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=-9.0 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 BC6DDC18E7D for ; Wed, 22 May 2019 10:36:54 +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 9131E217D4 for ; Wed, 22 May 2019 10:36:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="rwQeGhSr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9131E217D4 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:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: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=8kc87jK736k9r2iIA3uUzQFWbOijyYw+Hvp6oFtLt9A=; b=rwQeGhSrC2BFj6OUCaTeUf63dx HtvjTvl7kbLckpVfxFteIljmGsXODDpWfS61wAvQsDTqWxnQcXgUgygb/Ru1ALy43x14jwLq0/zmt VILgKOYEOq8+Nm0pg5c57m+VYZGYPjnp2oMBvVpfQGwtSUMkECacW9/vnVT+RAo7dOtvFHW498rRh G+OsVHVAdaZAwQ5f8CrkBPSYRAAbnXNW1YCskH3wfNUL7T9ZRT95B6dnsQKXlYxUF+6QTBirARyMd QQf3l7rv0iYj2G9OzVExyz22BMV8utNf4Wvav9t8HB04PGbf4JNrHLEbZTIQ4xk+xTFz68KFh/ZX6 YeG9sq7w==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hTOc1-0006SZ-FZ; Wed, 22 May 2019 10:36:45 +0000 Received: from foss.arm.com ([217.140.101.70]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hTOal-0004nv-Bg for linux-arm-kernel@lists.infradead.org; Wed, 22 May 2019 10:35:32 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 30D681682; Wed, 22 May 2019 03:35:27 -0700 (PDT) Received: from en101.cambridge.arm.com (en101.cambridge.arm.com [10.1.196.93]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 216073F575; Wed, 22 May 2019 03:35:25 -0700 (PDT) From: Suzuki K Poulose To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 07/30] coresight: etm: Clean up device specific data Date: Wed, 22 May 2019 11:34:40 +0100 Message-Id: <1558521304-27469-8-git-send-email-suzuki.poulose@arm.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1558521304-27469-1-git-send-email-suzuki.poulose@arm.com> References: <1558521304-27469-1-git-send-email-suzuki.poulose@arm.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190522_033527_853783_2A4798FC X-CRM114-Status: GOOD ( 14.66 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: coresight@lists.linaro.org, linux-kernel@vger.kernel.org, mathieu.poirier@linaro.org, Suzuki K Poulose MIME-Version: 1.0 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 Track the coresight device instead of the real device. Reviewed-by: Mathieu Poirier Signed-off-by: Suzuki K Poulose --- drivers/hwtracing/coresight/coresight-etm.h | 6 ++---- .../hwtracing/coresight/coresight-etm3x-sysfs.c | 12 ++++++------ drivers/hwtracing/coresight/coresight-etm3x.c | 22 ++++++++++++---------- drivers/hwtracing/coresight/coresight-etm4x.c | 17 +++++++++-------- drivers/hwtracing/coresight/coresight-etm4x.h | 2 -- 5 files changed, 29 insertions(+), 30 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-etm.h b/drivers/hwtracing/coresight/coresight-etm.h index 79e1ad8..f3ab96e 100644 --- a/drivers/hwtracing/coresight/coresight-etm.h +++ b/drivers/hwtracing/coresight/coresight-etm.h @@ -208,7 +208,6 @@ struct etm_config { /** * struct etm_drvdata - specifics associated to an ETM component * @base: memory mapped base address for this component. - * @dev: the device entity associated to this component. * @atclk: optional clock for the core parts of the ETM. * @csdev: component vitals needed by the framework. * @spinlock: only one at a time pls. @@ -232,7 +231,6 @@ struct etm_config { */ struct etm_drvdata { void __iomem *base; - struct device *dev; struct clk *atclk; struct coresight_device *csdev; spinlock_t spinlock; @@ -260,7 +258,7 @@ static inline void etm_writel(struct etm_drvdata *drvdata, { if (drvdata->use_cp14) { if (etm_writel_cp14(off, val)) { - dev_err(drvdata->dev, + dev_err(&drvdata->csdev->dev, "invalid CP14 access to ETM reg: %#x", off); } } else { @@ -274,7 +272,7 @@ static inline unsigned int etm_readl(struct etm_drvdata *drvdata, u32 off) if (drvdata->use_cp14) { if (etm_readl_cp14(off, &val)) { - dev_err(drvdata->dev, + dev_err(&drvdata->csdev->dev, "invalid CP14 access to ETM reg: %#x", off); } } else { diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c index 75487b3..e8c7649 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c @@ -48,7 +48,7 @@ static ssize_t etmsr_show(struct device *dev, unsigned long flags, val; struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); - pm_runtime_get_sync(drvdata->dev); + pm_runtime_get_sync(dev->parent); spin_lock_irqsave(&drvdata->spinlock, flags); CS_UNLOCK(drvdata->base); @@ -56,7 +56,7 @@ static ssize_t etmsr_show(struct device *dev, CS_LOCK(drvdata->base); spin_unlock_irqrestore(&drvdata->spinlock, flags); - pm_runtime_put(drvdata->dev); + pm_runtime_put(dev->parent); return sprintf(buf, "%#lx\n", val); } @@ -131,7 +131,7 @@ static ssize_t mode_store(struct device *dev, if (config->mode & ETM_MODE_STALL) { if (!(drvdata->etmccr & ETMCCR_FIFOFULL)) { - dev_warn(drvdata->dev, "stall mode not supported\n"); + dev_warn(dev, "stall mode not supported\n"); ret = -EINVAL; goto err_unlock; } @@ -141,7 +141,7 @@ static ssize_t mode_store(struct device *dev, if (config->mode & ETM_MODE_TIMESTAMP) { if (!(drvdata->etmccer & ETMCCER_TIMESTAMP)) { - dev_warn(drvdata->dev, "timestamp not supported\n"); + dev_warn(dev, "timestamp not supported\n"); ret = -EINVAL; goto err_unlock; } @@ -945,7 +945,7 @@ static ssize_t seq_curr_state_show(struct device *dev, goto out; } - pm_runtime_get_sync(drvdata->dev); + pm_runtime_get_sync(dev->parent); spin_lock_irqsave(&drvdata->spinlock, flags); CS_UNLOCK(drvdata->base); @@ -953,7 +953,7 @@ static ssize_t seq_curr_state_show(struct device *dev, CS_LOCK(drvdata->base); spin_unlock_irqrestore(&drvdata->spinlock, flags); - pm_runtime_put(drvdata->dev); + pm_runtime_put(dev->parent); out: return sprintf(buf, "%#lx\n", val); } diff --git a/drivers/hwtracing/coresight/coresight-etm3x.c b/drivers/hwtracing/coresight/coresight-etm3x.c index be302ec..9c92491 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x.c +++ b/drivers/hwtracing/coresight/coresight-etm3x.c @@ -165,7 +165,7 @@ static void etm_set_prog(struct etm_drvdata *drvdata) */ isb(); if (coresight_timeout_etm(drvdata, ETMSR, ETMSR_PROG_BIT, 1)) { - dev_err(drvdata->dev, + dev_err(&drvdata->csdev->dev, "%s: timeout observed when probing at offset %#x\n", __func__, ETMSR); } @@ -184,7 +184,7 @@ static void etm_clr_prog(struct etm_drvdata *drvdata) */ isb(); if (coresight_timeout_etm(drvdata, ETMSR, ETMSR_PROG_BIT, 0)) { - dev_err(drvdata->dev, + dev_err(&drvdata->csdev->dev, "%s: timeout observed when probing at offset %#x\n", __func__, ETMSR); } @@ -425,7 +425,7 @@ static int etm_enable_hw(struct etm_drvdata *drvdata) done: CS_LOCK(drvdata->base); - dev_dbg(drvdata->dev, "cpu: %d enable smp call done: %d\n", + dev_dbg(&drvdata->csdev->dev, "cpu: %d enable smp call done: %d\n", drvdata->cpu, rc); return rc; } @@ -455,6 +455,7 @@ int etm_get_trace_id(struct etm_drvdata *drvdata) { unsigned long flags; int trace_id = -1; + struct device *etm_dev = drvdata->csdev->dev.parent; if (!drvdata) goto out; @@ -462,7 +463,7 @@ int etm_get_trace_id(struct etm_drvdata *drvdata) if (!local_read(&drvdata->mode)) return drvdata->traceid; - pm_runtime_get_sync(drvdata->dev); + pm_runtime_get_sync(etm_dev); spin_lock_irqsave(&drvdata->spinlock, flags); @@ -471,7 +472,7 @@ int etm_get_trace_id(struct etm_drvdata *drvdata) CS_LOCK(drvdata->base); spin_unlock_irqrestore(&drvdata->spinlock, flags); - pm_runtime_put(drvdata->dev); + pm_runtime_put(etm_dev); out: return trace_id; @@ -526,7 +527,7 @@ static int etm_enable_sysfs(struct coresight_device *csdev) spin_unlock(&drvdata->spinlock); if (!ret) - dev_dbg(drvdata->dev, "ETM tracing enabled\n"); + dev_dbg(&csdev->dev, "ETM tracing enabled\n"); return ret; } @@ -581,7 +582,8 @@ static void etm_disable_hw(void *info) CS_LOCK(drvdata->base); - dev_dbg(drvdata->dev, "cpu: %d disable smp call done\n", drvdata->cpu); + dev_dbg(&drvdata->csdev->dev, + "cpu: %d disable smp call done\n", drvdata->cpu); } static void etm_disable_perf(struct coresight_device *csdev) @@ -628,7 +630,7 @@ static void etm_disable_sysfs(struct coresight_device *csdev) spin_unlock(&drvdata->spinlock); cpus_read_unlock(); - dev_dbg(drvdata->dev, "ETM tracing disabled\n"); + dev_dbg(&csdev->dev, "ETM tracing disabled\n"); } static void