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gpio: zevio: drop of_gpio.h header

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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>
This commit is contained in:
Moses Christopher Bollavarapu 2022-05-12 09:14:15 +02:00 committed by Bartosz Golaszewski
parent 86bfb916df
commit cf8f4462e5
1 changed files with 14 additions and 11 deletions
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25
drivers/gpio/gpio-zevio.c
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@ -11,7 +11,6 @@
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/io.h> #include <linux/io.h>
#include <linux/of_device.h> #include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/gpio/driver.h> #include <linux/gpio/driver.h>
@ -53,22 +52,23 @@
#define ZEVIO_GPIO_BIT(gpio) (gpio&7) #define ZEVIO_GPIO_BIT(gpio) (gpio&7)
struct zevio_gpio { struct zevio_gpio {
struct gpio_chip chip;
spinlock_t lock; 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, static inline u32 zevio_gpio_port_get(struct zevio_gpio *c, unsigned pin,
unsigned port_offset) unsigned port_offset)
{ {
unsigned section_offset = ((pin >> 3) & 3)*ZEVIO_GPIO_SECTION_SIZE; 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, static inline void zevio_gpio_port_set(struct zevio_gpio *c, unsigned pin,
unsigned port_offset, u32 val) unsigned port_offset, u32 val)
{ {
unsigned section_offset = ((pin >> 3) & 3)*ZEVIO_GPIO_SECTION_SIZE; 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 */ /* Functions for struct gpio_chip */
@ -178,12 +178,15 @@ static int zevio_gpio_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, controller); platform_set_drvdata(pdev, controller);
/* Copy our reference */ /* Copy our reference */
controller->chip.gc = zevio_gpio_chip; controller->chip = zevio_gpio_chip;
controller->chip.gc.parent = &pdev->dev; controller->chip.parent = &pdev->dev;
status = of_mm_gpiochip_add_data(pdev->dev.of_node, controller->regs = devm_platform_ioremap_resource(pdev, 0);
&(controller->chip), if (IS_ERR(controller->regs))
controller); 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) { if (status) {
dev_err(&pdev->dev, "failed to add gpiochip: %d\n", status); dev_err(&pdev->dev, "failed to add gpiochip: %d\n", status);
return status; return status;
@ -192,10 +195,10 @@ static int zevio_gpio_probe(struct platform_device *pdev)
spin_lock_init(&controller->lock); spin_lock_init(&controller->lock);
/* Disable interrupts, they only cause errors */ /* 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); 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; return 0;
} }