[PATCH][next] dmaengine: amd: qdma: make read-only arrays h2c_types and c2h_types static const

Colin Ian King posted 1 patch 2 months, 2 weeks ago
drivers/dma/amd/qdma/qdma.c | 22 +++++++++++++---------
1 file changed, 13 insertions(+), 9 deletions(-)
[PATCH][next] dmaengine: amd: qdma: make read-only arrays h2c_types and c2h_types static const
Posted by Colin Ian King 2 months, 2 weeks ago
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 <colin.i.king@gmail.com>
---
 drivers/dma/amd/qdma/qdma.c | 22 +++++++++++++---------
 1 file changed, 13 insertions(+), 9 deletions(-)

diff --git a/drivers/dma/amd/qdma/qdma.c b/drivers/dma/amd/qdma/qdma.c
index b0a1f3ad851b..17a876df9fb3 100644
--- a/drivers/dma/amd/qdma/qdma.c
+++ b/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) {
-- 
2.39.2