Hi, On 25/08/21 4:21 pm, Kishon Vijay Abraham I wrote: > Set "HCD_FLAG_DEFER_PRI_RH_REGISTER" to hcd->flags in xhci_run() to defer > registering primary roothub in usb_add_hcd(). This will make sure both > primary roothub and secondary roothub will be registered along with the > second HCD. This is required for cold plugged USB devices to be detected > in certain PCIe USB cards (like Inateck USB card connected to AM64 EVM > or J7200 EVM). > > Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx> > Suggested-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx> > --- > drivers/usb/host/xhci.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c > index 3618070eba78..9b7d968022c8 100644 > --- a/drivers/usb/host/xhci.c > +++ b/drivers/usb/host/xhci.c > @@ -644,7 +644,6 @@ int xhci_run(struct usb_hcd *hcd) > /* Start the xHCI host controller running only after the USB 2.0 roothub > * is setup. > */ > - I just realized I've left a spurious space here. While fixing Alan's comment, I'll fix this one. Regards, Kishon > hcd->uses_new_polling = 1; > if (!usb_hcd_is_primary_hcd(hcd)) > return xhci_run_finished(xhci); > @@ -692,6 +691,7 @@ int xhci_run(struct usb_hcd *hcd) > if (ret) > xhci_free_command(xhci, command); > } > + set_bit(HCD_FLAG_DEFER_PRI_RH_REGISTER, &hcd->flags); > xhci_dbg_trace(xhci, trace_xhci_dbg_init, > "Finished xhci_run for USB2 roothub"); > >
