diff options
Diffstat (limited to 'arch/arm/mach-shmobile/clock.c')
| -rw-r--r-- | arch/arm/mach-shmobile/clock.c | 44 |
1 files changed, 43 insertions, 1 deletions
diff --git a/arch/arm/mach-shmobile/clock.c b/arch/arm/mach-shmobile/clock.c index 6b7c7c42bc8..e7232a0373b 100644 --- a/arch/arm/mach-shmobile/clock.c +++ b/arch/arm/mach-shmobile/clock.c @@ -21,9 +21,49 @@ */ #include <linux/kernel.h> #include <linux/init.h> + +#ifdef CONFIG_COMMON_CLK +#include <linux/clk.h> +#include <linux/clkdev.h> +#include <mach/clock.h> + +void __init shmobile_clk_workaround(const struct clk_name *clks, + int nr_clks, bool enable) +{ + const struct clk_name *clkn; + struct clk *clk; + unsigned int i; + + for (i = 0; i < nr_clks; ++i) { + clkn = clks + i; + clk = clk_get(NULL, clkn->clk); + if (!IS_ERR(clk)) { + clk_register_clkdev(clk, clkn->con_id, clkn->dev_id); + if (enable) + clk_prepare_enable(clk); + clk_put(clk); + } + } +} + +#else /* CONFIG_COMMON_CLK */ #include <linux/sh_clk.h> +#include <linux/export.h> +#include <mach/clock.h> +#include <mach/common.h> -int __init clk_init(void) +unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk) +{ + struct clk_ratio *p = clk->priv; + + return clk->parent->rate / p->div * p->mul; +}; + +struct sh_clk_ops shmobile_fixed_ratio_clk_ops = { + .recalc = shmobile_fixed_ratio_clk_recalc, +}; + +int __init shmobile_clk_init(void) { /* Kick the child clocks.. */ recalculate_root_clocks(); @@ -44,3 +84,5 @@ void __clk_put(struct clk *clk) { } EXPORT_SYMBOL(__clk_put); + +#endif /* CONFIG_COMMON_CLK */ |