CAMUS Benoit wrote: > Hello all, > > > I want to use rtnet with xenomai on a custom board (based on > pxa255 with smc91x ethernet chip). > Was glad to see this chip was supported, but a bit less when i tried to > use it. > > Loading it failed at probing even with the right physical address of the > chip. I'm on the way to solve this refering to standart driver (probably > an ioremap missing). > I saw too that smc_tx and smc_phy_interrupt were commented, that's > surprinsing. > > So as i need a fully fonctionnal driver to test rtnet, i'd like to have > a statement of the driver, from that i'll can try to do what's missing > or correct bugs.
The driver was once hacked for demo purposes to run on a fairly low-end x86 embedded board (DIL/NetPC by SSV) which had a fairly slow I/O interface. For that reasons, a hack like re-enabling IRQs inside the IRQ handler of that device exists. I bet you have a better interface, something like DMA... Well, I would say go wild with an updated version that targets up-to-date hardware. We could then look at both versions, either merge them (maybe via CONFIG-magic) or simply move the old variant into a different file. The problem is anyway that I will likely not be able to dig out the DIL/NetPC and do regression testing. But I don't think there are real users of this driver out there. Jan
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