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DateFri, 9 Jan 2009 21:00:24 +0100
FromEnrik Berkhan <>
SubjectRe: Reference counting of MMC host driver modules
On Fri, Jan 09, 2009 at 06:20:32PM +0000, David Vrabel wrote:
> Enrik Berkhan wrote:
> > I've noticed recently that the MMC/SD block driver does not reference
> > count the MMC/SD host driver module that it uses via the MMC/SD core
> > layer. Thus, I can rmmod my host driver module while, for example, a
> > partition on a SD card is mounted.
> This is same as removing the card while it's in use.

I don't think so.

Being able to remove the card while it is in use is a bug of the
mechanical interface. Can't be fixed easily.

Being able to remove the module while it is in use is a bug of the
software. Can be fixed.

Enrik


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