From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751994AbbEIUyo (ORCPT ); Sat, 9 May 2015 16:54:44 -0400 Received: from mail-wg0-f46.google.com ([74.125.82.46]:34311 "EHLO mail-wg0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751129AbbEIUyk (ORCPT ); Sat, 9 May 2015 16:54:40 -0400 From: Philippe Reynes To: shawn.guo@linaro.org, kernel@pengutronix.de, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux@arm.linux.org.uk Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Philippe Reynes Subject: [PATCH] imx27: dt: only map 1 Kbyte for fec registers Date: Sat, 9 May 2015 22:54:30 +0200 Message-Id: <1431204870-17233-1-git-send-email-tremyfr@gmail.com> X-Mailer: git-send-email 1.7.4.4 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org According to the imx27 documentation, fec has a 1 Kbyte memory space map, spitted in two regions of 512 bytes. The first one for control/status registers, and the second one for event/statistic registers. So, we don't need to map 16 Kbyte for registers, 1 Kbyte is enough. Signed-off-by: Philippe Reynes --- arch/arm/boot/dts/imx27.dtsi | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi index 6951b66..56bb917 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 0x400>; interrupts = <50>; clocks = <&clks IMX27_CLK_FEC_IPG_GATE>, <&clks IMX27_CLK_FEC_AHB_GATE>; -- 1.7.4.4