linux-kernel - Re: [PATCH 2/4] arm64: dts: qcom: sc7180: Add iommus property to ETR

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Date:   Mon, 27 Jul 2020 13:58:34 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Cc:     Andy Gross <agross@...nel.org>, Stephen Boyd <swboyd@...omium.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        mike.leach@...aro.org, Jonathan Marek <jonathan@...ek.ca>
Subject: Re: [PATCH 2/4] arm64: dts: qcom: sc7180: Add iommus property to ETR

On Tue 23 Jun 23:56 PDT 2020, Sai Prakash Ranjan wrote:

> Hi Bjorn,
> 
> On 2020-06-21 13:39, Sai Prakash Ranjan wrote:
> > Hi Bjorn,
> > 
> > On 2020-06-21 12:52, Bjorn Andersson wrote:
> > > On Tue 09 Jun 06:30 PDT 2020, Sai Prakash Ranjan wrote:
> > > 
> > > > Define iommus property for Coresight ETR component in
> > > > SC7180 SoC with the SID and mask to enable SMMU
> > > > translation for this master.
> > > > 
> > > 
> > > We don't have &apps_smmu in linux-next, as we've yet to figure out how
> > > to disable the boot splash or support the stream mapping handover.
> > > 
> > > So I'm not able to apply this.
> > > 
> > 
> > This is for SC7180 which has apps_smmu not SM8150.
> > 
> 
> Please let me know if this needs further explanation.
> 

I must have commented on the wrong patch, sorry about that. The SM8150
patch in this series does not compile due to the lack of &apps_smmu.

I've picked the other 3 patches.

Thanks,
Bjorn