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[2620:137:e000::1:20]) by mx.google.com with ESMTP id v24-20020a17090a899800b00262e1adb2c7si660404pjn.51.2023.07.04.20.05.03; Tue, 04 Jul 2023 20:05:18 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@intel.com header.s=Intel header.b="d/EnqWuD"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=intel.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230487AbjGECzP (ORCPT + 99 others); Tue, 4 Jul 2023 22:55:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230417AbjGECzN (ORCPT ); Tue, 4 Jul 2023 22:55:13 -0400 Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3351910F8; Tue, 4 Jul 2023 19:55:12 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1688525712; x=1720061712; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5WC8P8GcGa8BS4IN/OSHf+dk5rOPXZjdNP6PUxd+4rk=; b=d/EnqWuDgfLGnvnBAsx1N78FvmMVPmyGZS4L8ngFcJHFb1IJw5y9lpCQ IUAbN+7mycpurwKTYl1Ud2QTBjYzSEyy16VJoQchYwv2MSRE9JwcYleP0 18ad0Jcl9+zrw5gK9H+Gn4M2bxstu1KRgc/YHqKHvOt50LObVOY6lrJdj PnvZrDF4g3m7wfbud05WiN2CvPaxIiFPLjZXdsVAv9hArI5ESGdpzyT0f H80JK71h28fpRAHEfiRNCoPFf9ysSzDsWARzlTtcYIqgUYvb2lhg4i5xm PqKZ+n4/hg5I5FGqqTJ4tMltU8DDuH4/e2JN5XnawLc71rsSeRa5X79q2 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10761"; a="343567176" X-IronPort-AV: E=Sophos;i="6.01,181,1684825200"; d="scan'208";a="343567176" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jul 2023 19:55:11 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10761"; a="754206077" X-IronPort-AV: E=Sophos;i="6.01,181,1684825200"; d="scan'208";a="754206077" Received: from scc823097.zsc7.intel.com ([10.148.153.229]) by orsmga001-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 04 Jul 2023 19:55:11 -0700 From: Peter Colberg To: Wu Hao , Tom Rix , Moritz Fischer , Xu Yilun , linux-fpga@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Andy Shevchenko , tianfei.zhang@intel.com, russell.h.weight@intel.com, matthew.gerlach@linux.intel.com, marpagan@redhat.com, lgoncalv@redhat.com, Peter Colberg Subject: [PATCH 1/2] fpga: dfl: use sysfs_emit() to format sysfs values Date: Tue, 4 Jul 2023 22:54:50 -0400 Message-Id: X-Mailer: git-send-email 2.28.0 In-Reply-To: References: MIME-Version: 1.0 X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_NONE,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1770548172687078314?= X-GMAIL-MSGID: =?utf-8?q?1770548172687078314?= Use sysfs_emit() to format sysfs values, which wraps vscnprintf() for a PAGE_SIZE buffer. Remove explicit casts in favour of using the printk() format specifier corresponding to the type of the formatted value. These changes are cosmetic only; no functional changes. Suggested-by: Andy Shevchenko Signed-off-by: Peter Colberg Reviewed-by: Andy Shevchenko --- drivers/fpga/dfl-afu-error.c | 7 +++---- drivers/fpga/dfl-afu-main.c | 17 ++++++++--------- drivers/fpga/dfl-fme-error.c | 19 ++++++++----------- drivers/fpga/dfl-fme-main.c | 26 ++++++++++---------------- drivers/fpga/dfl-fme-perf.c | 16 +++++++--------- drivers/fpga/dfl.c | 4 ++-- drivers/fpga/fpga-bridge.c | 2 +- drivers/fpga/fpga-mgr.c | 4 ++-- drivers/fpga/fpga-region.c | 5 ++--- 9 files changed, 43 insertions(+), 57 deletions(-) diff --git a/drivers/fpga/dfl-afu-error.c