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Diffstat (limited to 'include/linux/gpio/driver.h')
-rw-r--r--include/linux/gpio/driver.h42
1 files changed, 19 insertions, 23 deletions
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index 54c3c6506503..6aeea1071b1b 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:
@@ -649,28 +659,14 @@ 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 */