Messages in this thread Patch in this message | | | From | Marc Zyngier <> | Subject | [PATCH 2/3] irqchip/gic-v3-its: Tag ITS device as shared if allocating for a proxy device | Date | Sun, 29 Nov 2020 13:52:07 +0000 |
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The ITS already has some notion of "shared" devices. Let's map the MSI_ALLOC_FLAGS_PROXY_DEVICE flag onto this internal property.
Signed-off-by: Marc Zyngier <maz@kernel.org> --- drivers/irqchip/irq-gic-v3-its.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 0fec31931e11..b99a8ec6585e 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -3488,6 +3488,9 @@ static int its_msi_prepare(struct irq_domain *domain, struct device *dev, goto out; } + if (info->flags & MSI_ALLOC_FLAGS_PROXY_DEVICE) + its_dev->shared = true; + pr_debug("ITT %d entries, %d bits\n", nvec, ilog2(nvec)); out: mutex_unlock(&its->dev_alloc_lock); -- 2.28.0
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