Re: [PATCH] ARM: mach-shmobile: tidyup: sound card detection order

[Simon Horman <horms@verge.net.au>]

On Tue, May 29, 2012 at 04:04:58PM +0900, Paul Mundt wrote:
> On Tue, May 29, 2012 at 03:46:25PM +0900, Simon Horman wrote:
> > On Mon, May 28, 2012 at 11:38:34PM -0700, Kuninori Morimoto wrote:
> > > Current sound card is using snd-simple-card,
> > > but it requests probe deferral when boot, since the detection
> > > timing of snd-simple-card is earlier than sh.
> > > 
> > > Because of this behavior, if platform has some sound cards,
> > > the postponed probe order was changed
> > > and it breaks ALSA device list order.
> > > 
> > > This patch makes it consistent on mackerel/ap4evb
> > 
> > Hi Morimoto-san,
> > 
> > Is the problem that a previous patch altered the order of the
> > ALSA index of the sound cards? And this patch restores the previous order?
> > 
> > If so, I wonder if this is really necessary as is should
> > be possible to set the index using a module parameter if one
> > is relying on it.
> > 
> One would expect so. What happens if the ALSA drivers are built as
> modules and inserted in random order today? If you require persistent
> assignment then you will have to deal with it either through module
> parameters or udev.

I'm unsure if that was a rhetorical question or not,
but I believe the answer is yes.