Commit-ID: e55dcd4d8b8b82e4ecef2937c6d1dde7ba82916b
Gitweb: http://git.kernel.org/tip/e55dcd4d8b8b82e4ecef2937c6d1dde7ba82916b
Author: Marc Zyngier <marc.zyngier@xxxxxxx>
AuthorDate: Tue, 28 Jul 2015 14:46:19 +0100
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Thu, 30 Jul 2015 00:14:38 +0200
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@xxxxxxx>
Cc: <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>
Cc: Yijing Wang <wangyijing@xxxxxxxxxx>
Cc: Ma Jun <majun258@xxxxxxxxxx>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
Cc: Duc Dang <dhdang@xxxxxxx>
Cc: Hanjun Guo <hanjun.guo@xxxxxxxxxx>
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx>
Cc: Jason Cooper <jason@xxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1438091186-10244-13-git-send-email-marc.zyngier@xxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
drivers/irqchip/irq-gic-v3-its.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
index 7f995d8..58dc70e 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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