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-rw-r--r--drivers/pci/msi.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index e6b6b9c67023..337e16ab4a92 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -981,5 +981,15 @@ EXPORT_SYMBOL(pci_msi_enabled);
void pci_msi_init_pci_dev(struct pci_dev *dev)
{
+ int pos;
INIT_LIST_HEAD(&dev->msi_list);
+
+ /* Disable the msi hardware to avoid screaming interrupts
+ * during boot. This is the power on reset default so
+ * usually this should be a noop.
+ */
+ pos = pci_find_capability(dev, PCI_CAP_ID_MSI);
+ if (pos)
+ msi_set_enable(dev, pos, 0);
+ msix_set_enable(dev, 0);
}