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authorBartosz Golaszewski <bartosz.golaszewski@linaro.org>2025-08-11 15:36:17 +0200
committerLee Jones <lee@kernel.org>2025-09-03 12:45:33 +0100
commit9b33bbc084accb4ebde3c6888758b31e3bdf1c57 (patch)
tree1f4e2b15adf28a3b2c65f24b609f8a86e5c3c0d0
parent1efbee6852f1ff698a9981bd731308dd027189fb (diff)
mfd: vexpress-sysreg: 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 <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>
-rw-r--r--drivers/mfd/vexpress-sysreg.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/drivers/mfd/vexpress-sysreg.c b/drivers/mfd/vexpress-sysreg.c
index 77245c1e5d7d..9399eb850ca2 100644
--- a/drivers/mfd/vexpress-sysreg.c
+++ b/drivers/mfd/vexpress-sysreg.c
@@ -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;