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

[Kamal Mostafa]

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-3.19.y-queue branch of the 3.19.y-ckt extended stable tree 
which can be found at:

    http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.19.y-queue

This patch is scheduled to be released in version 3.19.8-ckt3.

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

For more information about the 3.19.y-ckt tree, see
https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

Thanks.
-Kamal

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>From 10f079553d1aa2d392561b0218670633d5c8d188 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: Kamal Mostafa <kamal 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 107d713..12ac5f7 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -531,7 +531,7 @@

 			fec: ethernet at 1002b000 {
 				compatible = "fsl,imx27-fec";
-				reg = <0x1002b000 0x4000>;
+				reg = <0x1002b000 0x1000>;
 				interrupts = <50>;
 				clocks = <&clks IMX27_CLK_FEC_IPG_GATE>,
 					 <&clks IMX27_CLK_FEC_AHB_GATE>;
--
1.9.1