From: Alexander Aring <alex.aring@gmail.com>
Date: Sun, 2 Nov 2014 03:18:37 +0000 (+0100)
Subject: ieee802154: add helper wpan_phy_to_rdev function
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=ea4dcd32a445908c12e04b3b879c57ec5b3e659a;p=deliverable%2Flinux.git

ieee802154: add helper wpan_phy_to_rdev function

This patch introduce a function to get the cfg802154_registered_device
from a wpan_phy.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---

diff --git a/net/ieee802154/core.h b/net/ieee802154/core.h
index 26752ca54b4f..1bc172587157 100644
--- a/net/ieee802154/core.h
+++ b/net/ieee802154/core.h
@@ -12,6 +12,14 @@ struct cfg802154_registered_device {
 	struct wpan_phy wpan_phy __aligned(NETDEV_ALIGN);
 };
 
+static inline struct cfg802154_registered_device *
+wpan_phy_to_rdev(struct wpan_phy *wpan_phy)
+{
+	BUG_ON(!wpan_phy);
+	return container_of(wpan_phy, struct cfg802154_registered_device,
+			    wpan_phy);
+}
+
 /* free object */
 void cfg802154_dev_free(struct cfg802154_registered_device *rdev);