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SubjectRe: AM335x OMAP2 common clock external fixed-clock registration
On Fri, Apr 17, 2015 at 11:12:03AM +0200, Sebastian Hesselbarth wrote:
> On 17.04.2015 04:00, Michael Welling wrote:
> >On Fri, Apr 17, 2015 at 01:23:50AM +0200, Sebastian Hesselbarth wrote:
> >>On 17.04.2015 00:09, Michael Welling wrote:
> >>>On Thu, Apr 16, 2015 at 10:37:19PM +0200, Sebastian Hesselbarth wrote:
> >>>>On 16.04.2015 18:17, Michael Welling wrote:
> [...]
> >>>What would be the proper error path?
> >>>What cleanup is required?
> >>
> >>A proper error path would be to release any claimed resource
> >>on any error. If you look at the code, the only resources that
> >>need to be released are the two clocks in question.
> >
> >So for every error return in the probe function and in the of si5351_dt_parse
> >it needs to clk_put first right?
> Not quite. The driver should clk_put() every clock that it called a
> [of_]clk_get() for. The thing is that clocks can be passed by
> platform_data and we never claim them.

I've always said clocks (as in struct clk) should never be passed through
platform data.

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