mtd: spi-nor: Constify part specific fixup hooks

Constify 'struct spi_nor_fixups' in order to respect flash_info
structure declaration.
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Link: https://lore.kernel.org/r/20211106102915.153552-1-tudor.ambarus@microchip.com

drivers/mtd/spi-nor/gigadevice.c

@@ -19,7 +19,7 @@ static void gd25q256_default_init(struct spi_nor *nor)
 	nor->params->quad_enable = spi_nor_sr1_bit6_quad_enable;
 }
 
-static struct spi_nor_fixups gd25q256_fixups = {
+static const struct spi_nor_fixups gd25q256_fixups = {
 	.default_init = gd25q256_default_init,
 };
 

drivers/mtd/spi-nor/issi.c

@@ -25,7 +25,7 @@ is25lp256_post_bfpt_fixups(struct spi_nor *nor,
 	return 0;
 }
 
-static struct spi_nor_fixups is25lp256_fixups = {
+static const struct spi_nor_fixups is25lp256_fixups = {
 	.post_bfpt = is25lp256_post_bfpt_fixups,
 };
 

drivers/mtd/spi-nor/macronix.c

@@ -28,7 +28,7 @@ mx25l25635_post_bfpt_fixups(struct spi_nor *nor,
 	return 0;
 }
 
-static struct spi_nor_fixups mx25l25635_fixups = {
+static const struct spi_nor_fixups mx25l25635_fixups = {
 	.post_bfpt = mx25l25635_post_bfpt_fixups,
 };
 

drivers/mtd/spi-nor/micron-st.c

@@ -113,7 +113,7 @@ static void mt35xu512aba_post_sfdp_fixup(struct spi_nor *nor)
 	nor->params->quad_enable = NULL;
 }
 
-static struct spi_nor_fixups mt35xu512aba_fixups = {
+static const struct spi_nor_fixups mt35xu512aba_fixups = {
 	.default_init = mt35xu512aba_default_init,
 	.post_sfdp = mt35xu512aba_post_sfdp_fixup,
 };

drivers/mtd/spi-nor/spansion.c

@@ -168,7 +168,7 @@ static int s28hs512t_post_bfpt_fixup(struct spi_nor *nor,
 	return 0;
 }
 
-static struct spi_nor_fixups s28hs512t_fixups = {
+static const struct spi_nor_fixups s28hs512t_fixups = {
 	.default_init = s28hs512t_default_init,
 	.post_sfdp = s28hs512t_post_sfdp_fixup,
 	.post_bfpt = s28hs512t_post_bfpt_fixup,
@@ -190,7 +190,7 @@ s25fs_s_post_bfpt_fixups(struct spi_nor *nor,
 	return 0;
 }
 
-static struct spi_nor_fixups s25fs_s_fixups = {
+static const struct spi_nor_fixups s25fs_s_fixups = {
 	.post_bfpt = s25fs_s_post_bfpt_fixups,
 };
 

drivers/mtd/spi-nor/winbond.c

@@ -28,7 +28,7 @@ w25q256_post_bfpt_fixups(struct spi_nor *nor,
 	return 0;
 }
 
-static struct spi_nor_fixups w25q256_fixups = {
+static const struct spi_nor_fixups w25q256_fixups = {
 	.post_bfpt = w25q256_post_bfpt_fixups,
 };