Commit 0bcfade9 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

x86/pci/XEN: Use PCI device property 



instead of fiddling with MSI descriptors.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarJason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20211210221813.311410967@linutronix.de
parent c7ecb95c

arch/x86/pci/xen.c

+2 −7
Original line number Diff line number Diff line
@@ -399,9 +399,7 @@ static void xen_teardown_msi_irqs(struct pci_dev *dev) 


static void xen_pv_teardown_msi_irqs(struct pci_dev *dev)

{

	struct msi_desc *msidesc = first_pci_msi_entry(dev);



	if (msidesc->pci.msi_attrib.is_msix)

	if (dev->msix_enabled)

		xen_pci_frontend_disable_msix(dev);

	else

		xen_pci_frontend_disable_msi(dev);
@@ -417,10 +415,7 @@ static int xen_msi_domain_alloc_irqs(struct irq_domain *domain, 
	if (WARN_ON_ONCE(!dev_is_pci(dev)))

		return -EINVAL;



	if (first_msi_entry(dev)->pci.msi_attrib.is_msix)

		type = PCI_CAP_ID_MSIX;

	else

		type = PCI_CAP_ID_MSI;

	type = to_pci_dev(dev)->msix_enabled ? PCI_CAP_ID_MSIX : PCI_CAP_ID_MSI;



	return xen_msi_ops.setup_msi_irqs(to_pci_dev(dev), nvec, type);

}