linux-kernel - Re: [Gta04-owner] [PATCH] Documentation: usb: serial: fixed how to provide vendor and product id

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Date:	Mon, 30 Mar 2015 12:10:49 +0200
From:	Johan Hovold <johan@...nel.org>
To:	"Dr. H. Nikolaus Schaller" <hns@...delico.com>
Cc:	List for communicating with real GTA04 owners 
	<gta04-owner@...delico.com>, Johan Hovold <johan@...nel.org>,
	corbet@....net, linux-doc@...r.kernel.org,
	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, Marek Belisko <marek@...delico.com>
Subject: Re: [Gta04-owner] [PATCH] Documentation: usb: serial: fixed how to
 provide vendor and product id

On Mon, Mar 30, 2015 at 11:40:20AM +0200, Dr. H. Nikolaus Schaller wrote:

> >>> diff --git a/Documentation/usb/usb-serial.txt b/Documentation/usb/usb-serial.txt
> >>> index 947fa62..9f184d8 100644
> >>> --- a/Documentation/usb/usb-serial.txt
> >>> +++ b/Documentation/usb/usb-serial.txt
> >>> @@ -466,11 +466,13 @@ Generic Serial driver
> >>>  is required of your device is that it has at least one bulk in endpoint,
> >>>  or one bulk out endpoint. 
> >>> 
> >>> -  To enable the generic driver to recognize your device, build the driver
> >>> -  as a module and load it by the following invocation:
> >>> -	insmod usbserial vendor=0x#### product=0x####
> >>> -  where the #### is replaced with the hex representation of your device's
> >>> -  vendor id and product id.
> >>> +  To enable the generic driver to recognize your device, configure
> >>> +  USB_SERIAL_GENERIC=y and build the driver as a module. Then load it by the
> >> 
> >> You don't need to build the driver as a module when using the sysfs
> >> method.
> > 
> > Ok, that is right and my formulation is too narrow on that.
> 
> Well, I should add that not my formulation was too narrow but already
> the original.

Since you change the description so that the context becomes invalid,
you are responsible for updating the context as well.

> > 
> > So we just s/ as a module//.
> > 
> >> 
> >>> +  following invocation:
> >>> +	modprobe usbserial
> >>> +	echo #### #### >/sys/bus/usb-serial/drivers/generic/new_id
> >>> +  where the the first #### is replaced with the hex representation of your
> >>> +  device's vendor id and the second #### by the product id.
> >>> 
> >>>  This driver has been successfully used to connect to the NetChip USB
> >>>  development board, providing a way to develop USB firmware without

Johan
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