... since INTx is not supported by-spec for virtual functions.
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: linux-pci@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Signed-off-by: KarimAllah Ahmed <karahmed@xxxxxxxxx>
Signed-off-by: Jan H. Schönherr <jschoenh@xxxxxxxxx>
---
drivers/pci/probe.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c
index 65099d0..61002fb 100644
--- a/drivers/pci/probe.c
+++ b/drivers/pci/probe.c
@@ -1232,6 +1232,13 @@ static void pci_read_irq(struct pci_dev *dev)
{
unsigned char irq;
+ /* Virtual functions do not have INTx support */
+ if (dev->is_virtfn) {
+ dev->pin = 0;
+ dev->irq = 0;
+ return;
+ }
+
pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &irq);
dev->pin = irq;
if (irq)
--
2.7.4
