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-rw-r--r--arch/arm/mach-tegra/clock.c12
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);
}
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