On Wed, Mar 09, 2005 at 04:45:09PM +1100, Benjamin Herrenschmidt wrote: > On Wed, 2005-03-09 at 00:16 +0100, Dominik Brodowski wrote: > > > Dominik Brodowski <[EMAIL PROTECTED]> wrote: > > > > > > > > Most pcmcia devices are matched to drivers using "product ID strings" > > > > embedded in the devices' Card Information Structures, as "manufactor > > > > ID / > > > > card ID" matches are much less reliable. Unfortunately, these strings > > > > cannot > > > > be passed to userspace for easy userspace-based loading of appropriate > > > > modules (MODNAME -- hotplug), so my suggestion is to also store crc32 > > > > hashes > > > > of the strings in the MODULE_DEVICE_TABLEs, e.g.: > > > > > > > > PCMCIA_DEVICE_PROD_ID12("LINKSYS", "E-CARD", 0xf7cb0b07, 0x6701da11), > > > > > > What is the difficulty in passing these strings via /sbin/hotplug > > > arguments? > > > > The difficulty is that extracting and evaluating them breaks the wonderful > > bus-independent MODNAME implementation for hotplug suggested by Roman Kagan > > ( http://article.gmane.org/gmane.linux.hotplug.devel/7039 ), and that these > > strings may contain spaces and other "strange" characters. The latter may > > be > > worked around, but the former cannot. /etc/hotplug/pcmcia.agent looks really > > clean because of this MODNAME implementation: > > Same goes with Open Firmware match strings that we are about to pass > down to userspace as well. Hotplug will have to learn to deal with > those.
Hotplug isn't the tricky part. file2alias is. Any idea on how to do that? Dominik - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/