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irqchip/gic-v2m: acpi: Introducing GICv2m ACPI support

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This patch introduces gicv2m_acpi_init(), which uses information
in MADT GIC MSI frames structure to initialize GICv2m driver.
It also exposes gicv2m_init() function, which simplifies callers
to a single GICv2m init function.

Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Tested-by: Duc Dang <dhdang@apm.com>
Acked-by: Rafael J. Wysocki <rjw@rjwysocki.net>
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Suravee Suthikulpanit
2015-12-10 08:55:30 -08:00
committed by Marc Zyngier
parent 4266ab1a8f
commit 0644b3daca
3 changed files with 116 additions and 3 deletions
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3
include/linux/irqchip/arm-gic.h
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@@ -106,7 +106,8 @@ int gic_cpu_if_down(unsigned int gic_nr);
void gic_init(unsigned int nr, int start,
void __iomem *dist , void __iomem *cpu);
int gicv2m_of_init(struct device_node *node, struct irq_domain *parent);
int gicv2m_init(struct fwnode_handle *parent_handle,
struct irq_domain *parent);
void gic_send_sgi(unsigned int cpu_id, unsigned int irq);
int gic_get_cpu_id(unsigned int cpu);