b/drivers/fpga/dfl-afu-error.c index ab7be6217368..6d113d606560 100644 --- a/drivers/fpga/dfl-afu-error.c +++ b/drivers/fpga/dfl-afu-error.c @@ -125,7 +125,7 @@ static ssize_t errors_show(struct device *dev, struct device_attribute *attr, error = readq(base + PORT_ERROR); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", (unsigned long long)error); + return sysfs_emit(buf, "0x%llx\n", error); } static ssize_t errors_store(struct device *dev, struct device_attribute *attr, @@ -156,7 +156,7 @@ static ssize_t first_error_show(struct device *dev, error = readq(base + PORT_FIRST_ERROR); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", (unsigned long long)error); + return sysfs_emit(buf, "0x%llx\n", error); } static DEVICE_ATTR_RO(first_error); @@ -175,8 +175,7 @@ static ssize_t first_malformed_req_show(struct device *dev, req1 = readq(base + PORT_MALFORMED_REQ1); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%016llx%016llx\n", - (unsigned long long)req1, (unsigned long long)req0); + return sysfs_emit(buf, "0x%016llx%016llx\n", req1, req0); } static DEVICE_ATTR_RO(first_malformed_req); diff --git a/drivers/fpga/dfl-afu-main.c b/drivers/fpga/dfl-afu-main.c index 7f621e96d3b8..51fdbe8a2f26 100644 --- a/drivers/fpga/dfl-afu-main.c +++ b/drivers/fpga/dfl-afu-main.c @@ -155,7 +155,7 @@ id_show(struct device *dev, struct device_attribute *attr, char *buf) { int id = port_get_id(to_platform_device(dev)); - return scnprintf(buf, PAGE_SIZE, "%d\n", id); + return sysfs_emit(buf, "%d\n", id); } static DEVICE_ATTR_RO(id); @@ -172,7 +172,7 @@ ltr_show(struct device *dev, struct device_attribute *attr, char *buf) v = readq(base + PORT_HDR_CTRL); mutex_unlock(&pdata->lock); - return sprintf(buf, "%x\n", (u8)FIELD_GET(PORT_CTRL_LATENCY, v)); + return sysfs_emit(buf, "%llx\n", FIELD_GET(PORT_CTRL_LATENCY, v)); } static ssize_t @@ -213,7 +213,7 @@ ap1_event_show(struct device *dev, struct device_attribute *attr, char *buf) v = readq(base + PORT_HDR_STS); mutex_unlock(&pdata->lock); - return sprintf(buf, "%x\n", (u8)FIELD_GET(PORT_STS_AP1_EVT, v)); + return sysfs_emit(buf, "%llx\n", FIELD_GET(PORT_STS_AP1_EVT, v)); } static ssize_t @@ -251,7 +251,7 @@ ap2_event_show(struct device *dev, struct device_attribute *attr, v = readq(base + PORT_HDR_STS); mutex_unlock(&pdata->lock); - return sprintf(buf, "%x\n", (u8)FIELD_GET(PORT_STS_AP2_EVT, v)); + return sysfs_emit(buf, "%llx\n", FIELD_GET(PORT_STS_AP2_EVT, v)); } static ssize_t @@ -288,7 +288,7 @@ power_state_show(struct device *dev, struct device_attribute *attr, char *buf) v = readq(base + PORT_HDR_STS); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%x\n", (u8)FIELD_GET(PORT_STS_PWR_STATE, v)); + return sysfs_emit(buf, "0x%llx\n", FIELD_GET(PORT_STS_PWR_STATE, v)); } static DEVICE_ATTR_RO(power_state); @@ -348,7 +348,7 @@ userclk_freqsts_show(struct device *dev, struct device_attribute *attr, userclk_freqsts = readq(base + PORT_HDR_USRCLK_STS0); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", (unsigned long long)userclk_freqsts); + return sysfs_emit(buf, "0x%llx\n", userclk_freqsts); } static DEVICE_ATTR_RO(userclk_freqsts); @@ -366,8 +366,7 @@ userclk_freqcntrsts_show(struct device *dev, struct device_attribute *attr, userclk_freqcntrsts = readq(base + PORT_HDR_USRCLK_STS1); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", - (unsigned long long)userclk_freqcntrsts); + return sysfs_emit(buf, "0x%llx\n", userclk_freqcntrsts); } static DEVICE_ATTR_RO(userclk_freqcntrsts); @@ -472,7 +471,7 @@ afu_id_show(struct device *dev, struct device_attribute *attr, char *buf) guidh = readq(base + GUID_H); mutex_unlock(&pdata->lock); - return scnprintf(buf, PAGE_SIZE, "%016llx%016llx\n", guidh, guidl); + return sysfs_emit(buf, "%016llx%016llx\n", guidh, guidl); } static DEVICE_ATTR_RO(afu_id); diff --git a/drivers/fpga/dfl-fme-error.c b/drivers/fpga/dfl-fme-error.c index 51c2892ec06d..a570f294ad82 100644 --- a/drivers/fpga/dfl-fme-error.c +++ b/drivers/fpga/dfl-fme-error.c @@ -52,7 +52,7 @@ static ssize_t pcie0_errors_show(struct device *dev, value = readq(base + PCIE0_ERROR); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", (unsigned long long)value); + return sysfs_emit(buf, "0x%llx\n", value); } static ssize_t pcie0_errors_store(struct device *dev, @@ -97,7 +97,7 @@ static ssize_t pcie1_errors_show(struct device *dev, value = readq(base + PCIE1_ERROR); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", (unsigned long long)value); + return sysfs_emit(buf, "0x%llx\n", value); } static ssize_t pcie1_errors_store(struct device *dev, @@ -136,8 +136,7 @@ static ssize_t nonfatal_errors_show(struct device *dev, base = dfl_get_feature_ioaddr_by_id(dev, FME_FEATURE_ID_GLOBAL_ERR); - return sprintf(buf, "0x%llx\n", - (unsigned long long)readq(base + RAS_NONFAT_ERROR)); + return sysfs_emit(buf, "0x%llx\n", readq(base + RAS_NONFAT_ERROR)); } static DEVICE_ATTR_RO(nonfatal_errors); @@ -148,8 +147,7 @@ static ssize_t catfatal_errors_show(struct device *dev, base = dfl_get_feature_ioaddr_by_id(dev, FME_FEATURE_ID_GLOBAL_ERR); - return sprintf(buf, "0x%llx\n", - (unsigned long long)readq(base + RAS_CATFAT_ERROR)); + return sysfs_emit(buf, "0x%llx\n", readq(base + RAS_CATFAT_ERROR)); } static DEVICE_ATTR_RO(catfatal_errors); @@ -166,8 +164,7 @@ static ssize_t inject_errors_show(struct device *dev, v = readq(base + RAS_ERROR_INJECT); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", - (unsigned long long)FIELD_GET(INJECT_ERROR_MASK, v)); + return sysfs_emit(buf, "0x%llx\n", FIELD_GET(INJECT_ERROR_MASK, v)); } static ssize_t inject_errors_store(struct device *dev, @@ -211,7 +208,7 @@ static ssize_t fme_errors_show(struct device *dev, value = readq(base + FME_ERROR); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", (unsigned long long)value); + return sysfs_emit(buf, "0x%llx\n", value); } static ssize_t fme_errors_store(struct device *dev, @@ -258,7 +255,7 @@ static ssize_t first_error_show(struct device *dev, value = readq(base + FME_FIRST_ERROR); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", (unsigned long long)value); + return sysfs_emit(buf, "0x%llx\n", value); } static DEVICE_ATTR_RO(first_error); @@ -275,7 +272,7 @@ static ssize_t next_error_show(struct device *dev, value = readq(base + FME_NEXT_ERROR); mutex_unlock(&pdata->lock); - return sprintf(buf, "0x%llx\n", (unsigned long long)value); + return sysfs_emit(buf, "0x%llx\n", value); } static DEVICE_ATTR_RO(next_error); diff --git a/drivers/fpga/dfl-fme-main.c