4 files changed, 6 insertions, 6 deletions
diff --git a/drivers/mtd/nand/ecc-mxic.c b/drivers/mtd/nand/ecc-mxic.c
index 47e10945b8d2..86895e09328f 100644
--- a/drivers/mtd/nand/ecc-mxic.c
+++ b/drivers/mtd/nand/ecc-mxic.c
@@ -723,21 +723,21 @@ static int mxic_ecc_finish_io_req_pipelined(struct nand_device *nand,
 	return ret;
 }
 
-static struct nand_ecc_engine_ops mxic_ecc_engine_external_ops = {
+static const struct nand_ecc_engine_ops mxic_ecc_engine_external_ops = {
 	.init_ctx = mxic_ecc_init_ctx_external,
 	.cleanup_ctx = mxic_ecc_cleanup_ctx,
 	.prepare_io_req = mxic_ecc_prepare_io_req_external,
 	.finish_io_req = mxic_ecc_finish_io_req_external,
 };
 
-static struct nand_ecc_engine_ops mxic_ecc_engine_pipelined_ops = {
+static const struct nand_ecc_engine_ops mxic_ecc_engine_pipelined_ops = {
 	.init_ctx = mxic_ecc_init_ctx_pipelined,
 	.cleanup_ctx = mxic_ecc_cleanup_ctx,
 	.prepare_io_req = mxic_ecc_prepare_io_req_pipelined,
 	.finish_io_req = mxic_ecc_finish_io_req_pipelined,
 };
 
-struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void)
+const struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void)
 {
 	return &mxic_ecc_engine_pipelined_ops;
 }
diff --git a/drivers/mtd/nand/ecc-sw-bch.c b/drivers/mtd/nand/ecc-sw-bch.c
index 405552d014a8..0d9310dd6f52 100644
--- a/drivers/mtd/nand/ecc-sw-bch.c
+++ b/drivers/mtd/nand/ecc-sw-bch.c
@@ -384,7 +384,7 @@ static int nand_ecc_sw_bch_finish_io_req(struct nand_device *nand,
 	return max_bitflips;
 }
 
-static struct nand_ecc_engine_ops nand_ecc_sw_bch_engine_ops = {
+static const struct nand_ecc_engine_ops nand_ecc_sw_bch_engine_ops = {
 	.init_ctx = nand_ecc_sw_bch_init_ctx,
 	.cleanup_ctx = nand_ecc_sw_bch_cleanup_ctx,
 	.prepare_io_req = nand_ecc_sw_bch_prepare_io_req,
diff --git a/drivers/mtd/nand/ecc-sw-hamming.c b/drivers/mtd/nand/ecc-sw-hamming.c
index 254db2e7f8bb..f2d0effad9d2 100644
--- a/drivers/mtd/nand/ecc-sw-hamming.c
+++ b/drivers/mtd/nand/ecc-sw-hamming.c
@@ -638,7 +638,7 @@ static int nand_ecc_sw_hamming_finish_io_req(struct nand_device *nand,
 	return max_bitflips;
 }
 
-static struct nand_ecc_engine_ops nand_ecc_sw_hamming_engine_ops = {
+static const struct nand_ecc_engine_ops nand_ecc_sw_hamming_engine_ops = {
 	.init_ctx = nand_ecc_sw_hamming_init_ctx,
 	.cleanup_ctx = nand_ecc_sw_hamming_cleanup_ctx,
 	.prepare_io_req = nand_ecc_sw_hamming_prepare_io_req,
diff --git a/drivers/mtd/nand/spi/core.c b/drivers/mtd/nand/spi/core.c
index 4d76f9f71a0e..b1df7f627161 100644
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -337,7 +337,7 @@ static int spinand_ondie_ecc_finish_io_req(struct nand_device *nand,
 	return ret;
 }
 
-static struct nand_ecc_engine_ops spinand_ondie_ecc_engine_ops = {
+static const struct nand_ecc_engine_ops spinand_ondie_ecc_engine_ops = {
 	.init_ctx = spinand_ondie_ecc_init_ctx,
 	.cleanup_ctx = spinand_ondie_ecc_cleanup_ctx,
 	.prepare_io_req = spinand_ondie_ecc_prepare_io_req,