Subject: [PATCH 01/19] clk: sunxi: Add display clock

From: [email-masked] (Stephen Boyd)
Date: Thu, 12 Nov 2015 12:31:54 -0800

On 11/06, Maxime Ripard wrote:
> Hi Stephen,
> 
> Thanks for your feedback!
> 
> On Fri, Oct 30, 2015 at 02:29:02PM -0700, Stephen Boyd wrote:
> > > +
> > > +	mux = kzalloc(sizeof(*mux), GFP_KERNEL);
> > > +	if (!mux)
> > [..]
> > > +		goto free_reset;
> > > +	}
> > > +
> > > +	return;
> > > +
> > > +free_reset:
> > > +	kfree(reset_data);
> > > +free_clk:
> > > +	clk_unregister(clk);
> > 
> > We really ought to have a clk_composite_unregister() API.
> 
> Can we?
> 
> We can always unregister the clock itself, but do we have a way to
> retrieve the structure that has been allocated in there?
> 
> (note that it also applies to the generic clocks registration: muxes,
> dividers, and so on).

Yes we have a way. We've done the same sort of design for other
generic clocks. Do the __clk_get_hw() thing like in clk-divider.c

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