On embedded devices we must not route the interrupts through
the PCI core, if our host-bus is not PCI.
Reported-by: Steve Brown <sbrown@xxxxxxxxxxxx>
Signed-off-by: Michael Buesch <mb@xxxxxxxxx>
---
John, If still possible, please queue for 2.6.26.
Index: wireless-testing/drivers/ssb/driver_pcicore.c
===================================================================
--- wireless-testing.orig/drivers/ssb/driver_pcicore.c 2008-06-10 13:58:23.000000000 +0200
+++ wireless-testing/drivers/ssb/driver_pcicore.c 2008-07-04 23:16:02.000000000 +0200
@@ -537,6 +537,13 @@ int ssb_pcicore_dev_irqvecs_enable(struc
int err = 0;
u32 tmp;
+ if (dev->bus->bustype != SSB_BUSTYPE_PCI) {
+ /* This SSB device is not on a PCI host-bus. So the IRQs are
+ * not routed through the PCI core.
+ * So we must not enable routing through the PCI core. */
+ goto out;
+ }
+
if (!pdev)
goto out;
bus = pdev->bus;
--
Greetings Michael.
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