From e4c53c751e5f928ee8d6494981e691f6da8ecd06 Mon Sep 17 00:00:00 2001 From: Mathias Kresin Date: Fri, 10 Mar 2017 22:46:30 +0100 Subject: [PATCH] lantiq: fix pci with kernel 4.9 Commit 23dac14d058f ("MIPS: PCI: Use struct list_head lists") changed the controller list from reverse to straight order. Use the last entry in the controller list to get the fist conroller of the system. Signed-off-by: Mathias Kresin --- .../patches-4.9/0001-MIPS-lantiq-add-pcie-driver.patch | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/target/linux/lantiq/patches-4.9/0001-MIPS-lantiq-add-pcie-driver.patch b/target/linux/lantiq/patches-4.9/0001-MIPS-lantiq-add-pcie-driver.patch index 59d29d838be1..16d3f558bc4c 100644 --- a/target/linux/lantiq/patches-4.9/0001-MIPS-lantiq-add-pcie-driver.patch +++ b/target/linux/lantiq/patches-4.9/0001-MIPS-lantiq-add-pcie-driver.patch @@ -4143,7 +4143,7 @@ Signed-off-by: John Crispin + --- a/arch/mips/pci/pci-legacy.c +++ b/arch/mips/pci/pci-legacy.c -@@ -300,3 +300,30 @@ char *__init pcibios_setup(char *str) +@@ -300,3 +300,31 @@ char *__init pcibios_setup(char *str) return pcibios_plat_setup(str); return str; } @@ -4164,7 +4164,8 @@ Signed-off-by: John Crispin + int bus_nr = 0; + struct pci_controller *hose; + -+ hose = list_first_entry_or_null(&controllers, struct pci_controller, list); ++ if (!list_empty(&controllers)) ++ hose = list_last_entry(&controllers, struct pci_controller, list); + + if (hose != NULL) { + if (hose->bus != NULL) { -- 2.30.2