Linux-libre 4.5-gnu

1 files changed, 0 insertions, 29 deletions

diff --git a/drivers/clk/at91/clk-slow.c b/drivers/clk/at91/clk-slow.c
index d0d5076a9..6f99a530e 100644
--- a/drivers/clk/at91/clk-slow.c
+++ b/drivers/clk/at91/clk-slow.c
@@ -10,7 +10,6 @@
  *
  */
 
-#include <linux/clk.h>
 #include <linux/clk-provider.h>
 #include <linux/clkdev.h>
 #include <linux/slab.h>
@@ -72,8 +71,6 @@ struct clk_sam9x5_slow {
 
 #define to_clk_sam9x5_slow(hw) container_of(hw, struct clk_sam9x5_slow, hw)
 
-static struct clk *slow_clk;
-
 static int clk_slow_osc_prepare(struct clk_hw *hw)
 {
 	struct clk_slow_osc *osc = to_clk_slow_osc(hw);
@@ -360,8 +357,6 @@ at91_clk_register_sam9x5_slow(void __iomem *sckcr,
 	clk = clk_register(NULL, &slowck->hw);
 	if (IS_ERR(clk))
 		kfree(slowck);
-	else
-		slow_clk = clk;
 
 	return clk;
 }
@@ -433,8 +428,6 @@ at91_clk_register_sam9260_slow(struct at91_pmc *pmc,
 	clk = clk_register(NULL, &slowck->hw);
 	if (IS_ERR(clk))
 		kfree(slowck);
-	else
-		slow_clk = clk;
 
 	return clk;
 }
@@ -462,25 +455,3 @@ void __init of_at91sam9260_clk_slow_setup(struct device_node *np,
 
 	of_clk_add_provider(np, of_clk_src_simple_get, clk);
 }
-
-/*
- * FIXME: All slow clk users are not properly claiming it (get + prepare +
- * enable) before using it.
- * If all users properly claiming this clock decide that they don't need it
- * anymore (or are removed), it is disabled while faulty users are still
- * requiring it, and the system hangs.
- * Prevent this clock from being disabled until all users are properly
- * requesting it.
- * Once this is done we should remove this function and the slow_clk variable.
- */
-static int __init of_at91_clk_slow_retain(void)
-{
-	if (!slow_clk)
-		return 0;
-
-	__clk_get(slow_clk);
-	clk_prepare_enable(slow_clk);
-
-	return 0;
-}
-arch_initcall(of_at91_clk_slow_retain);