From c0683039207226afcffbe0fbf6a1caaee77a37b0 Mon Sep 17 00:00:00 2001
From: Tony Lindgren <tony@atomide.com>
Date: Wed, 3 Jun 2009 17:43:14 +0100
Subject: [ARM] 5536/1: Move clk_add_alias() to arch/arm/common/clkdev.c

This can be used for other arm platforms too as discussed
on the linux-arm-kernel list.

Also check the return value with IS_ERR and return PTR_ERR
as suggested by Russell King.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
 include/linux/clk.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'include/linux/clk.h')

diff --git a/include/linux/clk.h b/include/linux/clk.h
index 1db9bbf444a3..1d37f42ac294 100644
--- a/include/linux/clk.h
+++ b/include/linux/clk.h
@@ -142,4 +142,17 @@ struct clk *clk_get_parent(struct clk *clk);
  */
 struct clk *clk_get_sys(const char *dev_id, const char *con_id);
 
+/**
+ * clk_add_alias - add a new clock alias
+ * @alias: name for clock alias
+ * @alias_dev_name: device name
+ * @id: platform specific clock name
+ * @dev: device
+ *
+ * Allows using generic clock names for drivers by adding a new alias.
+ * Assumes clkdev, see clkdev.h for more info.
+ */
+int clk_add_alias(const char *alias, const char *alias_dev_name, char *id,
+			struct device *dev);
+
 #endif
-- 
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