Use YieldProcessor in DMA driver

worproject · Nov 29, 2023 · 594a74c · 594a74c
1 parent 5031f46
commit 594a74c
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/drivers/dma/pl330dma/dmacontroller.c b/drivers/dma/pl330dma/dmacontroller.c
@@ -120,7 +120,7 @@ static NTSTATUS UntilDmacIdle(PPL330DMA_THREAD Thread)
 		if (!(read32(pDevice, DBGSTATUS) & DBG_BUSY))
 			return STATUS_SUCCESS;
 
-		__yield();
+		YieldProcessor();
 
 		LARGE_INTEGER CurrentTime;
 		KeQuerySystemTimePrecise(&CurrentTime);

diff --git a/drivers/dma/pl330dma/pl330.h b/drivers/dma/pl330dma/pl330.h
@@ -222,7 +222,7 @@ enum pl330_byteswap {
 #define MCODE_BUFF_PER_REQ	256
 
 /* Use this _only_ to wait on transient states */
-#define UNTIL(t, s) while (!(_state(t) & (s))) __yield();
+#define UNTIL(t, s) while (!(_state(t) & (s))) YieldProcessor();
 
  /* The number of default descriptors */