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From: Greg KH <gregkh@linuxfoundation.org>
To: "Hans Beckérus" <hans.beckerus@gmail.com>
Cc: linux-serial@vger.kernel.org
Subject: Re: USB serial support / Prolific PL2303 Driver
Date: Mon, 8 Apr 2013 08:03:51 -0700	[thread overview]
Message-ID: <20130408150351.GA13824@kroah.com> (raw)
In-Reply-To: <CAFyqS9rphU1ua=mzvQhWPRuqJDJHo79s5fq9ZF+oXMMcMXkUjA@mail.gmail.com>

On Mon, Apr 08, 2013 at 03:37:42PM +0200, Hans Beckérus wrote:
> I have some problems getting a USB serial adapter to work on our
> embedded Linux platform.

What kernel version are you using?

> At installation of the driver I can see the following:
> 
> usbcore: registered new interface driver usbserial
> usbserial: USB Serial Driver core
> usbcore: registered new interface driver pl2303
> USB Serial support registered for pl2303
> pl2303 1-1.4:1.0: pl2303 converter detected
> usb 1-1.4: pl2303 converter now attached to ttyUSB0
> 
> And there is such a device node created under /dev
> 
> crw--w--w-    1 root     root      188,   0 Apr  8 12:35 /dev/ttyUSB0
> 
> 
> But I am not able to connect to it through putty :(

putty is a Windows program, how are you talking to it through your Linux
box?

> What I tried on the Linux end was (getty is from busybox):
> 
> /sbin/getty 115200 ttyUSB0

Can you run something like minicom on the Linux side?

Are you sure you have the hardware line settings correct for the device?

greg k-h
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  reply	other threads:[~2013-04-08 15:03 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-08 13:37 USB serial support / Prolific PL2303 Driver Hans Beckérus
2013-04-08 15:03 ` Greg KH [this message]
2013-04-08 15:06   ` Re[2]: " Alexander Shiyan
2013-04-08 15:57     ` Hans Beckérus
2013-04-08 16:03       ` Greg KH
2013-04-08 16:20         ` Hans Beckérus
2013-04-08 16:29           ` Greg KH
2013-04-08 17:35             ` Hans Beckerus
2013-04-08 18:19               ` Greg KH

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