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 <dev@kresin.me>
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1 changed files with 3 additions and 2 deletions
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@ -4143,7 +4143,7 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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+
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--- a/arch/mips/pci/pci-legacy.c
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+++ b/arch/mips/pci/pci-legacy.c
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@@ -300,3 +300,30 @@ char *__init pcibios_setup(char *str)
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@@ -300,3 +300,31 @@ char *__init pcibios_setup(char *str)
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return pcibios_plat_setup(str);
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return str;
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}
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@ -4164,7 +4164,8 @@ Signed-off-by: John Crispin <blogic@openwrt.org>
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+ int bus_nr = 0;
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+ struct pci_controller *hose;
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+
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+ hose = list_first_entry_or_null(&controllers, struct pci_controller, list);
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+ if (!list_empty(&controllers))
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+ hose = list_last_entry(&controllers, struct pci_controller, list);
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+
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+ if (hose != NULL) {
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+ if (hose->bus != NULL) {
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