Hi yangyinglu, On Wed, Feb 1, 2023 at 5:25 PM yangyinglu <yangyinglu@xxxxxxxxxxx> wrote: > > Hi Kai-Heng, > > I'm sorry that it took so long to reply. I found other ways to fix this > problem. I don't need to fix this code. Thank you. I actually think this patch is a valid fix, I just want to see more details for better understanding. But it's also good that you found other ways to fix it. Kai-Heng > > > 在 2023/1/11 下午3:04, Kai-Heng Feng 写道: > > Hi yangyinglu, > > > > On Wed, Jan 11, 2023 at 11:32 AM yangyinglu <yangyinglu@xxxxxxxxxxx> wrote: > >> > >> > >> > >> 在 2023/1/11 上午10:33, Kai-Heng Feng 写道: > >>> Hi yangyinglu, > >>> > >>> On Tue, Jan 10, 2023 at 4:20 PM yangyinglu <yangyinglu@xxxxxxxxxxx> wrote: > >>>> > >>>> USB-C storage device not detected on USB 3.0 host when > >>>> plugged in after boot, so need to warm-reset port > >>> > >>> Is it possible to enable USB dyndbg, plug a USB 3.0 device, then paste > >>> the relevant dmesg here? Thanks! > >>> > >>> Kai-Heng > >> > >> hi, > >> After entering the system, directly plug and unplug the USB flash > >> disk. usb control is etron Technology Inc.The log is as follows: > >> [ 10.354484] radeon 0000:04:00.0: vgaarb: changed VGA decodes: > >> olddecodes=io+mem,decodes=none:owns=none > >> [ 10.484794] bridge: filtering via arp/ip/ip6tables is no longer > >> available by default. Update your scripts to load br_netfilter if you > >> need this. > >> [ 10.506968] tun: Universal TUN/TAP device driver, 1.6 > >> [ 10.514128] virbr0: port 1(virbr0-nic) entered blocking state > >> [ 10.519858] virbr0: port 1(virbr0-nic) entered disabled state > >> [ 10.525646] device virbr0-nic entered promiscuous mode > >> [ 10.666536] virbr0: port 1(virbr0-nic) entered blocking state > >> [ 10.672268] virbr0: port 1(virbr0-nic) entered listening state > >> [ 10.748564] virbr0: port 1(virbr0-nic) entered disabled state > >> > >> Loongnix GNU/Linux 20 Release 3 loongson-pc ttyS0 > >> > >> > >> loongson-pc login: [ 147.701011] usb usb4-port1: Cannot enable. Maybe > >> the USB cable is bad? > >> [ 151.793206] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? > >> [ 151.799726] usb usb4-port1: attempt power cycle > >> [ 157.465465] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? > >> [ 161.557649] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? > >> [ 161.564167] usb usb4-port1: unable to enumerate USB device > >> [ 165.641834] usb usb4-port1: Cannot enable. Maybe the USB cable is bad? > > > > Is it possible to enable USB dyndbg by adding kernel parameter > > "usbcore.dyndbg" so we can see the portsc? > > > > Kai-Heng > > > >> > >>> > >>>> > >>>> Signed-off-by: yangyinglu <yangyinglu@xxxxxxxxxxx> > >>>> --- > >>>> drivers/usb/core/hub.c | 2 +- > >>>> 1 file changed, 1 insertion(+), 1 deletion(-) > >>>> > >>>> diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c > >>>> index 77e73fc8d673..bd4496b80c2d 100644 > >>>> --- a/drivers/usb/core/hub.c > >>>> +++ b/drivers/usb/core/hub.c > >>>> @@ -1159,7 +1159,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type) > >>>> } > >>>> > >>>> /* Make sure a warm-reset request is handled by port_event */ > >>>> - if (type == HUB_RESUME && > >>>> + if ((type == HUB_RESUME || type == HUB_INIT2) && > >>>> hub_port_warm_reset_required(hub, port1, portstatus)) > >>>> set_bit(port1, hub->event_bits); > >>>> > >>>> -- > >>>> 2.20.1 > >>>> > >> >
