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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-02 03:09:16 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-04 22:28:59 +0100 |
| commit | a1e9ca6967d68209c70e616a224efa89a6b86ca6 (patch) | |
| tree | 5de17c38e1f91798105a401d8cbfe84e63f6eeae /kernel/power/power.h | |
| parent | PM / sleep: prohibit devices probing during suspend/hibernation (diff) | |
| download | linux-a1e9ca6967d68209c70e616a224efa89a6b86ca6.tar.xz linux-a1e9ca6967d68209c70e616a224efa89a6b86ca6.zip | |
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>
Diffstat (limited to 'kernel/power/power.h')
| -rw-r--r-- | kernel/power/power.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/kernel/power/power.h b/kernel/power/power.h index caadb566e82b..efe1b3b17c88 100644 --- a/kernel/power/power.h +++ b/kernel/power/power.h @@ -77,6 +77,15 @@ static struct kobj_attribute _name##_attr = { \ .store = _name##_store, \ } +#define power_attr_ro(_name) \ +static struct kobj_attribute _name##_attr = { \ + .attr = { \ + .name = __stringify(_name), \ + .mode = S_IRUGO, \ + }, \ + .show = _name##_show, \ +} + /* Preferred image size in bytes (default 500 MB) */ extern unsigned long image_size; /* Size of memory reserved for drivers (default SPARE_PAGES x PAGE_SIZE) */ |