Commit-ID: ccf91e68a4357e7b65a3f1f13f8af2b767213575
Gitweb: http://git.kernel.org/tip/ccf91e68a4357e7b65a3f1f13f8af2b767213575
Author: David Daney <david.daney@xxxxxxxxxx>
AuthorDate: Thu, 8 Oct 2015 15:10:50 -0700
Committer: Marc Zyngier <marc.zyngier@xxxxxxx>
CommitDate: Fri, 16 Oct 2015 13:07:13 +0100
irqchip/gic-v3-its: Add handling of PCI requester id.
Replace open coded generation PCI/MSI requester id with call to the
new function pci_msi_domain_get_msi_rid() which applies the "msi-map"
to the id value.
Reviewed-by: Marc Zyngier <marc.zyngier@xxxxxxx>
Signed-off-by: David Daney <david.daney@xxxxxxxxxx>
Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx>
---
drivers/irqchip/irq-gic-v3-its-pci-msi.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/irqchip/irq-gic-v3-its-pci-msi.c b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
index 693c2f9..aee60ed 100644
--- a/drivers/irqchip/irq-gic-v3-its-pci-msi.c
+++ b/drivers/irqchip/irq-gic-v3-its-pci-msi.c
@@ -42,7 +42,6 @@ static struct irq_chip its_msi_irq_chip = {
struct its_pci_alias {
struct pci_dev *pdev;
- u32 dev_id;
u32 count;
};
@@ -60,7 +59,6 @@ static int its_get_pci_alias(struct pci_dev *pdev, u16 alias, void *data)
{
struct its_pci_alias *dev_alias = data;
- dev_alias->dev_id = alias;
if (pdev != dev_alias->pdev)
dev_alias->count += its_pci_msi_vec_count(pdev);
@@ -86,7 +84,7 @@ static int its_pci_msi_prepare(struct irq_domain *domain, struct device *dev,
pci_for_each_dma_alias(pdev, its_get_pci_alias, &dev_alias);
/* ITS specific DeviceID, as the core ITS ignores dev. */
- info->scratchpad[0].ul = dev_alias.dev_id;
+ info->scratchpad[0].ul = pci_msi_domain_get_msi_rid(domain, pdev);
return msi_info->ops->msi_prepare(domain->parent,
dev, dev_alias.count, info);
--
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