Re: [Qemu-devel] [PATCH 1/3] hw/sd/pxa2xx_mmci: convert to SysBusDevice object

[Paolo Bonzini <pbonzini@redhat.com>]

On 07/12/2015 09:50, Markus Armbruster wrote:
> The device is obviously useful.  However, there is dissent on how it
> ought to be modelled.  The modelling is visible at the -device user
> interface.  By making the device available there in 2.5, we commit to
> the current modelling's user interface before we reach consensus on how
> it ought to be modelled.  Options:
> 
> (1) Make device "sdhci-pci" unavailable with -device until we reach
>     consensus.  This is what we normally do.  Trivial patch is on list.
> 
> (2) Mark the properties that belong to the card rather than the
>     controller as experimental until we reach consensus, by prefixing
>     their name with "x-".  Needs a patch.
> 
> (3) Keep it available, commit to the user interface, deal with the
>     consequences if and when they arise.
> 
> I think (1) is the most prudent, but (2) should work, too.  Having dealt
> with consequences of prior modelling mistakes, I dislike 3.

There have been 10 commits in 2 years to sd.c, none of them getting a
step closer to qdev-ification basically.  So there's no interest, which
is basically explained by the fact that quite frankly SDIO is dead.

I don't see any real difference between sdhci-pci and pci-serial.

Paolo