On 9/12/21 10:21 pm, wsa@xxxxxxxxxx wrote: >> we'd hit the 100us timeout in the poll). But I see no evidence of that >> actually happening (and no idea what arbitration lost means w.r.t i2c). > On a bus with multiple masters, it means the other master has won the > arbitration because the address it wants to talk to contains more 0 bits. > >> I don't know that there is a maximum clock stretch time (we certainly >> know there are misbehaving devices that hold SCL low forever). The SMBUS >> protocol adds some timeouts but as far as I know i2c says nothing about >> how long a remote device can hold SCL. > The above is all correct. > > Even with the unclear situation about the 100us, I think this should go > to for-current soon, right? Please and thank you.