Merge pull request #142 from slaclab/fix_stream_mode_dma_alloc

Allocate non-coherent DMA pages in stream mode
slaclab · Jun 19, 2024 · 60d2b17 · 60d2b17
2 parents c8644cf + ceaaad1
commit 60d2b17
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/common/driver/dma_buffer.c b/common/driver/dma_buffer.c
@@ -106,11 +106,11 @@ size_t dmaAllocBuffers ( struct DmaDevice *dev, struct DmaBufferList *list,
 
       // Streaming buffer type, standard kernel memory
       else if ( list->dev->cfgMode & BUFF_STREAM ) {
-         buff->buffAddr = dma_alloc_coherent(list->dev->device, list->dev->cfgSize, &buff->buffHandle, GFP_KERNEL);
+         buff->buffAddr = dma_alloc_pages(list->dev->device, list->dev->cfgSize, &buff->buffHandle, direction, GFP_KERNEL);
 
          // Check for mapping error
          if (buff->buffAddr == NULL) {
-            dev_err(dev->device,"dmaAllocBuffers: dma_alloc_coherent failed\n");
+            dev_err(dev->device, "dmaAllocBuffers: dma_alloc_pages failed\n");
          }
       }