Re: [PATCH] [PNP] 'modalias' sysfs export

[Andrew Morton <akpm@osdl.org>]

Pierre Ossman <drzeus-list@drzeus.cx> wrote:
>
>  Here is a patch for doing multi line modalias for PNP devices. This will
>  break udev, so that needs to be updated first.
> 
>  I had a longer look at the card part and it seems that module aliases
>  cannot be reliably used for it. Not without restructuring the system at
>  least. The possible combinations explode when you notice that the driver
>  ids needs to be just at subset of the card, without any ordering.
> 
>  If I got my calculations right, a PNP card would have to have roughly
>  2^(2n) aliases, where n is the number of device ids. So right now, I
>  lean towards only adding modalias support for the non-card part of the
>  PNP layer.
> 
>  Andrew, do you want a fix for the patch in -mm or can you remove the
>  part of it that modifies drivers/pnp/card.c by yourself?

I assume you mean that the drivers/pnp/card.c patch of
pnp-modalias-sysfs-export.patch needs to be removed and this patch applies
on top of the result.

But I don't want to break udev.