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    Subject[patch V3 02/35] x86/pci/XEN: Use PCI device property
    Date
    From: Thomas Gleixner <tglx@linutronix.de>

    instead of fiddling with MSI descriptors.

    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Cc: Juergen Gross <jgross@suse.com>
    Cc: xen-devel@lists.xenproject.org
    ---
    V3: Use pci_dev->msix_enabled.
    ---
    arch/x86/pci/xen.c | 9 ++-------
    1 file changed, 2 insertions(+), 7 deletions(-)

    --- a/arch/x86/pci/xen.c
    +++ b/arch/x86/pci/xen.c
    @@ -399,9 +399,7 @@ static void xen_teardown_msi_irqs(struct

    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(str
    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);
    }
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