From patchwork Mon Nov 30 02:14:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mathieu Poirier X-Patchwork-Id: 57422 Delivered-To: patch@linaro.org Received: by 10.112.155.196 with SMTP id vy4csp1180983lbb; Sun, 29 Nov 2015 18:21:29 -0800 (PST) X-Received: by 10.98.73.13 with SMTP id w13mr66059291pfa.72.1448850089041; Sun, 29 Nov 2015 18:21:29 -0800 (PST) Return-Path: Received: from bombadil.infradead.org (bombadil.infradead.org. [2001:1868:205::9]) by mx.google.com with ESMTPS id fi15si13275340pac.191.2015.11.29.18.21.28 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sun, 29 Nov 2015 18:21:29 -0800 (PST) Received-SPF: pass (google.com: domain of linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org designates 2001:1868:205::9 as permitted sender) client-ip=2001:1868:205::9; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org designates 2001:1868:205::9 as permitted sender) smtp.mailfrom=linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org; dkim=neutral (body hash did not verify) header.i=@linaro-org.20150623.gappssmtp.com Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1a3E4q-0000Sv-SQ; Mon, 30 Nov 2015 02:20:28 +0000 Received: from mail-pa0-x22f.google.com ([2607:f8b0:400e:c03::22f]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1a3E1h-0005cI-RG for linux-arm-kernel@lists.infradead.org; Mon, 30 Nov 2015 02:17:15 +0000 Received: by pabfh17 with SMTP id fh17so173108949pab.0 for ; Sun, 29 Nov 2015 18:16:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro-org.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=to2iS3FFmyXZ5mFtKJIHtDJ5bGUEY24ZGOgWI36qGWw=; b=cs5JZwuNnSf8s019TZ854CmWVS7iG0+6G+Db7GKWao9XYdZeCg/S1ZHugFvrIU4gDn bFXT1tVptVRJTHu74zqp6f9WSDEHcn5HP+GF39PFAfSkbyawoUZN9SIPYp0G0zB3RXAy PhoUq1262a14r1b4P32ytqQFx8hBXkFmSJrFSwankfEWUdP5VIjdKmtbS7dZoJBRzgS1 zzKCj6RYUuXZGAhDHnTbAsOKRhdPjJTfb1Z3fgZ+dCk/iApgC2YBgnsA2hxfugeYpu2J Bq3N53sQdaCgJBmwV6letC7QaldWWX/N4qpt8fP8DT9v0deZj1sRt+C6EGxOQfQQQYc/ IyNQ== 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=to2iS3FFmyXZ5mFtKJIHtDJ5bGUEY24ZGOgWI36qGWw=; b=UQ47gM1Br3GymMUBPSdipKzO8IBiYil7Vc3IUQNnZjtGLtMOZ4Zpzp34SXAAWv04rr qJc1jeGDYpSREkUthEHPH2iyUK5Va5BXrDMqCaTsuU0CJN3LeAF6cIjQrR0BSBP2lBg1 04fASH1XIs+Lk1vDYN9ORcTzZ3m0myQUoCSR4fZHfkoBenVuKB/zNP+m9YVZK17KaRkH GvzTZgoc8uZQe+NFAYH3Jn7qLkEl7gS/8F+sepHc3eT0kMCyvLBlmXo4lRawkY3SqPX0 fZPXdFFB70QLRySSJ1XzOjSQOmUlMBLvmrsZamXeWcgtWQNL051YPPs9RWf5H5NS0VAI YZ0A== X-Gm-Message-State: ALoCoQkaJWBz+kybzUQsoufjwAhjTNSjs4PloGTx2vXEEvHOBRL0rJUj8lhIon3hDSXjSfO9aGKS X-Received: by 10.98.66.152 with SMTP id h24mr67769703pfd.52.1448849813455; Sun, 29 Nov 2015 18:16:53 -0800 (PST) Received: from t430.cg.shawcable.net ([184.64.168.246]) by smtp.gmail.com with ESMTPSA id n16sm47168818pfa.53.2015.11.29.18.16.51 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Sun, 29 Nov 2015 18:16:52 -0800 (PST) From: Mathieu Poirier To: gregkh@linuxfoundation.org, alexander.shishkin@linux.intel.com Subject: [PATCH V5 12/26] coresight: etm3x: consolidating initial config Date: Sun, 29 Nov 2015 19:14:33 -0700 Message-Id: <1448849687-5724-13-git-send-email-mathieu.poirier@linaro.org> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1448849687-5724-1-git-send-email-mathieu.poirier@linaro.org> References: <1448849687-5724-1-git-send-email-mathieu.poirier@linaro.org> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151129_181714_115050_D6A7E43C X-CRM114-Status: GOOD ( 12.56 ) X-Spam-Score: -2.6 (--) X-Spam-Report: SpamAssassin version 3.4.0 on bombadil.infradead.org summary: Content analysis details: (-2.6 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.7 RCVD_IN_DNSWL_LOW RBL: Sender listed at http://www.dnswl.org/, low trust [2607:f8b0:400e:c03:0:0:0:22f listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: al.grant@arm.com, Mathieu Poirier , pawel.moll@arm.com, linux-doc@vger.kernel.org, fainelli@broadcom.com, linux-kernel@vger.kernel.org, tor@ti.com, mike.leach@arm.com, zhang.chunyan@linaro.org, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patch=linaro.org@lists.infradead.org There is really no point in having two functions to take care of doing the initials tracer configuration. As such moving everything to 'etm_set_default()'. Signed-off-by: Mathieu Poirier --- drivers/hwtracing/coresight/coresight-etm3x.c | 37 ++++++++++----------------- 1 file changed, 14 insertions(+), 23 deletions(-) -- 2.1.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c index cfaf8e840bd6..14927da0f6ba 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x.c +++ b/drivers/hwtracing/coresight/coresight-etm3x.c @@ -41,7 +41,6 @@ module_param_named(boot_enable, boot_enable, int, S_IRUGO); /* The number of ETM/PTM currently registered */ static int etm_count; static struct etm_drvdata *etmdrvdata[NR_CPUS]; -static void etm_init_default_data(struct etm_config *config); /* * Memory mapped writes to clear os lock are not supported on some processors @@ -199,7 +198,7 @@ struct etm_config *get_etm_config(struct etm_drvdata *drvdata) return NULL; /* Set default config */ - etm_init_default_data(config); + etm_set_default(config); drvdata->config = config; out: return drvdata->config; @@ -212,6 +211,19 @@ void etm_set_default(struct etm_config *config) if (WARN_ON_ONCE(!config)) return; + /* + * Taken verbatim from the TRM: + * + * To trace all memory: + * set bit [24] in register 0x009, the ETMTECR1, to 1 + * set all other bits in register 0x009, the ETMTECR1, to 0 + * set all bits in register 0x007, the ETMTECR2, to 0 + * set register 0x008, the ETMTEEVR, to 0x6F (TRUE). + */ + config->enable_ctrl1 = BIT(24); + config->enable_ctrl2 = 0x0; + config->enable_event = ETM_HARD_WIRE_RES_A; + config->trigger_event = ETM_DEFAULT_EVENT_VAL; config->enable_event = ETM_HARD_WIRE_RES_A; @@ -606,27 +618,6 @@ static void etm_init_arch_data(void *info) CS_LOCK(drvdata->base); } -static void etm_init_default_data(struct etm_config *config) -{ - if (WARN_ON_ONCE(!config)) - return; - - etm_set_default(config); - - /* - * Taken verbatim from the TRM: - * - * To trace all memory: - * set bit [24] in register 0x009, the ETMTECR1, to 1 - * set all other bits in register 0x009, the ETMTECR1, to 0 - * set all bits in register 0x007, the ETMTECR2, to 0 - * set register 0x008, the ETMTEEVR, to 0x6F (TRUE). - */ - config->enable_ctrl1 = BIT(24); - config->enable_ctrl2 = 0x0; - config->enable_event = ETM_HARD_WIRE_RES_A; -} - static void etm_init_trace_id(struct etm_drvdata *drvdata) { /*