From patchwork Wed Mar 17 09:41:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "liuqi (BA)" X-Patchwork-Id: 12145323 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=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 66963C433E0 for ; Wed, 17 Mar 2021 09:46:21 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (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 BD77864F5E for ; Wed, 17 Mar 2021 09:46:20 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org BD77864F5E Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+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=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-ID:Date: Subject:CC:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=m1cmcaNasfZS8QcKY6Orqk/yahSeQYbgB8kAoy3tElU=; b=dexuNQp+U6zorf5iS3S0ZM6rj DTfqt8uHJ/rJ7KzhPYNdZVrnS+ZRwh35cVCRU7N3b67Tzhjhj+UimzM9fDPvF5ufZRggs4VjP5Wti 533/n8z24bJ0yC34+kLkkCbvRAZS5Mjsnjv4Pkm0I6s7cqRAnWNf4jWe+43GmWJRQ58QFSn4+OYBw P02THvnWVZrZe7K991DueJ5sGa2ZIRZPHq+I57WWy2oR2gE9Y78wmqnEwWnWNgy1JDX+YY8HVSfSu FelaupV7JCjrHFsRGeBKR/Az7zdT+2tc0d3I9e2/Gzv5whpBYdEbgMgUHAE8DJoHaUiSQTu2DBW9z r3Uf7xm9Q==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lMSjO-002sTd-0a; Wed, 17 Mar 2021 09:44:46 +0000 Received: from szxga05-in.huawei.com ([45.249.212.191]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lMSj8-002sQl-9F for linux-arm-kernel@lists.infradead.org; Wed, 17 Mar 2021 09:44:33 +0000 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.60]) by szxga05-in.huawei.com (SkyGuard) with ESMTP id 4F0lYH2pYnzNp6j; Wed, 17 Mar 2021 17:41:55 +0800 (CST) Received: from localhost.localdomain (10.67.165.24) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.498.0; Wed, 17 Mar 2021 17:44:13 +0800 From: Qi Liu To: , , , CC: , , Subject: [PATCH 1/3] drivers/perf: convert sysfs snprintf family to sysfs_emit Date: Wed, 17 Mar 2021 17:41:49 +0800 Message-ID: <1615974111-45601-2-git-send-email-liuqi115@huawei.com> X-Mailer: git-send-email 2.8.1 In-Reply-To: <1615974111-45601-1-git-send-email-liuqi115@huawei.com> References: <1615974111-45601-1-git-send-email-liuqi115@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.67.165.24] X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210317_094431_526577_07E713C6 X-CRM114-Status: GOOD ( 12.82 ) 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 From: Zihao Tang Fix the following coccicheck warning: ./drivers/perf/hisilicon/hisi_uncore_pmu.c:128:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/fsl_imx8_ddr_perf.c:173:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm_spe_pmu.c:129:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm_smmu_pmu.c:563:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm_dsu_pmu.c:149:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm_dsu_pmu.c:139:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-cmn.c:563:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-cmn.c:351:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-ccn.c:224:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-cci.c:708:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-cci.c:699:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-cci.c:528:8-16: WARNING: use scnprintf or sprintf. ./drivers/perf/arm-cci.c:309:8-16: WARNING: use scnprintf or sprintf. Signed-off-by: Zihao Tang Signed-off-by: Qi Liu --- drivers/perf/arm-cci.c | 12 ++++++------ drivers/perf/arm-ccn.c | 4 ++-- drivers/perf/arm-cmn.c | 22 +++++++++++----------- drivers/perf/arm_dsu_pmu.c | 5 ++--- drivers/perf/arm_smmuv3_pmu.c | 2 +- drivers/perf/arm_spe_pmu.c | 3 +-- drivers/perf/fsl_imx8_ddr_perf.c | 3 +-- drivers/perf/hisilicon/hisi_uncore_pmu.c | 2 +- 8 files changed, 25 insertions(+), 