[Bug] usb: dwc2: Add functions to set and clear force mode

Caesar Wang caesar.upstream at gmail.com
Tue Jan 26 18:12:15 PST 2016


Thanks Doug's reply.

Cc: Wulf
在 2016年01月27日 00:05, Doug Anderson 写道:
> Hi,
>
> On Tue, Jan 26, 2016 at 4:02 AM, Caesar Wang <wxt at rock-chips.com> wrote:
>> Hi  John, Felipe
>>
>>
>> I'm no familiar with usb stuff.
>> then I found this patch will break usb working for rk3036 SoCs, maybe more
>> SoCs.
>> Says, U disk can't work on usb host.
>>
>> The failure log:
>>
>>     32.645481] usb usb2-port1: connect-debounce failed
>>
>>
>> Tested by following branch:
>> https://github.com/Caesar-github/rockchip/tree/kylin/next   (kernel:
>> 4.5-rc1)
>>
>> Revert "usb: dwc2: Add functions to set and clear force mode" will work for
>> it.
>>
>>
>> Maybe, someone have some suggestions or ideas?
> Can you check if this series helps you?
>
> http://marc.info/?l=linux-usb&m=145255851516121&w=2

Unluckily, this series patches can't fix it on rk3036 SoCs.
I revert this CL ("usb: dwc2: Add functions to set and clear force 
mode") to work firstly.


> I know USB on mainline was failing pretty badly for me for rk3288
> until I applied those patches, though I didn't debug it further than
> just applying those patches.
>
> -Doug
>
>
>
>
> -- 
> Thanks,
> Caesar



More information about the Linux-rockchip mailing list