linux-kernel - [PATCH 1/1] spi: spi-qpic-snand: make qcom_spi_ecc_engine_ops

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Message-Id: <20251023024250.3181084-1-pengcan@kylinos.cn>
Date: Thu, 23 Oct 2025 10:42:50 +0800
From: Can Peng <pengcan@...inos.cn>
To: broonie@...nel.org
Cc: linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Can Peng <pengcan@...inos.cn>
Subject: [PATCH 1/1] spi: spi-qpic-snand: make qcom_spi_ecc_engine_ops_pipelined const

Marking the qcom_spi_ecc_engine_ops_pipelined as const provides
memory protection by preventing accidental modification of critical
function pointers at runtime. It also enables memory optimization
by placing the structure in read-only sections and improves code safety
by explicitly documenting the design intent that these operations
should not change after initialization.

Signed-off-by: Can Peng <pengcan@...inos.cn>
---
 drivers/spi/spi-qpic-snand.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/spi-qpic-snand.c b/drivers/spi/spi-qpic-snand.c
index 58ceea1ea8fb..7681a91d67d5 100644
--- a/drivers/spi/spi-qpic-snand.c
+++ b/drivers/spi/spi-qpic-snand.c
@@ -448,7 +448,7 @@ static int qcom_spi_ecc_finish_io_req_pipelined(struct nand_device *nand,
 		return snandc->qspi->ecc_stats.bitflips;
 }
 
-static struct nand_ecc_engine_ops qcom_spi_ecc_engine_ops_pipelined = {
+static const struct nand_ecc_engine_ops qcom_spi_ecc_engine_ops_pipelined = {
 	.init_ctx = qcom_spi_ecc_init_ctx_pipelined,
 	.cleanup_ctx = qcom_spi_ecc_cleanup_ctx_pipelined,
 	.prepare_io_req = qcom_spi_ecc_prepare_io_req_pipelined,
-- 
2.25.1