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=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no 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 26867C433FF for ; Thu, 8 Aug 2019 12:23:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EA21B2173E for ; Thu, 8 Aug 2019 12:23:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565267022; bh=pYsFBGP3kI4gJG4u1PJaSdrgvkRbRuJZQ/c/jwcwI2U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=t9wl66EPH8dZ+TQCJDWFcwxTBGohn0pPZ57bl8bLptasWa9XQm3jh0284PdaBLR7p XkF8kvsI2+FyDG2sM1K+znmvIUriNzEcUZKAGspXfZhvY01Fslep8ywE8RsRR8J3Ii 5qGwyDzBuA3WX8nsClqQzLXHrQJDsvnXnL1V5mUw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726721AbfHHMXl (ORCPT ); Thu, 8 Aug 2019 08:23:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:40700 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726285AbfHHMXl (ORCPT ); Thu, 8 Aug 2019 08:23:41 -0400 Received: from localhost (unknown [122.178.245.201]) (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 CD18E2171F; Thu, 8 Aug 2019 12:23:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1565267020; bh=pYsFBGP3kI4gJG4u1PJaSdrgvkRbRuJZQ/c/jwcwI2U=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ZazE1taqA2r421KmDZVzNqPA+bSG3IjqBr4e1e/giVkNuwVgb3NEchPhztqU6QYfi GPj2QapJuzXJNzKKXvtyEycNJFqG3H7dunkUvVt9cZ3HNVHFePggOQ1fy+IpY3o9Xq C7ImPSlFTWh+CA67rXnQjQ9wy3ouO6RYu2i/nPpo= Date: Thu, 8 Aug 2019 17:52:28 +0530 From: Vinod Koul To: Fuqian Huang Cc: Shawn Guo , Sascha Hauer , dmaengine@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v3 03/24] dmaengine: imx-sdma: Remove call to memset after dma_alloc_coherent Message-ID: <20190808122228.GP12733@vkoul-mobl.Dlink> References: <20190715031716.6328-1-huangfq.daxian@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190715031716.6328-1-huangfq.daxian@gmail.com> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: dmaengine-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: dmaengine@vger.kernel.org On 15-07-19, 11:17, Fuqian Huang wrote: > In commit 518a2f1925c3 > ("dma-mapping: zero memory returned from dma_alloc_*"), > dma_alloc_coherent has already zeroed the memory. > So memset is not needed. Applied, thanks -- ~Vinod