dmaengine: amd: qdma: make read-only arrays h2c_types and c2h_types static const

Don't populate the read-only arrays h2c_types and c2h_types on the
stack at run time, instead make them static const.

Signed-off-by: Colin Ian King <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Vinod Koul <[email protected]>

Author: ColinIanKing

drivers/dma/amd/qdma/qdma.c

@@ -283,16 +283,20 @@ static int qdma_check_queue_status(struct qdma_device *qdev,
 
 static int qdma_clear_queue_context(const struct qdma_queue *queue)
 {
-	enum qdma_ctxt_type h2c_types[] = { QDMA_CTXT_DESC_SW_H2C,
-					    QDMA_CTXT_DESC_HW_H2C,
-					    QDMA_CTXT_DESC_CR_H2C,
-					    QDMA_CTXT_PFTCH, };
-	enum qdma_ctxt_type c2h_types[] = { QDMA_CTXT_DESC_SW_C2H,
-					    QDMA_CTXT_DESC_HW_C2H,
-					    QDMA_CTXT_DESC_CR_C2H,
-					    QDMA_CTXT_PFTCH, };
+	static const enum qdma_ctxt_type h2c_types[] = {
+		QDMA_CTXT_DESC_SW_H2C,
+		QDMA_CTXT_DESC_HW_H2C,
+		QDMA_CTXT_DESC_CR_H2C,
+		QDMA_CTXT_PFTCH,
+	};
+	static const enum qdma_ctxt_type c2h_types[] = {
+		QDMA_CTXT_DESC_SW_C2H,
+		QDMA_CTXT_DESC_HW_C2H,
+		QDMA_CTXT_DESC_CR_C2H,
+		QDMA_CTXT_PFTCH,
+	};
 	struct qdma_device *qdev = queue->qdev;
-	enum qdma_ctxt_type *type;
+	const enum qdma_ctxt_type *type;
 	int ret, num, i;
 
 	if (queue->dir == DMA_MEM_TO_DEV) {