Hi, I am running kernel 2.4.21-rc7 and am still having trouble with this
device after reading the original thread [1]. At storage/usb.c:937, the
case for the US_SC_8020 subclass sets max_lun to zero:
case US_SC_8020:
ss->protocol_name = "8020i";
ss->proto_handler = usb_stor_ATAPI_command;
ss->max_lun = 0;
break;
This is probably a good thing for an 8020i burner but it is a bad thing
for the Transcend card reader, which has four actual LUNs (one for each
slot). If I do not comment out the max_lun line above, I can only access
cards in the first slot (the CF slot); if I do comment it out, all four
slots work correctly.
What is the best way to handle this case? Would it make sense to change
the code so that US_FL_SINGLE_LUN is no longer implicit on 8020i-protocol
devices, or would that break a lot of devices that are not listed in
unusual_devs.h?
[1] http://marc.theaimsgroup.com/?l=linux-usb-devel&m=105361084630926&w=2
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