src/patches/suse-2.6.27.25/patches.arch/ppc-of-irq-map.patch

   1 Subject: fix IRQ assignment if interrupts property is missing
   2 From: Adhemerval Zanella Neto <azanella@br.ibm.com>
   3 References: 446610 - LTC50006
   4
   5 This patch fix the IRQ assign.
   6 If the code can not get "interrupts" property from PCI OF node,
   7 it falls back to standard OF parsing.
   8
   9 Signed-off-by: Olaf Hering <olh@suse.de>
  10
  11 ---
  12  arch/powerpc/kernel/prom_parse.c |    7 +++++--
  13  1 file changed, 5 insertions(+), 2 deletions(-)
  14
  15 --- a/arch/powerpc/kernel/prom_parse.c
  16 +++ b/arch/powerpc/kernel/prom_parse.c
  17 @@ -250,8 +250,11 @@ int of_irq_map_pci(struct pci_dev *pdev,
  18          * parsing
  19          */
  20         dn = pci_device_to_OF_node(pdev);
  21 -       if (dn)
  22 -               return of_irq_map_one(dn, 0, out_irq);
  23 +       if (dn) {
  24 +               rc = of_irq_map_one(dn, 0, out_irq);
  25 +               if (!rc)
  26 +                       return rc;
  27 +       }
  28
  29         /* Ok, we don't, time to have fun. Let's start by building up an
  30          * interrupt spec.  we assume #interrupt-cells is 1, which is standard