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=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=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 96170C31E51 for ; Tue, 18 Jun 2019 13:02:19 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 6BCDB20665 for ; Tue, 18 Jun 2019 13:02:19 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ugXYMB1O" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 6BCDB20665 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=dqGEm+K+pdH3IMx6SOEWuniZqt/JhQHZPG2GNr6ZECQ=; b=ugXYMB1OSvSK+4 Cx+oycWg1pWDK0bkg7x2LZj+LAx6m1tyEUixP6mkWP2M7Nbl02FyG8k4Mn6+REx94lZ58ZUsIBxkP IBAwut5bEwpcAHStZE0hFtsiqeXflcGcLzBMVca+WArKS+gpyZIPa2rjhwAYLEZ/WuaFOmhykVDEE I9+MVL/JkAS8vf1YW+c6dfPeNWRyIdeY6vqU1ByeVVvTwmdQ2ci77Kr3+jCe0N4CcY1guZBJpiRmH eZzaiftNiyANJbSEL3jqIjFt400OS1nneJCY5TwISQw6hZK7t1FSt5W9a6Kg98HWbX2lie6vBGsGw VS83T2fMVbgC2mK4YA/w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hdDkd-0005TJ-Vb; Tue, 18 Jun 2019 13:02:16 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hdDdQ-0001kp-DU for linux-arm-kernel@lists.infradead.org; Tue, 18 Jun 2019 12:54:49 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id DD93C2B; Tue, 18 Jun 2019 05:54:47 -0700 (PDT) Received: from e119886-lin.cambridge.arm.com (unknown [10.37.6.20]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id EEAEB3F246; Tue, 18 Jun 2019 05:54:46 -0700 (PDT) From: Andrew Murray To: Mathieu Poirier , Suzuki K Poulose , Alexander Shishkin Subject: [PATCH v1 4/5] coresight: etm4x: improve clarity of etm4_os_unlock comment Date: Tue, 18 Jun 2019 13:54:32 +0100 Message-Id: <20190618125433.9739-5-andrew.murray@arm.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190618125433.9739-1-andrew.murray@arm.com> References: <20190618125433.9739-1-andrew.murray@arm.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190618_055448_540145_51C7D00A X-CRM114-Status: GOOD ( 11.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org To improve clarity, let's update the comment for etm4_os_unlock to use the name of the register as per the ETM architecture specification. Signed-off-by: Andrew Murray --- drivers/hwtracing/coresight/coresight-etm4x.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 885c4f2c691c..bda90d4cd62b 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -47,7 +47,7 @@ static enum cpuhp_state hp_online; static void etm4_os_unlock(struct etmv4_drvdata *drvdata) { - /* Writing any value to ETMOSLAR unlocks the trace registers */ + /* Writing 0 to TRCOSLAR unlocks the trace registers */ writel_relaxed(0x0, drvdata->base + TRCOSLAR); drvdata->os_unlock = true; isb(); -- 2.21.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel