linux-kernel - Re: Regarding USB-to-serial device driver

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Date:	Tue, 28 Sep 2010 05:07:43 -0700
From:	Greg KH <gregkh@...e.de>
To:	Raju Rameshwar Uprade <rajsingh@...a.tifr.res.in>
Cc:	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: Regarding USB-to-serial device driver

On Tue, Sep 28, 2010 at 05:26:35PM +0530, Raju Rameshwar Uprade wrote:
> 
> > Is this with your patched pl2303 driver, or are you now doing this from
> > userspace?
> 
>  This is patched pl2303 driver.

Then again, sorry, you are on your own here.

> > This looks like your driver, not mine, sorry, you are on your own here.
> > See my previous emails as to why this should be done in userspace and
> > not in the kernel.
> 
> Is it possible to control RTS line from user space.

Yes.

> kindly send me some links, regarding doing the things from userspace like controlling
> RTS line,adding mark and space parity with the data bytes.

There's this cool new site called 'google.com' that you might want to
look into using to find this kind of information :)

Seriously, start at the Serial Programming HOWTO and go from there.

good luck,

greg k-h
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