linux-kernel - Re: Reference counting of MMC host driver modules

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Message-ID: <49679570.3070403@csr.com>
Date:	Fri, 09 Jan 2009 18:20:32 +0000
From:	David Vrabel <david.vrabel@....com>
To:	Enrik Berkhan <Enrik.Berkhan@...com>
CC:	Pierre Ossman <drzeus-mmc@...eus.cx>, linux-kernel@...r.kernel.org
Subject: Re: Reference counting of MMC host driver modules

Enrik Berkhan wrote:
> Hi,
> 
> 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.

David
-- 
David Vrabel, Senior Software Engineer, Drivers
CSR, Churchill House, Cambridge Business Park,  Tel: +44 (0)1223 692562
Cowley Road, Cambridge, CB4 0WZ                 http://www.csr.com/
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