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irqchip/gic-v3-its: Add handling of PCI requester id.

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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>
This commit is contained in:
David Daney 2015-10-08 15:10:50 -07:00 committed by Marc Zyngier
parent b6eec9b717
commit ccf91e68a4
1 changed files with 1 additions and 3 deletions
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4
drivers/irqchip/irq-gic-v3-its-pci-msi.c
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@ -42,7 +42,6 @@ static struct irq_chip its_msi_irq_chip = {
struct its_pci_alias { struct its_pci_alias {
struct pci_dev *pdev; struct pci_dev *pdev;
u32 dev_id;
u32 count; 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; struct its_pci_alias *dev_alias = data;
dev_alias->dev_id = alias;
if (pdev != dev_alias->pdev) if (pdev != dev_alias->pdev)
dev_alias->count += its_pci_msi_vec_count(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); pci_for_each_dma_alias(pdev, its_get_pci_alias, &dev_alias);
/* ITS specific DeviceID, as the core ITS ignores dev. */ /* 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, return msi_info->ops->msi_prepare(domain->parent,
dev, dev_alias.count, info); dev, dev_alias.count, info);