linux-kernel - [PATCH 1/2] i2c: rtl9300: remove const cast

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Message-ID: <20251217063027.37987-2-rosenp@gmail.com>
Date: Tue, 16 Dec 2025 22:30:26 -0800
From: Rosen Penev <rosenp@...il.com>
To: linux-i2c@...r.kernel.org
Cc: Chris Packham <chris.packham@...iedtelesis.co.nz>,
	Andi Shyti <andi.shyti@...nel.org>,
	linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 1/2] i2c: rtl9300: remove const cast

These casts are used to remove const for no good reason. Fix the types
instead.

Signed-off-by: Rosen Penev <rosenp@...il.com>
---
 drivers/i2c/busses/i2c-rtl9300.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/i2c/busses/i2c-rtl9300.c b/drivers/i2c/busses/i2c-rtl9300.c
index 4723e48cfe18..f2aa341a7cdd 100644
--- a/drivers/i2c/busses/i2c-rtl9300.c
+++ b/drivers/i2c/busses/i2c-rtl9300.c
@@ -129,7 +129,7 @@ static int rtl9310_i2c_select_scl(struct rtl9300_i2c *i2c, u8 scl)
 
 static int rtl9300_i2c_config_chan(struct rtl9300_i2c *i2c, struct rtl9300_i2c_chan *chan)
 {
-	struct rtl9300_i2c_drv_data *drv_data;
+	const struct rtl9300_i2c_drv_data *drv_data;
 	int ret;
 
 	if (i2c->sda_num == chan->sda_num)
@@ -139,7 +139,7 @@ static int rtl9300_i2c_config_chan(struct rtl9300_i2c *i2c, struct rtl9300_i2c_c
 	if (ret)
 		return ret;
 
-	drv_data = (struct rtl9300_i2c_drv_data *)device_get_match_data(i2c->dev);
+	drv_data = device_get_match_data(i2c->dev);
 	ret = drv_data->select_scl(i2c, i2c->scl_num);
 	if (ret)
 		return ret;
@@ -372,7 +372,7 @@ static int rtl9300_i2c_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct rtl9300_i2c *i2c;
 	struct fwnode_handle *child;
-	struct rtl9300_i2c_drv_data *drv_data;
+	const struct rtl9300_i2c_drv_data *drv_data;
 	struct reg_field fields[F_NUM_FIELDS];
 	u32 clock_freq, scl_num, sda_num;
 	int ret, i = 0;
@@ -399,7 +399,7 @@ static int rtl9300_i2c_probe(struct platform_device *pdev)
 
 	platform_set_drvdata(pdev, i2c);
 
-	drv_data = (struct rtl9300_i2c_drv_data *)device_get_match_data(i2c->dev);
+	drv_data = device_get_match_data(i2c->dev);
 	if (device_get_child_node_count(dev) > drv_data->max_nchan)
 		return dev_err_probe(dev, -EINVAL, "Too many channels\n");
 
-- 
2.52.0