From mboxrd@z Thu Jan 1 00:00:00 1970 From: Subject: [RFC 3/4] arm64: Do not call enable PCI resources when specify PCI_PROBE_ONLY Date: Sun, 28 Sep 2014 15:53:29 -0500 Message-ID: <1411937610-22125-4-git-send-email-suravee.suthikulpanit@amd.com> References: <1411937610-22125-1-git-send-email-suravee.suthikulpanit@amd.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1411937610-22125-1-git-send-email-suravee.suthikulpanit@amd.com> Sender: linux-kernel-owner@vger.kernel.org To: will.deacon@arm.com, liviu.dudau@arm.com, marc.zyngier@arm.com, mark.rutland@arm.com, catalin.marinas@arm.com, jason@lakedaemon.net, tglx@linutronix.de, robh+dt@kernel.org, bhelgaas@google.com Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-doc@vger.kernel.org, devicetree@vger.kernel.org, Suravee Suthikulpanit , Liviu Dudau List-Id: devicetree@vger.kernel.org From: Suravee Suthikulpanit 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 Cc: Bjorn Helgaas Cc: Will Deacon Cc: Catalin Marinas Signed-off-by: Suravee Suthikulpanit --- 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