Às 7:27 PM de 1/20/2017, Bjorn Helgaas escreveu: > On Fri, Jan 20, 2017 at 06:01:26PM +0000, Joao Pinto wrote: >> >> Hello, >> Just to say that the problem was in a commit that was not related with the PCI >> subystem. > > Does that mean you've figured out the problem and we don't need to do > anything? Yes, correct. PCI is fine, it was an ARC related commit that was causing the USB Endpoint to fail initialization. Thanks. > >> Às 8:46 PM de 1/18/2017, Joao Pinto escreveu: >>> Hi, >>> >>> I am testing my 4.80 Root Complex Reference design (PCIe Core 4.80 with iATU >>> Unroll) and I am facing an issue in kernel v4.9. >>> >>> My setup is: >>> ARC Board --- AXI --- HAPS (RC refrence Design) --- Backplane --- USB 3.0 Endpoint >>> >>> If I use 4.9-rc7 the USB Endpoint gets configured correctly, but when using >>> 4.9-rc8 it does not. I have checked and no changes were made to USB between rc7 >>> and rc8, so there's something in the PCI. >>> >>> The PCI initialization log seems with more info in 4.9-rc8, so maybe some >>> operation that causing some confusion in my setup. Could you please give me your >>> opinion? >>> >>> Bellow I added the logs for 4.9-rc7 and 4.9-rc8. Thank you for your help! >>> >>> Joao >>> >>> >>> ***** LOGS for 4.9-rc7: >>> >>> OF: PCI: host bridge /haps_tunnel/pcie@0xdfc00000 ranges: >>> OF: PCI: No bus range found for /haps_tunnel/pcie@0xdfc00000, using [bus 00-ff] >>> OF: PCI: IO 0xde000000..0xde00ffff -> 0x00000000 >>> OF: PCI: MEM 0xd0400000..0xdd3fffff -> 0xd0400000 >>> dw-pcie dfc00000.pcie: link up >>> dw-pcie dfc00000.pcie: PCI host bridge to bus 0000:00 >>> pci_bus 0000:00: root bus resource [bus 00-ff] >>> pci_bus 0000:00: root bus resource [io 0x0000-0xffff] >>> pci_bus 0000:00: root bus resource [mem 0xd0400000-0xdd3fffff] >>> pci 0000:00:00.0: BAR 8: assigned [mem 0xd0400000-0xd04fffff] >>> pci 0000:00:00.0: BAR 6: assigned [mem 0xd0500000-0xd050ffff pref] >>> pci 0000:01:00.0: BAR 0: assigned [mem 0xd0400000-0xd0401fff 64bit] >>> pci 0000:00:00.0: PCI bridge to [bus 01] >>> pci 0000:00:00.0: bridge window [mem 0xd0400000-0xd04fffff] >>> pci 0000:01:00.0: enabling device (0000 -> 0002) >>> (...) >>> xhci_hcd 0000:01:00.0: xHCI Host Controller >>> xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 3 >>> xhci_hcd 0000:01:00.0: hcc params 0x014042cb hci version 0x96 quirks 0x00000004 >>> hub 3-0:1.0: USB hub found >>> hub 3-0:1.0: 2 ports detected >>> xhci_hcd 0000:01:00.0: xHCI Host Controller >>> xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 4 >>> >>> # lspci -v >>> 00:00.0 PCI bridge: Synopsys, Inc. Device eddc (rev 01) (prog-if 00 [Normal decode]) >>> Flags: bus master, fast devsel, latency 0, IRQ 45 >>> Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 >>> Memory behind bridge: d0400000-d04fffff >>> [virtual] Expansion ROM at d0500000 [disabled] [size=64K] >>> Capabilities: [40] Power Management version 3 >>> Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+ >>> Capabilities: [70] Express Root Port (Slot-), MSI 00 >>> Capabilities: [100] Advanced Error Reporting >>> Capabilities: [148] #19 >>> Capabilities: [158] Vendor Specific Information: ID=0002 Rev=4 Len=100 <?