From 136718a3d91bb392de8bc04d9fd59d86b4f460c0 Mon Sep 17 00:00:00 2001 From: Mathias Kresin Date: Sat, 25 Mar 2017 12:18:56 +0100 Subject: kernel: update MIPS pci fix to the accepted version Fix the list order instead of adjusting the controller scan order. Revert the former required changes to the lantiq PCIe driver. Signed-off-by: Mathias Kresin --- ...add-controllers-before-the-specified-head.patch | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 target/linux/generic/patches-4.9/170-MIPS-PCI-add-controllers-before-the-specified-head.patch (limited to 'target/linux/generic/patches-4.9/170-MIPS-PCI-add-controllers-before-the-specified-head.patch') diff --git a/target/linux/generic/patches-4.9/170-MIPS-PCI-add-controllers-before-the-specified-head.patch b/target/linux/generic/patches-4.9/170-MIPS-PCI-add-controllers-before-the-specified-head.patch new file mode 100644 index 0000000..b6db663 --- /dev/null +++ b/target/linux/generic/patches-4.9/170-MIPS-PCI-add-controllers-before-the-specified-head.patch @@ -0,0 +1,31 @@ +From: Mathias Kresin +Date: Sun, 26 Mar 2017 19:05:36 +0200 +Subject: MIPS: PCI: add controllers before the specified head + +With commit 23dac14d058f ("MIPS: PCI: Use struct list_head lists") new +controllers are added after the specified head where they were added +before the specified head previously. + +Use list_add_tail to restore the former order. + +This patches fixes the following PCI error on lantiq: + + pci 0000:01:00.0: BAR 0: error updating (0x1c000004 != 0x000000) + +Fixes: 23dac14d058f ("MIPS: PCI: Use struct list_head lists") +Signed-off-by: Mathias Kresin +--- + arch/mips/pci/pci-legacy.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/arch/mips/pci/pci-legacy.c ++++ b/arch/mips/pci/pci-legacy.c +@@ -190,7 +190,7 @@ void register_pci_controller(struct pci_ + } + + INIT_LIST_HEAD(&hose->list); +- list_add(&hose->list, &controllers); ++ list_add_tail(&hose->list, &controllers); + + /* + * Do not panic here but later - this might happen before console init. -- cgit v1.1