diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-03-25 03:53:42 -0300 |
| commit | 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 (patch) | |
| tree | fa581f6dc1c0596391690d1f67eceef3af8246dc /drivers/clk/at91/clk-slow.c | |
| parent | d4e493caf788ef44982e131ff9c786546904d934 (diff) | |
Linux-libre 4.5-gnu
Diffstat (limited to 'drivers/clk/at91/clk-slow.c')
| -rw-r--r-- | drivers/clk/at91/clk-slow.c | 29 |
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); |