[PATCH 4/5] irqchip: gic-v3: Add gic_get_irq_domain() to get the irqdomain of the GIC.
David Daney
ddaney.cavm at gmail.com
Wed Jul 15 09:54:44 PDT 2015
From: David Daney <david.daney at cavium.com>
Needed to map SPI interrupt sources.
Signed-off-by: David Daney <david.daney at cavium.com>
---
drivers/irqchip/irq-gic-v3.c | 5 +++++
include/linux/irqchip/arm-gic-v3.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v3.c b/drivers/irqchip/irq-gic-v3.c
index c52f7ba..0019fed 100644
--- a/drivers/irqchip/irq-gic-v3.c
+++ b/drivers/irqchip/irq-gic-v3.c
@@ -58,6 +58,11 @@ static struct gic_chip_data gic_data __read_mostly;
/* Our default, arbitrary priority value. Linux only uses one anyway. */
#define DEFAULT_PMR_VALUE 0xf0
+struct irq_domain *gic_get_irq_domain(void)
+{
+ return gic_data.domain;
+}
+
static inline unsigned int gic_irq(struct irq_data *d)
{
return d->hwirq;
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index 18e3757..5992224 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -391,6 +391,7 @@ int its_init(struct device_node *node, struct rdists *rdists,
typedef u32 (*its_pci_requester_id_t)(struct pci_dev *, u16);
void set_its_pci_requester_id(its_pci_requester_id_t fn);
+struct irq_domain *gic_get_irq_domain(void);
#endif
#endif
--
1.9.1
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