Re: [PATCH v3 2/2] ASoC: imx-wm8962: Fix codec_clk cleanup

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On Wed, Mar 29, 2017 at 02:38:23PM +0300, Daniel Baluta wrote:

> If I read the code correctly, both machine and codec driver are doing:

> * codec_clk = clk_get(...)

> I guess that the codec driver is the first to be loaded and it will call:

> * __clk_create_clk

> which will do the allocation. Then when machine driver is loaded, it
> will only take a reference to the allocated clock.

> I might be very wrong on this. Can you clarify what does moving allocation
> of the clock into codec driver implies? Machine driver only needs a reference
> to codec_clk to just get the clock's rate.

Oh, so the CODEC is already requesting the clock.  Then what I'm saying
is work out a way to use the handle to the clock that the CODEC driver
created.  In effect the machine driver is telling the CODEC driver to do
things with the input clock.

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