fix dmabug

tiiuae · Apr 23, 2024 · 4769435 · 4769435
1 parent 9439e9e
commit 4769435
Showing 1 changed file with 9 additions and 4 deletions.
diff --git a/arch/arm64/src/imx9/imx9_edma.c b/arch/arm64/src/imx9/imx9_edma.c
@@ -812,12 +812,12 @@ void weak_function arm64_dma_initialize(void)
 
   /* Initialize the channel */
 
-  for (i = 0; i < DMA3_CHANNEL_COUNT; i++)
+  for (i = 0; i < DMA3_CHANNEL_COUNT; i++, dmach++)
     {
       dmach->base = IMX9_DMA3_BASE;
       dmach->chan = i;
 
-      irq_attach(IMX9_IRQ_DMA3_0 + i, imx9_edma_interrupt, dmach++);
+      irq_attach(IMX9_IRQ_DMA3_0 + i, imx9_edma_interrupt, dmach);
     }
 #endif
 
@@ -830,12 +830,17 @@ void weak_function arm64_dma_initialize(void)
 
   /* Initialize the channel */
 
-  for (i = 0; i < DMA4_CHANNEL_COUNT; i++)
+  for (i = 0; i < DMA4_CHANNEL_COUNT; i++, dmach++)
     {
       dmach->base = IMX9_DMA4_BASE;
       dmach->chan = i;
 
-      irq_attach(IMX9_IRQ_DMA4_0_1 + i, imx9_edma_interrupt, dmach++);
+      /* Attach interrupt for every second channel */
+
+      if ((i & 0x01) == 0)
+        {
+          irq_attach(IMX9_IRQ_DMA4_0_1 + (i >> 1), imx9_edma_interrupt, dmach);
+        }
     }
 #endif