irqchip/gic-v3-its: Make is_v4 use a TYPER copy
authorMarc Zyngier <maz@kernel.org>
Fri, 8 Nov 2019 16:57:58 +0000 (16:57 +0000)
committerMarc Zyngier <maz@kernel.org>
Sun, 10 Nov 2019 18:47:51 +0000 (18:47 +0000)
commit0dd57fed6b46659b2db1156cb9100fbcfef6fe5d
tree86ca52aed64fa52645bb9953b7a14cafc7813206
parent425c09be0f091a3b5940261d9a5d8467d62987e7
irqchip/gic-v3-its: Make is_v4 use a TYPER copy

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