Re: [PATCH] arm64: dts: rockchip: Fix SD card controller probe on Pinephone Pro

[Tom Fitzhenry]

On 5/9/22 09:36, Ondrej Jirman wrote:
> Voltage constraints on vccio_sd are invalid. They don't match the voltages
> that LDO9 can generate, and this causes rk808-regulator driver to fail
> to probe with -EINVAL when it tries to apply the constraints during boot.

On most boots, the SD card probe succeeds, and is able to be mounted.

On some boots, however, I observe this bug with error message:

vccio_sd: failed to apply 3150000-3150000uV constraint: -EINVAL

> Fix the constraints to something that LDO9 can be actually configured for.
>
> Fixes: 78a21c7d5952 ("arm64: dts: rockchip: Add initial support for Pine64 PinePhone Pro")
> Signed-off-by: Ondrej Jirman <megi@xxxxxx>

Reviewed-by: Tom Fitzhenry <tom@xxxxxxxxxxxxxxxxxxx>
Tested-by: Tom Fitzhenry <tom@xxxxxxxxxxxxxxxxxxx>