linux-kernel - Re: [PATCH v3 4/5] PCI: epf-mhi: Add support for SA8775P

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Date:   Thu, 26 Oct 2023 13:10:00 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Mrinmay Sarkar <quic_msarkar@...cinc.com>,
        Manivannan Sadhasivam <mani@...nel.org>
Cc:     agross@...nel.org, andersson@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.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 4/5] PCI: epf-mhi: Add support for SA8775P



On 10/26/23 07:30, Mrinmay Sarkar wrote:
> 
> On 10/25/2023 1:26 PM, Manivannan Sadhasivam wrote:
>> On Thu, Oct 19, 2023 at 05:07:09PM +0530, Mrinmay Sarkar wrote:
>>> Add support for Qualcomm Snapdragon SA8775P SoC to the EPF driver.
>>> SA8775P has the PID (0x0306) and supports HDMA. Currently, it has
>> Is the PID fixed? I thought you just want to reuse the SDXxx PID in the
>> meantime.
>>
>> - Mani
> 
> The PID for SA8775p EP is not decided yet. So using 0x0306 PID meantime.
If it's not decided, why should it go upstream then? Would that
not break the hosts' expectations when the EP device is updated?

Konrad