diff options
| -rw-r--r-- | arch/powerpc/platforms/44x/Kconfig | 1 | ||||
| -rw-r--r-- | arch/powerpc/platforms/44x/gpio.c | 33 |
2 files changed, 19 insertions, 15 deletions
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 35a1f4b9f827..fc79f8466933 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -231,7 +231,6 @@ config PPC4xx_GPIO bool "PPC4xx GPIO support" depends on 44x select GPIOLIB - select OF_GPIO_MM_GPIOCHIP help Enable gpiolib support for ppc440 based boards diff --git a/arch/powerpc/platforms/44x/gpio.c b/arch/powerpc/platforms/44x/gpio.c index a025b3248342..aea0d913b59d 100644 --- a/arch/powerpc/platforms/44x/gpio.c +++ b/arch/powerpc/platforms/44x/gpio.c @@ -14,7 +14,6 @@ #include <linux/spinlock.h> #include <linux/io.h> #include <linux/of.h> -#include <linux/gpio/legacy-of-mm-gpiochip.h> #include <linux/gpio/driver.h> #include <linux/types.h> #include <linux/slab.h> @@ -46,7 +45,8 @@ struct ppc4xx_gpio { }; struct ppc4xx_gpio_chip { - struct of_mm_gpio_chip mm_gc; + struct gpio_chip gc; + void __iomem *regs; spinlock_t lock; }; @@ -58,8 +58,8 @@ struct ppc4xx_gpio_chip { static int ppc4xx_gpio_get(struct gpio_chip *gc, unsigned int gpio) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct ppc4xx_gpio __iomem *regs = mm_gc->regs; + struct ppc4xx_gpio_chip *chip = gpiochip_get_data(gc); + struct ppc4xx_gpio __iomem *regs = chip->regs; return !!(in_be32(®s->ir) & GPIO_MASK(gpio)); } @@ -67,8 +67,8 @@ static int ppc4xx_gpio_get(struct gpio_chip *gc, unsigned int gpio) static inline void __ppc4xx_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); - struct ppc4xx_gpio __iomem *regs = mm_gc->regs; + struct ppc4xx_gpio_chip *chip = gpiochip_get_data(gc); + struct ppc4xx_gpio __iomem *regs = chip->regs; if (val) setbits32(®s->or, GPIO_MASK(gpio)); @@ -94,9 +94,8 @@ static int ppc4xx_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) static int ppc4xx_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); struct ppc4xx_gpio_chip *chip = gpiochip_get_data(gc); - struct ppc4xx_gpio __iomem *regs = mm_gc->regs; + struct ppc4xx_gpio __iomem *regs = chip->regs; unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -124,9 +123,8 @@ static int ppc4xx_gpio_dir_in(struct gpio_chip *gc, unsigned int gpio) static int ppc4xx_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) { - struct of_mm_gpio_chip *mm_gc = to_of_mm_gpio_chip(gc); struct ppc4xx_gpio_chip *chip = gpiochip_get_data(gc); - struct ppc4xx_gpio __iomem *regs = mm_gc->regs; + struct ppc4xx_gpio __iomem *regs = chip->regs; unsigned long flags; spin_lock_irqsave(&chip->lock, flags); @@ -161,7 +159,6 @@ static int ppc4xx_gpio_probe(struct platform_device *ofdev) struct device *dev = &ofdev->dev; struct device_node *np = dev->of_node; struct ppc4xx_gpio_chip *chip; - struct of_mm_gpio_chip *mm_gc; struct gpio_chip *gc; chip = devm_kzalloc(dev, sizeof(*chip), GFP_KERNEL); @@ -170,16 +167,24 @@ static int ppc4xx_gpio_probe(struct platform_device *ofdev) spin_lock_init(&chip->lock); - mm_gc = &chip->mm_gc; - gc = &mm_gc->gc; + gc = &chip->gc; + gc->base = -1; gc->ngpio = 32; gc->direction_input = ppc4xx_gpio_dir_in; gc->direction_output = ppc4xx_gpio_dir_out; gc->get = ppc4xx_gpio_get; gc->set = ppc4xx_gpio_set; - return of_mm_gpiochip_add_data(np, mm_gc, chip); + gc->label = devm_kasprintf(dev, GFP_KERNEL, "%pOF", np); + if (!gc->label) + return -ENOMEM; + + chip->regs = devm_of_iomap(dev, np, 0, NULL); + if (IS_ERR(chip->regs)) + return PTR_ERR(chip->regs); + + return devm_gpiochip_add_data(dev, gc, chip); } static const struct of_device_id ppc4xx_gpio_match[] = { |