[patch V3 03/35] x86/apic/msi: Use PCI device MSI property
From: Thomas Gleixner <hidden>
Date: 2021-12-10 22:20:38
Also in:
dmaengine, linux-iommu, linux-pci, linuxppc-dev, lkml, xen-devel
From: Thomas Gleixner <redacted> instead of fiddling with MSI descriptors. Signed-off-by: Thomas Gleixner <redacted> --- V3: Use pci_dev->msix_enabled - Jason --- arch/x86/kernel/apic/msi.c | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-)
--- a/arch/x86/kernel/apic/msi.c
+++ b/arch/x86/kernel/apic/msi.c@@ -160,11 +160,8 @@ static struct irq_chip pci_msi_controlle 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;
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