From patchwork Fri Oct 9 22:10:24 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Arnaud Ebalard X-Patchwork-Id: 7364341 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 02E899F1D5 for ; Fri, 9 Oct 2015 22:15:01 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0C1D220762 for ; Fri, 9 Oct 2015 22:15:00 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 0648120760 for ; Fri, 9 Oct 2015 22:14:59 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1ZkfuQ-0003jF-JT; 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Sat, 10 Oct 2015 00:10:24 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=natisbad.org; s=mail; t=1444428624; bh=fsk9hOoqf5Ek/mF0YDHmVNWuAkBLNuQ+4LwcOOZKrzE=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=LZJUdF1prNrUXJY11wn2Gb0YEUR3GwLS2r6A6x2zAoR3xzX3oj2h7a5mEISESS4OE r5jyvpZBvs+8GZiwBGV43iFzgk6+ZKwxyfGA0NUh9Z2a81Fk+1O6R0xnPflynR6d9K +cIb8eNjoy+v2aeNa/A5f5YSkwgd0tQMg2uIFos0= X-Hashcash: 1:20:151009:jason@lakedaemon.net::5wy9Ki+qzoaTsIKP:000000000000000000000000000000000000000001MBy X-Hashcash: 1:20:151009:andrew@lunn.ch::cMjNkE7Nus1EyAqX:00014/o X-Hashcash: 1:20:151009:gregory.clement@free-electrons.com::u1Q2E3dOWogD35Ch:0000000000000000000000000000pOR X-Hashcash: 1:20:151009:sebastian.hesselbarth@gmail.com::lHUc7FW+kJTux1j2:000000000000000000000000000000Caqx X-Hashcash: 1:20:151009:robh+dt@kernel.org::aDps1gjJ5Xk9BJEQ:00000000000000000000000000000000000000000003gKl X-Hashcash: 1:20:151009:pawel.moll@arm.com::3Hex9HtTAouVW339:00000000000000000000000000000000000000000000iZu X-Hashcash: 1:20:151009:mark.rutland@arm.com::jy4+EopStIK8gegO:00000000000000000000000000000000000000000G59A X-Hashcash: 1:20:151009:ijc+devicetree@hellion.org.uk::2qRWkBMJ1gcm+OsJ:000000000000000000000000000000005syY X-Hashcash: 1:20:151009:galak@codeaurora.org::9kXNc8owqg5XPKnL:0000000000000000000000000000000000000000024iG X-Hashcash: 1:20:151009:linux@arm.linux.org.uk::XMkOQuGGkMqEtKEe:000000000000000000000000000000000000000AGBX X-Hashcash: 1:20:151009:linux-arm-kernel@lists.infradead.org::usAsPoXT1P/8IgTn:000000000000000000000000008A8 X-Hashcash: 1:20:151009:devicetree@vger.kernel.org::REHsMGvKIUFbCc1Q:000000000000000000000000000000000000orp X-Hashcash: 1:20:151009:linux-kernel@vger.kernel.org::D19U1MBjugj2BTHk:0000000000000000000000000000000000G+w X-Hashcash: 1:20:151009:tuxoholic@hotmail.de::FfwIiDxJh2MV9rBx:000000000000000000000000000000000000000004HHj From: Arnaud Ebalard To: Jason Cooper , Andrew Lunn , Gregory Clement , Sebastian Hesselbarth , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/2] arm: mvebu: disable unused Armada RTC on ReadyNAS 102, 104 and 2120 In-Reply-To: References: Message-Id: <2e62abb84de02c0495bde9d60a90282deae40967.1444428035.git.arno@natisbad.org> Date: Sat, 10 Oct 2015 00:10:24 +0200 User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151009_151259_485597_1D218953 X-CRM114-Status: GOOD ( 12.77 ) X-Spam-Score: -1.0 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, TuxOholic Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP By default, armada-370-xp.dtsi file has internal RTC enabled. NETGEAR ReadyNAS 102, 104 and 2120 all use an Intersil ISL12057 I2C RTC chip. The internal RTC not being disabled in the .dts files of those devices result in the following useless first line during boot: [ 4.500056] rtc-mv d0010300.rtc: internal RTC not ticking [ 4.505684] i2c /dev entries driver [ 4.513246] rtc-isl12057 0-0068: rtc core: registered rtc-isl12057 as rtc0 This patch marks Armada internal RTC as disabled in individual .dts files of those devices. Reported-by: TuxOholic Signed-off-by: Arnaud Ebalard Acked-by: Andrew Lunn --- arch/arm/boot/dts/armada-370-netgear-rn102.dts | 6 ++++++ arch/arm/boot/dts/armada-370-netgear-rn104.dts | 6 ++++++ arch/arm/boot/dts/armada-xp-netgear-rn2120.dts | 6 ++++++ 3 files changed, 18 insertions(+) diff --git a/arch/arm/boot/dts/armada-370-netgear-rn102.dts b/arch/arm/boot/dts/armada-370-netgear-rn102.dts index a31207860f34..5851964196bd 100644 --- a/arch/arm/boot/dts/armada-370-netgear-rn102.dts +++ b/arch/arm/boot/dts/armada-370-netgear-rn102.dts @@ -82,6 +82,12 @@ }; internal-regs { + + /* RTC is provided by Intersil ISL12057 I2C RTC chip */ + rtc@10300 { + status = "disabled"; + }; + serial@12000 { status = "okay"; }; diff --git a/arch/arm/boot/dts/armada-370-netgear-rn104.dts b/arch/arm/boot/dts/armada-370-netgear-rn104.dts index 00540f292979..b0b07ba677b9 100644 --- a/arch/arm/boot/dts/armada-370-netgear-rn104.dts +++ b/arch/arm/boot/dts/armada-370-netgear-rn104.dts @@ -82,6 +82,12 @@ }; internal-regs { + + /* RTC is provided by Intersil ISL12057 I2C RTC chip */ + rtc@10300 { + status = "disabled"; + }; + serial@12000 { status = "okay"; }; diff --git a/arch/arm/boot/dts/armada-xp-netgear-rn2120.dts b/arch/arm/boot/dts/armada-xp-netgear-rn2120.dts index 1516fc2627f9..85b2f87c0b8a 100644 --- a/arch/arm/boot/dts/armada-xp-netgear-rn2120.dts +++ b/arch/arm/boot/dts/armada-xp-netgear-rn2120.dts @@ -88,6 +88,12 @@ }; internal-regs { + + /* RTC is provided by Intersil ISL12057 I2C RTC chip */ + rtc@10300 { + status = "disabled"; + }; + /* Two rear eSATA ports */ sata@a0000 { nr-ports = <2>;