On Tue, Feb 21, 2023 at 02:05:35AM +0800, hzy wrote: > Some boards might use USB-A female connector for USB ports, however, > the port could be connected to a dual-mode USB controller, making it > also behaves as a peripheral device if male-to-male cable is connected. > > In this case, the dts looks like this: > > &usb0 { > status = "okay"; > dr_mode = "otg"; > usb-role-switch; > role-switch-default-mode = "host"; > }; > > After boot, dwc2_ovr_init() sets GOTGCTL to GOTGCTL_AVALOVAL and call > dwc2_force_mode() with parameter host=false, which causes inconsistent > mode - The hardware is in peripheral mode while the kernel status is > in host mode. > > What we can do now is to call dwc2_drd_role_sw_set() to switch to > device mode, and everything should work just fine now, even switching > back to none(default) mode afterwards. > > Fixes: e14acb876985 ("usb: dwc2: drd: add role-switch-default-node support") > Signed-off-by: hzy <hzyitc@xxxxxxxxxxx> Signed-off-by does not match your "From:" line of your patch :( Please fix up and use the correct name here as our documentation asks for. thanks, greg k-h