From: Philippe Reynes <tremyfr@gmail.com>
Date: Tue, 12 May 2015 22:18:26 +0000 (+0200)
Subject: ARM: dts: imx27: only map 4 Kbyte for fec registers
X-Git-Tag: firefly_0821_release~176^2~1710^2~1^2~3
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=a29ef819f3f34f89a1b9b6a939b4c1cdfe1e85ce;p=firefly-linux-kernel-4.4.55.git

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

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@gmail.com>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Fixes: 9f0749e3eb88 ("ARM i.MX27: Add devicetree support")
Cc: <stable@vger.kernel.org>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
---

diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index 6951b66d1ab7..bc215e4b75fd 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -533,7 +533,7 @@
 
 			fec: ethernet@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>;