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. -- Chris Ball <cjb@xxxxxxxxxx> <http://printf.net/> One Laptop Per Child -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
