Messages in this thread | | | Subject | Re: [PATCH] usb: typec: ucsi: Clear pending after acking connector change | From | Benjamin Berg <> | Date | Tue, 18 May 2021 20:04:14 +0200 |
| |
On Tue, 2021-05-18 at 16:29 +0300, Heikki Krogerus wrote: > On Mon, May 17, 2021 at 02:57:28PM +0200, Benjamin Berg wrote: > > > > [SNIP] > > Unfortunately, I don't feel it'll work. The problem that I was > > seeing > > looked like a race condition in the PPM itself, where the window is > > the > > time between the UCSI_GET_CONNECTOR_STATUS command and the > > subsequent > > ACK. > > For such a firmware level bug in the PPM, we need a way to detect > > the > > race condition when it happens (or get a fix for the firmware). > > OK. Let me know does the patch bring the issue back for you.
So, I just tried the patch, and I can occasionally reproduce the issue where "online" for the ucsi power adapter is stuck at "1" after unplugging with the patch applied.
Benjamin [unhandled content-type:application/pgp-signature] | |