Commit b3f82364 authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

x86/apic/msi: Use PCI device MSI property 



instead of fiddling with MSI descriptors.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Tested-by: default avatarMichael Kelley <mikelley@microsoft.com>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: default avatarJason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20211210221813.372357371@linutronix.de
parent 0bcfade9

arch/x86/kernel/apic/msi.c

+1 −4
Original line number Diff line number Diff line
@@ -160,11 +160,8 @@ static struct irq_chip pci_msi_controller = { 
int pci_msi_prepare(struct irq_domain *domain, struct device *dev, int nvec,

		    msi_alloc_info_t *arg)

{

	struct pci_dev *pdev = to_pci_dev(dev);

	struct msi_desc *desc = first_pci_msi_entry(pdev);



	init_irq_alloc_info(arg, NULL);

	if (desc->pci.msi_attrib.is_msix) {

	if (to_pci_dev(dev)->msix_enabled) {

		arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSIX;

	} else {

		arg->type = X86_IRQ_ALLOC_TYPE_PCI_MSI;