On Wed, Dec 09, 2020 at 10:34:31AM +0100, Christian Eggers wrote: > commit 1de67a3dee7a279ebe4d892b359fe3696938ec15 upstream. > > Arbitration Lost (IAL) can happen after every single byte transfer. If > arbitration is lost, the I2C hardware will autonomously switch from > master mode to slave. If a transfer is not aborted in this state, > consecutive transfers will not be executed by the hardware and will > timeout. > > Signed-off-by: Christian Eggers <ceggers@xxxxxxx> > Tested (not extensively) on Vybrid VF500 (Toradex VF50): > Tested-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > Acked-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > --- > Hi Greg, > > here is the patch for linux-5.4. Please let me know if this doesn't apply to > older kernels. That worked everywhere, thanks. greg k-h