can: tcan4x5x: remove not needed casts to struct tcan4x5x_priv *

The struct m_can_classdev::device_data is a void pointer, so there's no
need to cast it to struct tcan4x5x_priv *, when assigning the struct
tcan4x5x_priv pointer.

This patch removes the not needed casts from the tcan4x5x driver.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/m_can/tcan4x5x.c

@@ -233,7 +233,7 @@ static struct regmap_bus tcan4x5x_bus = {
 
 static u32 tcan4x5x_read_reg(struct m_can_classdev *cdev, int reg)
 {
-	struct tcan4x5x_priv *priv = (struct tcan4x5x_priv *)cdev->device_data;
+	struct tcan4x5x_priv *priv = cdev->device_data;
 	u32 val;
 
 	tcan4x5x_check_wake(priv);
@@ -245,7 +245,7 @@ static u32 tcan4x5x_read_reg(struct m_can_classdev *cdev, int reg)
 
 static u32 tcan4x5x_read_fifo(struct m_can_classdev *cdev, int addr_offset)
 {
-	struct tcan4x5x_priv *priv = (struct tcan4x5x_priv *)cdev->device_data;
+	struct tcan4x5x_priv *priv = cdev->device_data;
 	u32 val;
 
 	tcan4x5x_check_wake(priv);
@@ -257,7 +257,7 @@ static u32 tcan4x5x_read_fifo(struct m_can_classdev *cdev, int addr_offset)
 
 static int tcan4x5x_write_reg(struct m_can_classdev *cdev, int reg, int val)
 {
-	struct tcan4x5x_priv *priv = (struct tcan4x5x_priv *)cdev->device_data;
+	struct tcan4x5x_priv *priv = cdev->device_data;
 
 	tcan4x5x_check_wake(priv);
 
@@ -267,8 +267,7 @@ static int tcan4x5x_write_reg(struct m_can_classdev *cdev, int reg, int val)
 static int tcan4x5x_write_fifo(struct m_can_classdev *cdev,
 			       int addr_offset, int val)
 {
-	struct tcan4x5x_priv *priv =
-			(struct tcan4x5x_priv *)cdev->device_data;
+	struct tcan4x5x_priv *priv = cdev->device_data;
 
 	tcan4x5x_check_wake(priv);
 
@@ -289,8 +288,7 @@ static int tcan4x5x_power_enable(struct regulator *reg, int enable)
 static int tcan4x5x_write_tcan_reg(struct m_can_classdev *cdev,
 				   int reg, int val)
 {
-	struct tcan4x5x_priv *priv =
-			(struct tcan4x5x_priv *)cdev->device_data;
+	struct tcan4x5x_priv *priv = cdev->device_data;
 
 	tcan4x5x_check_wake(priv);
 
@@ -299,8 +297,7 @@ static int tcan4x5x_write_tcan_reg(struct m_can_classdev *cdev,
 
 static int tcan4x5x_clear_interrupts(struct m_can_classdev *cdev)
 {
-	struct tcan4x5x_priv *tcan4x5x =
-				(struct tcan4x5x_priv *)cdev->device_data;
+	struct tcan4x5x_priv *tcan4x5x = cdev->device_data;
 	int ret;
 
 	tcan4x5x_check_wake(tcan4x5x);
@@ -330,8 +327,7 @@ static int tcan4x5x_clear_interrupts(struct m_can_classdev *cdev)
 
 static int tcan4x5x_init(struct m_can_classdev *cdev)
 {
-	struct tcan4x5x_priv *tcan4x5x =
-				(struct tcan4x5x_priv *)cdev->device_data;
+	struct tcan4x5x_priv *tcan4x5x = cdev->device_data;
 	int ret;
 
 	tcan4x5x_check_wake(tcan4x5x);
@@ -358,8 +354,7 @@ static int tcan4x5x_init(struct m_can_classdev *cdev)
 
 static int tcan4x5x_parse_config(struct m_can_classdev *cdev)
 {
-	struct tcan4x5x_priv *tcan4x5x =
-				(struct tcan4x5x_priv *)cdev->device_data;
+	struct tcan4x5x_priv *tcan4x5x = cdev->device_data;
 
 	tcan4x5x->interrupt_gpio = devm_gpiod_get(cdev->dev, "data-ready",
 						  GPIOD_IN);