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=-6.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 A7658C43441 for ; Sun, 11 Nov 2018 03:25:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 62B862146E for ; Sun, 11 Nov 2018 03:25:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="CD0SthG6" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 62B862146E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=linuxfoundation.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727329AbeKKNMU (ORCPT ); Sun, 11 Nov 2018 08:12:20 -0500 Received: from mail.kernel.org ([198.145.29.99]:46332 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727037AbeKKNMU (ORCPT ); Sun, 11 Nov 2018 08:12:20 -0500 Received: from localhost (unknown [206.108.79.134]) (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 8E96320989; Sun, 11 Nov 2018 03:25:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1541906706; bh=97HaA+i+YycfA0E771E95SzhIdIq1rY5m4KXD/AyiZA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=CD0SthG6vIIjw9OxvEy1BReAZiXa+GYM8+2hb/owFWbTEnyAcXX1VIM4w4Zrd4X0F JZXYJvRvQxcUDSy5kJtZ6fsdOatqV/66emxCViWOHn1NjYSQdV3F8V/oLjFYbWycOw kvDcteCfD1ovDccT+CgaUKzbFVHHeZ2bkDLo0vKY= Date: Sat, 10 Nov 2018 17:11:05 -0800 From: Greg KH To: "Joel Fernandes (Google)" Cc: stable@vger.kernel.org, Pierre Yves MORDRET , Hugues Fruchet , Vinod Koul , Alexandre Torgue , Dan Williams , dmaengine@vger.kernel.org, "moderated list:ARM/STM32 ARCHITECTURE" , linux-kernel@vger.kernel.org, Maxime Coquelin Subject: Re: [PATCH for-stable] dmaengine: stm32-dma: fix incomplete configuration in cyclic mode Message-ID: <20181111011105.GA18060@kroah.com> References: <20181017000003.GC140578@joelaf.mtv.corp.google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20181017000003.GC140578@joelaf.mtv.corp.google.com> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Oct 16, 2018 at 05:00:03PM -0700, Joel Fernandes (Google) wrote: > From: Pierre Yves MORDRET > > commit e57cb3b3f10d005410f09d4598cc6d62b833f2b0 upstream. > > When in cyclic mode, the configuration is updated after having started the > DMA hardware (STM32_DMA_SCR_EN) leading to incomplete configuration of > SMxAR registers. > > Signed-off-by: Pierre-Yves MORDRET > Signed-off-by: Hugues Fruchet > Signed-off-by: Vinod Koul > --- > drivers/dma/stm32-dma.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) I'm just guessing you want this for 4.14.y? I've added it there. If not, please give me a hint :)