Messages in this thread |  | | Date | Wed, 21 Feb 2007 08:14:14 -0800 | From | "H. Peter Anvin" <> | Subject | Re: [PATCH 1/1] LinuxPPS: Pulse per Second support for Linux |
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Rodolfo Giometti wrote: > > The problem is that sometimes you cannot have a filedescriptor at > all. Think about a PPS source connected with a CPU's GPIO pin. You > have no filedes to use and defining one just for a PPS source or for a > class of PPS sources, I think, is a non sense. >
If you have a kernel driver at all, then it makes perfect sense. If you don't have a kernel driver at all, then it's irrelevant to the linux-kernel discussion.
> RFC simply doesn't consider the fact that you can have a PPS source > __without__ a filedes connected with, and a single filedes is > considered __always__ connected with a single PPS source.
That's the Unix way.
-hpa
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