b/drivers/fpga/dfl-fme-main.c index bcb5d34b3b82..3b2ad31edf87 100644 --- a/drivers/fpga/dfl-fme-main.c +++ b/drivers/fpga/dfl-fme-main.c @@ -34,8 +34,7 @@ static ssize_t ports_num_show(struct device *dev, v = readq(base + FME_HDR_CAP); - return scnprintf(buf, PAGE_SIZE, "%u\n", - (unsigned int)FIELD_GET(FME_CAP_NUM_PORTS, v)); + return sysfs_emit(buf, "%llu\n", FIELD_GET(FME_CAP_NUM_PORTS, v)); } static DEVICE_ATTR_RO(ports_num); @@ -53,7 +52,7 @@ static ssize_t bitstream_id_show(struct device *dev, v = readq(base + FME_HDR_BITSTREAM_ID); - return scnprintf(buf, PAGE_SIZE, "0x%llx\n", (unsigned long long)v); + return sysfs_emit(buf, "0x%llx\n", v); } static DEVICE_ATTR_RO(bitstream_id); @@ -71,7 +70,7 @@ static ssize_t bitstream_metadata_show(struct device *dev, v = readq(base + FME_HDR_BITSTREAM_MD); - return scnprintf(buf, PAGE_SIZE, "0x%llx\n", (unsigned long long)v); + return sysfs_emit(buf, "0x%llx\n", v); } static DEVICE_ATTR_RO(bitstream_metadata); @@ -85,8 +84,7 @@ static ssize_t cache_size_show(struct device *dev, v = readq(base + FME_HDR_CAP); - return sprintf(buf, "%u\n", - (unsigned int)FIELD_GET(FME_CAP_CACHE_SIZE, v)); + return sysfs_emit(buf, "%llu\n", FIELD_GET(FME_CAP_CACHE_SIZE, v)); } static DEVICE_ATTR_RO(cache_size); @@ -100,8 +98,7 @@ static ssize_t fabric_version_show(struct device *dev, v = readq(base + FME_HDR_CAP); - return sprintf(buf, "%u\n", - (unsigned int)FIELD_GET(FME_CAP_FABRIC_VERID, v)); + return sysfs_emit(buf, "%llu\n", FIELD_GET(FME_CAP_FABRIC_VERID, v)); } static DEVICE_ATTR_RO(fabric_version); @@ -115,8 +112,7 @@ static ssize_t socket_id_show(struct device *dev, v = readq(base + FME_HDR_CAP); - return sprintf(buf, "%u\n", - (unsigned int)FIELD_GET(FME_CAP_SOCKET_ID, v)); + return sysfs_emit(buf, "%llu\n", FIELD_GET(FME_CAP_SOCKET_ID, v)); } static DEVICE_ATTR_RO(socket_id); @@ -285,8 +281,7 @@ static ssize_t temp1_max_policy_show(struct device *dev, v = readq(feature->ioaddr + FME_THERM_THRESHOLD); - return sprintf(buf, "%u\n", - (unsigned int)FIELD_GET(TEMP_THRESHOLD1_POLICY, v)); + return sysfs_emit(buf, "%llu\n", FIELD_GET(TEMP_THRESHOLD1_POLICY, v)); } static DEVICE_ATTR_RO(temp1_max_policy); @@ -489,7 +484,7 @@ static ssize_t power1_xeon_limit_show(struct device *dev, if (FIELD_GET(XEON_PWR_EN, v)) xeon_limit = FIELD_GET(XEON_PWR_LIMIT, v); - return sprintf(buf, "%u\n", xeon_limit * 100000); + return sysfs_emit(buf, "%u\n", xeon_limit * 100000); } static ssize_t power1_fpga_limit_show(struct device *dev, @@ -504,7 +499,7 @@ static ssize_t power1_fpga_limit_show(struct device *dev, if (FIELD_GET(FPGA_PWR_EN, v)) fpga_limit = FIELD_GET(FPGA_PWR_LIMIT, v); - return sprintf(buf, "%u\n", fpga_limit * 100000); + return sysfs_emit(buf, "%u\n", fpga_limit * 100000); } static ssize_t power1_ltr_show(struct device *dev, @@ -515,8 +510,7 @@ static ssize_t power1_ltr_show(struct device *dev, v = readq(feature->ioaddr + FME_PWR_STATUS); - return sprintf(buf, "%u\n", - (unsigned int)FIELD_GET(FME_LATENCY_TOLERANCE, v)); + return sysfs_emit(buf, "%llu\n", FIELD_GET(FME_LATENCY_TOLERANCE, v)); } static DEVICE_ATTR_RO(power1_xeon_limit); diff --git a/drivers/fpga/dfl-fme-perf.c b/drivers/fpga/dfl-fme-perf.c index 7422d2bc6f37..1b072416069b 