--- Drivers/DtSal/Source/DtDma.c	2022-07-12 14:04:25.567844916 +0100
+++ Drivers/DtSal/Source/DtDma.c	2022-07-12 15:13:17.281183634 +0100
@@ -53,11 +53,6 @@
 }
 
 #else
-//=+=+=+=+=+=+=+=+=+=+=+=+=+ Linux Kernel version dependancies +=+=+=+=+=+=+=+=+=+=+=+=+=+
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,5)
-    #define  pci_dma_sync_sg_for_device  pci_dma_sync_sg
-    #define  pci_dma_sync_sg_for_cpu  pci_dma_sync_sg
-#endif
 
 //=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+ Scatter/Gather helpers +=+=+=+=+=+=+=+=+=+=+=+=+=+=+=+=
 //
@@ -161,15 +156,13 @@
 #else
     if (Supports64Bit)
     {
-        if (pci_set_dma_mask(pDevice->m_pPciDev, DT_DMA_64BIT_MASK)<0 ||
-            pci_set_consistent_dma_mask(pDevice->m_pPciDev, DT_DMA_64BIT_MASK)<0)
+        if (dma_set_mask_and_coherent(&pDevice->m_pPciDev->dev, DT_DMA_64BIT_MASK)<0)
         {
             DtDbgOut(ERR, SAL_DMA, "Unable to set DMA 64-bit mask.");
             return DT_STATUS_FAIL;
         }
     } else {
-        if (pci_set_dma_mask(pDevice->m_pPciDev, DT_DMA_32BIT_MASK)<0 ||
-            pci_set_consistent_dma_mask(pDevice->m_pPciDev, DT_DMA_32BIT_MASK)<0)
+        if (dma_set_mask_and_coherent(&pDevice->m_pPciDev->dev, DT_DMA_32BIT_MASK)<0)
         {
             DtDbgOut(ERR, SAL_DMA, "Unable to set DMA 32-bit mask.");
             return DT_STATUS_FAIL;
@@ -237,8 +230,8 @@
     }
 #else
     // Create common buffer and store virtual and physical address.
-    pDmaBuffer->m_pVirtualAddressUnaligned = pci_alloc_consistent(pDevice->m_pPciDev,
-                                                             BufSizeAligned, &DmaAddress);
+    pDmaBuffer->m_pVirtualAddressUnaligned = dma_alloc_coherent(&pDevice->m_pPciDev->dev,
+                                                             BufSizeAligned, &DmaAddress, GFP_KERNEL);
     pDmaBuffer->m_PhysicalAddressUnaligned.QuadPart = DmaAddress;
     if (Align != 0)
     {   
@@ -266,7 +259,7 @@
 #ifdef WINBUILD
     WdfObjectDelete(pDmaBuffer->m_CommonBuffer);
 #else
-    pci_free_consistent(pDevice->m_pPciDev, pDmaBuffer->m_BufferLength,
+    dma_free_coherent(&pDevice->m_pPciDev->dev, pDmaBuffer->m_BufferLength,
                                          pDmaBuffer->m_pVirtualAddressUnaligned,
                                          pDmaBuffer->m_PhysicalAddressUnaligned.QuadPart);
 #endif
@@ -358,8 +351,8 @@
     }
     
     // Map scatter-gather-list
-    pOsSgl->m_NumSglEntries = pci_map_sg(
-           pDevice->m_pPciDev, pOsSgl->m_pSgList, pPageList->m_NumPages,
+    pOsSgl->m_NumSglEntries = dma_map_sg(
+           &pDevice->m_pPciDev->dev, pOsSgl->m_pSgList, pPageList->m_NumPages,
            (Direction == DT_DMA_DIRECTION_FROM_DEVICE ? DMA_FROM_DEVICE : DMA_TO_DEVICE));
 #endif
     pOsSgl->m_BufferLength = BufSize;
@@ -380,7 +373,7 @@
     pOsSgl->m_pSgList = NULL;  // ???Do we need to do something...???  or is KMDF deleting
                                // it for us when deleting the transaction??
 #else
-    pci_unmap_sg(pDevice->m_pPciDev, pOsSgl->m_pSgList, pOsSgl->m_PageList.m_NumPages,
+    dma_unmap_sg(&pDevice->m_pPciDev->dev, pOsSgl->m_pSgList, pOsSgl->m_PageList.m_NumPages,
            (Direction == DT_DMA_DIRECTION_FROM_DEVICE ? DMA_FROM_DEVICE : DMA_TO_DEVICE));
 #endif
     pOsSgl->m_Allocated = FALSE;
@@ -399,10 +392,10 @@
                                                                                     TRUE);
 #else
     if (Direction == DT_DMA_DIRECTION_TO_DEVICE)
-        pci_dma_sync_sg_for_device(pDevice->m_pPciDev, pOsSgl->m_pSgList, 
+        dma_sync_sg_for_device(&pDevice->m_pPciDev->dev, pOsSgl->m_pSgList, 
                                                   pOsSgl->m_NumSglEntries, DMA_TO_DEVICE);
     else
-        pci_dma_sync_sg_for_device(pDevice->m_pPciDev, pOsSgl->m_pSgList, 
+        dma_sync_sg_for_device(&pDevice->m_pPciDev->dev, pOsSgl->m_pSgList, 
                                                 pOsSgl->m_NumSglEntries, DMA_FROM_DEVICE);
 #endif
     return DT_STATUS_OK;