diff options
| -rw-r--r-- | arch/sh/kernel/cpu/clock.c | 16 | ||||
| -rw-r--r-- | include/asm-sh/clock.h | 1 |
2 files changed, 17 insertions, 0 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index 63251549e9a..92807ffa8e2 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -229,6 +229,22 @@ void clk_recalc_rate(struct clk *clk) } EXPORT_SYMBOL_GPL(clk_recalc_rate); +long clk_round_rate(struct clk *clk, unsigned long rate) +{ + if (likely(clk->ops && clk->ops->round_rate)) { + unsigned long flags, rounded; + + spin_lock_irqsave(&clock_lock, flags); + rounded = clk->ops->round_rate(clk, rate); + spin_unlock_irqrestore(&clock_lock, flags); + + return rounded; + } + + return clk_get_rate(clk); +} +EXPORT_SYMBOL_GPL(clk_round_rate); + /* * Returns a clock. Note that we first try to use device id on the bus * and clock name. If this fails, we try to use clock name only. diff --git a/include/asm-sh/clock.h b/include/asm-sh/clock.h index 386d797d86b..b550a27a704 100644 --- a/include/asm-sh/clock.h +++ b/include/asm-sh/clock.h @@ -14,6 +14,7 @@ struct clk_ops { void (*disable)(struct clk *clk); void (*recalc)(struct clk *clk); int (*set_rate)(struct clk *clk, unsigned long rate, int algo_id); + long (*round_rate)(struct clk *clk, unsigned long rate); }; struct clk { |