summaryrefslogtreecommitdiff
path: root/drivers/gpio
diff options
context:
space:
mode:
authorMoses Christopher Bollavarapu <mosescb.dev@gmail.com>2022-05-12 09:14:15 +0200
committerBartosz Golaszewski <brgl@bgdev.pl>2022-05-14 14:41:21 +0200
commitcf8f4462e5fa6b3b0c7f3a7543473d0dfdd8d06a (patch)
treeb36023d9080b52f35fb51bda990f7f70799e20f2 /drivers/gpio
parent86bfb916df5982911028b285dbfb7faf494b4a05 (diff)
gpio: zevio: drop of_gpio.h header
Remove of_gpio.h header file, replace of_* functions and structs with appropriate alternatives. Signed-off-by: Moses Christopher Bollavarapu <mosescb.dev@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-zevio.c25
1 files changed, 14 insertions, 11 deletions
diff --git a/drivers/gpio/gpio-zevio.c b/drivers/gpio/gpio-zevio.c
index f6f8a541348f..ce9d1282165c 100644
--- a/drivers/gpio/gpio-zevio.c
+++ b/drivers/gpio/gpio-zevio.c
@@ -11,7 +11,6 @@
#include <linux/bitops.h>
#include <linux/io.h>
#include <linux/of_device.h>
-#include <linux/of_gpio.h>
#include <linux/slab.h>
#include <linux/gpio/driver.h>
@@ -53,22 +52,23 @@
#define ZEVIO_GPIO_BIT(gpio) (gpio&7)
struct zevio_gpio {
+ struct gpio_chip chip;
spinlock_t lock;
- struct of_mm_gpio_chip chip;
+ void __iomem *regs;
};
static inline u32 zevio_gpio_port_get(struct zevio_gpio *c, unsigned pin,
unsigned port_offset)
{
unsigned section_offset = ((pin >> 3) & 3)*ZEVIO_GPIO_SECTION_SIZE;
- return readl(IOMEM(c->chip.regs + section_offset + port_offset));
+ return readl(IOMEM(c->regs + section_offset + port_offset));
}
static inline void zevio_gpio_port_set(struct zevio_gpio *c, unsigned pin,
unsigned port_offset, u32 val)
{
unsigned section_offset = ((pin >> 3) & 3)*ZEVIO_GPIO_SECTION_SIZE;
- writel(val, IOMEM(c->chip.regs + section_offset + port_offset));
+ writel(val, IOMEM(c->regs + section_offset + port_offset));
}
/* Functions for struct gpio_chip */
@@ -178,12 +178,15 @@ static int zevio_gpio_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, controller);
/* Copy our reference */
- controller->chip.gc = zevio_gpio_chip;
- controller->chip.gc.parent = &pdev->dev;
+ controller->chip = zevio_gpio_chip;
+ controller->chip.parent = &pdev->dev;
- status = of_mm_gpiochip_add_data(pdev->dev.of_node,
- &(controller->chip),
- controller);
+ controller->regs = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(controller->regs))
+ return dev_err_probe(&pdev->dev, PTR_ERR(controller->regs),
+ "failed to ioremap memory resource\n");
+
+ status = devm_gpiochip_add_data(&pdev->dev, &controller->chip, controller);
if (status) {
dev_err(&pdev->dev, "failed to add gpiochip: %d\n", status);
return status;
@@ -192,10 +195,10 @@ static int zevio_gpio_probe(struct platform_device *pdev)
spin_lock_init(&controller->lock);
/* Disable interrupts, they only cause errors */
- for (i = 0; i < controller->chip.gc.ngpio; i += 8)
+ for (i = 0; i < controller->chip.ngpio; i += 8)
zevio_gpio_port_set(controller, i, ZEVIO_GPIO_INT_MASK, 0xFF);
- dev_dbg(controller->chip.gc.parent, "ZEVIO GPIO controller set up!\n");
+ dev_dbg(controller->chip.parent, "ZEVIO GPIO controller set up!\n");
return 0;
}