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=-8.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 4733AC31E45 for ; Thu, 13 Jun 2019 16:14:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 1AB0220665 for ; Thu, 13 Jun 2019 16:14:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560442480; bh=/xsKunJb0b7JNI+hxbSs2B2m7XRoClfEzzm84fBCY4s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Ktk6DrZ+BDinpnhiXxLijtX2h5XL5/CDOyW/h3kFYOcXCPsVkVHFggnCGXPq7wKuK gMlbL0Za2NkN2hVyEVuGgcaJV1rv3dMuKlT9J9Kkb4uQFEiPLwBE8W2O99RrKV8OOd vf/hs3NsnmBsruWZN877XjyfNzZJ4Cv673Md99q0= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391818AbfFMQOh (ORCPT ); Thu, 13 Jun 2019 12:14:37 -0400 Received: from mail.kernel.org ([198.145.29.99]:59440 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731187AbfFMImQ (ORCPT ); Thu, 13 Jun 2019 04:42:16 -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 707C12147A; Thu, 13 Jun 2019 08:42:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560415335; bh=/xsKunJb0b7JNI+hxbSs2B2m7XRoClfEzzm84fBCY4s=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=G0R3ww2q310bufO2v/P3vRARdIy2WZ9LPsuSa8NOiND1bUC3ka5DD9Hxgislj+qSm GX3G5ZKGfVWpftNRkIRT/V+I7P9G7FBeOB88p6S0nfhF+Pgr2GEPwmUEwGQVUMI/wl eI8gTykos4Xnt/a2n3R3Lp/AKpmtztYW1zsGHsDU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Andrey Smirnov , Lucas Stach , "Angus Ainslie (Purism)" , Chris Healy , Fabio Estevam , Shawn Guo , linux-arm-kernel@lists.infradead.org, Adam Ford , Sasha Levin Subject: [PATCH 4.19 088/118] ARM: dts: imx6qdl: Specify IMX6QDL_CLK_IPG as "ipg" clock to SDMA Date: Thu, 13 Jun 2019 10:33:46 +0200 Message-Id: <20190613075648.954823832@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190613075643.642092651@linuxfoundation.org> References: <20190613075643.642092651@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 b14c872eebc501b9640b04f4a152df51d6eaf2fc ] 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 IMX6QDL_CLK_SDMA results in driver incorrectly thinking that ratio is 1:1 which results in broken SDMA funtionality(this at least breaks RAVE SP serdev driver on RDU2). Fix the code to specify IMX6QDL_CLK_IPG as "ipg" clock for SDMA, to avoid detecting incorrect clock ratio. Signed-off-by: Andrey Smirnov Reviewed-by: Lucas Stach 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 Tested-by: Adam Ford Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm/boot/dts/imx6qdl.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi index 61d2d26afbf4..00d44a60972f 100644 --- a/arch/arm/boot/dts/imx6qdl.dtsi +++ b/arch/arm/boot/dts/imx6qdl.dtsi @@ -905,7 +905,7 @@ compatible = "fsl,imx6q-sdma", "fsl,imx35-sdma"; reg = <0x020ec000 0x4000>; interrupts = <0 2 IRQ_TYPE_LEVEL_HIGH>; - clocks = <&clks IMX6QDL_CLK_SDMA>, + clocks = <&clks IMX6QDL_CLK_IPG>, <&clks IMX6QDL_CLK_SDMA>; clock-names = "ipg", "ahb"; #dma-cells = <3>; -- 2.20.1