Commit d7130902 authored by Devendra K Verma's avatar Devendra K Verma Committed by Vinod Koul
Browse files

dmaengine: dw-edma: Add HDMA NATIVE map check 



The HDMA IP supports the HDMA_NATIVE map format as part of Vendor-Specific
Extended Capability. Added the check for HDMA_NATIVE map format.
The check for map format enables the IP specific function invocation
during the DMA ops.

Signed-off-by: default avatarDevendra K Verma <devverma@amd.com>
Link: https://lore.kernel.org/r/20250513070314.577823-1-devverma@amd.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent d175222f

drivers/dma/dw-edma/dw-edma-pcie.c

+4 −1
Original line number Diff line number Diff line
@@ -136,7 +136,8 @@ static void dw_edma_pcie_get_vsec_dma_data(struct pci_dev *pdev, 
	map = FIELD_GET(DW_PCIE_VSEC_DMA_MAP, val);

	if (map != EDMA_MF_EDMA_LEGACY &&

	    map != EDMA_MF_EDMA_UNROLL &&

	    map != EDMA_MF_HDMA_COMPAT)

	    map != EDMA_MF_HDMA_COMPAT &&

	    map != EDMA_MF_HDMA_NATIVE)

		return;



	pdata->mf = map;
@@ -291,6 +292,8 @@ static int dw_edma_pcie_probe(struct pci_dev *pdev, 
		pci_dbg(pdev, "Version:\teDMA Unroll (0x%x)\n", chip->mf);

	else if (chip->mf == EDMA_MF_HDMA_COMPAT)

		pci_dbg(pdev, "Version:\tHDMA Compatible (0x%x)\n", chip->mf);

	else if (chip->mf == EDMA_MF_HDMA_NATIVE)

		pci_dbg(pdev, "Version:\tHDMA Native (0x%x)\n", chip->mf);

	else

		pci_dbg(pdev, "Version:\tUnknown (0x%x)\n", chip->mf);