gpio: ge: use new generic GPIO chip API

Convert the driver to using the new generic GPIO chip interfaces from
linux/gpio/generic.h.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250825-gpio-mmio-gpio-conv-v1-14-356b4b1d5110@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>

diff --git a/drivers/gpio/gpio-ge.c b/drivers/gpio/gpio-ge.c
index 5dc4964..a02dd32 100644 (file)
--- a/drivers/gpio/gpio-ge.c
+++ b/drivers/gpio/gpio-ge.c
@@ -16,6 +16,7 @@
  */
 
 #include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
 #include <linux/io.h>
 #include <linux/kernel.h>
 #include <linux/mod_devicetable.h>
@@ -51,24 +52,36 @@ MODULE_DEVICE_TABLE(of, gef_gpio_ids);
 
 static int __init gef_gpio_probe(struct platform_device *pdev)
 {
+       struct gpio_generic_chip_config config;
        struct device *dev = &pdev->dev;
+       struct gpio_generic_chip *chip;
        struct gpio_chip *gc;
        void __iomem *regs;
        int ret;
 
-       gc = devm_kzalloc(dev, sizeof(*gc), GFP_KERNEL);
-       if (!gc)
+       chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL);
+       if (!chip)
                return -ENOMEM;
 
        regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(regs))
                return PTR_ERR(regs);
 
-       ret = bgpio_init(gc, dev, 4, regs + GEF_GPIO_IN, regs + GEF_GPIO_OUT,
-                        NULL, NULL, regs + GEF_GPIO_DIRECT,
-                        BGPIOF_BIG_ENDIAN_BYTE_ORDER);
+       config = (typeof(config)){
+               .dev = dev,
+               .sz = 4,
+               .dat = regs + GEF_GPIO_IN,
+               .set = regs + GEF_GPIO_OUT,
+               .dirin = regs + GEF_GPIO_DIRECT,
+               .flags = BGPIOF_BIG_ENDIAN_BYTE_ORDER,
+       };
+
+       ret = gpio_generic_chip_init(chip, &config);
        if (ret)
-               return dev_err_probe(dev, ret, "bgpio_init failed\n");
+               return dev_err_probe(dev, ret,
+                                    "failed to initialize the generic GPIO chip\n");
+
+       gc = &chip->gc;
 
        /* Setup pointers to chip functions */
        gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pfw", dev_fwnode(dev));