From: Russell King <rmk@dyn-67.arm.linux.org.uk>
Date: Sun, 8 Feb 2009 17:49:22 +0000 (+0000)
Subject: [ARM] omap: provide a standard clk_get_parent() implementation
X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=2e777bf1f2482be13c2b678744d3497a4f0a0ec2;p=linux-2.6-omap-h63xx.git

[ARM] omap: provide a standard clk_get_parent() implementation

which only has to return clk->parent.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---

diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 7b040072859..ae77e10719f 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -207,18 +207,7 @@ EXPORT_SYMBOL(clk_set_parent);
 
 struct clk *clk_get_parent(struct clk *clk)
 {
-	unsigned long flags;
-	struct clk * ret = NULL;
-
-	if (clk == NULL || IS_ERR(clk))
-		return ret;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_get_parent)
-		ret = arch_clock->clk_get_parent(clk);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-
-	return ret;
+	return clk->parent;
 }
 EXPORT_SYMBOL(clk_get_parent);
 
diff --git a/arch/arm/plat-omap/include/mach/clock.h b/arch/arm/plat-omap/include/mach/clock.h
index 4831bbdaf01..06dd38a8a0c 100644
--- a/arch/arm/plat-omap/include/mach/clock.h
+++ b/arch/arm/plat-omap/include/mach/clock.h
@@ -102,7 +102,6 @@ struct clk_functions {
 	long		(*clk_round_rate)(struct clk *clk, unsigned long rate);
 	int		(*clk_set_rate)(struct clk *clk, unsigned long rate);
 	int		(*clk_set_parent)(struct clk *clk, struct clk *parent);
-	struct clk *	(*clk_get_parent)(struct clk *clk);
 	void		(*clk_allow_idle)(struct clk *clk);
 	void		(*clk_deny_idle)(struct clk *clk);
 	void		(*clk_disable_unused)(struct clk *clk);