> >>> Kernel driver in use: pcieport >>> >>> 01:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev >>> 03) (prog-if 30 [XHCI]) >>> Flags: bus master, fast devsel, latency 0, IRQ 46 >>> Memory at d0400000 (64-bit, non-prefetchable) [size=8K] >>> Capabilities: [50] Power Management version 3 >>> Capabilities: [70] MSI: Enable+ Count=1/8 Maskable- 64bit+ >>> Capabilities: [90] MSI-X: Enable- Count=8 Masked- >>> Capabilities: [a0] Express Endpoint, MSI 00 >>> Capabilities: [100] Advanced Error Reporting >>> Capabilities: [140] Device Serial Number ff-ff-ff-ff-ff-ff-ff-ff >>> Capabilities: [150] Latency Tolerance Reporting >>> Kernel driver in use: xhci_hcd >>> >>> ****** LOGS for 4.9-rc8: >>> >>> OF: PCI: host bridge /haps_tunnel/pcie@0xdfc00000 ranges: >>> OF: PCI: No bus range found for /haps_tunnel/pcie@0xdfc00000, using [bus 00-ff] >>> OF: PCI: IO 0xde000000..0xde00ffff -> 0x00000000 >>> OF: PCI: MEM 0xd0400000..0xdd3fffff -> 0xd0400000 >>> dw-pcie dfc00000.pcie: link up >>> dw-pcie dfc00000.pcie: PCI host bridge to bus 0000:00 >>> pci_bus 0000:00: root bus resource [bus 00-ff] >>> pci_bus 0000:00: root bus resource [io 0x0000-0xffff] >>> pci_bus 0000:00: root bus resource [mem 0xd0400000-0xdd3fffff] >>> pci 0000:00:00.0: [16c3:eddc] type 01 class 0x060400 >>> pci 0000:00:00.0: reg 0x38: [mem 0x00000000-0x0000ffff pref] >>> pci 0000:00:00.0: supports D1 >>> pci 0000:00:00.0: PME# supported from D0 D1 D3hot D3cold >>> pci 0000:01:00.0: [1033:0194] type 00 class 0x0c0330 >>> pci 0000:01:00.0: reg 0x10: [mem 0x00000000-0x00001fff 64bit] >>> pci 0000:01:00.0: PME# supported from D0 D3hot >>> pci_bus 0000:01: busn_res: [bus 01-ff] end is updated to 01 >>> pci 0000:00:00.0: BAR 8: assigned [mem 0xd0400000-0xd04fffff] >>> pci 0000:00:00.0: BAR 6: assigned [mem 0xd0500000-0xd050ffff pref] >>> pci 0000:01:00.0: BAR 0: assigned [mem 0xd0400000-0xd0401fff 64bit] >>> pci 0000:00:00.0: PCI bridge to [bus 01] >>> pci 0000:00:00.0: bridge window [mem 0xd0400000-0xd04fffff] >>> aer 0000:00:00.0:pcie002: service driver aer loaded >>> pci 0000:01:00.0: enabling device (0000 -> 0002) >>> (...) >>> xhci_hcd 0000:01:00.0: xHCI Host Controller >>> xhci_hcd 0000:01:00.0: new USB bus registered, assigned bus number 3 >>> xhci_hcd 0000:01:00.0: can't setup: -110 >>> xhci_hcd 0000:01:00.0: USB bus 3 deregistered >>> xhci_hcd 0000:01:00.0: init 0000:01:00.0 fail, -110 >>> xhci_hcd: probe of 0000:01:00.0 failed with error -110 >>> >>> # lspci -v >>> 00:00.0 PCI bridge: Synopsys, Inc. Device eddc (rev 01) (prog-if 00 [Normal decode]) >>> Flags: bus master, fast devsel, latency 0, IRQ 45 >>> Bus: primary=00, secondary=01, subordinate=01, sec-latency=0 >>> Memory behind bridge: d0400000-d04fffff >>> [virtual] Expansion ROM at d0500000 [disabled] [size=64K] >>> Capabilities: [40] Power Management version 3 >>> Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+ >>> Capabilities: [70] Express Root Port (Slot-), MSI 00 >>> Capabilities: [100] Advanced Error Reporting >>> Capabilities: [148] #19 >>> Capabilities: [158] Vendor Specific Information: ID=0002 Rev=4 Len=100 <?> >>> Kernel driver in use: pcieport >>> >>> 01:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev >>> 03) (prog-if 30 [XHCI]) >>> Flags: fast devsel >>> Memory at d0400000 (64-bit, non-prefetchable) [size=8K] >>> Capabilities: [50] Power Management version 3 >>> Capabilities: [70] MSI: Enable- Count=1/8 Maskable- 64bit+ >>> Capabilities: [90] MSI-X: Enable- Count=8 Masked- >>> Capabilities: [a0] Express Endpoint, MSI 00 >>> Capabilities: [100] Advanced Error Reporting >>> Capabilities: [140] Device Serial Number ff-ff-ff-ff-ff-ff-ff-ff >>> Capabilities: [150] Latency Tolerance Reporting >>> >>> >> >> -- >> To unsubscribe from this list: send the line "unsubscribe linux-pci" in >> the body of a message to majordomo@xxxxxxxxxxxxxxx >> More majordomo info at https://urldefense.proofpoint.com/v2/url?u=http-3A__vger.kernel.org_majordomo-2Dinfo.html&d=DwIDAw&c=DPL6_X_6JkXFx7AXWqB0tg&r=s2fO0hii0OGNOv9qQy_HRXy-xAJUD1NNoEcc3io_kx0&m=FscJtPBcOmz2pVs8R6rs_3WdCM2qhVTgSH610SgafbU&s=CvWZsl_GD38RTJgCMI30Yr9EznhC1lUnBMyAJoo0UuQ&e= -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
