Thanks again, I found this on modalias http://wiki.archlinux.org/index.php/ModaliasPrimer Yes, that is more simpler than the map file. But one question, why the map files are still at /lib/modules/`uname -r`/ , is there any particular reason for that ? On Sat, Jul 4, 2009 at 2:55 AM, Kay Sievers<kay.sievers@xxxxxxxx> wrote: > On Fri, Jul 3, 2009 at 23:12, unni krishnan<unnikrishnan.a@xxxxxxxxx> wrote: >> I am not able to understand how it is getting the following variables : >> >> ----------------------------- >> IFS=/ >> set $PRODUCT '' >> usb_idVendor=$1 >> usb_idProduct=$2 >> IFS="$DEFAULT_IFS" >> ----------------------------- > > I don't think the kernel will give you that. Only $1 is the subsystem, > the rest in in variables. > >> Also I am not able to understand usb_map_modules function in that. >> >> I know I am wasting your time. But for me its better to start from >> simple things. That will help me to understand the current more >> complex udev, I believe so. If there anyone out there can give an >> algorithm or something for that script then that will help me. I am >> just attaching the script, eventhogh you can explain it without >> reading it :-) . > > All the map stuff is gone, and actually, the kernel supplied modalias > which we use today is different, does not base on any of the maps, is > simpler und much easier to understand. > > Kay > -- --------------------- With regards, Unni "A candle loses nothing by lighting another candle" -- To unsubscribe from this list: send the line "unsubscribe linux-hotplug" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
