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mfd: vexpress-sysreg: 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.

Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250811-gpio-mmio-mfd-conv-v1-2-68c5c958cf80@linaro.org
Signed-off-by: Lee Jones <lee@kernel.org>
This commit is contained in:
Bartosz Golaszewski 2025-08-11 15:36:17 +02:00 committed by Lee Jones
parent 1efbee6852
commit 9b33bbc084
1 changed files with 16 additions and 5 deletions
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21
drivers/mfd/vexpress-sysreg.c
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@ -5,6 +5,7 @@
*/
#include <linux/gpio/driver.h>
#include <linux/gpio/generic.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/mfd/core.h>
@ -96,9 +97,10 @@ static struct mfd_cell vexpress_sysreg_cells[] = {
static int vexpress_sysreg_probe(struct platform_device *pdev)
{
struct gpio_generic_chip *mmc_gpio_chip;
struct gpio_generic_chip_config config;
struct resource *mem;
void __iomem *base;
struct gpio_chip *mmc_gpio_chip;
int ret;
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
@ -117,11 +119,20 @@ static int vexpress_sysreg_probe(struct platform_device *pdev)
GFP_KERNEL);
if (!mmc_gpio_chip)
return -ENOMEM;
bgpio_init(mmc_gpio_chip, &pdev->dev, 0x4, base + SYS_MCI,
NULL, NULL, NULL, NULL, 0);
mmc_gpio_chip->ngpio = 2;
ret = devm_gpiochip_add_data(&pdev->dev, mmc_gpio_chip, NULL);
config = (typeof(config)){
.dev = &pdev->dev,
.sz = 4,
.dat = base + SYS_MCI,
};
ret = gpio_generic_chip_init(mmc_gpio_chip, &config);
if (ret)
return ret;
mmc_gpio_chip->gc.ngpio = 2;
ret = devm_gpiochip_add_data(&pdev->dev, &mmc_gpio_chip->gc, NULL);
if (ret)
return ret;