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authorDavid Daney <david.daney@cavium.com>2015-10-08 15:10:50 -0700
committerMarc Zyngier <marc.zyngier@arm.com>2015-10-16 13:07:13 +0100
commitccf91e68a4357e7b65a3f1f13f8af2b767213575 (patch)
tree1b79dd82c8ebbca62f758a87f775d64248f6d509 /drivers/irqchip/irq-gic-v3-its-pci-msi.c
parentb6eec9b717d4dcb39ef024b8a3b619a32468b01e (diff)
downloadlinux-ccf91e68a4357e7b65a3f1f13f8af2b767213575.tar.bz2
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@arm.com> Signed-off-by: David Daney <david.daney@cavium.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip/irq-gic-v3-its-pci-msi.c')
-rw-r--r--drivers/irqchip/irq-gic-v3-its-pci-msi.c4
1 files changed, 1 insertions, 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 693c2f9ae898..aee60ed025dc 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);