Messages in this thread | ![/](/images/icornerl.gif) | | From | Segher Boessenkool <> | Subject | Re: [LinuxBIOS] #57: libusb host program for PLX NET20DC debug device | Date | Sun, 3 Dec 2006 13:42:07 +0100 |
| |
> you could use io delay, one outb uses roughly 1us iirc.
On LPC, yes -- or 0.5us or something like that. On ISA it's a lot faster, on PCI too -- better do 20 or so outb's to be safe. Or use a *real* timer instead, you'll have to abstract this for portability anyway...
Segher
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| ![\](/images/icornerr.gif) |