This is used by the wlcore and wil6210 driver.
Code was copied from upstream Linux kernel.
Signed-off-by: Hauke Mehrtens <hauke@xxxxxxxxxx>
---
backport/backport-include/linux/pm_runtime.h | 31 ++++++++++++++++++++
1 file changed, 31 insertions(+)
create mode 100644 backport/backport-include/linux/pm_runtime.h
diff --git a/backport/backport-include/linux/pm_runtime.h b/backport/backport-include/linux/pm_runtime.h
new file mode 100644
index 00000000..5b4b75e1
--- /dev/null
+++ b/backport/backport-include/linux/pm_runtime.h
@@ -0,0 +1,31 @@
+#ifndef __BACKPORT_PM_RUNTIME_H
+#define __BACKPORT_PM_RUNTIME_H
+#include_next <linux/pm_runtime.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_IS_LESS(5,10,0)
+#define pm_runtime_resume_and_get LINUX_BACKPORT(pm_runtime_resume_and_get)
+
+/**
+ * pm_runtime_resume_and_get - Bump up usage counter of a device and resume it.
+ * @dev: Target device.
+ *
+ * Resume @dev synchronously and if that is successful, increment its runtime
+ * PM usage counter. Return 0 if the runtime PM usage counter of @dev has been
+ * incremented or a negative error code otherwise.
+ */
+static inline int pm_runtime_resume_and_get(struct device *dev)
+{
+ int ret;
+
+ ret = __pm_runtime_resume(dev, RPM_GET_PUT);
+ if (ret < 0) {
+ pm_runtime_put_noidle(dev);
+ return ret;
+ }
+
+ return 0;
+}
+#endif /* < 5.10 */
+
+#endif /* __BACKPORT_PM_RUNTIME_H */
\ No newline at end of file
--
2.45.2
