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[PATCH v4 12/19] irqchip: gicv3-its: Register irq domain with NEXUS token

From Marc Zyngier <marc.zyngier@arm.com>
Newsgroups linux.kernel
Subject [PATCH v4 12/19] irqchip: gicv3-its: Register irq domain with NEXUS token
Date 2015-07-15 14:20 +0200
Message-ID <pMtPl-7dE-53@gated-at.bofh.it> (permalink)
References <pMtPj-7dE-5@gated-at.bofh.it>
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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>
---
 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 7c01fe4..3f95826 100644
--- a/drivers/irqchip/irq-gic-v3-its.c
+++ b/drivers/irqchip/irq-gic-v3-its.c
@@ -1407,13 +1407,14 @@ 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_MSI;
 
 		its->msi_chip.domain = its_pci_msi_alloc_domain(node,
 								its->domain);
-- 
2.1.4

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Thread

[PATCH v4 00/19] Per-device MSI domain & platform MSI Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 02/19] PCI: MSI: Register irq domain with specific token Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 11/19] irqchip: gicv3-its: Split PCI/MSI code from the core ITS driver Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 08/19] platform: of: Assign MSI domain to platform device Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 19/19] PCI/MSI: Drop domain field from msi_controller Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 05/19] PCI/MSI: of: Add support for OF-provided msi_domain Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 07/19] PCI/MSI: Let pci_msi_get_domain use struct device's msi_domain Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 03/19] device core: Introduce per-device MSI domain pointer Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 14/19] irqchip: gicv3-its: Make the PCI/MSI code standalone Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 16/19] irqchip: GICv2m: Get rid of struct msi_controller Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 12/19] irqchip: gicv3-its: Register irq domain with NEXUS token Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 13/19] irqchip: gicv3-its: Get rid of struct msi_controller Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 17/19] irqchip: GICv2m: Add platform MSI support Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:20 +0200
  [PATCH v4 10/19] genirq: Add DOMAIN_BUS_NEXUS irqdomain property Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:30 +0200
  [PATCH v4 01/19] genirq: irqdomain: Allow irq domain aliasing Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:30 +0200
  [PATCH v4 06/19] PCI/MSI: of: Allow msi_domain lookup using the host bridge node Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:30 +0200
  [PATCH v4 04/19] PCI/MSI: Add hooks to populate the msi_domain field Marc Zyngier <marc.zyngier@arm.com> - 2015-07-15 14:30 +0200

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