From: Johan Hovold <johan@kernel.org>
Date: Tue, 11 Nov 2014 18:45:57 +0000 (+0100)
Subject: net: phy: add module_phy_driver macro
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=c31accd159a6477b91de61ae237dce38e3f3ee4d;p=linux-beck.git

net: phy: add module_phy_driver macro

Add helper macro for PHY drivers which do not do anything special in
module init/exit. This will allow us to eliminate a lot of boilerplate
code.

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/include/linux/phy.h b/include/linux/phy.h
index d090cfcaa167..07794e720139 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -772,4 +772,28 @@ int __init mdio_bus_init(void);
 void mdio_bus_exit(void);
 
 extern struct bus_type mdio_bus_type;
+
+/**
+ * module_phy_driver() - Helper macro for registering PHY drivers
+ * @__phy_drivers: array of PHY drivers to register
+ *
+ * Helper macro for PHY drivers which do not do anything special in module
+ * init/exit. Each module may only use this macro once, and calling it
+ * replaces module_init() and module_exit().
+ */
+#define phy_module_driver(__phy_drivers, __count)			\
+static int __init phy_module_init(void)					\
+{									\
+	return phy_drivers_register(__phy_drivers, __count);		\
+}									\
+module_init(phy_module_init);						\
+static void __exit phy_module_exit(void)				\
+{									\
+	phy_drivers_unregister(__phy_drivers, __count);			\
+}									\
+module_exit(phy_module_exit)
+
+#define module_phy_driver(__phy_drivers)				\
+	phy_module_driver(__phy_drivers, ARRAY_SIZE(__phy_drivers))
+
 #endif /* __PHY_H */