linux-kernel - [PATCH v1 6/6] PCI: epf-mhi: Add flag to enable HDMA for SA8775P

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Date: Fri, 19 Jan 2024 18:30:22 +0530
From: Mrinmay Sarkar <quic_msarkar@...cinc.com>
To: vkoul@...nel.org, jingoohan1@...il.com, conor+dt@...nel.org,
        konrad.dybcio@...aro.org, manivannan.sadhasivam@...aro.org,
        robh+dt@...nel.org
Cc: quic_shazhuss@...cinc.com, quic_nitegupt@...cinc.com,
        quic_ramkri@...cinc.com, quic_nayiluri@...cinc.com,
        dmitry.baryshkov@...aro.org, quic_krichai@...cinc.com,
        quic_vbadigan@...cinc.com, quic_parass@...cinc.com,
        quic_schintav@...cinc.com, quic_shijjose@...cinc.com,
        Mrinmay Sarkar <quic_msarkar@...cinc.com>,
        Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Serge Semin <fancer.lancer@...il.com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>,
        Kishon Vijay Abraham I <kishon@...nel.org>, dmaengine@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, mhi@...ts.linux.dev
Subject: [PATCH v1 6/6] PCI: epf-mhi: Add flag to enable HDMA for SA8775P

SA8775P supports HDMA as DMA engine so adding 'MHI_EPF_USE_DMA'
flag to enable HDMA support.

Signed-off-by: Mrinmay Sarkar <quic_msarkar@...cinc.com>
---
 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 2c54d80..570c1d1f 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 {
-- 
2.7.4