From mboxrd@z Thu Jan 1 00:00:00 1970
Return-path: <barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org>
Received: from astoria.ccjclearline.com ([64.235.106.9])
by bombadil.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux))
id 1Rvohy-0004Tf-Il
for barebox@lists.infradead.org; Fri, 10 Feb 2012 11:32:07 +0000
Received: from cpec03f0ed08c7f-cm001ac318e826.cpe.net.cable.rogers.com
([99.241.91.63] helo=crashcourse.ca)
by astoria.ccjclearline.com with esmtpsa (TLSv1:AES256-SHA:256)
(Exim 4.69) (envelope-from <rpjday@crashcourse.ca>)
id 1Rvohq-0006wS-VQ
for barebox@lists.infradead.org; Fri, 10 Feb 2012 06:31:59 -0500
Date: Fri, 10 Feb 2012 06:31:52 -0500 (EST)
From: "Robert P. J. Day" <rpjday@crashcourse.ca>
Message-ID: <alpine.DEB.2.02.1202100630130.6678@oneiric>
MIME-Version: 1.0
List-Id: <barebox.lists.infradead.org>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/barebox>,
<mailto:barebox-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/barebox/>
List-Post: <mailto:barebox@lists.infradead.org>
List-Help: <mailto:barebox-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/barebox>,
<mailto:barebox-request@lists.infradead.org?subject=subscribe>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Sender: barebox-bounces@lists.infradead.org
Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org
Subject: [PATCH] Add comment explaining what cortex_a9_rev() is doing.
To: "U-Boot Version 2 (barebox)" <barebox@lists.infradead.org>
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
---
stole the comment straight from U-Boot, it seems useful since that
line of code isn't at all intuitive.
diff --git a/arch/arm/mach-omap/omap4_generic.c b/arch/arm/mach-omap/omap4_generic.c
index 5223c7e..c6e46e6 100644
--- a/arch/arm/mach-omap/omap4_generic.c
+++ b/arch/arm/mach-omap/omap4_generic.c
@@ -352,6 +352,7 @@ static unsigned int cortex_a9_rev(void)
unsigned int i;
+ /* Read Main ID Register (MIDR) */
asm ("mrc p15, 0, %0, c0, c0, 0" : "=r" (i));
return i;
--
========================================================================
Robert P. J. Day Ottawa, Ontario, CANADA
http://crashcourse.ca
Twitter: http://twitter.com/rpjday
LinkedIn: http://ca.linkedin.com/in/rpjday
========================================================================
_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox