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Message-ID: <50EF55B0.7030106@wwwdotorg.org> Date: Thu, 10 Jan 2013 16:58:40 -0700 From: Stephen Warren <swarren@...dotorg.org> To: Thierry Reding <thierry.reding@...onic-design.de> CC: linux-tegra@...r.kernel.org, Grant Likely <grant.likely@...retlab.ca>, Rob Herring <rob.herring@...xeda.com>, Russell King <linux@....linux.org.uk>, Bjorn Helgaas <bhelgaas@...gle.com>, Andrew Murray <andrew.murray@....com>, Jason Gunthorpe <jgunthorpe@...idianresearch.com>, Arnd Bergmann <arnd@...db.de>, Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>, devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-pci@...r.kernel.org Subject: Re: [PATCH 13/14] ARM: tegra: harmony: Initialize PCIe from DT On 01/09/2013 01:43 PM, Thierry Reding wrote: > With the device tree support in place, probe the PCIe controller from > the device tree and remove the corresponding workaround in the board > file. For some reason, the ports on Harmony fail to initialize correctly with this driver, although they do with plain next-20130109: > [ 2.698922] tegra-pcie 80003000.pcie-controller: link 0 down, retrying > [ 2.925722] tegra-pcie 80003000.pcie-controller: link 0 down, retrying > [ 3.155411] tegra-pcie 80003000.pcie-controller: link 0 down, retrying > [ 3.178428] tegra-pcie 80003000.pcie-controller: link 0 down, ignoring > [ 3.199713] tegra-pcie 80003000.pcie-controller: failed to add port pci: -19 ^^^ There's definitely something plugged into this port, and it's enumerated OK with the old driver. > [ 3.433551] tegra-pcie 80003000.pcie-controller: link 1 down, retrying > [ 3.667624] tegra-pcie 80003000.pcie-controller: link 1 down, retrying ... > [ 3.901493] tegra-pcie 80003000.pcie-controller: link 1 down, retrying > [ 3.902589] tegra-pcie 80003000.pcie-controller: link 1 down, ignoring > [ 3.902615] tegra-pcie 80003000.pcie-controller: failed to add port pci: -19 > [ 3.903780] tegra-pcie 80003000.pcie-controller: PCI host bridge to bus 0000:00 > [ 3.903815] pci_bus 0000:00: root bus resource [io 0x82000000-0x8200ffff] > [ 3.903844] pci_bus 0000:00: root bus resource [mem 0xa0000000-0xafffffff] > [ 3.903871] pci_bus 0000:00: root bus resource [mem 0xb0000000-0xbfffffff pref] > [ 3.903901] pci_bus 0000:00: root bus resource [bus 00-ff] -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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