linux-kernel - [PATCH 2/2] iio: light: cm3232: make struct cm3232_als

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Message-Id: <20250628-iio-const-data-20-v1-2-2bf90b03f9f1@baylibre.com>
Date: Sat, 28 Jun 2025 12:52:31 -0500
From: David Lechner <dlechner@...libre.com>
To: Kevin Tsai <ktsai@...ellamicro.com>, 
 Jonathan Cameron <jic23@...nel.org>, 
 Nuno Sá <nuno.sa@...log.com>, 
 Andy Shevchenko <andy@...nel.org>
Cc: linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
 David Lechner <dlechner@...libre.com>
Subject: [PATCH 2/2] iio: light: cm3232: make struct cm3232_als_info const

Add const qualifier to struct cm3232_als_info. This is read-only data so
it can be made const.

Signed-off-by: David Lechner <dlechner@...libre.com>
---
 drivers/iio/light/cm3232.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/light/cm3232.c b/drivers/iio/light/cm3232.c
index b6823a5a0860a32a65b6e3e76b4e22bc9cd14312..3a3ad6b4c46860cb401e8084c47d3abe1f3f4169 100644
--- a/drivers/iio/light/cm3232.c
+++ b/drivers/iio/light/cm3232.c
@@ -58,7 +58,7 @@ struct cm3232_als_info {
 	int mlux_per_bit_base_it;
 };
 
-static struct cm3232_als_info cm3232_als_info_default = {
+static const struct cm3232_als_info cm3232_als_info_default = {
 	.regs_cmd_default = CM3232_CMD_DEFAULT,
 	.hw_id = CM3232_HW_ID,
 	.mlux_per_bit = CM3232_MLUX_PER_BIT_DEFAULT,
@@ -67,7 +67,7 @@ static struct cm3232_als_info cm3232_als_info_default = {
 
 struct cm3232_chip {
 	struct i2c_client *client;
-	struct cm3232_als_info *als_info;
+	const struct cm3232_als_info *als_info;
 	int calibscale;
 	u8 regs_cmd;
 	u16 regs_als;
@@ -198,7 +198,7 @@ static int cm3232_write_als_it(struct cm3232_chip *chip, int val, int val2)
 static int cm3232_get_lux(struct cm3232_chip *chip)
 {
 	struct i2c_client *client = chip->client;
-	struct cm3232_als_info *als_info = chip->als_info;
+	const struct cm3232_als_info *als_info = chip->als_info;
 	int ret;
 	int val, val2;
 	int als_it;

-- 
2.43.0