From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH V2 3/5] PCI: xilinx: Modifying AXI PCIe Host Bridge driver to work on both Zynq and Microblaze Date: Wed, 27 Jan 2016 16:14:32 +0100 Message-ID: <5255218.OREPu5Af3W@wuerfel> References: <1452620173-4905-1-git-send-email-bharatku@xilinx.com> <4734542.KZZp0TeeeM@wuerfel> <8520D5D51A55D047800579B09414719825873DA8@XAP-PVEXMBX01.xlnx.xilinx.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7Bit Return-path: In-Reply-To: <8520D5D51A55D047800579B09414719825873DA8@XAP-PVEXMBX01.xlnx.xilinx.com> Sender: linux-kernel-owner@vger.kernel.org To: Bharat Kumar Gogada Cc: "bhelgaas@google.com" , Michal Simek , "lorenzo.pieralisi@arm.com" , "paul.burton@imgtec.com" , "yinghai@kernel.org" , "wangyijing@huawei.com" , "robh@kernel.org" , "russell.joyce@york.ac.uk" , Soren Brinkmann , "jiang.liu@linux.intel.com" , "pawel.moll@arm.com" , "mark.rutland@arm.com" , "ijc+devicetree@hellion.org.uk" , "galak@codeaurora.org" , "devicetree@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , linux-p List-Id: devicetree@vger.kernel.org On Wednesday 27 January 2016 14:33:45 Bharat Kumar Gogada wrote: > > > @@ -705,7 +715,9 @@ static int xilinx_pcie_probe(struct > > > platform_device *pdev) #endif > > > pci_scan_child_bus(bus); > > > pci_assign_unassigned_bus_resources(bus); > > > +#ifdef CONFIG_ARM > > > pci_fixup_irqs(pci_common_swizzle, of_irq_parse_and_map_pci); > > > +#endif > > > pci_bus_add_devices(bus); > > > platform_set_drvdata(pdev, port); > > > > Here it looks like microblaze gets it right. I'm not sure why we still need the > > pci_fixup_irqs() on ARM, but my feeling is that this should be fixed in > > common code. > In arm pci_fixup_irqs is called by pci_common_init_dev (arch/arm/kernel/bios32.c), since this API is removed now, I was calling it separately. But who calls it in microblaze? If it works without the extra call there, can we make it work the same way for ARM? Arnd