[PATCH 1/8] soc: imx: gpc: fix gpc clk get error handling
Dong Aisheng
dongas86 at gmail.com
Wed Mar 22 11:33:06 PDT 2017
On Mon, Mar 20, 2017 at 04:05:24PM +0800, Shawn Guo wrote:
> On Mon, Mar 20, 2017 at 02:15:40PM +0800, Dong Aisheng wrote:
> > diff --git a/drivers/soc/imx/gpc.c b/drivers/soc/imx/gpc.c
> > index 1e9b3b8..c9bfdfd 100644
> > --- a/drivers/soc/imx/gpc.c
> > +++ b/drivers/soc/imx/gpc.c
> > @@ -143,7 +143,7 @@ static int imx_pgc_get_clocks(struct device *dev, struct imx_pm_domain *domain)
> > return 0;
> >
> > clk_err:
> > - for (; i >= 0; i--)
> > + while (i--)
> > clk_put(domain->clk[i]);
>
> Will clk[0] be put then?
>
Yes, it is a bit tricky:
See as follows:
while (i--) <== (i = 1)
clk_put(domain->clk[i]); <=== (i = 0)
This code actually is used before until the commit below:
721cabf6c660 ("soc: imx: move PGC handling to a new GPC driver")
So i did not change it.
Regards
Dong Aisheng
> Shawn
>
> >
> > return ret;
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