[PATCH 1/3] mmc: Convert hs400_tuning flag from u8 to bool

[Paul Barker]

On 20/02/2024 08:37, Marek Vasut wrote:
> This hs400_tuning is a flag, make it bool. No functional change.
> This will be useful in the following patch, which adds another
> more generic flag, where the compiler can better use the space
> now reserved for the u8 to store more flags in it.

The minimum size for a bool is one byte so there likely won't be any
improvement in struct size from using bool instead of u8 for
`hs400_tuning` here and `tuning` added in the next patch. I still think
it's a good change to make though, bool is the right type for an on/off
flag.

So I think the commit message needs a little clarification. Other than
that,

Reviewed-by: Paul Barker <paul.barker.ct at bp.renesas.com>
Tested-by: Paul Barker <paul.barker.ct at bp.renesas.com>
  (tested on RZ/G2L with commit ad50a8151387 from
  https://source.denx.de/u-boot/custodians/u-boot-sh)

Thanks,

-- 
Paul Barker
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