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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id F15D5F34C5A for ; Mon, 13 Apr 2026 14:20:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=dQB7F2IjQZAV3r1Wu0i7GyOWyCOM5k/mx3gkIS0hyeo=; b=cQAuHMZYJfKhzo2AMIjF/iuap8 PNg3SL0o09hnq8ceSBQCGDviuw6FSIIdelfX9PmwT5KsPEE8DQRT1oXApNPdYjQbLV+rE6eQUZeuW lkfXnWHnx3BAwuRX//5OYcz7SyLKhEGGg/NU7QQLkWwf57fLVHdLRn59G5T2lFUBl5E+xHZO3Ty+1 556i7DZu52aRyMoJqRYt+i3CSkU0dPLejqawG+BFsRrrtztiU24sdTMqc/4fzPqzCb7lhsSOsk/VY UoI9CEY5xUEc3n+dQo4X9+Z/vO518T/CRLic0tJjg7vgewXUnxQ1sDYY9/Gv5caZWDrXM71yIePFZ b5NEQdxg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCI9G-0000000Fqa1-2kpa; Mon, 13 Apr 2026 14:20:22 +0000 Received: from foss.arm.com ([217.140.110.172]) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1wCI9E-0000000FqY8-2cdh for linux-arm-kernel@lists.infradead.org; Mon, 13 Apr 2026 14:20:21 +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 69F4B357A; Mon, 13 Apr 2026 07:20:12 -0700 (PDT) Received: from e129823.cambridge.arm.com (e129823.arm.com [10.1.197.6]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPA id 92B0E3F641; Mon, 13 Apr 2026 07:20:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss; t=1776090018; bh=y89dOKL30/Cccr8AwFxn2ESwj76yyTcN68B+uQMnXgQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IpUtQFePvJs0uqdQEDo05IfWmKOlmnKbEqi7gQaqKeY65Mr7+eJlE70m9tnfCr/hJ YEAI456Gg0M+TSXpwxvc4KS1Qnu+9ZjrciJhWLraw3TLcDVcVfTeFC3PZ/4qTYFh1F so4S3qR5NWipmDVaenz1KloHmTpvJtMProq3d3sY= From: Yeoreum Yun To: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: suzuki.poulose@arm.com, mike.leach@arm.com, james.clark@linaro.org, alexander.shishkin@linux.intel.com, leo.yan@arm.com, jie.gan@oss.qualcomm.com, Yeoreum Yun Subject: [PATCH v4 6/9] coresight: etm3x: change drvdata->spinlock type to raw_spin_lock_t Date: Mon, 13 Apr 2026 15:19:59 +0100 Message-Id: <20260413142003.3549310-7-yeoreum.yun@arm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260413142003.3549310-1-yeoreum.yun@arm.com> References: <20260413142003.3549310-1-yeoreum.yun@arm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260413_072020_749484_ABDD93F2 X-CRM114-Status: GOOD ( 14.88 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org etm_starting_cpu()/etm_dying_cpu() are called in not sleepable context. This poses an issue in PREEMPT_RT kernel where spinlock_t is sleepable. To address this, change etm3's drvdata->spinlock type to raw_spin_lock_t. This will be good to align with etm4x. Signed-off-by: Yeoreum Yun --- drivers/hwtracing/coresight/coresight-etm.h | 2 +- .../coresight/coresight-etm3x-core.c | 18 +-- .../coresight/coresight-etm3x-sysfs.c | 130 +++++++++--------- 3 files changed, 75 insertions(+), 75 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-etm.h b/drivers/hwtracing/coresight/coresight-etm.h index 1d753cca2943..40f20daded4f 100644 --- a/drivers/hwtracing/coresight/coresight-etm.h +++ b/drivers/hwtracing/coresight/coresight-etm.h @@ -232,7 +232,7 @@ struct etm_drvdata { struct csdev_access csa; struct clk *atclk; struct coresight_device *csdev; - spinlock_t spinlock; + raw_spinlock_t spinlock; int cpu; int port_size; u8 arch; diff --git a/drivers/hwtracing/coresight/coresight-etm3x-core.c b/drivers/hwtracing/coresight/coresight-etm3x-core.c index a547a6d2e0bd..4a702b515733 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x-core.c +++ b/drivers/hwtracing/coresight/coresight-etm3x-core.c @@ -511,7 +511,7 @@ static int etm_enable_sysfs(struct coresight_device *csdev, struct coresight_pat struct etm_enable_arg arg = { }; int ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); drvdata->traceid = path->trace_id; @@ -534,7 +534,7 @@ static int etm_enable_sysfs(struct coresight_device *csdev, struct coresight_pat if (ret) etm_release_trace_id(drvdata); - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); if (!ret) dev_dbg(&csdev->dev, "ETM tracing enabled\n"); @@ -634,7 +634,7 @@ static void etm_disable_sysfs(struct coresight_device *csdev) * DYING