irqchip/gic-v3: Add GICv4.1 VPEID size discovery

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While GICv4.0 mandates 16 bit worth of VPEIDs, GICv4.1 allows smaller
implementations to be built. Add the required glue to dynamically
compute the limit.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191224111055.11836-3-maz@kernel.org

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Marc Zyngier 2019-12-24 11:10:25 +00:00

parent b25319d279

commit f2d834092e

3 changed files with 18 additions and 1 deletions

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11

drivers/irqchip/irq-gic-v3-its.c

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3

drivers/irqchip/irq-gic-v3.c

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5

include/linux/irqchip/arm-gic-v3.h

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