The following commit has been merged into the irq/irqchip-next branch of irqchip:
Commit-ID: 5fe71d271df8c05e1060c0184764eba18b17a96f Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/5fe71d271df8c05e1060c0184764eba18b17a96f Author: Marc Zyngier <m...@kernel.org> AuthorDate: Sun, 29 Nov 2020 13:52:07 Committer: Marc Zyngier <m...@kernel.org> CommitterDate: Fri, 11 Dec 2020 14:47:50 irqchip/gic-v3-its: Tag ITS device as shared if allocating for a proxy device 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 <m...@kernel.org> Tested-by: John Garry <john.ga...@huawei.com> Link: https://lore.kernel.org/r/20201129135208.680293-3-...@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 d74ef41..c951ad2 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -3487,6 +3487,9 @@ 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);
