Re: [PATCH v3 0/3] PM: add two devres helpers and use them in qcom cc

From: Dmitry Baryshkov
Date: Fri Aug 06 2021 - 03:08:27 EST


On Fri, 6 Aug 2021 at 02:53, Stephen Boyd <sboyd@xxxxxxxxxx> wrote:
>
> Quoting Dmitry Baryshkov (2021-07-31 12:50:31)
> > Most of the drivers using using pm_runtime_enable() or pm_clk_create()
> > follow the same pattern: call the function in the probe() path and call
> > correspondingly pm_runtime_disable() or pm_clk_destroy() from the
> > probe()'s error path and from the remove() function. This common code
> > pattern has several drawbacks. I.e. driver authors have to ensure that
> > the disable/destroy call in the error path really corresponds to the
> > proper error clause. Or that the disable/destroy call is not missed in
> > the remove() callback.
> >
> > Add two devres helpers replacing these code patterns with relevant devm
> > function call, removing the need to call corresponding disable/destroy
> > functions. As an example modify Qualcomm clock controller code to use
> > new helpers. In this case we are able to drop error path and remove
> > functions completely, simplifying the drivers in question.
>
> There are lots of folks on the To: line so I'm not sure who is supposed
> to apply this. Please indicate which maintainer tree you're planning to
> land a series through if it touches different areas of the tree.

I'd prefer for them to go through the clock tree.

--
With best wishes
Dmitry