Re: [RFC PATCH 08/10] mmc: core: improve API to make clear hw_reset from bus_ops is for cards

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On Wed, 6 Apr 2022 at 10:02, Wolfram Sang
<wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote:
>
>
> > > To make it unambiguous that bus_ops->hw_reset() is for cards and not for
> > > controllers, we a) add 'card' to the function name and b) make the
> > > function argument mmc_card instead of mmc_host. All users are converted,
> > > too.
> >
> > Again b) is sufficient in my opinion. All bus_ops are for cards, while
> > host_ops are for hosts.
>
> Okay, this argument I buy right away.
>
> > Also, there may be some corner cases where b) can't be done, like the
> > ->remove() bus_ops for example. In that case, we either have to make
> > more re-structuring of the code of simply live with that there may be
> > some special cases.
>
> With the above argument, I could even imaging to simply drop this patch?
> That keeps 'host' consistently as the default argument? All given that
> 'bus_ops' are for cards anyway.

I have no strong opinion around this.

Perhaps one simply needs to make a patch to convert them (most of
them) to take a "card" as an in-parameter to really see if that
improves the understanding of code.

Kind regards
Uffe



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