Messages in this thread | | | Subject | Re: isa memory address | From | Antonino Sergi <> | Date | Fri, 12 Nov 2004 18:10:55 +0100 |
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> > I tried but (on 2.4.2): > > - request_region fails but, ignoring it and remapping physical address > > to virtual, everything works fine, except for release_region, of course. > > - request_mem_region works but what I get from communication with the > > actual device are numbers that sometimes are surely wrong. > > As both request_region() and request_mem_region() merely reserve > different resources in Linux structures, you can't get a different > behavior from your device depending on which one you call, if any at all, > unless you change code elsewhere at the same time. >
You were right, there was a wrong symlink that made me compile for 2.4 with headers from 2.2; maybe some different macro substitution lead to an actual different code. Now it works fine, with 2.6 too.
Thank you
Antonino Sergi
> Maciej
Antonino Sergi <Antonino.Sergi@Roma1.INFN.it>
Radiodating Laboratory Physics Department University of Rome "La Sapienza" P.le Aldo Moro 2 00185 Rome Italy Tel +390649914206 Fax +390649914208
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