linux-kernel - Re: [PATCH v2] arm64: dts: qcom: sdm845-mtp: enable IPA

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Date:   Sun, 6 Jun 2021 00:10:45 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Alex Elder <elder@...aro.org>
Cc:     agross@...nel.org, evgreen@...omium.org, subashab@...eaurora.org,
        cpratapa@...eaurora.org, robh+dt@...nel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: qcom: sdm845-mtp: enable IPA

On Thu 03 Jun 13:03 CDT 2021, Alex Elder wrote:

> On 5/19/20 7:32 AM, Alex Elder wrote:
> > Enable IPA on the SDM845 MTP.
> > 
> > Signed-off-by: Alex Elder <elder@...aro.org>
> > ---
> > 
> > v2: This device uses the AP--not the modem--for early initialization.
> 
> Ping.  This patch didn't get accepted (over a year ago!),
> but it still applies cleanly on top-of-tree.  If you
> would like me to re-send it, let me know.  Thanks.
> 

I'm not able to find any reason why I didn't merge it, perhaps it was
because we had issues validating the whole thing?

Anyway, I've picked it up now.

Thanks,
Bjorn

> https://lore.kernel.org/lkml/20200519123258.29228-1-elder@linaro.org/
> 
> 					-Alex
> 
> > 
> >   arch/arm64/boot/dts/qcom/sdm845-mtp.dts | 5 +++++
> >   1 file changed, 5 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> > index 1372fe8601f5..91ede9296aff 100644
> > --- a/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> > +++ b/arch/arm64/boot/dts/qcom/sdm845-mtp.dts
> > @@ -448,6 +448,11 @@
> >   	clock-frequency = <400000>;
> >   };
> > +&ipa {
> > +	status = "okay";
> > +	memory-region = <&ipa_fw_mem>;
> > +};
> > +
> >   &mdss {
> >   	status = "okay";
> >   };
> > 
>