On 6/4/20 5:45 AM, Hayes Wang wrote: > Marek Vasut [mailto:ma...@denx.de] >> Sent: Tuesday, June 02, 2020 7:59 PM > [...] >>>>>> Can you be more specific about the problem you are fixing here ? >>>>>> What is the problem ? >>>>> >>>>> There is low probability that the device may be lost when rebooting. >>>>> Should I submit v2 to reword the commit message? >>>> >>>> Lost how ? >>> >>> USB enumeration may fail. The device would be at wrong state. >>> I don't know detail about the hardware behavior. >> >> Is there any chance you can ask someone ? It would be real helpful to >> know the details of the problem, in case someone runs into it, they >> would know what is going on. > > I get the following information. > > 1. > Our device has auto-installed driver feature - via switch CD-ROM/NIC > mode. But in some corner cases, it would switch to CD-ROM unexpected. > This issue results in Lan Function Disabled. > > 2. > While USB PHY transits to P3 from P0 due to the absent of transmitter > control, it would issues undefined signal to its’ link partner. > Some Down Stream Port misidentify the undefined signal as wakeup > signal. So the link state will not keep in suspend even the system > is idle.
OK, then please add this into the commit message and send a V2, I'll pick it then. Thanks!
