ieee802154: ca8210: Get platform data via dev_get_platdata()

Access to platform data via dev_get_platdata() getter to make code cleaner.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/20250305105656.2133487-3-andriy.shevchenko@linux.intel.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>

drivers/net/ieee802154/ca8210.c

@@ -627,7 +627,8 @@ static int ca8210_spi_transfer(
  */
 static void ca8210_reset_send(struct spi_device *spi, unsigned int ms)
 {
-	struct ca8210_platform_data *pdata = spi->dev.platform_data;
+	struct device *dev = &spi->dev;
+	struct ca8210_platform_data *pdata = dev_get_platdata(dev);
 	struct ca8210_priv *priv = spi_get_drvdata(spi);
 	long status;
 
@@ -2736,9 +2737,10 @@ static int ca8210_config_extern_clk(
  */
 static int ca8210_register_ext_clock(struct spi_device *spi)
 {
+	struct device *dev = &spi->dev;
+	struct ca8210_platform_data *pdata = dev_get_platdata(dev);
 	struct device_node *np = spi->dev.of_node;
 	struct ca8210_priv *priv = spi_get_drvdata(spi);
-	struct ca8210_platform_data *pdata = spi->dev.platform_data;
 
 	if (!np)
 		return -EFAULT;
@@ -2784,8 +2786,9 @@ static void ca8210_unregister_ext_clock(struct spi_device *spi)
  */
 static int ca8210_reset_init(struct spi_device *spi)
 {
+	struct device *dev = &spi->dev;
+	struct ca8210_platform_data *pdata = dev_get_platdata(dev);
 	int ret;
-	struct ca8210_platform_data *pdata = spi->dev.platform_data;
 
 	pdata->gpio_reset = of_get_named_gpio(
 		spi->dev.of_node,
@@ -2813,8 +2816,9 @@ static int ca8210_reset_init(struct spi_device *spi)
  */
 static int ca8210_interrupt_init(struct spi_device *spi)
 {
+	struct device *dev = &spi->dev;
+	struct ca8210_platform_data *pdata = dev_get_platdata(dev);
 	int ret;
-	struct ca8210_platform_data *pdata = spi->dev.platform_data;
 
 	pdata->gpio_irq = of_get_named_gpio(
 		spi->dev.of_node,