Messages in this thread | | | Subject | Re: [PATCH] Stop pmac_zilog from abusing 8250's device numbers. | From | David Woodhouse <> | Date | Wed, 04 Apr 2007 01:19:59 -0400 |
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On Wed, 2007-04-04 at 14:20 +1000, Paul Mackerras wrote: > I never suggested *all* serial ports should be /dev/ttySn, I said that > the built-in ports on the motherboard should be /dev/ttySn.
Why? What's so special about the name 'ttyS'?
> The built-in ports can generally be enumerated early on boot in a > stable order, and they should be assigned the low ttySn numbers, > regardless of what chip is used to implement them.
I don't see why that 'should' be the case. Certainly it _isn't_ the case on most supported platforms -- we have separate device numbers, and names, for most types of ports. There's only one or two drivers which abuse ttySn for anything other than 8250 ports.
-- dwmw2
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