From patchwork Tue Jul 27 22:02:29 2010
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Ohad Ben Cohen <ohad@wizery.com>
X-Patchwork-Id: 114645
Received: from vger.kernel.org (vger.kernel.org [209.132.180.67])
	by demeter.kernel.org (8.14.4/8.14.3) with ESMTP id o6RM3EMN003867
	for <patchwork-omap@patchwork.kernel.org>;
	Tue, 27 Jul 2010 22:04:00 GMT
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1752725Ab0G0WCw (ORCPT
	<rfc822;patchwork-omap@patchwork.kernel.org>);
	Tue, 27 Jul 2010 18:02:52 -0400
Received: from mail-ww0-f44.google.com ([74.125.82.44]:51084 "EHLO
	mail-ww0-f44.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751877Ab0G0WCv convert rfc822-to-8bit (ORCPT
	<rfc822; linux-omap@vger.kernel.org>); Tue, 27 Jul 2010 18:02:51 -0400
Received: by wwj40 with SMTP id 40so1784031wwj.1
	for <linux-omap@vger.kernel.org>;
	Tue, 27 Jul 2010 15:02:50 -0700 (PDT)
Received: by 10.216.187.143 with SMTP id y15mr9634983wem.74.1280268169272;
	Tue, 27 Jul 2010 15:02:49 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.216.170.71 with HTTP; Tue, 27 Jul 2010 15:02:29 -0700 (PDT)
X-Originating-IP: [109.186.188.251]
In-Reply-To: <1279662096-3121-3-git-send-email-h-kanigeri2@ti.com>
References: <1279662096-3121-1-git-send-email-h-kanigeri2@ti.com>
	<1279662096-3121-3-git-send-email-h-kanigeri2@ti.com>
From: Ohad Ben-Cohen <ohad@wizery.com>
Date: Wed, 28 Jul 2010 01:02:29 +0300
Message-ID: <AANLkTi=tHyRBgO79e=LEPOS85z=87TEt1QOvXR+keZHG@mail.gmail.com>
Subject: Re: [PATCH 2/2] omap:mailbox-provide multiple reader support
To: Hari Kanigeri <h-kanigeri2@ti.com>
Cc: Linux Omap <linux-omap@vger.kernel.org>, Tony Lindgren <tony@atomide.com>,
	Hiroshi DOYU <Hiroshi.DOYU@nokia.com>,
	"Guzman Lugo, Fernando" <fernando.lugo@ti.com>
Sender: linux-omap-owner@vger.kernel.org
Precedence: bulk
List-ID: <linux-omap.vger.kernel.org>
X-Mailing-List: linux-omap@vger.kernel.org
X-Greylist: IP, sender and recipient auto-whitelisted, not delayed by
	milter-greylist-4.2.3 (demeter.kernel.org [140.211.167.41]);
	Tue, 27 Jul 2010 22:04:00 +0000 (UTC)


diff --git a/include/linux/notifier.h b/include/linux/notifier.h
index 540703b..e740aea 100644
--- a/include/linux/notifier.h
+++ b/include/linux/notifier.h
@@ -51,6 +51,7 @@ struct notifier_block {
        int (*notifier_call)(struct notifier_block *, unsigned long, void *);
        struct notifier_block *next;
        int priority;
+       void *dev_id;
 };

 struct atomic_notifier_head {
diff --git a/kernel/notifier.c b/kernel/notifier.c
index 2488ba7..050fd9b 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -64,6 +64,7 @@ static int notifier_chain_unregister(struct notifier_block **n
  *     @nl:            Pointer to head of the blocking notifier chain
  *     @val:           Value passed unmodified to notifier function
  *     @v:             Pointer passed unmodified to notifier function
+ *                     If pointer is NULL, the notifier block's
cookie is passed
  *     @nr_to_call:    Number of notifier functions to be called. Don't care
  *                     value of this parameter is -1.