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@arri.de Tested (not extensively) on Vybrid VF500 (Toradex VF50): Tested-by: Krzysztof Kozlowski krzk@kernel.org Acked-by: Oleksij Rempel o.rempel@pengutronix.de Cc: stable@vger.kernel.org
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