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Subject[RFCv2 PATCH 5/8] arm64: Adding arch-specific acpi_init_irq_alloc_info
Date
This patch addes ARM64-specific hook for calling arch-specific
irq_domain_ops.ini_alloc_info() before allocating irqs.

Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
---
arch/arm64/kernel/acpi.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/arch/arm64/kernel/acpi.c b/arch/arm64/kernel/acpi.c
index d6463bb..f3709dc 100644
--- a/arch/arm64/kernel/acpi.c
+++ b/arch/arm64/kernel/acpi.c
@@ -20,6 +20,7 @@
#include <linux/cpumask.h>
#include <linux/init.h>
#include <linux/irq.h>
+#include <linux/irqchip/arm-gic.h>
#include <linux/irqdomain.h>
#include <linux/memblock.h>
#include <linux/of_fdt.h>
@@ -205,3 +206,15 @@ void __init acpi_boot_table_init(void)
disable_acpi();
}
}
+
+int acpi_init_irq_alloc_info(struct irq_domain *domain, u32 gsi, unsigned int irq_type,
+ void **info)
+{
+ int ret;
+ uint32_t data[3] = {GIC_INT_TYPE_GSI, gsi, irq_type};
+
+ if (domain && domain->ops->init_alloc_info)
+ ret = domain->ops->init_alloc_info(data, 3, NULL, info);
+
+ return 0;
+}
--
2.1.0


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