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author | Sascha Hauer <s.hauer@pengutronix.de> | 2014-03-13 09:14:38 +0100 |
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committer | Sascha Hauer <s.hauer@pengutronix.de> | 2014-03-14 15:25:20 +0100 |
commit | 8fbd38137167e46b5b523296304ba268ec9673c2 (patch) | |
tree | d9d065cfea5ec2ae5308da93b922b4699b06ecbf | |
parent | 44383d3586341d919606923585b4f69895eff28a (diff) | |
download | barebox-8fbd38137167e46b5b523296304ba268ec9673c2.tar.gz |
clk: implement clk_round_rate
Instead of returning just the current rate implement clk_round_rate
properly.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
-rw-r--r-- | drivers/clk/clk.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index 31d73c028c..c67b2f4e48 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -104,9 +104,19 @@ unsigned long clk_get_rate(struct clk *clk) long clk_round_rate(struct clk *clk, unsigned long rate) { + unsigned long parent_rate = 0; + struct clk *parent; + if (IS_ERR(clk)) return 0; + parent = clk_get_parent(clk); + if (parent) + parent_rate = clk_get_rate(parent); + + if (clk->ops->round_rate) + return clk->ops->round_rate(clk, rate, &parent_rate); + return clk_get_rate(clk); } |