Re: Re: 82557 driver can drive 82559..?
Donald Becker <[email protected]>
| Newsgroups | gmane.linux.drivers.eepro100.devel |
|---|---|
| Message-ID | <[email protected]> |
On 2 Sep 2002, atul srivastava wrote: > >firmware change in a later chip caused them to take an > >unpredictable (or > >just undocumented) amount of time. > > > > outl(0, ioaddr + SCBPointer); > > inl(ioaddr + SCBPointer); /* Flush to PCI. */ > > udelay(10); /* Bogus, but it avoids the bug. */ ... > my query is that does above behaviour is indicated by > 82559/82559er cards everwhere or it also depends on > which board these cards are inserted in..? I haven't traced the PCI transactions associated with these lines of code. It's very possible that the bug here depends on both the firmware (chip revision) and the specific PCI bus implementation. -- Donald Becker [email protected] Scyld Computing Corporation http://www.scyld.com 410 Severn Ave. Suite 210 Second Generation Beowulf Clusters Annapolis MD 21403 410-990-9993