Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.33 as permitted sender) client-ip=23.128.96.33;
Date:   Tue, 21 Nov 2023 16:39:53 +0100
From:   Johan Hovold <johan@kernel.org>
To:     Mrinmay Sarkar <quic_msarkar@quicinc.com>
Cc:     agross@kernel.org, andersson@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
        konrad.dybcio@linaro.org, mani@kernel.org, robh+dt@kernel.org,
        quic_shazhuss@quicinc.com, quic_nitegupt@quicinc.com,
        quic_ramkri@quicinc.com, quic_nayiluri@quicinc.com,
        dmitry.baryshkov@linaro.org, robh@kernel.org,
        quic_krichai@quicinc.com, quic_vbadigan@quicinc.com,
        quic_parass@quicinc.com, quic_schintav@quicinc.com,
        quic_shijjose@quicinc.com,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        Krzysztof =?utf-8?Q?Wilczy=C5=84ski?= <kw@linux.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org
Subject: Re: [PATCH v4 3/3] arm64: dts: qcom: sa8775p: Mark PCIe EP
 controller as cache coherent
Message-ID: <ZVzPSQeyVytoyuk7@hovoldconsulting.com>
References: <1700577493-18538-1-git-send-email-quic_msarkar@quicinc.com>
 <1700577493-18538-4-git-send-email-quic_msarkar@quicinc.com>
 <ZVzE0c8UsW4HXV_u@hovoldconsulting.com>
 <f742b95e-dd42-cbd3-61ef-d5255447ea4e@quicinc.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <f742b95e-dd42-cbd3-61ef-d5255447ea4e@quicinc.com>
Precedence: bulk

On Tue, Nov 21, 2023 at 09:02:41PM +0530, Mrinmay Sarkar wrote:
> 
> On 11/21/2023 8:25 PM, Johan Hovold wrote:
> > On Tue, Nov 21, 2023 at 08:08:13PM +0530, Mrinmay Sarkar wrote:
> >> The PCIe EP controller on SA8775P supports cache coherency, hence add
> >> the "dma-coherent" property to mark it as such.

> > What tree is this against?
> >
> > Both controllers are already marked as dma-coherent in mainline so this
> > patch makes no sense (and the context also looks wrong).

> Yes both the RC controllers are dma-coherent and this change is for
> PCIe EP controller and it is inside pcie0_ep node.
> Actually the pcie0_ep node change is yet to apply on linux next.
> I just made this change on top of that and the same I mentioned in
> cover letter.

Ah, thanks for clarifying, and sorry for the noise.

Johan