linux-kernel - Re: [PATCH] usb-storage: Add support for unusual device by Sierra Wireless

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Message-ID: <4648F04B.9050204@gentoo.org>
Date:	Mon, 14 May 2007 19:27:07 -0400
From:	Daniel Drake <dsd@...too.org>
To:	Kevin Lloyd <klloyd@...rrawireless.com>
CC:	gregkh@...e.de, mdharm-usb@...-eyed-alien.net,
	linux-usb-users@...ts.sourceforge.net,
	usb-storage@...ts.one-eyed-alien.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] usb-storage: Add support for unusual device by Sierra
 Wireless

Kevin Lloyd wrote:
> Not a bad idea. When using the US_FL_IGNORE_DEVICE flag, that causes the
> usb-storage driver to no load the device and allow another driver
> properly load it? The reason I ask is because I previously had a
> separate driver for the device, however there were priority issues
> regarding which loaded first usb-storage or the separate driver.

Yes, that's what it's designed for. If usb-storage does come first, the 
US_FL_IGNORE_DEVICE flag causes it to return -ENODEV from probe, which 
causes the driver core to look for other candidate drivers to claim the 
device.

Daniel
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