ARM: OMAP: 1/4 Fix clock framework to use clk_enable/disable

This patch fixes OMAP clock framework to use clk_enable/disable
instead of clk_use/unuse as specified in include/linux/clk.h.

Instances of clk_use/unuse are renamed to clk_enable/disable,
and references clk_use/unuse are removed.

Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/plat-omap/clock.c

@@ -34,7 +34,7 @@ DEFINE_SPINLOCK(clockfw_lock);
 static struct clk_functions *arch_clock;
 
 /*-------------------------------------------------------------------------
- * Standard clock functions defined in asm/hardware/clock.h
+ * Standard clock functions defined in include/linux/clk.h
  *-------------------------------------------------------------------------*/
 
 struct clk * clk_get(struct device *dev, const char *id)
@@ -60,12 +60,8 @@ int clk_enable(struct clk *clk)
 	int ret = 0;
 
 	spin_lock_irqsave(&clockfw_lock, flags);
-	if (clk->enable)
-		ret = clk->enable(clk);
-	else if (arch_clock->clk_enable)
+	if (arch_clock->clk_enable)
 		ret = arch_clock->clk_enable(clk);
-	else
-		printk(KERN_ERR "Could not enable clock %s\n", clk->name);
 	spin_unlock_irqrestore(&clockfw_lock, flags);
 
 	return ret;
@@ -77,41 +73,12 @@ void clk_disable(struct clk *clk)
 	unsigned long flags;
 
 	spin_lock_irqsave(&clockfw_lock, flags);
-	if (clk->disable)
-		clk->disable(clk);
-	else if (arch_clock->clk_disable)
+	if (arch_clock->clk_disable)
 		arch_clock->clk_disable(clk);
-	else
-		printk(KERN_ERR "Could not disable clock %s\n", clk->name);
 	spin_unlock_irqrestore(&clockfw_lock, flags);
 }
 EXPORT_SYMBOL(clk_disable);
 
-int clk_use(struct clk *clk)
-{
-	unsigned long flags;
-	int ret = 0;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_use)
-		ret = arch_clock->clk_use(clk);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-
-	return ret;
-}
-EXPORT_SYMBOL(clk_use);
-
-void clk_unuse(struct clk *clk)
-{
-	unsigned long flags;
-
-	spin_lock_irqsave(&clockfw_lock, flags);
-	if (arch_clock->clk_unuse)
-		arch_clock->clk_unuse(clk);
-	spin_unlock_irqrestore(&clockfw_lock, flags);
-}
-EXPORT_SYMBOL(clk_unuse);
-
 int clk_get_usecount(struct clk *clk)
 {
 	unsigned long flags;
@@ -146,7 +113,7 @@ void clk_put(struct clk *clk)
 EXPORT_SYMBOL(clk_put);
 
 /*-------------------------------------------------------------------------
- * Optional clock functions defined in asm/hardware/clock.h
+ * Optional clock functions defined in include/linux/clk.h
  *-------------------------------------------------------------------------*/
 
 long clk_round_rate(struct clk *clk, unsigned long rate)

include/asm-arm/arch-omap/clock.h

@@ -38,8 +38,6 @@ struct clk {
 struct clk_functions {
 	int		(*clk_enable)(struct clk *clk);
 	void		(*clk_disable)(struct clk *clk);
-	int		(*clk_use)(struct clk *clk);
-	void		(*clk_unuse)(struct clk *clk);
 	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);