diff options
| -rw-r--r-- | arch/sh/kernel/cpu/clock.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/arch/sh/kernel/cpu/clock.c b/arch/sh/kernel/cpu/clock.c index 2ced20f870d1..0a7755cc8a25 100644 --- a/arch/sh/kernel/cpu/clock.c +++ b/arch/sh/kernel/cpu/clock.c @@ -265,20 +265,27 @@ EXPORT_SYMBOL_GPL(clk_set_rate); int clk_set_rate_ex(struct clk *clk, unsigned long rate, int algo_id) { int ret = -EOPNOTSUPP; + unsigned long flags; - if (likely(clk->ops && clk->ops->set_rate)) { - unsigned long flags; + spin_lock_irqsave(&clock_lock, flags); - spin_lock_irqsave(&clock_lock, flags); + if (likely(clk->ops && clk->ops->set_rate)) { ret = clk->ops->set_rate(clk, rate, algo_id); - if (ret == 0) { - if (clk->ops->recalc) - clk->rate = clk->ops->recalc(clk); - propagate_rate(clk); - } - spin_unlock_irqrestore(&clock_lock, flags); + if (ret != 0) + goto out_unlock; + } else { + clk->rate = rate; + ret = 0; } + if (clk->ops && clk->ops->recalc) + clk->rate = clk->ops->recalc(clk); + + propagate_rate(clk); + +out_unlock: + spin_unlock_irqrestore(&clock_lock, flags); + return ret; } EXPORT_SYMBOL_GPL(clk_set_rate_ex); |