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From: Paul Walmsley <pwalmsley@nvidia.com>

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blackfin: bf60x: clock: return 0 upon error from clk_round_rate()

clk_round_rate() should return 0 upon an error, rather than returning
a negative error code.  This is because clk_round_rate() is being
changed to return an unsigned return type rather than a signed type,
since some clock sources can generate rates higher than (2^31)-1 Hz.

Signed-off-by: Paul Walmsley <pwalmsley@nvidia.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>
This commit is contained in:
Steven Miao 2014-01-29 12:25:39 +08:00
parent 5e98c09904
commit b48b3a3906
1 changed files with 2 additions and 1 deletions
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3
arch/blackfin/mach-bf609/clock.c
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@ -120,6 +120,7 @@ void clk_disable(struct clk *clk)
}
EXPORT_SYMBOL(clk_disable);
unsigned long clk_get_rate(struct clk *clk)
{
unsigned long ret = 0;
@ -131,7 +132,7 @@ EXPORT_SYMBOL(clk_get_rate);
long clk_round_rate(struct clk *clk, unsigned long rate)
{
long ret = -EIO;
long ret = 0;
if (clk->ops && clk->ops->round_rate)
ret = clk->ops->round_rate(clk, rate);
return ret;