On Thu 23 May 07:38 PDT 2019, Srinivas Kandagatla wrote:
>
>
> On 22/05/2019 02:53, Bjorn Andersson wrote:
> > The reg property represents the address and size on the bus that a
> > device lives, but for APR the parent is a rpmsg bus, which does not have
> > numerical addresses. Simply defining #address/#size-cells to 1 and 0,
> > respectively, to silence the compiler is not an appropriate solution.
> >
> I agree.
>
> > Replace the use of "reg" with an APR specific property.
> >
> > Signed-off-by: Bjorn Andersson <bjorn.anders...@linaro.org>
> > ---
> Can you also change the example too.
>
Of course, sorry for missing that.
> other than that am okay with the change.
>
> Reviewed-by: Srinivas Kandagatla <srinivas.kandaga...@linaro.org>
>
Thanks,
Bjorn
> --srini
> >
> > The APR device was recently added to msm8996.dtsi, but this is still
> > depending on working SMMU to provide functional audio support.
> >
> > Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt | 2 +-
> > drivers/soc/qcom/apr.c | 2 +-
> > 2 files changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt
> > b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt
> > index bcc612cc7423..38d3c06abc41 100644
> > --- a/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt
> > +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,apr.txt
> > @@ -9,7 +9,7 @@ used for audio/voice services on the QDSP.
> > Value type: <stringlist>
> > Definition: must be "qcom,apr-v<VERSION-NUMBER>", example "qcom,apr-v2"
> > -- reg
> > +- qcom,apr-domain
> > Usage: required
> > Value type: <u32>
> > Definition: Destination processor ID.
> > diff --git a/drivers/soc/qcom/apr.c b/drivers/soc/qcom/apr.c
> > index 74f8b9607daa..b83d71b2e0a4 100644
> > --- a/drivers/soc/qcom/apr.c
> > +++ b/drivers/soc/qcom/apr.c
> > @@ -276,7 +276,7 @@ static int apr_probe(struct rpmsg_device *rpdev)
> > if (!apr)
> > return -ENOMEM;
> > - ret = of_property_read_u32(dev->of_node, "reg", &apr->dest_domain_id);
> > + ret = of_property_read_u32(dev->of_node, "qcom,apr-domain",
> > &apr->dest_domain_id);
> > if (ret) {
> > dev_err(dev, "APR Domain ID not specified in DT\n");
> > return ret;
> >
