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Message-Id: <20080304134931.e72a3479.akpm@linux-foundation.org>
Date: Tue, 4 Mar 2008 13:49:31 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: rafa400@...gandia.com
Cc: linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: PROBLEM: NUDAM (USB-485) nowaday not detected by pl2303 module
On Tue, 4 Mar 2008 09:14:53 -0800 (PST)
rafa400@...gandia.com wrote:
> [1.] new NUDAM (USB-485) converter not recogniced by pl2303. Little change
> required.
> [2.] Until now NUDAM USB to RS-485/422 RS232 converter was detected by USB
> system and pl2303 module working fine in my Debian as /dev/ttyUSB0
>
> # dmesg
> ....
> usb 5-1.3: new full speed USB device using ehci_hcd and address 17
> usb 5-1.3: configuration #1 chosen from 1 choice
> pl2303 5-1.3:1.0: pl2303 converter detected
> usb 5-1.3: pl2303 converter now attached to ttyUSB0
>
> # lsusb
> Bus 005 Device 017: ID 067b:2303 Prolific Technology, Inc. PL2303 Serial Port
>
> They changed USB ID and now its like:
>
> # lsusb
> Bus 005 Device 016: ID 0b63:6530 ADLink Technology, Inc.
>
> but this ID is not detected by PD2303 module.
> a little change in pl2303 solve the problem
>
> [3.] pl2303 NUDAM USB 485
> [4.] Linux version 2.6.24-nudam (2.6.24-4) (root@...22) (gcc version 4.2.3
> 20080114 (prerelease) (Debian 4.2.2-7)) #1 SMP Mon Mar 3 12:02:41 CET 2008
> [5.] not required
> [6.] not required
> [7.] not required
> [X.] Other notes, patches, fixes, workarounds:
> I made the tribial changes in:
>
> drivers/usb/serial/pl2303.c
> drivers/usb/serial/pl2303.h
>
> adding de new USB ID 0b63:6530 to the existing arrays as needed
> recompile kernel, etc,etc.
> and it works fine again.
>
> Please include this in newer versions if it is possible.
Please just send us the patch.
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