linux-kernel - Re: [PATCH v2] Documentation usb serial: fixed how to provide vendor and product id

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Message-ID: <20150421074723.GA27057@localhost>
Date:	Tue, 21 Apr 2015 09:47:23 +0200
From:	Johan Hovold <johan@...nel.org>
To:	Marek Belisko <marek@...delico.com>
Cc:	johan@...nel.org, gregkh@...uxfoundation.org, corbet@....net,
	linux-usb@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, gta04-owner@...delico.com,
	"H. Nikolaus Schaller" <hns@...delico.com>
Subject: Re: [PATCH v2] Documentation usb serial: fixed how to provide vendor
 and product id

On Mon, Apr 20, 2015 at 10:15:20PM +0200, Marek Belisko wrote:
> From: "H. Nikolaus Schaller" <hns@...delico.com>
> 
> While trying to test a Cinterion GSM/GPS/3G module I had reconfigured
> the USB interface by mistake and therefore needed to run a different
> USB driver than CDC-ACM. It turned out that I need the "usbserial" driver.
> 
> This file is an official description how to use it: Documentation/usb/usb-serial.txt
> 
> But it is outdated. The parameters vendor= and product= are only available
> if compiled as a kernel module and have been superseded by a /sys interface.
> 
> Here was the solution:
> 
> https://bbs.archlinux.org/viewtopic.php?id=175499
> 
>   insmod usbserial vendor=0x#### product=0x####
> 
> becomes (first #### is vendor, second is product)
> 
>   modprobe usbserial
>   echo #### #### >/sys/bus/usb-serial/drivers/generic/new_id
> 
> This patch changes the documentation file to describe the modern variant.
> Please note that the old one still works (if compiled as module).
> 
> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
> Signed-off-by: Marek Belisko <marek@...delico.com>
> ---
> 
> - fixed 2 sentences suggested by Johan Hovold

Thanks for fixing this. Looks good now.

Acked-by: Johan Hovold <johan@...nel.org>

Johan
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