pinctrl: equilibrium: 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 <[e-mail]>
Link: https://lore.kernel.org/[e-mail]
Signed-off-by: Linus Walleij <[e-mail]>

drivers/pinctrl/pinctrl-equilibrium.c

···
 /* Copyright (C) 2019 Intel Corporation */
 
 #include <linux/gpio/driver.h>
+#include <linux/gpio/generic.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
···
 	struct gpio_irq_chip *girq;
 	struct gpio_chip *gc;
 
-	gc = &gctrl->chip;
+	gc = &gctrl->chip.gc;
 	gc->label = gctrl->name;
 	gc->fwnode = gctrl->fwnode;
 	gc->request = gpiochip_generic_request;
···
 		return 0;
 	}
 
-	girq = &gctrl->chip.irq;
+	girq = &gctrl->chip.gc.irq;
 	gpio_irq_chip_set_chip(girq, &eqbr_irq_chip);
 	girq->parent_handler = eqbr_irq_handler;
 	girq->num_parents = 1;
···
 
 static int gpiolib_reg(struct eqbr_pinctrl_drv_data *drvdata)
 {
+	struct gpio_generic_chip_config config;
 	struct device *dev = drvdata->dev;
 	struct eqbr_gpio_ctrl *gctrl;
 	struct device_node *np;
···
 		}
 		raw_spin_lock_init(&gctrl->lock);
 
-		ret = bgpio_init(&gctrl->chip, dev, gctrl->bank->nr_pins / 8,
-				 gctrl->membase + GPIO_IN,
-				 gctrl->membase + GPIO_OUTSET,
-				 gctrl->membase + GPIO_OUTCLR,
-				 gctrl->membase + GPIO_DIR,
-				 NULL, 0);
+		config = (typeof(config)){
+			.dev = dev,
+			.sz = gctrl->bank->nr_pins / 8,
+			.dat = gctrl->membase + GPIO_IN,
+			.set = gctrl->membase + GPIO_OUTSET,
+			.clr = gctrl->membase + GPIO_OUTCLR,
+			.dirout = gctrl->membase + GPIO_DIR,
+		};
+
+		ret = gpio_generic_chip_init(&gctrl->chip, &config);
 		if (ret) {
 			dev_err(dev, "unable to init generic GPIO\n");
 			return ret;
···
 		if (ret)
 			return ret;
 
-		ret = devm_gpiochip_add_data(dev, &gctrl->chip, gctrl);
+		ret = devm_gpiochip_add_data(dev, &gctrl->chip.gc, gctrl);
 		if (ret)
 			return ret;
 	}
···
 					bank->pin_base, pin);
 				return -ENODEV;
 			}
-			gc = &gctrl->chip;
+			gc = &gctrl->chip.gc;
 			gc->direction_output(gc, offset, 0);
 			continue;
 		default:

drivers/pinctrl/pinctrl-equilibrium.h

···
  * @lock: spin lock to protect gpio register write.
  */
 struct eqbr_gpio_ctrl {
-	struct gpio_chip	chip;
+	struct gpio_generic_chip chip;
 	struct fwnode_handle	*fwnode;
 	struct eqbr_pin_bank	*bank;
 	void __iomem		*membase;