diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-10-21 21:12:15 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-10 12:37:34 +0100 |
| commit | 874dfb5c6aa3001b8528eb5b0ac57cdabc6a41e8 (patch) | |
| tree | 82d72cb6f55b19d873eae4d3eb4244627ce42a28 /include | |
| parent | fbfca92c7840db5f4a980b111789ab0a7af745ef (diff) | |
PM: runtime: Drop runtime PM references to supplier on link removal
commit e0e398e204634db8fb71bd89cf2f6e3e5bd09b51 upstream.
While removing a device link, drop the supplier device's runtime PM
usage counter as many times as needed to drop all of the runtime PM
references to it from the consumer in addition to dropping the
consumer's link count.
Fixes: baa8809f6097 ("PM / runtime: Optimize the use of device links")
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: 5.1+ <stable@vger.kernel.org> # 5.1+
Tested-by: Xiang Chen <chenxiang66@hisilicon.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/pm_runtime.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/pm_runtime.h b/include/linux/pm_runtime.h index 22af69d237a6..d805fb1ae880 100644 --- a/include/linux/pm_runtime.h +++ b/include/linux/pm_runtime.h @@ -58,7 +58,7 @@ extern void pm_runtime_clean_up_links(struct device *dev); extern void pm_runtime_get_suppliers(struct device *dev); extern void pm_runtime_put_suppliers(struct device *dev); extern void pm_runtime_new_link(struct device *dev); -extern void pm_runtime_drop_link(struct device *dev); +extern void pm_runtime_drop_link(struct device_link *link); static inline void pm_suspend_ignore_children(struct device *dev, bool enable) { @@ -177,7 +177,7 @@ static inline void pm_runtime_clean_up_links(struct device *dev) {} static inline void pm_runtime_get_suppliers(struct device *dev) {} static inline void pm_runtime_put_suppliers(struct device *dev) {} static inline void pm_runtime_new_link(struct device *dev) {} -static inline void pm_runtime_drop_link(struct device *dev) {} +static inline void pm_runtime_drop_link(struct device_link *link) {} #endif /* !CONFIG_PM */ |