diff options
Diffstat (limited to 'arch/arm/plat-samsung/s5p-irq-gpioint.c')
| -rw-r--r-- | arch/arm/plat-samsung/s5p-irq-gpioint.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/arch/arm/plat-samsung/s5p-irq-gpioint.c b/arch/arm/plat-samsung/s5p-irq-gpioint.c index f9431fe5b06..fafdb059043 100644 --- a/arch/arm/plat-samsung/s5p-irq-gpioint.c +++ b/arch/arm/plat-samsung/s5p-irq-gpioint.c @@ -14,6 +14,7 @@ #include <linux/kernel.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/irqchip/chained_irq.h> #include <linux/io.h> #include <linux/gpio.h> #include <linux/slab.h> @@ -22,9 +23,7 @@ #include <plat/gpio-core.h> #include <plat/gpio-cfg.h> -#include <asm/mach/irq.h> - -#define GPIO_BASE(chip) (((unsigned long)(chip)->base) & 0xFFFFF000u) +#define GPIO_BASE(chip) ((void __iomem *)((unsigned long)((chip)->base) & 0xFFFFF000u)) #define CON_OFFSET 0x700 #define MASK_OFFSET 0x900 @@ -153,7 +152,7 @@ static __init int s5p_gpioint_add(struct samsung_gpio_chip *chip) bank->chips[group - bank->start] = chip; gc = irq_alloc_generic_chip("s5p_gpioint", 1, chip->irq_base, - (void __iomem *)GPIO_BASE(chip), + GPIO_BASE(chip), handle_level_irq); if (!gc) return -ENOMEM; @@ -185,7 +184,7 @@ int __init s5p_register_gpio_interrupt(int pin) /* check if the group has been already registered */ if (my_chip->irq_base) - return my_chip->irq_base + offset; + goto success; /* register gpio group */ ret = s5p_gpioint_add(my_chip); @@ -193,9 +192,13 @@ int __init s5p_register_gpio_interrupt(int pin) my_chip->chip.to_irq = samsung_gpiolib_to_irq; printk(KERN_INFO "Registered interrupt support for gpio group %d.\n", group); - return my_chip->irq_base + offset; + goto success; } return ret; +success: + my_chip->bitmap_gpio_int |= BIT(offset); + + return my_chip->irq_base + offset; } int __init s5p_register_gpioint_bank(int chain_irq, int start, int nr_groups) |