From: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
When specify PCI_PROBE_ONLY, the resource parent does not get assigned.
Therefore, pci_enable_resources() return error saying that
"BAR x not claimed".
Note: This same logic is also used in the arch/arm/kernel/bios32.c
Cc: Liviu Dudau <Liviu.Dudau@xxxxxxx>
Cc: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@xxxxxxx>
---
arch/arm64/kernel/pci.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/arch/arm64/kernel/pci.c b/arch/arm64/kernel/pci.c
index ce5836c..7fd4d2b 100644
--- a/arch/arm64/kernel/pci.c
+++ b/arch/arm64/kernel/pci.c
@@ -68,3 +68,11 @@ void pci_bus_assign_domain_nr(struct pci_bus *bus, struct device *parent)
bus->domain_nr = domain;
}
#endif
+
+int pcibios_enable_device(struct pci_dev *dev, int mask)
+{
+ if (pci_has_flag(PCI_PROBE_ONLY))
+ return 0;
+
+ return pci_enable_resources(dev, mask);
+}
--
1.9.3
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