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Commit ccf91e68 authored by David Daney's avatar David Daney Committed by Marc Zyngier
Browse files

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: default avatarMarc Zyngier <marc.zyngier@arm.com>
Signed-off-by: default avatarDavid Daney <david.daney@cavium.com>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent b6eec9b7

drivers/irqchip/irq-gic-v3-its-pci-msi.c

+1 −3
Original line number Diff line number Diff line
@@ -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);