target/linux/brcm47xx/patches-2.6.25/630-ssb-fix-irq-init.patch

   1 Subject: [OpenWrt-Devel] [PATCH] ssb-pcicore: Fix IRQ-vector init on embedded devices
   2
   3 On embedded devices we must not route the interrupts through
   4 the PCI core, if our host-bus is not PCI.
   5
   6 Reported-by: Steve Brown <sbrown@cortland.com>
   7 Signed-off-by: Michael Buesch <mb@bu3sch.de>
   8
   9 --- a/drivers/ssb/driver_pcicore.c
  10 +++ b/drivers/ssb/driver_pcicore.c
  11 @@ -519,6 +519,13 @@ int ssb_pcicore_dev_irqvecs_enable(struc
  12         int err = 0;
  13         u32 tmp;
  14
  15 +       if (dev->bus->bustype != SSB_BUSTYPE_PCI) {
  16 +               /* This SSB device is not on a PCI host-bus. So the IRQs are
  17 +                * not routed through the PCI core.
  18 +                * So we must not enable routing through the PCI core. */
  19 +               goto out;
  20 +       }
  21 +
  22         if (!pdev)
  23                 goto out;
  24         bus = pdev->bus;