Commit ab61c8b6 authored by Bartosz Golaszewski's avatar Bartosz Golaszewski
Browse files

gpio: ep93xx: use new generic GPIO chip API 



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

Reviewed-by: default avatarLinus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250903-gpio-mmio-gpio-conv-part3-v1-11-ff346509f408@linaro.org


Signed-off-by: default avatarBartosz Golaszewski <bartosz.golaszewski@linaro.org>
parent a685ac65

drivers/gpio/gpio-ep93xx.c

+18 −5
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 


#include <linux/bitops.h>

#include <linux/gpio/driver.h>

#include <linux/gpio/generic.h>

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/io.h>
@@ -31,11 +32,14 @@ struct ep93xx_gpio_irq_chip { 


struct ep93xx_gpio_chip {

	void __iomem			*base;

	struct gpio_chip		gc;

	struct gpio_generic_chip	chip;

	struct ep93xx_gpio_irq_chip	*eic;

};



#define to_ep93xx_gpio_chip(x) container_of(x, struct ep93xx_gpio_chip, gc)

static struct ep93xx_gpio_chip *to_ep93xx_gpio_chip(struct gpio_chip *gc)

{

	return container_of(to_gpio_generic_chip(gc), struct ep93xx_gpio_chip, chip);

}



static struct ep93xx_gpio_irq_chip *to_ep93xx_gpio_irq_chip(struct gpio_chip *gc)

{
@@ -267,7 +271,7 @@ static const struct irq_chip gpio_eic_irq_chip = { 
static int ep93xx_setup_irqs(struct platform_device *pdev,

			     struct ep93xx_gpio_chip *egc)

{

	struct gpio_chip *gc = &egc->gc;

	struct gpio_chip *gc = &egc->chip.gc;

	struct device *dev = &pdev->dev;

	struct gpio_irq_chip *girq = &gc->irq;

	int ret, irq, i;
@@ -327,6 +331,7 @@ static int ep93xx_setup_irqs(struct platform_device *pdev, 


static int ep93xx_gpio_probe(struct platform_device *pdev)

{

	struct gpio_generic_chip_config config;

	struct ep93xx_gpio_chip *egc;

	struct gpio_chip *gc;

	void __iomem *data;
@@ -345,8 +350,16 @@ static int ep93xx_gpio_probe(struct platform_device *pdev) 
	if (IS_ERR(dir))

		return PTR_ERR(dir);



	gc = &egc->gc;

	ret = bgpio_init(gc, &pdev->dev, 1, data, NULL, NULL, dir, NULL, 0);

	gc = &egc->chip.gc;



	config = (typeof(config)){

		.dev = &pdev->dev,

		.sz = 1,

		.dat = data,

		.dirout = dir,

	};



	ret = gpio_generic_chip_init(&egc->chip, &config);

	if (ret)

		return dev_err_probe(&pdev->dev, ret, "unable to init generic GPIO\n");