Hi, Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx> writes: > Hello, > > I'm trying to upstream Designware USB3 host driver present in the Actions > Semi S900 SoC. It can successfully detect the USB hub but when any of the > USB device got plugged in, it fails with following error: > > [ 4.365566] usb usb1-port1: connect-debounce failed > > Full log can be found here: https://pastebin.ubuntu.com/p/PNff5fZkn6/ > > Below is the output of, lsusb -v: > > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > Device Descriptor: > bLength 18 > bDescriptorType 1 > bcdUSB 3.00 > bDeviceClass 9 Hub > bDeviceSubClass 0 Unused > bDeviceProtocol 3 > bMaxPacketSize0 9 > idVendor 0x1d6b Linux Foundation > idProduct 0x0003 3.0 root hub > bcdDevice 5.02 > iManufacturer 3 Linux 5.2.0-rc3-00032-gbd970cfc7a82-dirty xhci-hcd > iProduct 2 xHCI Host Controller > iSerial 1 xhci-hcd.0.auto > bNumConfigurations 1 > Configuration Descriptor: > bLength 9 > bDescriptorType 2 > wTotalLength 31 > bNumInterfaces 1 > bConfigurationValue 1 > iConfiguration 0 > bmAttributes 0xe0 > Self Powered > Remote Wakeup > MaxPower 0mA > Interface Descriptor: > bLength 9 > bDescriptorType 4 > bInterfaceNumber 0 > bAlternateSetting 0 > bNumEndpoints 1 > bInterfaceClass 9 Hub > bInterfaceSubClass 0 Unused > bInterfaceProtocol 0 Full speed (or root) hub > iInterface 0 > Endpoint Descriptor: > bLength 7 > bDescriptorType 5 > bEndpointAddress 0x81 EP 1 IN > bmAttributes 3 > Transfer Type Interrupt > Synch Type None > Usage Type Data > wMaxPacketSize 0x0004 1x 4 bytes > bInterval 12 > bMaxBurst 0 > Hub Descriptor: > bLength 12 > bDescriptorType 42 > nNbrPorts 1 > wHubCharacteristic 0x000a > No power switching (usb 1.0) > Per-port overcurrent protection > bPwrOn2PwrGood 10 * 2 milli seconds > bHubContrCurrent 0 milli Ampere > bHubDecLat 0.0 micro seconds > wHubDelay 0 nano seconds > DeviceRemovable 0x00 > Hub Port Status: > Port 1: 0000.02a0 5Gbps power Rx.Detect > Binary Object Store Descriptor: > bLength 5 > bDescriptorType 15 > wTotalLength 15 > bNumDeviceCaps 1 > SuperSpeed USB Device Capability: > bLength 10 > bDescriptorType 16 > bDevCapabilityType 3 > bmAttributes 0x02 > Latency Tolerance Messages (LTM) Supported > wSpeedsSupported 0x0008 > Device can operate at SuperSpeed (5Gbps) > bFunctionalitySupport 3 > Lowest fully-functional device speed is SuperSpeed (5Gbps) > bU1DevExitLat 0 micro seconds > bU2DevExitLat 0 micro seconds > Device Status: 0x0001 > Self Powered > > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > Devicetree snippet: > > usbdrd3_0: usb@e0400000 { > compatible = "actions,s900-dwc3"; > clocks = <&cmu CLK_USB3_480MPLL0>, > <&cmu CLK_USB3_480MPHY0>, > <&cmu CLK_USB3_5GPHY>, > <&cmu CLK_USB3_CCE>, > <&cmu CLK_USB3_MAC>; > clock-names = "usb3_480mpll0", "usb3_480mphy0", > "usb3_5gphy", "usb3_cce", > "usb3_mac"; > resets = <&cmu RESET_USB3>; > reset-names = "usb3"; > power-domains = <&sps S900_PD_USB3>; > #address-cells = <2>; > #size-cells = <2>; > ranges; > > usbdrd_dwc3_0: dwc3 { > compatible = "snps,dwc3"; > reg = <0x0 0xe0400000 0x0 0x100000>; > interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>; > usb-phy = <&usb2_phy>, <&usb3_phy>; > dr_mode = "host"; > power-domains = <&sps S900_PD_USB3>; > snps,hsphy_interface = "utmi"; > }; > }; > > After going through the mailing list looking for similar issue, found that > some host controllers works with following quirk: > > snps,dis_u3_susphy_quirk; > > I tried that also but it didn't work. Can anyone shed some light on this? > > PS: USB3 is working fine with vendor kernel 3.10. Check what's different between mainline and your v3.10 code. Specially look for changes in xhci and usbcore. Good luck -- balbi
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