On 7/05/21 8:24 pm, Joakim Tjernlund wrote: > On Fri, 2021-05-07 at 10:04 +0200, Joakim Tjernlund wrote: >> On Fri, 2021-05-07 at 12:40 +1200, Chris Packham wrote: >>> The i2c controllers on the P2040/P2041 have an erratum where the >>> documented scheme for i2c bus recovery will not work (A-004447). A >>> different mechanism is needed which is documented in the P2040 Chip >>> Errata Rev Q (latest available at the time of writing). >> From what I can tell this Erratum also applies to P1010 Will add for v3. >> Jocke > Reference: https://media.digikey.com/pdf/PCNs/Freescale/P1010CE_RevL.pdf > > Also, I think this series should go to stable. This series builds on changes that have been merged for v5.13. I haven't checked if it applies to stable, I think at least commit 65171b2df15e ("i2c: mpc: Make use of i2c_recover_bus()") would need to come along with it.
