On Thu, 26 May 2011, Chris Ball wrote:
> Hi Robert,
>
> On Wed, May 25, 2011 at 01:58:13PM -0400, Robert P. J. Day wrote:
> >
> > ever willing to embarrass myself in public, i'm going to ask how to
> > load and invoke the mmc_test driver on my ubuntu laptop, which is
> > currently running my hand-rolled super-recent, 2.6.39+ kernel.
> >
> > i'm following along in the script here:
> >
> > http://www.spinics.net/lists/linux-mmc/msg05835.html
> >
> > and it seems pretty straightforward -- i interpret all of that as that
> > one needs first to find the driver that is currently bound to the
> > device (mmc-block?), unbind it, then bind to the mmc test driver.
> > that seems easy enough except that this loop in the script:
> >
> > ...
> >
> > is clearly looking for the *current* driver but, on my system, there
> > is none. on this laptop, the MMC card slot appears to be managed by
> > the SCSI driver and USB storage, so there is no symlink there; hence,
> > the script fails in the next check:
>
> You don't actually have a drivers/mmc device, then -- a controller
> somewhere is making your SD slot look like a mass storage device, in
> hardware. The drivers/mmc stack is for devices that aren't being
> mediated in this way.
i'd eventually come to that conclusion. i guess it's time to drag
out one of my embedded systems, which will probably behave the way i
was expecting. thanks.
rday
--
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Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
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