[ARM] Remove clk_use()/clk_unuse()

It seems that clk_use() and clk_unuse() are additional complexity
which isn't required anymore.  Remove them from the clock framework
to avoid the additional confusion which they cause, and update all
ARM machine types except for OMAP.

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

3 files changed, 0 insertions, 17 deletions

diff --git a/arch/arm/mach-s3c2410/clock.c b/arch/arm/mach-s3c2410/clock.c
index 82e8253..77f321f 100644
--- a/arch/arm/mach-s3c2410/clock.c
+++ b/arch/arm/mach-s3c2410/clock.c
@@ -151,18 +151,6 @@ void clk_disable(struct clk *clk)
 }
 
 
-int clk_use(struct clk *clk)
-{
-	atomic_inc(&clk->used);
-	return 0;
-}
-
-
-void clk_unuse(struct clk *clk)
-{
-	atomic_dec(&clk->used);
-}
-
 unsigned long clk_get_rate(struct clk *clk)
 {
 	if (IS_ERR(clk))
@@ -196,8 +184,6 @@ EXPORT_SYMBOL(clk_get);
 EXPORT_SYMBOL(clk_put);
 EXPORT_SYMBOL(clk_enable);
 EXPORT_SYMBOL(clk_disable);
-EXPORT_SYMBOL(clk_use);
-EXPORT_SYMBOL(clk_unuse);
 EXPORT_SYMBOL(clk_get_rate);
 EXPORT_SYMBOL(clk_round_rate);
 EXPORT_SYMBOL(clk_set_rate);
@@ -370,7 +356,6 @@ static struct clk init_clocks[] = {
 int s3c24xx_register_clock(struct clk *clk)
 {
 	clk->owner = THIS_MODULE;
-	atomic_set(&clk->used, 0);
 
 	if (clk->enable == NULL)
 		clk->enable = clk_null_enable;
diff --git a/arch/arm/mach-s3c2410/clock.h b/arch/arm/mach-s3c2410/clock.h
index 7953b6f..177d5c8 100644
--- a/arch/arm/mach-s3c2410/clock.h
+++ b/arch/arm/mach-s3c2410/clock.h
@@ -16,7 +16,6 @@ struct clk {
 	struct clk           *parent;
 	const char           *name;
 	int		      id;
-	atomic_t              used;
 	unsigned long         rate;
 	unsigned long         ctrlbit;
 	int		    (*enable)(struct clk *, int enable);
diff --git a/arch/arm/mach-s3c2410/time.c b/arch/arm/mach-s3c2410/time.c
index 8a00e3c..9acda44 100644
--- a/arch/arm/mach-s3c2410/time.c
+++ b/arch/arm/mach-s3c2410/time.c
@@ -191,7 +191,6 @@ static void s3c2410_timer_setup (void)
 		if (IS_ERR(clk))
 			panic("failed to get clock for system timer");
 
-		clk_use(clk);
 		clk_enable(clk);
 
 		pclk = clk_get_rate(clk);