etm_disable(struct coresight_device *csdev, @@ -803,7 +805,6 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id) drvdata->use_cp14 = of_property_read_bool(np, "arm,cp14"); } - drvdata->dev = &adev->dev; dev_set_drvdata(dev, drvdata); /* Validity for the resource is already checked by the AMBA core */ @@ -871,7 +872,8 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id) } pm_runtime_put(&adev->dev); - dev_info(dev, "%s initialized\n", (char *)coresight_get_uci_data(id)); + dev_info(&drvdata->csdev->dev, + "%s initialized\n", (char *)coresight_get_uci_data(id)); if (boot_enable) { coresight_enable(drvdata->csdev); drvdata->boot_enable = true; diff --git a/drivers/hwtracing/coresight/coresight-etm4x.c b/drivers/hwtracing/coresight/coresight-etm4x.c index 8bb0092..77d1d837 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.c +++ b/drivers/hwtracing/coresight/coresight-etm4x.c @@ -88,6 +88,7 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata) { int i, rc; struct etmv4_config *config = &drvdata->config; + struct device *etm_dev = &drvdata->csdev->dev; CS_UNLOCK(drvdata->base); @@ -102,7 +103,7 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata) /* wait for TRCSTATR.IDLE to go up */ if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 1)) - dev_err(drvdata->dev, + dev_err(etm_dev, "timeout while waiting for Idle Trace Status\n"); writel_relaxed(config->pe_sel, drvdata->base + TRCPROCSELR); @@ -184,13 +185,13 @@ static int etm4_enable_hw(struct etmv4_drvdata *drvdata) /* wait for TRCSTATR.IDLE to go back down to '0' */ if (coresight_timeout(drvdata->base, TRCSTATR, TRCSTATR_IDLE_BIT, 0)) - dev_err(drvdata->dev, + dev_err(etm_dev, "timeout while waiting for Idle Trace Status\n"); done: CS_LOCK(drvdata->base); - dev_dbg(drvdata->dev, "cpu: %d enable smp call done: %d\n", + dev_dbg(etm_dev, "cpu: %d enable smp call done: %d\n", drvdata->cpu, rc); return rc; } @@ -400,7 +401,7 @@ static int etm4_enable_sysfs(struct coresight_device *csdev) spin_unlock(&drvdata->spinlock); if (!ret) - dev_dbg(drvdata->dev, "ETM tracing enabled\n"); + dev_dbg(&csdev->dev, "ETM tracing enabled\n"); return ret; } @@ -461,7 +462,8 @@ static void etm4_disable_hw(void *info) CS_LOCK(drvdata->base); - dev_dbg(drvdata->dev, "cpu: %d disable smp call done\n", drvdata->cpu); + dev_dbg(&drvdata->csdev->dev, + "cpu: %d disable smp call done\n", drvdata->cpu); } static int etm4_disable_perf(struct coresight_device *csdev, @@ -511,7 +513,7 @@ static void etm4_disable_sysfs(struct coresight_device *csdev) spin_unlock(&drvdata->spinlock); cpus_read_unlock(); - dev_dbg(drvdata->dev, "ETM tracing disabled\n"); + dev_dbg(&csdev->dev, "ETM tracing disabled\n"); } static void etm4_disable(struct coresight_device *csdev, @@ -1095,7 +1097,6 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id) adev->dev.platform_data = pdata; } - drvdata->dev = &adev->dev; dev_set_drvdata(dev, drvdata); /* Validity for the resource is already checked by the AMBA core */ @@ -1157,7 +1158,7 @@ static int etm4_probe(struct amba_device *adev, const struct amba_id *id) } pm_runtime_put(&adev->dev); - dev_info(dev, "CPU%d: ETM v%d.%d initialized\n", + dev_info(&drvdata->csdev->dev, "CPU%d: ETM v%d.%d initialized\n", drvdata->cpu, drvdata->arch >> 4, drvdata->arch & 0xf); if (boot_enable) { diff --git a/drivers/hwtracing/coresight/coresight-etm4x.h b/drivers/hwtracing/coresight/coresight-etm4x.h index 52786e9..4523f10 100644 --- a/drivers/hwtracing/coresight/coresight-etm4x.h +++ b/drivers/hwtracing/coresight/coresight-etm4x.h @@ -284,7 +284,6 @@ struct etmv4_config { /** * struct etm4_drvdata - specifics associated to an ETM component * @base: Memory mapped base address for this component. - * @dev: The device entity associated to this component. * @csdev: Component vitals needed by the framework. * @spinlock: Only one at a time pls. * @mode: This tracer's mode, i.e sysFS, Perf or disabled. @@ -340,7 +339,6 @@ struct etmv4_config { */ struct etmv4_drvdata { void __iomem *base; - struct device *dev; struct coresight_device *csdev; spinlock_t spinlock; local_t mode; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel