diff options
Diffstat (limited to 'include/linux/gpio/driver.h')
| -rw-r--r-- | include/linux/gpio/driver.h | 42 |
1 files changed, 19 insertions, 23 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h index b1e0f1f8ee2e..ad5b92b74ccf 100644 --- a/include/linux/gpio/driver.h +++ b/include/linux/gpio/driver.h @@ -12,6 +12,8 @@ #include <linux/property.h> #include <linux/types.h> +#include <asm/msi.h> + struct gpio_desc; struct of_phandle_args; struct device_node; @@ -23,6 +25,13 @@ enum gpio_lookup_flags; struct gpio_chip; +union gpio_irq_fwspec { + struct irq_fwspec fwspec; +#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN + msi_alloc_info_t msiinfo; +#endif +}; + #define GPIO_LINE_DIRECTION_IN 1 #define GPIO_LINE_DIRECTION_OUT 0 @@ -103,9 +112,10 @@ struct gpio_irq_chip { * variant named &gpiochip_populate_parent_fwspec_fourcell is also * available. */ - void *(*populate_parent_alloc_arg)(struct gpio_chip *gc, - unsigned int parent_hwirq, - unsigned int parent_type); + int (*populate_parent_alloc_arg)(struct gpio_chip *gc, + union gpio_irq_fwspec *fwspec, + unsigned int parent_hwirq, + unsigned int parent_type); /** * @child_offset_to_irq: @@ -646,28 +656,14 @@ struct bgpio_pdata { #ifdef CONFIG_IRQ_DOMAIN_HIERARCHY -void *gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc, +int gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc, + union gpio_irq_fwspec *gfwspec, + unsigned int parent_hwirq, + unsigned int parent_type); +int gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc, + union gpio_irq_fwspec *gfwspec, unsigned int parent_hwirq, unsigned int parent_type); -void *gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc, - unsigned int parent_hwirq, - unsigned int parent_type); - -#else - -static inline void *gpiochip_populate_parent_fwspec_twocell(struct gpio_chip *gc, - unsigned int parent_hwirq, - unsigned int parent_type) -{ - return NULL; -} - -static inline void *gpiochip_populate_parent_fwspec_fourcell(struct gpio_chip *gc, - unsigned int parent_hwirq, - unsigned int parent_type) -{ - return NULL; -} #endif /* CONFIG_IRQ_DOMAIN_HIERARCHY */ |