From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1797295-1527159176-2-13433583070603941117 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, MAILING_LIST_MULTI -1, RCVD_IN_DNSWL_HI -5, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='209.132.180.67', Host='vger.kernel.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='UTF-8' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: stable-owner@vger.kernel.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=fm2; t= 1527159175; b=gRLFMUFb7LYsqzBVYF3+p54XkZ6VoFufIAWNBjtNc4BevTe80o KT1R3nLH+fe8jNQHUPmqSnY7YNnMOL/6Z0pyC6sj7l+abdzLbNp3PKS3DKVeP00z Lh4FZCBjNor2UzFWiZkhXpI1snAjI368bgp+ATA5s+/uAbZJ3l9e5Si4MJmkckU5 /mUO0Lp+nsFwNDd31zpCi9KXqxFhmiuYNcG90wgh1uazgRYLvghtou6y/AKv/WFn 1qNCGYfOkzapEIKyeq2hhJscJDvv8ELtzyt/vjsswz/tDDe8m4rt0EVr60MONwp3 xsgFDCBotHDCUEsqIpm5kmvFdIpLSDw8pRqw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=from:to:cc:subject:date:message-id :in-reply-to:references:mime-version:content-type:sender :list-id; s=fm2; t=1527159175; bh=qprVYOO5MPYyZOKlxFPgowN2TeDzzq g7D7h7ihmSqG8=; b=aWV8DeaI0nqjfM95nqHnD92T18jjWS956WL5xYvIHRoqok sfnPmxZmEtStYTAHbOWmSBV+imDh9NZ+H3FWxIFxMFXqkDhUDZz9vkkG1c550+b/ bnSZD2NxdFsw6EIAEm+9ZnnbPorrdFSxpPGlNF5VD0/0yc32HshEVMlX24OPmrEF x+TspZ89bKlKkF802w/LMJB6noPbRbarvOSCBqdfJw0vK2phJ6rkIjzNepoff7RW vMtM4cH7qeWgstTytQEI1F0GgCoIk6GbIuNSZoSDxVbSF9sHvUzMUTN5hydkBhcv b6h7bdYUPTq+CnRw7seHA3biSNuxmqztAzSdad5w== ARC-Authentication-Results: i=1; mx3.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=kernel.org header.i=@kernel.org header.b=JQ4rdDEg x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=default; dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 Authentication-Results: mx3.messagingengine.com; arc=none (no signatures found); dkim=pass (1024-bit rsa key sha256) header.d=kernel.org header.i=@kernel.org header.b=JQ4rdDEg x-bits=1024 x-keytype=rsa x-algorithm=sha256 x-selector=default; dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=209.132.180.67 (vger.kernel.org); spf=none smtp.mailfrom=stable-owner@vger.kernel.org smtp.helo=vger.kernel.org; x-aligned-from=fail; x-cm=none score=0; x-ptr=pass x-ptr-helo=vger.kernel.org x-ptr-lookup=vger.kernel.org; x-return-mx=pass smtp.domain=vger.kernel.org smtp.result=pass smtp_org.domain=kernel.org smtp_org.result=pass smtp_is_org_domain=no header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-vs=clean score=-100 state=0 X-ME-VSCategory: clean X-CM-Envelope: MS4wfIC8t7A9f9DOSvqcNWZk0jVUGdMmOjXtIbrrwz6qjKEQl+P40tC6y2O+6+xlPR86BH8vlaglXChu1GIAMfLyvf28svuPRzIav1L2Dzqv5SmkZaeVv3W1 LZeoubMXCVPdnrtH160pr/F+/49ju2JzPcddk6mt1yvuwFfM2xSIilJgw39NR6QTOCZvWPdD1Jjk3N1C9n70MdktcQJCV0P/3MaYRfuhKcNdjLa1jjqOUxt0 X-CM-Analysis: v=2.3 cv=Tq3Iegfh c=1 sm=1 tr=0 a=UK1r566ZdBxH71SXbqIOeA==:117 a=UK1r566ZdBxH71SXbqIOeA==:17 a=IkcTkHD0fZMA:10 a=VUJBJC2UJ8kA:10 a=hD80L64hAAAA:8 a=pGLkceISAAAA:8 a=yMhMjlubAAAA:8 a=ag1SF4gXAAAA:8 a=38Mx9yBTMS289Mm5uicA:9 a=QEXdDO2ut3YA:10 a=Yupwre4RP9_Eg_Bd0iYG:22 X-ME-CMScore: 0 X-ME-CMCategory: none Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1030393AbeEXJ5R (ORCPT ); Thu, 24 May 2018 05:57:17 -0400 Received: from mail.kernel.org ([198.145.29.99]:37086 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1030426AbeEXJ5N (ORCPT ); Thu, 24 May 2018 05:57:13 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andrzej Hajda , Tomasz Figa , Chanwoo Choi , Sylwester Nawrocki , Sasha Levin Subject: [PATCH 4.14 133/165] clk: samsung: exynos5260: Fix PLL rates Date: Thu, 24 May 2018 11:38:59 +0200 Message-Id: <20180524093627.383636798@linuxfoundation.org> X-Mailer: git-send-email 2.17.0 In-Reply-To: <20180524093621.979359379@linuxfoundation.org> References: <20180524093621.979359379@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: 4.14-stable review patch. If anyone has any objections, please let me know. ------------------ From: Andrzej Hajda [ Upstream commit cdb68fbd4e7962be742c4f29475220c5bf28d8a5 ] Rates declared in PLL rate tables should match exactly rates calculated from the PLL coefficients. If that is not the case, rate of the PLL's child clock might be set not as expected. For instance, if in the PLL rates table we have a 393216000 Hz entry and the real value as returned by the PLL's recalc_rate callback is 393216003, after setting PLL's clk rate to 393216000 clk_get_rate will return 393216003. If we now attempt to set rate of a PLL's child divider clock to 393216000/2 its rate will be 131072001, rather than 196608000. That is, the divider will be set to 3 instead of 2, because 393216003/2 is greater than 196608000. To fix this issue declared rates are changed to exactly match rates generated by the PLL, as calculated from the P, M, S, K coefficients. Signed-off-by: Andrzej Hajda Acked-by: Tomasz Figa Acked-by: Chanwoo Choi Signed-off-by: Sylwester Nawrocki Signed-off-by: Sasha Levin Signed-off-by: Greg Kroah-Hartman --- drivers/clk/samsung/clk-exynos5260.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/clk/samsung/clk-exynos5260.c +++ b/drivers/clk/samsung/clk-exynos5260.c @@ -65,7 +65,7 @@ static const struct samsung_pll_rate_tab PLL_36XX_RATE(480000000, 160, 2, 2, 0), PLL_36XX_RATE(432000000, 144, 2, 2, 0), PLL_36XX_RATE(400000000, 200, 3, 2, 0), - PLL_36XX_RATE(394073130, 459, 7, 2, 49282), + PLL_36XX_RATE(394073128, 459, 7, 2, 49282), PLL_36XX_RATE(333000000, 111, 2, 2, 0), PLL_36XX_RATE(300000000, 100, 2, 2, 0), PLL_36XX_RATE(266000000, 266, 3, 3, 0),