On Mon, Jun 16, 2025 at 10:45, Zixun LI <ad...@hifiphile.com> wrote: > On Mon, Jun 16, 2025 at 9:28 AM Mattijs Korpershoek > <mkorpersh...@kernel.org> wrote: >> >> On Mon, Jun 16, 2025 at 09:24, Mattijs Korpershoek <mkorpersh...@kernel.org> >> wrote: >> >> > On Fri, Jun 13, 2025 at 16:45, Zixun LI <ad...@hifiphile.com> wrote: >> > >> >> On Fri, Jun 13, 2025 at 11:22 AM Mattijs Korpershoek >> >> >> >> Hi Mattijs, >> >> >> >> The case was reported in early May and MCHP have also observed the >> >> missing of detach event on host. >> >> >> >> My latest measure shows a differential signal level about +-350mV >> >> between DP&DM lines when >> >> DETACH and PULLD_DIS bits are 1, much lower than the detachment >> >> threshold of 625mV from >> >> USB 2.0 specification Table 7.3. >> >> >> >> From my view the patch can be picked, even on an unaffected family it >> >> won't have side effects. >> >> Unless one day we decide to implement SAM9RL and SAM9G45 errata then >> >> it needs to be retested. >> > >> > Ok, I will apply it. Since it's a bit late in the release cycle, I'll >> > send this out for -next. >> >> Zixun, before applying the patch, I'd like to add the comment I >> suggested in the code [1] as well. >> >> Do you you have any objections on that? >> PLease let me know >> >> [1] https://lore.kernel.org/all/87iklbuddu....@kernel.org/ >> >> > >> > Thanks again for your contribution! >> > >> > Mattijs >> > >> >> >> >> Best Regards, >> >> Zixun > > Hi Mattijs, > > I agree to add the comment to make it more clear.
Great, thanks, I'll apply and do the fixup. > > Best regards, > Zixun