On 19.8.2021 18.09, Alan Stern wrote: > On Thu, Aug 19, 2021 at 04:18:12PM +0300, Mathias Nyman wrote: >> On 19.8.2021 10.54, Kishon Vijay Abraham I wrote: >>> Hi All, >>> >>> I was trying to test PCIe USB card (Inateck) connected to AM64 EVM and >>> J7200 EVM. Inateck uses Renesas uPD720201 USB3 host controller. >>> >>> So if I connect USB pendrive and then boot the board (cold plug), I >>> don't see the pendrive getting detected. But if I remove and plug it >>> again, it gets detected. >>> >>> For the cold plug case, I see this message >>> "usb usb1-port3: couldn't allocate usb_device" >>> >>> It actually fails in >>> xhci_alloc_dev()->xhci_queue_slot_control()->queue_command()->XHCI_STATE_HALTED >>> >>> I'm not familiar with xhci but it looks like port event is invoked >>> before the controller is fully initialized (?). >> >> Maybe this controller is capable of generating interrupts before it's running? > > Mathias and Kishon: > > Note that this issue has also been reported in Bugzilla: > > https://bugzilla.kernel.org/show_bug.cgi?id=214021 > Thanks, I'll follow up on that one. -Mathias
