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[ts-7000] Re: PL2303 usb to rs232 support -- FIX AVAILABLE

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Subject: [ts-7000] Re: PL2303 usb to rs232 support -- FIX AVAILABLE
From: "pikappstrmchaser" <>
Date: Sat, 23 Mar 2013 19:19:28 -0000
How do you compile the file into the kernel?


--- In  "asc135" <> wrote:
>
> --- In  "pickanameanditstakensoihavethis"
> <donotsendmail@> wrote:
> >
> > well just spent 2 days trying to get my gps module to work with the 
> > ts7200 
> >  
> > only to find that when connected the ts7200 crashes about every 10 
> > mins or so  
> >  
> > then quite by chance i descovered this comment on the gpsd page  
> >  
> > PL2303: support is broken in late 2.4 Linux kernels (it broke after 
> > 2.4.18) but good in 2.6.8 and later. 
> >  
> > so look like i will have to scrap the gps module now  
> > unless theres a fix (that another day of seraching still has not 
> > found)
> >
> 
> Good news:  A solution has been found.
> 
> I have been trying for over a month to piece together the puzzle of
> why the 2.4 kernel cannot reliably run pl2303 based USB to serial
> converters even though there were numerous patches, fixes, and updates
> applied since 2.4.18.  It turns out there was one (seemingly minor)
> patch that was missed when the "working" 2.6.x driver was back ported
> to the 2.4.x release.  But that was the magic bullet.
> 
> After applying the fix to the 2.4.26-tS11 kernel source all of my
> pl2303 devices work correctly now for both transmit and receive. 
> Previously I could receive but not transmit without losing 95% of the
> characters.
> 
> I have type '1' and type 'HX' chip devices and both function correctly
> now under Debian on a TS-7260.  I need to do some testing to see if it
> will work under TS-Linux but see no reason why it shouldn't.  I will
> be uploading the working pl2303.c file to this forum's file area after
> some more testing.
> 
> Regards,
> Amardeep
>




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