From 690066c1f3f3c2046f98e68d7cbb244358471f91 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Tue, 30 Apr 2013 10:44:08 +0000 Subject: linux/3.9: implement pcibios_get_phb_of_node for MIPS Signed-off-by: Gabor Juhos git-svn-id: svn://svn.openwrt.org/openwrt/trunk@36495 3c298f89-4303-0410-b956-a3cf2f4a3e73 --- ...IPS-PCI-Implement-pcibios_get_phb_of_node.patch | 48 ++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 target/linux/generic/patches-3.9/032-MIPS-PCI-Implement-pcibios_get_phb_of_node.patch (limited to 'target/linux/generic/patches-3.9/032-MIPS-PCI-Implement-pcibios_get_phb_of_node.patch') diff --git a/target/linux/generic/patches-3.9/032-MIPS-PCI-Implement-pcibios_get_phb_of_node.patch b/target/linux/generic/patches-3.9/032-MIPS-PCI-Implement-pcibios_get_phb_of_node.patch new file mode 100644 index 0000000000..cd43c27f40 --- /dev/null +++ b/target/linux/generic/patches-3.9/032-MIPS-PCI-Implement-pcibios_get_phb_of_node.patch @@ -0,0 +1,48 @@ +From 9a97cd43f4ef62520a852b5a2348233b0f37455b Mon Sep 17 00:00:00 2001 +From: Gabor Juhos +Date: Thu, 4 Apr 2013 20:01:23 +0200 +Subject: [PATCH 2/2] MIPS/PCI: Implement pcibios_get_phb_of_node + +The of_node field of the device assigned to a +PCI bus is used during scanning of the PCI bus. +However on MIPS, the of_node field is assigned +only after the bus has been scanned. + +Implement the architecture specific version of +'pcibios_get_phb_of_node'. Which ensures that the +PCI driver core will initialize the of_node field +before starting the scan. + +Also remove the local assignment of bus->dev.of_node, +it is not needed after the patch. + +Signed-off-by: Gabor Juhos +Signed-off-by: Bjorn Helgaas +--- + arch/mips/pci/pci.c | 8 +++++++- + 1 file changed, 7 insertions(+), 1 deletion(-) + +--- a/arch/mips/pci/pci.c ++++ b/arch/mips/pci/pci.c +@@ -115,7 +115,6 @@ static void pcibios_scanbus(struct pci_c + pci_bus_assign_resources(bus); + pci_enable_bridges(bus); + } +- bus->dev.of_node = hose->of_node; + } + } + +@@ -169,6 +168,13 @@ void pci_load_of_ranges(struct pci_contr + } + } + } ++ ++struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus) ++{ ++ struct pci_controller *hose = bus->sysdata; ++ ++ return of_node_get(hose->of_node); ++} + #endif + + static DEFINE_MUTEX(pci_scan_mutex); -- cgit v1.2.3