irqchip/gic-v3-its: Make is_v4 use a TYPER copy

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Instead of caching the GICv4 compatibility in a discrete way, cache the
TYPER register instead, which can then be used to implement the same
functionnality. This will get used more extensively in subsequent patches.

Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Zenghui Yu <yuzenghui@huawei.com>
Link: https://lore.kernel.org/r/20191027144234.8395-5-maz@kernel.org
Link: https://lore.kernel.org/r/20191108165805.3071-5-maz@kernel.org

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Marc Zyngier 2019-11-08 16:57:58 +00:00

parent 425c09be0f

commit 0dd57fed6b

1 changed files with 14 additions and 12 deletions

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

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