On Thu, Jan 07, 2021 at 12:06:19AM +0900, Vincent Pelletier wrote: > FWIW, I am now getting a "normal" error message now: > [ +1.046688] spidev spi0.0: SPI transfer timed out > [ +0.005210] spi_master spi0: failed to transfer one message from queue > [ +0.922799] spidev spi0.0: SPI transfer timed out > [ +0.012172] spi_master spi0: failed to transfer one message from queue > but it is getting late here and I have not investigated why (my overlay > needs tweaking for 5.11 maybe ?). I wouldn't have thought that would be something in your DT, unless it was previously buggy and some issue has been exposed, but then nothing springs to mind as being potentially relevant either.