rk29: clock.h: Add 'struct notifier_block' forward declaration

diff --git a/arch/arm/mach-rk29/include/mach/clock.h b/arch/arm/mach-rk29/include/mach/clock.h
index e0ac1cef39199b9ee10669429d07d0e1cbad7af6..800dd9294c90bad8d694cec38a86b053a05fa1d6 100644 (file)
--- a/arch/arm/mach-rk29/include/mach/clock.h
+++ b/arch/arm/mach-rk29/include/mach/clock.h
@@ -68,6 +68,8 @@ struct clk_notifier_data {
 #define CLK_POST_DISABLE               8
 #define CLK_ABORT_DISABLE              9
 
+struct notifier_block;
+
 extern int clk_notifier_register(struct clk *clk, struct notifier_block *nb);
 extern int clk_notifier_unregister(struct clk *clk, struct notifier_block *nb);