Re: [PATCH v4 1/4] Input: cyttsp - use devres managed resource allocations

From: Dmitry Torokhov
Date: Thu Jan 21 2016 - 16:32:52 EST


On Thu, Jan 21, 2016 at 09:22:05PM +0100, Oreste Salerno wrote:
> On Thu, Jan 21, 2016 at 11:29:24AM -0800, Dmitry Torokhov wrote:
> > Hi Oreste,
> >
> > On Thu, Jan 21, 2016 at 08:21:13PM +0100, Oreste Salerno wrote:
> > > Use devm_() functions for allocating memory, input device and IRQ.
> > >
> >
> > ...
> >
> > > @@ -625,11 +620,8 @@ EXPORT_SYMBOL_GPL(cyttsp_probe);
> > >
> > > void cyttsp_remove(struct cyttsp *ts)
> > > {
> > > - free_irq(ts->irq, ts);
> > > - input_unregister_device(ts->input);
> > > if (ts->pdata->exit)
> > > ts->pdata->exit();
> > > - kfree(ts);
> >
> > This is not quite correct as it changes the operations order... Given
> > that it is going to be removed in the next patch I guess it is OK, but
> > ideally you can add a custom devm action to shut off the chip.
> >
>
> You mean a devm action to call pdata->exit() ? OK, I could do that.

Yes.

Thanks.

--
Dmitry