Hi, > SPI NOR flash chip may vary, so use safe(lowest) spi-max-frequency. I don't think a fixes tag is needed, because there is no documentation for this. See also (sfc part): https://lore.kernel.org/lkml/d7de2213-8dd2-42ec-9a30-a569ac71be3e@xxxxxxxxx/ > > Fixes: ee219017ddb5 ("arm64: dts: rockchip: Add Radxa ROCK 3C") > Signed-off-by: FUKAUMI Naoki <naoki@xxxxxxxxx> Thanks, Chukun -- 2.25.1