On 2011-07-20 14:15, Jan Kiszka wrote: > On 2011-07-20 14:00, Isaku Yamahata wrote: >> Hi. This clean up looks good basically. > > Oops, forgot to cc you. Sorry. > >> But when conventional pci device is accessed via MMCONFIG area, >> addr &= addr_mask doesn't work as expected. >> The config area of [256, 4K) of conventional pci should have no effect. > > Mmh, I see. Looks like we need to split accesses at this boundary and > executed them separately.
Nope, no such issue: we already automatically split up accesses that span the legacy/extended boundary. Just like so far, legacy config space handlers have to filter out requests that address regions >= 256. Jan -- Siemens AG, Corporate Technology, CT T DE IT 1 Corporate Competence Center Embedded Linux