diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2015-07-28 14:46:19 +0100 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2015-10-15 16:14:53 +0800 |
| commit | 0b90b0d971fd5ffd77d8975af3f38eebacafff33 (patch) | |
| tree | 1db5868ee4173cd215562a9d536eef539bf398f6 | |
| parent | cacce87c5687ba30ae743fe5096fd888e2996a4c (diff) | |
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>
(cherry picked from commit e55dcd4d8b8b82e4ecef2937c6d1dde7ba82916b)
Signed-off-by: Alex Shi <alex.shi@linaro.org>
| -rw-r--r-- | drivers/irqchip/irq-gic-v3-its.c | 3 |
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 261e4c8fc368..b8fac6b03003 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -1445,13 +1445,14 @@ 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); |