From patchwork Sat Jul 20 07:17:57 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Shiyan X-Patchwork-Id: 2830794 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0C665C0319 for ; Sat, 20 Jul 2013 07:20:11 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3DAE620166 for ; Sat, 20 Jul 2013 07:20:10 +0000 (UTC) Received: from casper.infradead.org (casper.infradead.org [85.118.1.10]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 5412A20164 for ; Sat, 20 Jul 2013 07:20:09 +0000 (UTC) Received: from merlin.infradead.org ([2001:4978:20e::2]) by casper.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V0RRo-0004fo-2M; Sat, 20 Jul 2013 07:19:20 +0000 Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1V0RRe-00011F-NV; Sat, 20 Jul 2013 07:19:10 +0000 Received: from smtp35.i.mail.ru ([94.100.177.95]) by merlin.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1V0RRI-0000y3-87 for linux-arm-kernel@lists.infradead.org; Sat, 20 Jul 2013 07:18:50 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mail.ru; s=mail2; h=References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From; bh=RMZN7JQQqW5MgpWOD974+iQ19JSEh7XulroEwth6qNY=; b=rwhu8IyYVegNbVSdycI8uqk0ww3CNjqjBQCjGwjjCcSzRlSO2Yklnh6oXjLYxLUPM8j7Nef8uXHUpIBnh01Tkpcu+gfvF5rtcKoxsGv02O3A7PfwcToK5wK1FbH/cJMGgjLqeVPEepx5K/9GEovI8BEkNE/MHKjVWcqArWQe0bQ=; Received: from [188.134.40.128] (port=59309 helo=shc.zet) by smtp35.i.mail.ru with esmtpa (envelope-from ) id 1V0RQw-0002fR-Fn; Sat, 20 Jul 2013 11:18:26 +0400 From: Alexander Shiyan To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 4/6] ARM: dts: i.MX27: Increase "clock-latency" value Date: Sat, 20 Jul 2013 11:17:57 +0400 Message-Id: <1374304679-27338-4-git-send-email-shc_work@mail.ru> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1374304679-27338-1-git-send-email-shc_work@mail.ru> References: <1374304679-27338-1-git-send-email-shc_work@mail.ru> X-Mras: Ok X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20130720_031848_796673_3E226124 X-CRM114-Status: UNSURE ( 8.62 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.0 (--) Cc: Sascha Hauer , Shawn Guo , Alexander Shiyan X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, FREEMAIL_FROM,RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP i.MX27 CPU can be clocked with a 32 kHz quartz, and not just 32768 Hz, so increase "clock-latency" value, which will ensure that we use two clock cycles on frequency change. Signed-off-by: Alexander Shiyan --- 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 a8e0c7e..c06df85 100644 --- a/arch/arm/boot/dts/imx27.dtsi +++ b/arch/arm/boot/dts/imx27.dtsi @@ -61,7 +61,7 @@ 266000 1300000 399000 1450000 >; - clock-latency = <61036>; /* two CLK32 periods */ + clock-latency = <62500>; clocks = <&clks 18>; clock-names = "cpu"; voltage-tolerance = <5>;