diff options
Diffstat (limited to 'arch/arm/mach-tegra/clock.c')
-rw-r--r-- | arch/arm/mach-tegra/clock.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index 165aa9c..e028320 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -86,6 +86,7 @@ static unsigned long clk_predict_rate_from_parent(struct clk *c, struct clk *p) if (c->mul != 0 && c->div != 0) { rate *= c->mul; + rate += c->div - 1; /* round up */ do_div(rate, c->div); } @@ -240,12 +241,23 @@ EXPORT_SYMBOL(clk_get_parent); int clk_set_rate_locked(struct clk *c, unsigned long rate) { + long new_rate; + if (!c->ops || !c->ops->set_rate) return -ENOSYS; if (rate > c->max_rate) rate = c->max_rate; + if (c->ops && c->ops->round_rate) { + new_rate = c->ops->round_rate(c, rate); + + if (new_rate < 0) + return new_rate; + + rate = new_rate; + } + return c->ops->set_rate(c, rate); } |