[PATCH] mtd: spi-nor: constify fsl_qspi_devtype_data

[LABBE Corentin]

All fsl_qspi_devtype_data structures are never modified.
This patch constify them.

Signed-off-by: LABBE Corentin <clabbe.montj...@gmail.com>
---
 drivers/mtd/spi-nor/fsl-quadspi.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/mtd/spi-nor/fsl-quadspi.c 
b/drivers/mtd/spi-nor/fsl-quadspi.c
index 5c82e4e..b4d8953 100644
--- a/drivers/mtd/spi-nor/fsl-quadspi.c
+++ b/drivers/mtd/spi-nor/fsl-quadspi.c
@@ -224,7 +224,7 @@ struct fsl_qspi_devtype_data {
        int driver_data;
 };
 
-static struct fsl_qspi_devtype_data vybrid_data = {
+static const struct fsl_qspi_devtype_data vybrid_data = {
        .devtype = FSL_QUADSPI_VYBRID,
        .rxfifo = 128,
        .txfifo = 64,
@@ -232,7 +232,7 @@ static struct fsl_qspi_devtype_data vybrid_data = {
        .driver_data = QUADSPI_QUIRK_SWAP_ENDIAN,
 };
 
-static struct fsl_qspi_devtype_data imx6sx_data = {
+static const struct fsl_qspi_devtype_data imx6sx_data = {
        .devtype = FSL_QUADSPI_IMX6SX,
        .rxfifo = 128,
        .txfifo = 512,
@@ -241,7 +241,7 @@ static struct fsl_qspi_devtype_data imx6sx_data = {
                       | QUADSPI_QUIRK_TKT245618,
 };
 
-static struct fsl_qspi_devtype_data imx7d_data = {
+static const struct fsl_qspi_devtype_data imx7d_data = {
        .devtype = FSL_QUADSPI_IMX7D,
        .rxfifo = 512,
        .txfifo = 512,
@@ -250,7 +250,7 @@ static struct fsl_qspi_devtype_data imx7d_data = {
                       | QUADSPI_QUIRK_4X_INT_CLK,
 };
 
-static struct fsl_qspi_devtype_data imx6ul_data = {
+static const struct fsl_qspi_devtype_data imx6ul_data = {
        .devtype = FSL_QUADSPI_IMX6UL,
        .rxfifo = 128,
        .txfifo = 512,
-- 
2.7.3