pinctrl: stm32: use new generic GPIO chip API

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

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/20250811-gpio-mmio-pinctrl-conv-v1-1-a84c5da2be20@linaro.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c b/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c
index e91442eb566bb21f7691fa14fcf684957eb6549b..dea49b9aabf2aebbaaa3cb33c8add9926972ed9f 100644 (file)
--- a/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c
+++ b/drivers/pinctrl/stm32/pinctrl-stm32-hdp.c
@@ -6,6 +6,7 @@
 #include <linux/bits.h>
 #include <linux/clk.h>
 #include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
 #include <linux/io.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
@@ -45,7 +46,7 @@ struct stm32_hdp {
        void __iomem *base;
        struct clk *clk;
        struct pinctrl_dev *pctl_dev;
-       struct gpio_chip gpio_chip;
+       struct gpio_generic_chip gpio_chip;
        u32 mux_conf;
        u32 gposet_conf;
        const char * const *func_name;
@@ -603,6 +604,7 @@ MODULE_DEVICE_TABLE(of, stm32_hdp_of_match);
 
 static int stm32_hdp_probe(struct platform_device *pdev)
 {
+       struct gpio_generic_chip_config config;
        struct device *dev = &pdev->dev;
        struct stm32_hdp *hdp;
        u8 version;
@@ -635,21 +637,25 @@ static int stm32_hdp_probe(struct platform_device *pdev)
        if (err)
                return dev_err_probe(dev, err, "Failed to enable pinctrl\n");
 
-       hdp->gpio_chip.get_direction = stm32_hdp_gpio_get_direction;
-       hdp->gpio_chip.ngpio         = ARRAY_SIZE(stm32_hdp_pins);
-       hdp->gpio_chip.can_sleep     = true;
-       hdp->gpio_chip.names         = stm32_hdp_pins_group;
-
-       err = bgpio_init(&hdp->gpio_chip, dev, 4,
-                        hdp->base + HDP_GPOVAL,
-                        hdp->base + HDP_GPOSET,
-                        hdp->base + HDP_GPOCLR,
-                        NULL, NULL, BGPIOF_NO_INPUT);
+       hdp->gpio_chip.gc.get_direction = stm32_hdp_gpio_get_direction;
+       hdp->gpio_chip.gc.ngpio      = ARRAY_SIZE(stm32_hdp_pins);
+       hdp->gpio_chip.gc.can_sleep     = true;
+       hdp->gpio_chip.gc.names      = stm32_hdp_pins_group;
+
+       config = (typeof(config)){
+               .dev = dev,
+               .sz = 4,
+               .dat = hdp->base + HDP_GPOVAL,
+               .set = hdp->base + HDP_GPOSET,
+               .clr = hdp->base + HDP_GPOCLR,
+               .flags = BGPIOF_NO_INPUT,
+       };
+
+       err = gpio_generic_chip_init(&hdp->gpio_chip, &config);
        if (err)
-               return dev_err_probe(dev, err, "Failed to init bgpio\n");
-
+               return dev_err_probe(dev, err, "Failed to init the generic GPIO chip\n");
 
-       err = devm_gpiochip_add_data(dev, &hdp->gpio_chip, hdp);
+       err = devm_gpiochip_add_data(dev, &hdp->gpio_chip.gc, hdp);
        if (err)
                return dev_err_probe(dev, err, "Failed to add gpiochip\n");