diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-02 03:09:16 +0100 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-11-10 16:16:59 +0800 |
| commit | 3eb846e0d5ebc563d111ea825e55ea1b731b1a8b (patch) | |
| tree | 0fcdc381eb22959e97eb6fe344444ed469270932 /kernel/power/main.c | |
| parent | a584a909a96b66b9b43a1a628b96bca630d2589b (diff) | |
PM / sleep: Add support for read-only sysfs attributes
Some sysfs attributes in /sys/power/ should really be read-only,
so add support for that, convert those attributes to read-only
and drop the stub .show() routines from them.
Original-by: Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
(cherry picked from commit a1e9ca6967d68209c70e616a224efa89a6b86ca6)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
Diffstat (limited to 'kernel/power/main.c')
| -rw-r--r-- | kernel/power/main.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/kernel/power/main.c b/kernel/power/main.c index b2dd4d999900..27946975eff0 100644 --- a/kernel/power/main.c +++ b/kernel/power/main.c @@ -280,13 +280,7 @@ static ssize_t pm_wakeup_irq_show(struct kobject *kobj, return pm_wakeup_irq ? sprintf(buf, "%u\n", pm_wakeup_irq) : -ENODATA; } -static ssize_t pm_wakeup_irq_store(struct kobject *kobj, - struct kobj_attribute *attr, - const char *buf, size_t n) -{ - return -EINVAL; -} -power_attr(pm_wakeup_irq); +power_attr_ro(pm_wakeup_irq); #else /* !CONFIG_PM_SLEEP_DEBUG */ static inline void pm_print_times_init(void) {} @@ -564,14 +558,7 @@ static ssize_t pm_trace_dev_match_show(struct kobject *kobj, return show_trace_dev_match(buf, PAGE_SIZE); } -static ssize_t -pm_trace_dev_match_store(struct kobject *kobj, struct kobj_attribute *attr, - const char *buf, size_t n) -{ - return -EINVAL; -} - -power_attr(pm_trace_dev_match); +power_attr_ro(pm_trace_dev_match); #endif /* CONFIG_PM_TRACE */ |