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Wed, 06 Mar 2024 02:22:43 -0800 (PST) From: Manivannan Sadhasivam Date: Wed, 06 Mar 2024 15:52:01 +0530 Subject: [PATCH v4 5/5] PCI: epf-mhi: Enable HDMA for SA8775P SoC Precedence: bulk X-Mailing-List: linux-renesas-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240306-dw-hdma-v4-5-9fed506e95be@linaro.org> References: <20240306-dw-hdma-v4-0-9fed506e95be@linaro.org> In-Reply-To: <20240306-dw-hdma-v4-0-9fed506e95be@linaro.org> To: Jingoo Han , Gustavo Pimentel , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Bjorn Helgaas , Marek Vasut , Yoshihiro Shimoda , Kishon Vijay Abraham I Cc: Serge Semin , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, linux-arm-msm@vger.kernel.org, mhi@lists.linux.dev, Manivannan Sadhasivam , Mrinmay Sarkar , Siddharth Vadapalli , Frank Li X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1016; i=manivannan.sadhasivam@linaro.org; h=from:subject:message-id; bh=HBFaoOrEPY28OgpXbosd8HC8b9IU9rla4yFX01mozG0=; b=owEBbQGS/pANAwAKAVWfEeb+kc71AcsmYgBl6EPR3LjKVzSqhLSTX52Xj52sP8auulr1YRKUA e7kAGWdmt+JATMEAAEKAB0WIQRnpUMqgUjL2KRYJ5dVnxHm/pHO9QUCZehD0QAKCRBVnxHm/pHO 9ZXBB/4x+EAhH/4vRq8jl6l9OTtS8TpJ1OWU+CL5k04aHCII7oiapzr6jT0TU56ExlM0Fp+KVwx MvcGTaBu1oPvRhvxxi8Ya0sxBNxjDrGkJujhLtueKz1fJRKpfweL17BtDkn2t8qksxOBrRA9TUA UwBHwB6/HKXAKsCjctTYcuxmeAgj21s/GzhVoxR+HCrOSgR2C91gaGtINfsqZ6lz8Uf8ZBKZ3Sk lAMxv9bKabKiDJX8XvNAv30QxGagZ88OT1LtImQiQn2+0+PE1LDFdtvmUN6Pw901+KTTqA6vYOS iJ+AOF/p/jv6dYsAsJKaL5QiupeN0cZHqOwtJWFR0hDmtXQh X-Developer-Key: i=manivannan.sadhasivam@linaro.org; a=openpgp; fpr=C668AEC3C3188E4C611465E7488550E901166008 From: Mrinmay Sarkar SA8775P SoC supports Hyper DMA (HDMA) DMA Engine present in the DWC IP. So, let's enable it in the EPF driver so that the DMA Engine APIs can be used for data transfer. Signed-off-by: Mrinmay Sarkar [mani: reworded commit message] Reviewed-by: Siddharth Vadapalli Reviewed-by: Frank Li Signed-off-by: Manivannan Sadhasivam --- drivers/pci/endpoint/functions/pci-epf-mhi.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/endpoint/functions/pci-epf-mhi.c b/drivers/pci/endpoint/functions/pci-epf-mhi.c index 2c54d80107cf..570c1d1fb12e 100644 --- a/drivers/pci/endpoint/functions/pci-epf-mhi.c +++ b/drivers/pci/endpoint/functions/pci-epf-mhi.c @@ -137,6 +137,7 @@ static const struct pci_epf_mhi_ep_info sa8775p_info = { .epf_flags = PCI_BASE_ADDRESS_MEM_TYPE_32, .msi_count = 32, .mru = 0x8000, + .flags = MHI_EPF_USE_DMA, }; struct pci_epf_mhi {