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[14/20] Irqchip / gic: Set as default domain so we can access from ACPI

Message ID 1389961514-13562-15-git-send-email-hanjun.guo@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Hanjun Guo Jan. 17, 2014, 12:25 p.m. UTC 
Only one GIC is supported in ACPI 5.0, even cascade GIC is not supported.

So if we set the GIC as the default domain then we can access it for IRQ
mapping within the ACPI code.

Signed-off-by: Graeme Gregory <graeme.gregory@linaro.org>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
---
 drivers/irqchip/irq-gic.c |    7 +++++++
 1 file changed, 7 insertions(+)
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Patch

diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c
index 341c601..40fde7b 100644
--- a/drivers/irqchip/irq-gic.c
+++ b/drivers/irqchip/irq-gic.c
@@ -963,6 +963,13 @@  void __init gic_init_bases(unsigned int gic_nr, int irq_start,
 		register_cpu_notifier(&gic_cpu_notifier);
 #endif
 		set_handle_irq(gic_handle_irq);
+
+		/*
+		 * do not set default host for GIC domain multi-times.
+		 * FIXME: This probably needs revisited when multi GICs
+		 * supported
+		 */
+		irq_set_default_host(gic->domain);
 	}
 
 	gic_chip.flags |= gic_arch_extn.flags;