From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 13DE0C31E45 for ; Thu, 13 Jun 2019 16:25:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DD91F21721 for ; Thu, 13 Jun 2019 16:25:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560443121; bh=xCttZXSfI1ITlmrih5GsZ+ykIoUW06ewZYuW20Wg2MI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=q737Rfw+eW1DESdAfZ8rq9gR7Jllple1SGJcDa3lqWi95/hq4CiQZHp4INkXkCkTR Z8ixIRTLjZ5Y2Kw6SsPyui2yWARo3tUVkTyTHoln2Bi2tpYmlVxblM+pw6NYHkeVu/ tMujkGv7LJBYRFCNuWxZh1/5EVbK7/8L9BRAUJ28= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2392221AbfFMQZU (ORCPT ); Thu, 13 Jun 2019 12:25:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:54230 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730981AbfFMIgt (ORCPT ); Thu, 13 Jun 2019 04:36:49 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 98CF02133D; Thu, 13 Jun 2019 08:36:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560415009; bh=xCttZXSfI1ITlmrih5GsZ+ykIoUW06ewZYuW20Wg2MI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=GGU9O+OzD6vvy6065mWr67+UCwnP3RA6m7p71PBGqpaE84RjDXQPQqoROWsXXkcW1 3QcZS62euw6irBTTGV3rBdhPcgQJpo+MlTOIUgEEQY/EgUJFQfZXVE1zavqlwNSVwI Xd3shUr4kbSsQRhNSjItEtyG+2O8nMOdzahMZPQg= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andrey Smirnov , "Angus Ainslie (Purism)" , Chris Healy , Lucas Stach , Fabio Estevam , Shawn Guo , linux-arm-kernel@lists.infradead.org, Sasha Levin Subject: [PATCH 4.14 53/81] ARM: dts: imx50: Specify IMX5_CLK_IPG as "ahb" clock to SDMA Date: Thu, 13 Jun 2019 10:33:36 +0200 Message-Id: <20190613075653.110849078@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190613075649.074682929@linuxfoundation.org> References: <20190613075649.074682929@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org [ Upstream commit b7b4fda2636296471e29b78c2aa9535d7bedb7a0 ] Since 25aaa75df1e6 SDMA driver uses clock rates of "ipg" and "ahb" clock to determine if it needs to configure the IP block as operating at 1:1 or 1:2 clock ratio (ACR bit in SDMAARM_CONFIG). Specifying both clocks as IMX5_CLK_SDMA results in driver incorrectly thinking that ratio is 1:1 which results in broken SDMA funtionality. Fix the code to specify IMX5_CLK_AHB as "ahb" clock for SDMA, to avoid detecting incorrect clock ratio. Signed-off-by: Andrey Smirnov Cc: Angus Ainslie (Purism) Cc: Chris Healy Cc: Lucas Stach Cc: Fabio Estevam Cc: Shawn Guo Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx50.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx50.dtsi b/arch/arm/boot/dts/imx50.dtsi index 3747d80104f4..63e1d2fe2e19 100644 --- a/arch/arm/boot/dts/imx50.dtsi +++ b/arch/arm/boot/dts/imx50.dtsi @@ -441,7 +441,7 @@ reg = <0x63fb0000 0x4000>; interrupts = <6>; clocks = <&clks IMX5_CLK_SDMA_GATE>, - <&clks IMX5_CLK_SDMA_GATE>; + <&clks IMX5_CLK_AHB>; clock-names = "ipg", "ahb"; fsl,sdma-ram-script-name = "imx/sdma/sdma-imx50.bin"; }; -- 2.20.1