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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> | 2014-03-28 08:45:11 +0100 |
commit | 3d937ce3125648181af6e20458c0cb12a99a73e5 (patch) | |
tree | 3dc6304760f2ce2ad85adc465c6c13b4a8826207 /drivers/clk | |
parent | 57eb30b265e1879b0cf3b0507066fb3b67a4195b (diff) | |
download | barebox-3d937ce3125648181af6e20458c0cb12a99a73e5.tar.gz barebox-3d937ce3125648181af6e20458c0cb12a99a73e5.tar.xz |
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>
Diffstat (limited to 'drivers/clk')
-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); } |