gpio: ts4800: use generic device properties

Avoid pulling in linux/of.h by using the generic device properties.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250825-gpio-mmio-gpio-conv-v1-5-356b4b1d5110@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-ts4800.c b/drivers/gpio/gpio-ts4800.c
index 86f7947ca9b2d23292c1e6660fe93c611e0cb837..f4ae87325393c909c66eda3bb7b2f849e645b7a4 100644 (file)
--- a/drivers/gpio/gpio-ts4800.c
+++ b/drivers/gpio/gpio-ts4800.c
@@ -7,8 +7,8 @@
 
 #include <linux/gpio/driver.h>
 #include <linux/module.h>
-#include <linux/of.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 
 #define DEFAULT_PIN_NUMBER      16
 #define INPUT_REG_OFFSET        0x00
@@ -17,7 +17,7 @@
 
 static int ts4800_gpio_probe(struct platform_device *pdev)
 {
-       struct device_node *node;
+       struct device *dev = &pdev->dev;
        struct gpio_chip *chip;
        void __iomem *base_addr;
        int retval;
@@ -31,11 +31,7 @@ static int ts4800_gpio_probe(struct platform_device *pdev)
        if (IS_ERR(base_addr))
                return PTR_ERR(base_addr);
 
-       node = pdev->dev.of_node;
-       if (!node)
-               return -EINVAL;
-
-       retval = of_property_read_u32(node, "ngpios", &ngpios);
+       retval = device_property_read_u32(dev, "ngpios", &ngpios);
        if (retval == -EINVAL)
                ngpios = DEFAULT_PIN_NUMBER;
        else if (retval)