hotplug callback is serviced by the ETM driver. */ cpus_read_lock(); - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); /* * Executing etm_disable_hw on the cpu whose ETM is being disabled @@ -643,7 +643,7 @@ static void etm_disable_sysfs(struct coresight_device *csdev) smp_call_function_single(drvdata->cpu, etm_disable_sysfs_smp_call, drvdata, 1); - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); cpus_read_unlock(); /* @@ -709,7 +709,7 @@ static int etm_starting_cpu(unsigned int cpu) if (!etmdrvdata[cpu]) return 0; - spin_lock(&etmdrvdata[cpu]->spinlock); + raw_spin_lock(&etmdrvdata[cpu]->spinlock); if (!etmdrvdata[cpu]->os_unlock) { etm_os_unlock(etmdrvdata[cpu]); etmdrvdata[cpu]->os_unlock = true; @@ -717,7 +717,7 @@ static int etm_starting_cpu(unsigned int cpu) if (coresight_get_mode(etmdrvdata[cpu]->csdev)) etm_enable_hw(etmdrvdata[cpu]); - spin_unlock(&etmdrvdata[cpu]->spinlock); + raw_spin_unlock(&etmdrvdata[cpu]->spinlock); return 0; } @@ -726,10 +726,10 @@ static int etm_dying_cpu(unsigned int cpu) if (!etmdrvdata[cpu]) return 0; - spin_lock(&etmdrvdata[cpu]->spinlock); + raw_spin_lock(&etmdrvdata[cpu]->spinlock); if (coresight_get_mode(etmdrvdata[cpu]->csdev)) etm_disable_hw(etmdrvdata[cpu]); - spin_unlock(&etmdrvdata[cpu]->spinlock); + raw_spin_unlock(&etmdrvdata[cpu]->spinlock); return 0; } @@ -856,7 +856,7 @@ static int etm_probe(struct amba_device *adev, const struct amba_id *id) desc.access = drvdata->csa = CSDEV_ACCESS_IOMEM(base); - spin_lock_init(&drvdata->spinlock); + raw_spin_lock_init(&drvdata->spinlock); drvdata->atclk = devm_clk_get_optional_enabled(dev, "atclk"); if (IS_ERR(drvdata->atclk)) diff --git a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c index 762109307b86..42b12c33516b 100644 --- a/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-etm3x-sysfs.c @@ -49,13 +49,13 @@ static ssize_t etmsr_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); pm_runtime_get_sync(dev->parent); - spin_lock_irqsave(&drvdata->spinlock, flags); + raw_spin_lock_irqsave(&drvdata->spinlock, flags); CS_UNLOCK(drvdata->csa.base); val = etm_readl(drvdata, ETMSR); CS_LOCK(drvdata->csa.base); - spin_unlock_irqrestore(&drvdata->spinlock, flags); + raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); pm_runtime_put(dev->parent); return sprintf(buf, "%#lx\n", val); @@ -76,7 +76,7 @@ static ssize_t reset_store(struct device *dev, return ret; if (val) { - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); memset(config, 0, sizeof(struct etm_config)); config->mode = ETM_MODE_EXCLUDE; config->trigger_event = ETM_DEFAULT_EVENT_VAL; @@ -86,7 +86,7 @@ static ssize_t reset_store(struct device *dev, etm_set_default(config); etm_release_trace_id(drvdata); - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); } return size; @@ -117,7 +117,7 @@ static ssize_t mode_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->mode = val & ETM_MODE_ALL; if (config->mode & ETM_MODE_EXCLUDE) @@ -168,12 +168,12 @@ static ssize_t mode_store(struct device *dev, if (config->mode & (ETM_MODE_EXCL_KERN | ETM_MODE_EXCL_USER)) etm_config_trace_mode(config); - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; err_unlock: - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return ret; } static DEVICE_ATTR_RW(mode); @@ -299,9 +299,9 @@ static ssize_t addr_idx_store(struct device *dev, * Use spinlock to ensure index doesn't change while it gets * dereferenced multiple times within a spinlock block elsewhere. */ - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->addr_idx = val; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -315,16 +315,16 @@ static ssize_t addr_single_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); idx = config->addr_idx; if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || config->addr_type[idx] == ETM_ADDR_TYPE_SINGLE)) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EINVAL; } val = config->addr_val[idx]; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return sprintf(buf, "%#lx\n", val); } @@ -343,17 +343,17 @@ static ssize_t addr_single_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); idx = config->addr_idx; if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || config->addr_type[idx] == ETM_ADDR_TYPE_SINGLE)) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EINVAL; } config->addr_val[idx] = val; config->addr_type[idx] = ETM_ADDR_TYPE_SINGLE; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -367,23 +367,23 @@ static ssize_t addr_range_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); idx = config->addr_idx; if (idx % 2 != 0) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EPERM; } if (!((config->addr_type[idx] == ETM_ADDR_TYPE_NONE && config->addr_type[idx + 1] == ETM_ADDR_TYPE_NONE) || (config->addr_type[idx] == ETM_ADDR_TYPE_RANGE && config->addr_type[idx + 1] == ETM_ADDR_TYPE_RANGE))) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EPERM; } val1 = config->addr_val[idx]; val2 = config->addr_val[idx + 1]; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return sprintf(buf, "%#lx %#lx\n", val1, val2); } @@ -403,17 +403,17 @@ static ssize_t addr_range_store(struct device *dev, if (val1 > val2) return -EINVAL; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); idx = config->addr_idx; if (idx % 2 != 0) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EPERM; } if (!((config->addr_type[idx] == ETM_ADDR_TYPE_NONE && config->addr_type[idx + 1] == ETM_ADDR_TYPE_NONE) || (config->addr_type[idx] == ETM_ADDR_TYPE_RANGE && config->addr_type[idx + 1] == ETM_ADDR_TYPE_RANGE))) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EPERM; } @@ -422,7 +422,7 @@ static ssize_t addr_range_store(struct device *dev, config->addr_val[idx + 1] = val2; config->addr_type[idx + 1] = ETM_ADDR_TYPE_RANGE; config->enable_ctrl1 |= (1 << (idx/2)); - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -436,16 +436,16 @@ static ssize_t addr_start_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); idx = config->addr_idx; if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || config->addr_type[idx] == ETM_ADDR_TYPE_START)) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EPERM; } val = config->addr_val[idx]; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return sprintf(buf, "%#lx\n", val); } @@ -464,11 +464,11 @@ static ssize_t addr_start_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); idx = config->addr_idx; if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || config->addr_type[idx] == ETM_ADDR_TYPE_START)) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EPERM; } @@ -476,7 +476,7 @@ static ssize_t addr_start_store(struct device *dev, config->addr_type[idx] = ETM_ADDR_TYPE_START; config->startstop_ctrl |= (1 << idx); config->enable_ctrl1 |= ETMTECR1_START_STOP; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -490,16 +490,16 @@ static ssize_t addr_stop_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); idx = config->addr_idx; if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || config->addr_type[idx] == ETM_ADDR_TYPE_STOP)) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EPERM; } val = config->addr_val[idx]; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return sprintf(buf, "%#lx\n", val); } @@ -518,11 +518,11 @@ static ssize_t addr_stop_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); idx = config->addr_idx; if (!(config->addr_type[idx] == ETM_ADDR_TYPE_NONE || config->addr_type[idx] == ETM_ADDR_TYPE_STOP)) { - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return -EPERM; } @@ -530,7 +530,7 @@ static ssize_t addr_stop_store(struct device *dev, config->addr_type[idx] = ETM_ADDR_TYPE_STOP; config->startstop_ctrl |= (1 << (idx + 16)); config->enable_ctrl1 |= ETMTECR1_START_STOP; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -543,9 +543,9 @@ static ssize_t addr_acctype_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); val = config->addr_acctype[config->addr_idx]; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return sprintf(buf, "%#lx\n", val); } @@ -563,9 +563,9 @@ static ssize_t addr_acctype_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->addr_acctype[config->addr_idx] = val; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -601,9 +601,9 @@ static ssize_t cntr_idx_store(struct device *dev, * Use spinlock to ensure index doesn't change while it gets * dereferenced multiple times within a spinlock block elsewhere. */ - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->cntr_idx = val; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -616,9 +616,9 @@ static ssize_t cntr_rld_val_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); val = config->cntr_rld_val[config->cntr_idx]; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return sprintf(buf, "%#lx\n", val); } @@ -636,9 +636,9 @@ static ssize_t cntr_rld_val_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->cntr_rld_val[config->cntr_idx] = val; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -651,9 +651,9 @@ static ssize_t cntr_event_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); val = config->cntr_event[config->cntr_idx]; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return sprintf(buf, "%#lx\n", val); } @@ -671,9 +671,9 @@ static ssize_t cntr_event_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->cntr_event[config->cntr_idx] = val & ETM_EVENT_MASK; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -686,9 +686,9 @@ static ssize_t cntr_rld_event_show(struct device *dev, struct etm_drvdata *drvdata = dev_get_drvdata(dev->parent); struct etm_config *config = &drvdata->config; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); val = config->cntr_rld_event[config->cntr_idx]; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return sprintf(buf, "%#lx\n", val); } @@ -706,9 +706,9 @@ static ssize_t cntr_rld_event_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->cntr_rld_event[config->cntr_idx] = val & ETM_EVENT_MASK; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -723,11 +723,11 @@ static ssize_t cntr_val_show(struct device *dev, struct etm_config *config = &drvdata->config; if (!coresight_get_mode(drvdata->csdev)) { - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); for (i = 0; i < drvdata->nr_cntr; i++) ret += sprintf(buf, "counter %d: %x\n", i, config->cntr_val[i]); - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return ret; } @@ -752,9 +752,9 @@ static ssize_t cntr_val_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->cntr_val[config->cntr_idx] = val; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -947,13 +947,13 @@ static ssize_t seq_curr_state_show(struct device *dev, } pm_runtime_get_sync(dev->parent); - spin_lock_irqsave(&drvdata->spinlock, flags); + raw_spin_lock_irqsave(&drvdata->spinlock, flags); CS_UNLOCK(drvdata->csa.base); val = (etm_readl(drvdata, ETMSQR) & ETM_SQR_MASK); CS_LOCK(drvdata->csa.base); - spin_unlock_irqrestore(&drvdata->spinlock, flags); + raw_spin_unlock_irqrestore(&drvdata->spinlock, flags); pm_runtime_put(dev->parent); out: return sprintf(buf, "%#lx\n", val); @@ -1012,9 +1012,9 @@ static ssize_t ctxid_idx_store(struct device *dev, * Use spinlock to ensure index doesn't change while it gets * dereferenced multiple times within a spinlock block elsewhere. */ - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->ctxid_idx = val; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } @@ -1034,9 +1034,9 @@ static ssize_t ctxid_pid_show(struct device *dev, if (task_active_pid_ns(current) != &init_pid_ns) return -EINVAL; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); val = config->ctxid_pid[config->ctxid_idx]; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return sprintf(buf, "%#lx\n", val); } @@ -1066,9 +1066,9 @@ static ssize_t ctxid_pid_store(struct device *dev, if (ret) return ret; - spin_lock(&drvdata->spinlock); + raw_spin_lock(&drvdata->spinlock); config->ctxid_pid[config->ctxid_idx] = pid; - spin_unlock(&drvdata->spinlock); + raw_spin_unlock(&drvdata->spinlock); return size; } -- LEVI:{C3F47F37-75D8-414A-A8BA-3980EC8A46D7}