr_autosuspend_delay_ms.attr, +#endif /* CONFIG_PM_RUNTIME */ NULL, }; static struct attribute_group pm_runtime_attr_group = { @@ -480,35 +490,49 @@ int dpm_sysfs_add(struct device *dev) int rc; rc = sysfs_create_group(&dev->kobj, &pm_attr_group); - if (rc == 0 && !dev->power.no_callbacks) { + if (rc) + return rc; + + if (pm_runtime_callbacks_present(dev)) { rc = sysfs_merge_group(&dev->kobj, &pm_runtime_attr_group); if (rc) - sysfs_remove_group(&dev->kobj, &pm_attr_group); + goto err_out; + } + + if (device_can_wakeup(dev)) { + rc = sysfs_merge_group(&dev->kobj, &pm_wakeup_attr_group); + if (rc) { + if (pm_runtime_callbacks_present(dev)) + sysfs_unmerge_group(&dev->kobj, + &pm_runtime_attr_group); + goto err_out; + } } + return 0; + + err_out: + sysfs_remove_group(&dev->kobj, &pm_attr_group); return rc; } -void rpm_sysfs_remove(struct device *dev) +int wakeup_sysfs_add(struct device *dev) { - sysfs_unmerge_group(&dev->kobj, &pm_runtime_attr_group); + return sysfs_merge_group(&dev->kobj, &pm_wakeup_attr_group); } -void dpm_sysfs_remove(struct device *dev) +void wakeup_sysfs_remove(struct device *dev) { - rpm_sysfs_remove(dev); - sysfs_remove_group(&dev->kobj, &pm_attr_group); + sysfs_unmerge_group(&dev->kobj, &pm_wakeup_attr_group); } -#else /* CONFIG_PM_RUNTIME */ - -int dpm_sysfs_add(struct device * dev) +void rpm_sysfs_remove(struct device *dev) { - return sysfs_create_group(&dev->kobj, &pm_attr_group); + sysfs_unmerge_group(&dev->kobj, &pm_runtime_attr_group); } -void dpm_sysfs_remove(struct device * dev) +void dpm_sysfs_remove(struct device *dev) { + rpm_sysfs_remove(dev); + sysfs_unmerge_group(&dev->kobj, &pm_wakeup_attr_group); sysfs_remove_group(&dev->kobj, &pm_attr_group); } - -#endif |