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irqchip/gic: Only set the EOImodeNS bit for the root controller 

EOImode1 is only used for the root controller and hence only the root
controller uses the eoimode1 functions for handling interrupts. However,
if the root controller supports EOImode1, then the EOImodeNS bit will be
set for all GICs, enabling EOImode1. This is not what we want and this
causes interrupts on non-root GICs to only be dropped in priority but
never deactivated. Therefore, only set the EOImodeNS bit for the root
controller.

Acked-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
This commit is contained in:
Jon Hunter 2016-02-09 15:24:57 +00:00 committed by Marc Zyngier
parent 7bf29d3af6
commit 389a00d3ad
1 changed files with 1 additions and 1 deletions
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2
drivers/irqchip/irq-gic.c
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@ -437,7 +437,7 @@ static void gic_cpu_if_up(struct gic_chip_data *gic)
u32 bypass = 0;
u32 mode = 0;
if (static_key_true(&supports_deactivate))
if (gic == &gic_data[0] && static_key_true(&supports_deactivate))
mode = GIC_CPU_CTRL_EOImodeNS;
/*