Subject: Re: [linux-usb-devel] Re: Lost keyboard on Inspiron 8200 at 2.6.13
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Pete Zaitcev <zaitcev@redhat.com>
Cc: Greg KH <greg@kroah.com>, dtor_core@ameritech.net, akpm@osdl.org,
       linux-kernel@vger.kernel.org, caphrim007@gmail.com, david-b@pacbell.net,
       linux-usb-devel@lists.sourceforge.net
In-Reply-To: <20050916152432.5a05aeca.zaitcev@redhat.com>
References: <432A4A1F.3040308@gmail.com>
	 <200509152357.58921.dtor_core@ameritech.net>
	 <20050916025356.0d5189a6.akpm@osdl.org>
	 <d120d500050916082519c660e6@mail.gmail.com>
	 <1126886449.17038.4.camel@localhost.localdomain>
	 <20050916184440.GA11413@kroah.com>
	 <20050916152432.5a05aeca.zaitcev@redhat.com>
Content-Type: text/plain
Content-Transfer-Encoding: 7bit
Date: Sat, 17 Sep 2005 00:54:51 +0100
Message-Id: <1126914891.17038.30.camel@localhost.localdomain>
Mime-Version: 1.0
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 818
Lines: 18

On Gwe, 2005-09-16 at 15:24 -0700, Pete Zaitcev wrote:
> I see why you would want to merge them, but is it worth the trouble?
> They are not identical. For one thing, early handoff installs its own
> fake interrupt handlers (Alan Cox insisted on it in the RHEL
> implementation).

You need them because an IRQ could be pending on the channel at the
point you switch over or triggered on the switch and a few people saw
this behaviour.

I'd like to see it shared but that means handoff belongs in the input
layer code and the USB layer needs to call into it if appropriate.

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/