[PATCH 3/3] arm64: dts: rockchip: change spi-max-frequency for Radxa ROCK 3C

[Chukun Pan]

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@kwiboo.se/

>
> Fixes: ee219017ddb5 ("arm64: dts: rockchip: Add Radxa ROCK 3C")
> Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>

Thanks,
Chukun

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