driver inclusion category: feature bugzilla: https://gitee.com/openeuler/kernel/issues/ICD4AE ----------------------------------------------- Extend the devfreq_dev_profile to allow drivers optionally create device-specific sysfs ABIs together with other common devfreq ABIs under the devfreq device path. Signed-off-by: Jie Zhan <zhanjie9@hisilicon.com> --- drivers/devfreq/devfreq.c | 1 + include/linux/devfreq.h | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c index c0246105e6e2..29251141460e 100644 --- a/drivers/devfreq/devfreq.c +++ b/drivers/devfreq/devfreq.c @@ -831,6 +831,7 @@ struct devfreq *devfreq_add_device(struct device *dev, mutex_lock(&devfreq->lock); devfreq->dev.parent = dev; devfreq->dev.class = devfreq_class; + devfreq->dev.groups = profile->dev_groups; devfreq->dev.release = devfreq_dev_release; INIT_LIST_HEAD(&devfreq->node); devfreq->profile = profile; diff --git a/include/linux/devfreq.h b/include/linux/devfreq.h index d312ffbac4dd..dc1075dc3446 100644 --- a/include/linux/devfreq.h +++ b/include/linux/devfreq.h @@ -103,6 +103,8 @@ struct devfreq_dev_status { * * @is_cooling_device: A self-explanatory boolean giving the device a * cooling effect property. + * @dev_groups: Optional device-specific sysfs attribute groups that to + * be attached to the devfreq device. */ struct devfreq_dev_profile { unsigned long initial_freq; @@ -119,6 +121,8 @@ struct devfreq_dev_profile { unsigned int max_state; bool is_cooling_device; + + const struct attribute_group **dev_groups; }; /** -- 2.33.0