linux-kernel - Re: [PATCH 06/10] HID: move logitech report quirks

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Date:	Wed, 11 Jun 2008 17:39:23 +0200
From:	Oliver Neukum <oliver@...kum.org>
To:	Jiri Kosina <jkosina@...e.cz>
Cc:	Jiri Slaby <jirislaby@...il.com>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	linux-input@...r.kernel.org, marcel@...tmann.org,
	linux-kernel@...r.kernel.org, anssi.hannula@...il.com
Subject: Re: [PATCH 06/10] HID: move logitech report quirks

Am Mittwoch 11 Juni 2008 16:13:43 schrieb Jiri Kosina:
> On Mon, 9 Jun 2008, Jiri Slaby wrote:
> 
> > > > static const struct hid_device_id hid_blacklist[] = {
> > > > +	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
> > > > USB_DEVICE_ID_MX3000_RECEIVER) },
> > > > +	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER)
> > > > },
> > > > +	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH,
> > > > USB_DEVICE_ID_S510_RECEIVER_2) },
> > > >  	{ }
> > > >  };
> > > This shouldn't be needed as soon as the userspace supports the proper module
> > > autoloading, right?
> > This is needed to tell generic drivers not to bind these, its' generic
> > blacklist. I have no idea how this could be done better with current
> > drivers/base/.
> 
> Hmm ... but if we make sure that the order in `modules.order' puts all the 
> specialized drivers before the generic one, the binding should be done 
> correctly even without blacklist, right?

No. You might have two devices connected. The first correctly triggers
the loading of the generic driver. The second would first load the specialised
driver but the already loaded driver will be faster.

	Regards
		Oliver

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