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49 lines
1.3 KiB
Diff
49 lines
1.3 KiB
Diff
From 9a97cd43f4ef62520a852b5a2348233b0f37455b Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Thu, 4 Apr 2013 20:01:23 +0200
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Subject: [PATCH 2/2] MIPS/PCI: Implement pcibios_get_phb_of_node
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The of_node field of the device assigned to a
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PCI bus is used during scanning of the PCI bus.
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However on MIPS, the of_node field is assigned
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only after the bus has been scanned.
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Implement the architecture specific version of
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'pcibios_get_phb_of_node'. Which ensures that the
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PCI driver core will initialize the of_node field
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before starting the scan.
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Also remove the local assignment of bus->dev.of_node,
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it is not needed after the patch.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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---
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arch/mips/pci/pci.c | 8 +++++++-
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1 file changed, 7 insertions(+), 1 deletion(-)
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--- a/arch/mips/pci/pci.c
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+++ b/arch/mips/pci/pci.c
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@@ -115,7 +115,6 @@ static void pcibios_scanbus(struct pci_c
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pci_bus_assign_resources(bus);
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pci_enable_bridges(bus);
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}
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- bus->dev.of_node = hose->of_node;
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}
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}
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@@ -169,6 +168,13 @@ void pci_load_of_ranges(struct pci_contr
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}
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}
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}
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+
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+struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus)
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+{
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+ struct pci_controller *hose = bus->sysdata;
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+
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+ return of_node_get(hose->of_node);
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+}
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#endif
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static DEFINE_MUTEX(pci_scan_mutex);
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