[3.16.y-ckt stable] Patch "ARM: dts: imx27: only map 4 Kbyte for fec registers" has been added to staging queue

Luis Henriques luis.henriques at canonical.com
Thu Jun 4 13:09:52 UTC 2015


This is a note to let you know that I have just added a patch titled

    ARM: dts: imx27: only map 4 Kbyte for fec registers

to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.16.y-queue

This patch is scheduled to be released in version 3.16.7-ckt13.

If you, or anyone else, feels it should not be added to this tree, please 
reply to this email.

For more information about the 3.16.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Luis

------

>From 832eddb8bd677aac3a61a4daaa34cdc2afbc99ad Mon Sep 17 00:00:00 2001
From: Philippe Reynes <tremyfr at gmail.com>
Date: Wed, 13 May 2015 00:18:26 +0200
Subject: ARM: dts: imx27: only map 4 Kbyte for fec registers
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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commit a29ef819f3f34f89a1b9b6a939b4c1cdfe1e85ce upstream.

According to the imx27 documentation, fec has a 4 Kbyte
memory space map. Moreover, the actual 16 Kbyte mapping
overlaps the SCC (Security Controller) memory register
space. So, we reduce the memory register space to 4 Kbyte.

Signed-off-by: Philippe Reynes <tremyfr at gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig at pengutronix.de>
Fixes: 9f0749e3eb88 ("ARM i.MX27: Add devicetree support")
Signed-off-by: Shawn Guo <shawn.guo at linaro.org>
Signed-off-by: Luis Henriques <luis.henriques at canonical.com>
---
 arch/arm/boot/dts/imx27.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index a75555c39533..e721736fe879 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -499,7 +499,7 @@

 			fec: ethernet at 1002b000 {
 				compatible = "fsl,imx27-fec";
-				reg = <0x1002b000 0x4000>;
+				reg = <0x1002b000 0x1000>;
 				interrupts = <50>;
 				clocks = <&clks 48>, <&clks 67>;
 				clock-names = "ipg", "ahb";




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