On Mon, Jun 16, 2025 at 9:28 AM Mattijs Korpershoek <[email protected]> wrote: > > On Mon, Jun 16, 2025 at 09:24, Mattijs Korpershoek <[email protected]> > wrote: > > > On Fri, Jun 13, 2025 at 16:45, Zixun LI <[email protected]> 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/[email protected]/ > > > > > Thanks again for your contribution! > > > > Mattijs > > > >> > >> Best Regards, > >> Zixun
Hi Mattijs, I agree to add the comment to make it more clear. Best regards, Zixun

