Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > linux.kernel > #1178764

[PATCH v3 02/15] PCI: MSI: Register irq domain with specific token

Show all headers | View raw

When creating a PCI/MSI domain, tag it with DOMAIN_BUS_PCI_MSI so
that it can be looked-up using irq_find_matching_host().

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
 drivers/pci/msi.c         | 8 +++++++-
 include/linux/irqdomain.h | 1 +
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index f66be86..1e55935 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -1269,12 +1269,18 @@ struct irq_domain *pci_msi_create_irq_domain(struct device_node *node,
 					     struct msi_domain_info *info,
 					     struct irq_domain *parent)
 {
+	struct irq_domain *domain;
+
 	if (info->flags & MSI_FLAG_USE_DEF_DOM_OPS)
 		pci_msi_domain_update_dom_ops(info);
 	if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS)
 		pci_msi_domain_update_chip_ops(info);
 
-	return msi_create_irq_domain(node, info, parent);
+	domain = msi_create_irq_domain(node, info, parent);
+	if (domain)
+		domain->bus_token = DOMAIN_BUS_PCI_MSI;
+
+	return domain;
 }
 
 /**
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index 91a83ad..25e9e66 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -54,6 +54,7 @@ struct irq_data;
  */
 enum irq_domain_bus_token {
 	DOMAIN_BUS_ANY		= 0,
+	DOMAIN_BUS_PCI_MSI,
 };
 
 /**
-- 
2.1.4

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread

Thread

[PATCH v3 00/15] Introducing per-device MSI domain Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:20 +0200
  [PATCH v3 03/15] device core: Introduce per-device MSI domain pointer Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:20 +0200
  [PATCH v3 02/15] PCI: MSI: Register irq domain with specific token Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:20 +0200
  [PATCH v3 08/15] platform: of: Assign MSI domain to platform device Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:20 +0200
  [PATCH v3 04/15] PCI/MSI: Add hooks to populate the msi_domain field Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:20 +0200
  [PATCH v3 01/15] genirq: irqdomain: Allow irq domain aliasing Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:20 +0200
  [PATCH v3 14/15] PCI/MSI: pci-xgene-msi: Get rid of struct msi_controller Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:20 +0200
  [PATCH v3 09/15] irqchip: gicv3-its: Split PCI/MSI code from the core ITS driver Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:30 +0200
  [PATCH v3 11/15] irqchip: GICv2m: Get rid of struct msi_controller Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:30 +0200
  [PATCH v3 13/15] irqchip: gicv3-its: Make the PCI/MSI code standalone Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:30 +0200
  [PATCH v3 05/15] PCI/MSI: of: Add support for OF-provided msi_domain Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:30 +0200
  [PATCH v3 07/15] PCI/MSI: Let pci_msi_get_domain use struct device's msi_domain Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:30 +0200
  [PATCH v3 06/15] PCI/MSI: of: Allow msi_domain lookup using the host bridge node Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:30 +0200
  [PATCH v3 10/15] irqchip: gicv3-its: Register irq domain with platform MSI token Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:30 +0200
  [PATCH v3 12/15] irqchip: gicv3-its: Get rid of struct msi_controller Marc Zyngier <marc.zyngier@arm.com> - 2015-07-07 19:30 +0200

csiph-web