linux-kernel - Re: [PATCH v3 2/5] PCI: qcom-ep: Add support for SA8775P SOC

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Message-ID: <adbca084-a74b-51be-67b5-a3b9e45da506@quicinc.com>
Date:   Thu, 26 Oct 2023 11:08:03 +0530
From:   Mrinmay Sarkar <quic_msarkar@...cinc.com>
To:     Manivannan Sadhasivam <mani@...nel.org>
CC:     <agross@...nel.org>, <andersson@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <konrad.dybcio@...aro.org>, <quic_shazhuss@...cinc.com>,
        <quic_nitegupt@...cinc.com>, <quic_ramkri@...cinc.com>,
        <quic_nayiluri@...cinc.com>, <dmitry.baryshkov@...aro.org>,
        <robh@...nel.org>, <quic_krichai@...cinc.com>,
        <quic_vbadigan@...cinc.com>, <quic_parass@...cinc.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "Lorenzo Pieralisi" <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Vinod Koul <vkoul@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <mhi@...ts.linux.dev>,
        <linux-phy@...ts.infradead.org>
Subject: Re: [PATCH v3 2/5] PCI: qcom-ep: Add support for SA8775P SOC


On 10/25/2023 1:23 PM, Manivannan Sadhasivam wrote:
> On Thu, Oct 19, 2023 at 05:07:07PM +0530, Mrinmay Sarkar wrote:
>> Add support for SA8775P SoC to the Qualcomm PCIe Endpoint Controller
>> driver. There will be some change specific to SA8775P so adding new
>> compatible string.
>>
> What are those specific changes?
>
> - Mani

Need to enable cache snooping logic for SA8775P only.

--Mrinmay

>> Signed-off-by: Mrinmay Sarkar <quic_msarkar@...cinc.com>
>> ---
>>   drivers/pci/controller/dwc/pcie-qcom-ep.c | 1 +
>>   1 file changed, 1 insertion(+)
>>
>> diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
>> index 32c8d9e..4c01c34 100644
>> --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
>> +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
>> @@ -858,6 +858,7 @@ static void qcom_pcie_ep_remove(struct platform_device *pdev)
>>   }
>>   
>>   static const struct of_device_id qcom_pcie_ep_match[] = {
>> +	{ .compatible = "qcom,sa8775p-pcie-ep", },
>>   	{ .compatible = "qcom,sdx55-pcie-ep", },
>>   	{ .compatible = "qcom,sm8450-pcie-ep", },
>>   	{ }
>> -- 
>> 2.7.4
>>