28 deletions(-) diff --git a/drivers/perf/arm-cci.c b/drivers/perf/arm-cci.c index f81e2ec..666d8a9 100644 --- a/drivers/perf/arm-cci.c +++ b/drivers/perf/arm-cci.c @@ -306,7 +306,7 @@ static ssize_t cci400_pmu_cycle_event_show(struct device *dev, { struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); - return snprintf(buf, PAGE_SIZE, "config=0x%lx\n", (unsigned long)eattr->var); + return sysfs_emit(buf, "config=0x%lx\n", (unsigned long)eattr->var); } static int cci400_get_event_idx(struct cci_pmu *cci_pmu, @@ -525,8 +525,8 @@ static ssize_t cci5xx_pmu_global_event_show(struct device *dev, struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); /* Global events have single fixed source code */ - return snprintf(buf, PAGE_SIZE, "event=0x%lx,source=0x%x\n", - (unsigned long)eattr->var, CCI5xx_PORT_GLOBAL); + return sysfs_emit(buf, "event=0x%lx,source=0x%x\n", + (unsigned long)eattr->var, CCI5xx_PORT_GLOBAL); } /* @@ -696,7 +696,7 @@ static ssize_t cci_pmu_format_show(struct device *dev, { struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); - return snprintf(buf, PAGE_SIZE, "%s\n", (char *)eattr->var); + return sysfs_emit(buf, "%s\n", (char *)eattr->var); } static ssize_t cci_pmu_event_show(struct device *dev, @@ -705,8 +705,8 @@ static ssize_t cci_pmu_event_show(struct device *dev, struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); /* source parameter is mandatory for normal PMU events */ - return snprintf(buf, PAGE_SIZE, "source=?,event=0x%lx\n", - (unsigned long)eattr->var); + return sysfs_emit(buf, "source=?,event=0x%lx\n", + (unsigned long)eattr->var); } static int pmu_is_valid_counter(struct cci_pmu *cci_pmu, int idx) diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c index a0a71c1..3a2ddc0 100644 --- a/drivers/perf/arm-ccn.c +++ b/drivers/perf/arm-ccn.c @@ -221,7 +221,7 @@ static ssize_t arm_ccn_pmu_format_show(struct device *dev, struct dev_ext_attribute *ea = container_of(attr, struct dev_ext_attribute, attr); - return snprintf(buf, PAGE_SIZE, "%s\n", (char *)ea->var); + return sysfs_emit(buf, "%s\n", (char *)ea->var); } #define CCN_FORMAT_ATTR(_name, _config) \ @@ -476,7 +476,7 @@ static ssize_t arm_ccn_pmu_cmp_mask_show(struct device *dev, struct arm_ccn *ccn = pmu_to_arm_ccn(dev_get_drvdata(dev)); u64 *mask = arm_ccn_pmu_get_cmp_mask(ccn, attr->attr.name); - return mask ? snprintf(buf, PAGE_SIZE, "0x%016llx\n", *mask) : -EINVAL; + return mask ? sysfs_emit(buf, "0x%016llx\n", *mask) : -EINVAL; } static ssize_t arm_ccn_pmu_cmp_mask_store(struct device *dev, diff --git a/drivers/perf/arm-cmn.c b/drivers/perf/arm-cmn.c index 1328159f..56a5c35 100644 --- a/drivers/perf/arm-cmn.c +++ b/drivers/perf/arm-cmn.c @@ -348,19 +348,19 @@ static ssize_t arm_cmn_event_show(struct device *dev, eattr = container_of(attr, typeof(*eattr), attr); if (eattr->type == CMN_TYPE_DTC) - return snprintf(buf, PAGE_SIZE, "type=0x%x\n", eattr->type); + return sysfs_emit(buf, "type=0x%x\n", eattr->type); if (eattr->type == CMN_TYPE_WP) - return snprintf(buf, PAGE_SIZE, - "type=0x%x,eventid=0x%x,wp_dev_sel=?,wp_chn_sel=?,wp_grp=?,wp_val=?,wp_mask=?\n", - eattr->type, eattr->eventid); + return sysfs_emit(buf, + "type=0x%x,eventid=0x%x,wp_dev_sel=?,wp_chn_sel=?,wp_grp=?,wp_val=?,wp_mask=?