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gpio: mxs: use new generic GPIO chip API

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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/20250826-gpio-mmio-gpio-conv-part2-v1-3-f67603e4b27e@linaro.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
This commit is contained in:
Bartosz Golaszewski 2025-08-26 11:35:04 +02:00
parent d3332dd1f6
commit c7357c8b67
1 changed files with 17 additions and 10 deletions
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27
drivers/gpio/gpio-mxs.c
View File

@ -8,6 +8,7 @@
#include <linux/err.h>
#include <linux/gpio/driver.h>
#include <linux/gpio/generic.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
@ -48,7 +49,7 @@ struct mxs_gpio_port {
int id;
int irq;
struct irq_domain *domain;
struct gpio_chip gc;
struct gpio_generic_chip chip;
struct device *dev;
enum mxs_gpio_id devid;
u32 both_edges;
@ -258,6 +259,7 @@ MODULE_DEVICE_TABLE(of, mxs_gpio_dt_ids);
static int mxs_gpio_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
struct gpio_generic_chip_config config;
struct device_node *parent;
static void __iomem *base;
struct mxs_gpio_port *port;
@ -319,19 +321,24 @@ static int mxs_gpio_probe(struct platform_device *pdev)
irq_set_chained_handler_and_data(port->irq, mxs_gpio_irq_handler,
port);
err = bgpio_init(&port->gc, &pdev->dev, 4,
port->base + PINCTRL_DIN(port),
port->base + PINCTRL_DOUT(port) + MXS_SET,
port->base + PINCTRL_DOUT(port) + MXS_CLR,
port->base + PINCTRL_DOE(port), NULL, 0);
config = (typeof(config)){
.dev = &pdev->dev,
.sz = 4,
.dat = port->base + PINCTRL_DIN(port),
.set = port->base + PINCTRL_DOUT(port) + MXS_SET,
.clr = port->base + PINCTRL_DOUT(port) + MXS_CLR,
.dirout = port->base + PINCTRL_DOE(port),
};
err = gpio_generic_chip_init(&port->chip, &config);
if (err)
goto out_irqdomain_remove;
port->gc.to_irq = mxs_gpio_to_irq;
port->gc.get_direction = mxs_gpio_get_direction;
port->gc.base = port->id * 32;
port->chip.gc.to_irq = mxs_gpio_to_irq;
port->chip.gc.get_direction = mxs_gpio_get_direction;
port->chip.gc.base = port->id * 32;
err = gpiochip_add_data(&port->gc, port);
err = gpiochip_add_data(&port->chip.gc, port);
if (err)
goto out_irqdomain_remove;