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Thu, 19 Oct 2023 05:45:45 -0700 (PDT) Received: from [192.168.1.20] ([178.197.218.126]) by smtp.gmail.com with ESMTPSA id m5-20020a056000180500b0031c6581d55esm4437299wrh.91.2023.10.19.05.45.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 19 Oct 2023 05:45:45 -0700 (PDT) Message-ID: <0de848a8-a658-4c5b-928b-5e948a22f291@linaro.org> Date: Thu, 19 Oct 2023 14:45:41 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 3/4] PCI: epf-mhi: Add support for SA8775P Content-Language: en-US To: Mrinmay Sarkar , agross@kernel.org, andersson@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, konrad.dybcio@linaro.org, mani@kernel.org Cc: 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, Lorenzo Pieralisi , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas , Kishon Vijay Abraham I , Vinod Koul , linux-arm-msm@vger.kernel.org, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, mhi@lists.linux.dev, linux-phy@lists.infradead.org References: <1697023109-23671-1-git-send-email-quic_msarkar@quicinc.com> <1697023109-23671-4-git-send-email-quic_msarkar@quicinc.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 11/10/2023 13:18, 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 > no fixed PCI class, so it is being advertised as "PCI_CLASS_OTHERS". > > Signed-off-by: Mrinmay Sarkar > --- > drivers/pci/endpoint/functions/pci-epf-mhi.c | 17 +++++++++++++++++ > 1 file changed, 17 insertions(+) > > diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c > index b7b9d3e..f05c2e4 100644 > --- a/drivers/pci/endpoint/functions/pci-epf-mhi.c > +++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c > @@ -114,6 +114,22 @@ static const struct pci_epf_mhi_ep_info sm8450_info = { > .flags = MHI_EPF_USE_DMA, > }; > > +static const struct pci_epf_header sa8775p_header = { > + .vendorid = PCI_VENDOR_ID_QCOM, > + .deviceid = 0x0306, > + .baseclass_code = PCI_CLASS_OTHERS, > + .interrupt_pin = PCI_INTERRUPT_INTA, > +}; > + > +static const struct pci_epf_mhi_ep_info sa8775p_info = { > + .config = &mhi_v1_config, > + .epf_header = &sa8775p_header, > + .bar_num = BAR_0, > + .epf_flags = PCI_BASE_ADDRESS_MEM_TYPE_32, > + .msi_count = 32, > + .mru = 0x8000, This is almost the same (minus MHI_EPF_USE_DMA) as sm8450. Are you sure these are not compatible? Best regards, Krzysztof