Re: [PATCH v2 3/4] soundwire: qcom: add support for mmio soundwire master devices

[Jonathan Marek <jonathan@xxxxxxxx>]

On 9/8/20 9:56 AM, Pierre-Louis Bossart wrote:
> > @@ -764,8 +786,11 @@ static int qcom_swrm_probe(struct platform_device 
> > *pdev)
> >           if (!ctrl->regmap)
> >               return -EINVAL;
> >       } else {
> > -        /* Only WCD based SoundWire controller is supported */
> > -        return -ENOTSUPP;
> > +        ctrl->reg_read = qcom_swrm_cpu_reg_read;
> > +        ctrl->reg_write = qcom_swrm_cpu_reg_write;
> > +        ctrl->mmio = devm_platform_ioremap_resource(pdev, 0);
> > +        if (IS_ERR(ctrl->mmio))
> > +            return PTR_ERR(ctrl->mmio);
>
> Shouldn't this be conditional on SLIMBUS being enabled, as done in your 
> patch2?

No, the case above is the SLIMBUS case. This patch is adding support for 
the non-SLIMBUS case.

> >       }
> >       ctrl->irq = of_irq_get(dev->of_node, 0);