floating serial ports issue fixed

[William Hubbs]

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All,

I replied to John privately, but this was meant to go to the list.

There is a way for speakup to get the port once the serial driver has
seen it, so there is not an issue with speakup or the accessibility
drivers loading after the serial port driver is loaded.  This is also
how speakup gets the port if it is loaded as modules.

Thanks,

William

On Mon, Jul 21, 2008 at 02:56:00AM -0400, John covici wrote:
> If the accessibility drivers are loaded later than the serial drivers,
> how does speakup ever get a port at all since its already taken by the
> drivers?
> 
> on Sunday 07/20/2008 William Hubbs(w.d.hubbs at gmail.com) wrote
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>  > All,
>  > 
>  > as of this message, I made a change to the way speakup installs to
>  > kernels 2.6.25 and lower which should fix the floating serial ports
>  > issue when speakup and the serial driver are built into the kernel.
>  > 
>  > The issue was that when both speakup and the 8250 serial driver were
>  > built in, speakup would initialize first and reserve the serial port for
>  > the synthesizer.  Then, the 8250 driver would initialize and since
>  > speakup would have one port already reserved, the 8250 driver would
>  > renumber the ports with higher numbers to one lower than they would be
>  > if speakup was not running.
>  > 
>  > If you are using speakup installed into the kernel source and not
>  > building as external modules and using a kernel before 2.6.26, you need
>  > to start with a fresh kernel tree before doing the update.
>  > 
>  > For 2.6.26, this should not be an issue, since the accessibility drivers
>  > are loaded later than the serial driver.
>  > 
>  > Thanks,
>  > 
>  > William
>  > 
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> 
> -- 
> Your life is like a penny.  You're going to lose it.  The question is:
> How do
> you spend it?
> 
>          John Covici
>          covici at ccs.covici.com
> _______________________________________________
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> Speakup at braille.uwo.ca
> http://speech.braille.uwo.ca/mailman/listinfo/speakup
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