On Sun, Aug 25, 2019 at 03:03:36PM +0200, Jernej Skrabec wrote:
> Depending on kernel and bootloader configuration, it's possible that
> Realtek ethernet PHY isn't powered on properly. It needs some time
> before it can be used.
>
> Fix that by adding 100ms ramp delay to regulator responsible for
> powering PHY.
>
> Fixes: 94dcfdc77fc5 ("arm64: allwinner: pine64-plus: Enable dwmac-sun8i")
> Suggested-by: Ondrej Jirman <[email protected]>
> Signed-off-by: Jernej Skrabec <[email protected]>How was that delay found? It should at least have a comment explaining why it's there. Thanks! Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com
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