Re: Linux support for SiLabs CP2102 devices

[Greg KH <greg@kroah.com>]

On Fri, Nov 19, 2004 at 04:22:55PM -0800, Pete Zaitcev wrote:
> On Thu, 18 Nov 2004 09:39:08 -0800, Greg KH <greg@kroah.com> wrote:
> 
> > If people are looking for a good usb to serial chip that is supported on
> > Linux, Windows, and OS-X, there's the PL2303 device from Prolific, and
> > the FTDI-SIO chip, and the MCT-U232 chip.  All of these work very well
> > on Linux, and are fully supported by all distros.  I think they even
> > might be cheaper than the CP2102 device too :)
> 
> The Magic Technology has ignored my requests to provide documentation for
> either Intel or Phillips based version of their kit. The mct_u232 was
> developed by reverse engineering the code, so it's probably not a good
> example.

Ah, didn't realize that.  Actually, the pl2303 driver was reverse
engineered too, with no specs, and now the company referrs people asking
questions about their Linux support to me :)

> Why did you omit Keyspan? I thought they had reasonable policies, if we
> ignore debian-legal issue for the moment.

I was pointing out usb to serial chips that people could put into their
product design.  Keyspan doesn't offer up such a chip, only a complete
solution of a usb to serial converter (from what I can tell.)

thanks,

greg k-h