[PATCH 4/5] irqchip: gic-v3: Add gic_get_irq_domain() to get the irqdomain of the GIC.
Marc Zyngier
marc.zyngier at arm.com
Wed Jul 15 10:12:31 PDT 2015
On 15/07/15 17:54, David Daney wrote:
> 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
>
Hmmmffff... You need the domain for SPIs??
What is wrong with putting these interrupts in your device tree?
M.
--
Jazz is not dead. It just smells funny...
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