[PATCH 1/2] media: ov2740: define most fields on variable declaration

[Link Mauve]

This also removes initializing reg_write to NULL, which will help with
changing its signature in nvmem-provider[1].

Thanks to Sakari Ailus for their suggestion[2]!

[1] https://lore.kernel.org/rust-for-linux/20260716142415.28718-1-linkmauve@xxxxxxxxxxxx/
[2] https://lore.kernel.org/rust-for-linux/al3sxMUgeK49dwNs@kekkonen.localdomain/

Signed-off-by: Link Mauve <linkmauve@xxxxxxxxxxxx>
Suggested-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
 drivers/media/i2c/ov2740.c | 27 +++++++++++++--------------
 1 file changed, 13 insertions(+), 14 deletions(-)

diff --git a/drivers/media/i2c/ov2740.c b/drivers/media/i2c/ov2740.c
index fb590dfadda1..fbcbadcecebe 100644
--- a/drivers/media/i2c/ov2740.c
+++ b/drivers/media/i2c/ov2740.c
@@ -1246,9 +1246,21 @@ static int ov2740_register_nvmem(struct i2c_client *client,
 {
 	struct nvm_data *nvm;
 	struct regmap_config regmap_config = { };
-	struct nvmem_config nvmem_config = { };
 	struct regmap *regmap;
 	struct device *dev = ov2740->dev;
+	struct nvmem_config nvmem_config = {
+		.name = dev_name(dev),
+		.dev = dev,
+		.read_only = true,
+		.root_only = true,
+		.owner = THIS_MODULE,
+		.compat = true,
+		.base_dev = dev,
+		.reg_read = ov2740_nvmem_read,
+		.stride = 1,
+		.word_size = 1,
+		.size = CUSTOMER_USE_OTP_SIZE,
+	};
 
 	nvm = devm_kzalloc(dev, sizeof(*nvm), GFP_KERNEL);
 	if (!nvm)
@@ -1262,20 +1274,7 @@ static int ov2740_register_nvmem(struct i2c_client *client,
 		return PTR_ERR(regmap);
 
 	nvm->regmap = regmap;
-
-	nvmem_config.name = dev_name(dev);
-	nvmem_config.dev = dev;
-	nvmem_config.read_only = true;
-	nvmem_config.root_only = true;
-	nvmem_config.owner = THIS_MODULE;
-	nvmem_config.compat = true;
-	nvmem_config.base_dev = dev;
-	nvmem_config.reg_read = ov2740_nvmem_read;
-	nvmem_config.reg_write = NULL;
 	nvmem_config.priv = nvm;
-	nvmem_config.stride = 1;
-	nvmem_config.word_size = 1;
-	nvmem_config.size = CUSTOMER_USE_OTP_SIZE;
 
 	nvm->nvmem = devm_nvmem_register(dev, &nvmem_config);
 	if (IS_ERR(nvm->nvmem))

base-commit: 9eebf259d5352b87080d67758f483583d9e763d7
-- 
2.55.0