From patchwork Thu Nov 10 18:18:53 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathieu Poirier X-Patchwork-Id: 81735 Delivered-To: patch@linaro.org Received: by 10.140.97.165 with SMTP id m34csp869882qge; Thu, 10 Nov 2016 10:19:48 -0800 (PST) X-Received: by 10.98.159.67 with SMTP id g64mr12235031pfe.93.1478801988119; Thu, 10 Nov 2016 10:19:48 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n19si6187667pfk.284.2016.11.10.10.19.47; Thu, 10 Nov 2016 10:19:48 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755699AbcKJSTp (ORCPT + 27 others); Thu, 10 Nov 2016 13:19:45 -0500 Received: from mail-it0-f41.google.com ([209.85.214.41]:36010 "EHLO mail-it0-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755846AbcKJSTE (ORCPT ); Thu, 10 Nov 2016 13:19:04 -0500 Received: by mail-it0-f41.google.com with SMTP id q124so253117914itd.1 for ; Thu, 10 Nov 2016 10:19:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=Hiv+x0+PiI+ibUgaDA9ul0i+cXmUSpPpAVsiY17oQjk=; b=Qb/f16d+CTqGUqzD3fGgmGRPY2kZkJDIkY60ksCNK06BGA6jfEFJUiJTGWL4g+kQnz 8gbP8/FQEB35wR2YQS1huGCAxGEmyfFaIycrHpZ8UPngfRK+uKYniOBmebULVU8azr8C mdbqpuxiK3nx800gVud4s9kPHtDNvoosoFTUs= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=Hiv+x0+PiI+ibUgaDA9ul0i+cXmUSpPpAVsiY17oQjk=; b=PU868tBO3u+jsD+lBFPwsI2qz1mu6yzPCyd6IVVVgDv51bYH9f/8yppW4yzC/ZjK45 6helBdOs7zpvRtgqvyGNJOZaYaiiRelLTviNYUX7aF/ZrqyJ/+ruu6CNHJUmQj4Y843Q yM89yylWGkiH9j19w6zqhHlzNIONu9SLulXl+ai6jWTyN8QlAAUcRlZmwDGLxe3yl54f eVJuHVOjwix++IwLznS1dNqJzW3erBNw0MpZdhkpAnf4ZH9NTzq8vMAnX5zvAT/vXtgs +Qots+/Bvg6Zd/rHSne4AB93fRxgD6qjdgsOm3lbNm/+scUh2iCaFnoY2XqMFoC1pvwv q5Sg== X-Gm-Message-State: ABUngvfRl2k5qfpneKe9zmGDaeCKLrem4RQVdRDpomdr4Baz93RLCp3pFqVSS4tdL4Xv58lk X-Received: by 10.36.53.69 with SMTP id k66mr5133541ita.18.1478801943126; Thu, 10 Nov 2016 10:19:03 -0800 (PST) Received: from t430.cg.shawcable.net (S0106002369de4dac.cg.shawcable.net. [68.147.8.254]) by smtp.gmail.com with ESMTPSA id 62sm10377930itl.19.2016.11.10.10.19.02 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 10 Nov 2016 10:19:02 -0800 (PST) From: Mathieu Poirier To: gregkh@linuxfoundation.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 7/8] coresight: tmc: Remove duplicate memset Date: Thu, 10 Nov 2016 11:18:53 -0700 Message-Id: <1478801934-26904-8-git-send-email-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1478801934-26904-1-git-send-email-mathieu.poirier@linaro.org> References: <1478801934-26904-1-git-send-email-mathieu.poirier@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Suzuki K. Poulose" The tmc_etr_enable_hw() fills the buffer with 0's before enabling the hardware. So, we don't need an explicit memset() in tmc_enable_etr_sink_sysfs() before calling the tmc_etr_enable_hw(). This patch removes the explicit memset from tmc_enable_etr_sink_sysfs. Signed-off-by: Suzuki K Poulose Signed-off-by: Mathieu Poirier --- drivers/hwtracing/coresight/coresight-tmc-etr.c | 2 -- 1 file changed, 2 deletions(-) -- 2.7.4 diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index 3b84d0d38c22..5d312699b3b9 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-etr.c +++ b/drivers/hwtracing/coresight/coresight-tmc-etr.c @@ -150,8 +150,6 @@ static int tmc_enable_etr_sink_sysfs(struct coresight_device *csdev) drvdata->buf = drvdata->vaddr; } - memset(drvdata->vaddr, 0, drvdata->size); - drvdata->mode = CS_MODE_SYSFS; tmc_etr_enable_hw(drvdata); out: