target/linux/generic/pending-4.9/170-MIPS-PCI-add-controllers-before-the-specified-head.patch

   1 From: Mathias Kresin <dev@kresin.me>
   2 Subject: MIPS: PCI: add controllers before the specified head
   3
   4 With commit 23dac14d058f ("MIPS: PCI: Use struct list_head lists") new
   5 controllers are added after the specified head where they were added
   6 before the specified head previously.
   7
   8 Use list_add_tail to restore the former order.
   9
  10 This patches fixes the following PCI error on lantiq:
  11
  12   pci 0000:01:00.0: BAR 0: error updating (0x1c000004 != 0x000000)
  13
  14 Fixes: 23dac14d058f ("MIPS: PCI: Use struct list_head lists")
  15 Signed-off-by: Mathias Kresin <dev@kresin.me>
  16 ---
  17  arch/mips/pci/pci-legacy.c | 2 +-
  18  1 file changed, 1 insertion(+), 1 deletion(-)
  19
  20 --- a/arch/mips/pci/pci-legacy.c
  21 +++ b/arch/mips/pci/pci-legacy.c
  22 @@ -190,7 +190,7 @@ void register_pci_controller(struct pci_
  23         }
  24
  25         INIT_LIST_HEAD(&hose->list);
  26 -       list_add(&hose->list, &controllers);
  27 +       list_add_tail(&hose->list, &controllers);
  28
  29         /*
  30          * Do not panic here but later - this might happen before console init.