Messages in this thread | | | Date | Mon, 1 May 2006 22:41:50 +0200 | From | Lennert Buytenhek <> | Subject | Re: IP1000 gigabit nic driver |
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On Mon, May 01, 2006 at 10:38:47PM +0200, Francois Romieu wrote:
> > -/* Minimum number of miliseconds used to toggle MDC clock during > > +/* Minimum number of nanoseconds used to toggle MDC clock during > > * MII/GMII register access. > > */ > > -#define IPG_PC_PHYCTRLWAIT 0x01 > > +#define IPG_PC_PHYCTRLWAIT_NS 200 > > I would have expected a cycle of 400 ns (p.72/77 of the datasheet) > for a 2.5 MHz clock. Why is it cut by a two factor ?
200 ns high + 200 ns low = 400 ns clock period? - 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/
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