These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / net / ieee802154 / sysfs.c

diff --git a/kernel/net/ieee802154/sysfs.c b/kernel/net/ieee802154/sysfs.c
index 133b428..bd88525 100644 (file)
--- a/kernel/net/ieee802154/sysfs.c
+++ b/kernel/net/ieee802154/sysfs.c
@@ -14,11 +14,13 @@
  */
 
 #include <linux/device.h>
+#include <linux/rtnetlink.h>
 
 #include <net/cfg802154.h>
 
 #include "core.h"
 #include "sysfs.h"
+#include "rdev-ops.h"
 
 static inline struct cfg802154_registered_device *
 dev_to_rdev(struct device *dev)
@@ -62,10 +64,46 @@ static struct attribute *pmib_attrs[] = {
 };
 ATTRIBUTE_GROUPS(pmib);
 
+#ifdef CONFIG_PM_SLEEP
+static int wpan_phy_suspend(struct device *dev)
+{
+       struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
+       int ret = 0;
+
+       if (rdev->ops->suspend) {
+               rtnl_lock();
+               ret = rdev_suspend(rdev);
+               rtnl_unlock();
+       }
+
+       return ret;
+}
+
+static int wpan_phy_resume(struct device *dev)
+{
+       struct cfg802154_registered_device *rdev = dev_to_rdev(dev);
+       int ret = 0;
+
+       if (rdev->ops->resume) {
+               rtnl_lock();
+               ret = rdev_resume(rdev);
+               rtnl_unlock();
+       }
+
+       return ret;
+}
+
+static SIMPLE_DEV_PM_OPS(wpan_phy_pm_ops, wpan_phy_suspend, wpan_phy_resume);
+#define WPAN_PHY_PM_OPS (&wpan_phy_pm_ops)
+#else
+#define WPAN_PHY_PM_OPS NULL
+#endif
+
 struct class wpan_phy_class = {
        .name = "ieee802154",
        .dev_release = wpan_phy_release,
        .dev_groups = pmib_groups,
+       .pm = WPAN_PHY_PM_OPS,
 };
 
 int wpan_phy_sysfs_init(void)