github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-30 10:04:04 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

gpio: ep93xx: use new generic GPIO chip API

Browse Source 
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/20250903-gpio-mmio-gpio-conv-part3-v1-11-ff346509f408@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-09-03 10:00:15 +02:00
parent a685ac6539
commit ab61c8b613
1 changed files with 18 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
drivers/gpio/gpio-ep93xx.c
View File

@ -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");