Messages in this thread | | | Date | Thu, 16 Oct 2008 09:23:39 -0700 | From | Yinghai Lu <> | Subject | Re: [PATCH] Enable console on PCI serial devices |
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Paul Bolle wrote: > On Wed, 2008-10-15 at 14:48 -0600, n0ano@n0ano.com wrote: >> On Wed, Oct 15, 2008 at 11:13:19AM +0200, Paul Bolle wrote: >> As an aside, I would personally be in favor of removing the `earlycon' >> kernel parameter entirely, it seems to be a strict subset of the >> `console' parameter and anyone that wants `earlycon' probably wants >> `console' anyway. Is there a strong argument for keeping that >> parameter that I'm missing? > > The same thing puzzles me too. Note that earlyprintk=serial|ttyS?[...] > also provides a similar feature. > >> earlycon= [KNL] Output early console device and options. >> - uart[8250],io,<addr>[,options] >> - uart[8250],mmio,<addr>[,options] >> + uart[8250],io,<addr>[,options,[clkd]] >> + uart[8250],mmio,<addr>[,options,[clkd]] > > clkd?
earlycon= and conole= share uart[8250]...
the difference console= will start from early console and switch normal console automatically if the ttyS come out with same io/mmio address etc.
YH
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