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authorMarc Zyngier <marc.zyngier@arm.com>2015-07-28 14:46:19 +0100
committerThomas Gleixner <tglx@linutronix.de>2015-07-30 00:14:38 +0200
commite55dcd4d8b8b82e4ecef2937c6d1dde7ba82916b (patch)
tree322fed1148a4eada165ff8040af977a72e0f150d /drivers/irqchip
parentf130420e51df30891b55efcef24f5358b2fc2b97 (diff)
downloadblackbird-op-linux-e55dcd4d8b8b82e4ecef2937c6d1dde7ba82916b.tar.gz
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irqchip/gicv3-its: Register irq domain with NEXUS token
Now that we can distinguish between multiple domains carrying the same device_node, tag the raw ITS domain with DOMAIN_BUS_NEXUS. This will allow MSI providers built on top of the raw ITS domain to identify it. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Cc: <linux-arm-kernel@lists.infradead.org> Cc: Yijing Wang <wangyijing@huawei.com> Cc: Ma Jun <majun258@huawei.com> Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Cc: Duc Dang <dhdang@apm.com> Cc: Hanjun Guo <hanjun.guo@linaro.org> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Jason Cooper <jason@lakedaemon.net> Link: http://lkml.kernel.org/r/1438091186-10244-13-git-send-email-marc.zyngier@arm.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-gic-v3-its.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 7f995d876029..58dc70e72c45 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1444,13 +1444,14 @@ static int its_probe(struct device_node *node, struct irq_domain *parent)
writel_relaxed(GITS_CTLR_ENABLE, its->base + GITS_CTLR);
if (of_property_read_bool(its->msi_chip.of_node, "msi-controller")) {
- its->domain = irq_domain_add_tree(NULL, &its_domain_ops, its);
+ its->domain = irq_domain_add_tree(node, &its_domain_ops, its);
if (!its->domain) {
err = -ENOMEM;
goto out_free_tables;
}
its->domain->parent = parent;
+ its->domain->bus_token = DOMAIN_BUS_NEXUS;
its->msi_chip.domain = its_pci_msi_alloc_domain(node,
its->domain);
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