[patch V3 03/35] x86/apic/msi: Use PCI device MSI property

[Thomas Gleixner <tglx@xxxxxxxxxxxxx>]

From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>

instead of fiddling with MSI descriptors.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
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;