\n", + eattr->type, eattr->eventid); if (arm_cmn_is_occup_event(eattr->type, eattr->eventid)) - return snprintf(buf, PAGE_SIZE, "type=0x%x,eventid=0x%x,occupid=0x%x\n", - eattr->type, eattr->eventid, eattr->occupid); + return sysfs_emit(buf, "type=0x%x,eventid=0x%x,occupid=0x%x\n", + eattr->type, eattr->eventid, eattr->occupid); - return snprintf(buf, PAGE_SIZE, "type=0x%x,eventid=0x%x\n", - eattr->type, eattr->eventid); + return sysfs_emit(buf, "type=0x%x,eventid=0x%x\n", eattr->type, + eattr->eventid); } static umode_t arm_cmn_event_attr_is_visible(struct kobject *kobj, @@ -560,12 +560,12 @@ static ssize_t arm_cmn_format_show(struct device *dev, int lo = __ffs(fmt->field), hi = __fls(fmt->field); if (lo == hi) - return snprintf(buf, PAGE_SIZE, "config:%d\n", lo); + return sysfs_emit(buf, "config:%d\n", lo); if (!fmt->config) - return snprintf(buf, PAGE_SIZE, "config:%d-%d\n", lo, hi); + return sysfs_emit(buf, "config:%d-%d\n", lo, hi); - return snprintf(buf, PAGE_SIZE, "config%d:%d-%d\n", fmt->config, lo, hi); + return sysfs_emit(buf, "config%d:%d-%d\n", fmt->config, lo, hi); } #define _CMN_FORMAT_ATTR(_name, _cfg, _fld) \ diff --git a/drivers/perf/arm_dsu_pmu.c b/drivers/perf/arm_dsu_pmu.c index 0459a34..196faea 100644 --- a/drivers/perf/arm_dsu_pmu.c +++ b/drivers/perf/arm_dsu_pmu.c @@ -136,8 +136,7 @@ static ssize_t dsu_pmu_sysfs_event_show(struct device *dev, { struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); - return snprintf(buf, PAGE_SIZE, "event=0x%lx\n", - (unsigned long)eattr->var); + return sysfs_emit(buf, "event=0x%lx\n", (unsigned long)eattr->var); } static ssize_t dsu_pmu_sysfs_format_show(struct device *dev, @@ -146,7 +145,7 @@ static ssize_t dsu_pmu_sysfs_format_show(struct device *dev, { struct dev_ext_attribute *eattr = container_of(attr, struct dev_ext_attribute, attr); - return snprintf(buf, PAGE_SIZE, "%s\n", (char *)eattr->var); + return sysfs_emit(buf, "%s\n", (char *)eattr->var); } static ssize_t dsu_pmu_cpumask_show(struct device *dev, diff --git a/drivers/perf/arm_smmuv3_pmu.c b/drivers/perf/arm_smmuv3_pmu.c index 8ff7a67..fa9dfbc 100644 --- a/drivers/perf/arm_smmuv3_pmu.c +++ b/drivers/perf/arm_smmuv3_pmu.c @@ -560,7 +560,7 @@ static ssize_t smmu_pmu_identifier_attr_show(struct device *dev, { struct smmu_pmu *smmu_pmu = to_smmu_pmu(dev_get_drvdata(dev)); - return snprintf(page, PAGE_SIZE, "0x%08x\n", smmu_pmu->iidr); + return sysfs_emit(page, "0x%08x\n", smmu_pmu->iidr); } static umode_t smmu_pmu_identifier_attr_visible(struct kobject *kobj, diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c index d3929cc..8a1e86a 100644 --- a/drivers/perf/arm_spe_pmu.c +++ b/drivers/perf/arm_spe_pmu.c @@ -126,8 +126,7 @@ static ssize_t arm_spe_pmu_cap_show(struct device *dev, container_of(attr, struct dev_ext_attribute, attr); int cap = (long)ea->var; - return snprintf(buf, PAGE_SIZE, "%u\n", - arm_spe_pmu_cap_get(spe_pmu, cap)); + return sysfs_emit(buf, "%u\n", arm_spe_pmu_cap_get(spe_pmu, cap)); } #define SPE_EXT_ATTR_ENTRY(_name, _func, _var) \ diff --git a/drivers/perf/fsl_imx8_ddr_perf.c b/drivers/perf/fsl_imx8_ddr_perf.c index be1f26b..c126fd8 100644 --- a/drivers/perf/fsl_imx8_ddr_perf.c +++ b/drivers/perf/fsl_imx8_ddr_perf.c @@ -170,8 +170,7 @@ static ssize_t ddr_perf_filter_cap_show(struct device *dev, container_of(attr, struct dev_ext_attribute, attr); int cap = (long)ea->var; - return snprintf(buf, PAGE_SIZE, "%u\n", - ddr_perf_filter_cap_get(pmu, cap)); + return sysfs_emit(buf, "%u\n", ddr_perf_filter_cap_get(pmu, cap)); } #define PERF_EXT_ATTR_ENTRY(_name, _func, _var) \ diff --git a/drivers/perf/hisilicon/hisi_uncore_pmu.c b/drivers/perf/hisilicon/hisi_uncore_pmu.c index 9dbdc3f..64ccf5e 100644 --- a/drivers/perf/hisilicon/hisi_uncore_pmu.c +++ b/drivers/perf/hisilicon/hisi_uncore_pmu.c @@ -125,7 +125,7 @@ ssize_t hisi_uncore_pmu_identifier_attr_show(struct device *dev, { struct hisi_pmu *hisi_pmu = to_hisi_pmu(dev_get_drvdata(dev)); - return snprintf(page, PAGE_SIZE, "0x%08x\n", hisi_pmu->identifier); + return sysfs_emit(page, "0x%08x\n", hisi_pmu->identifier); } EXPORT_SYMBOL_GPL(hisi_uncore_pmu_identifier_attr_show);