100644 --- a/drivers/fpga/dfl-fme-perf.c +++ b/drivers/fpga/dfl-fme-perf.c @@ -524,20 +524,18 @@ static ssize_t fme_perf_event_show(struct device *dev, { struct dev_ext_attribute *eattr; unsigned long config; - char *ptr = buf; eattr = container_of(attr, struct dev_ext_attribute, attr); config = (unsigned long)eattr->var; - ptr += sprintf(ptr, "event=0x%02x", (unsigned int)get_event(config)); - ptr += sprintf(ptr, ",evtype=0x%02x", (unsigned int)get_evtype(config)); + if (!is_portid_root(get_portid(config))) + return sysfs_emit(buf, + "event=0x%02llx,evtype=0x%02llx,portid=?\n", + get_event(config), get_evtype(config)); - if (is_portid_root(get_portid(config))) - ptr += sprintf(ptr, ",portid=0x%02x\n", FME_PORTID_ROOT); - else - ptr += sprintf(ptr, ",portid=?\n"); - - return (ssize_t)(ptr - buf); + return sysfs_emit(buf, "event=0x%02llx,evtype=0x%02llx,portid=0x%02x\n", + get_event(config), get_evtype(config), + FME_PORTID_ROOT); } #define FME_EVENT_ATTR(_name) \ diff --git a/drivers/fpga/dfl.c b/drivers/fpga/dfl.c index dd7a783d53b5..db8141b68f79 100644 --- a/drivers/fpga/dfl.c +++ b/drivers/fpga/dfl.c @@ -307,7 +307,7 @@ type_show(struct device *dev, struct device_attribute *attr, char *buf) { struct dfl_device *ddev = to_dfl_dev(dev); - return sprintf(buf, "0x%x\n", ddev->type); + return sysfs_emit(buf, "0x%x\n", ddev->type); } static DEVICE_ATTR_RO(type); @@ -316,7 +316,7 @@ feature_id_show(struct device *dev, struct device_attribute *attr, char *buf) { struct dfl_device *ddev = to_dfl_dev(dev); - return sprintf(buf, "0x%x\n", ddev->feature_id); + return sysfs_emit(buf, "0x%x\n", ddev->feature_id); } static DEVICE_ATTR_RO(feature_id); diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c index a6c25dee9cc1..9b88c18cc126 100644 --- a/drivers/fpga/fpga-bridge.c +++ b/drivers/fpga/fpga-bridge.c @@ -286,7 +286,7 @@ static ssize_t name_show(struct device *dev, { struct fpga_bridge *bridge = to_fpga_bridge(dev); - return sprintf(buf, "%s\n", bridge->name); + return sysfs_emit(buf, "%s\n", bridge->name); } static ssize_t state_show(struct device *dev, diff --git a/drivers/fpga/fpga-mgr.c b/drivers/fpga/fpga-mgr.c index eb583f86a0b9..b3991f921312 100644 --- a/drivers/fpga/fpga-mgr.c +++ b/drivers/fpga/fpga-mgr.c @@ -618,7 +618,7 @@ static ssize_t name_show(struct device *dev, { struct fpga_manager *mgr = to_fpga_manager(dev); - return sprintf(buf, "%s\n", mgr->name); + return sysfs_emit(buf, "%s\n", mgr->name); } static ssize_t state_show(struct device *dev, @@ -626,7 +626,7 @@ static ssize_t state_show(struct device *dev, { struct fpga_manager *mgr = to_fpga_manager(dev); - return sprintf(buf, "%s\n", state_str[mgr->state]); + return sysfs_emit(buf, "%s\n", state_str[mgr->state]); } static ssize_t status_show(struct device *dev, diff --git a/drivers/fpga/fpga-region.c b/drivers/fpga/fpga-region.c index ccf6fdab1360..7a3572b78f50 100644 --- a/drivers/fpga/fpga-region.c +++ b/drivers/fpga/fpga-region.c @@ -166,9 +166,8 @@ static ssize_t compat_id_show(struct device *dev, if (!region->compat_id) return -ENOENT; - return sprintf(buf, "%016llx%016llx\n", - (unsigned long long)region->compat_id->id_h, - (unsigned long long)region->compat_id->id_l); + return sysfs_emit(buf, "%016llx%016llx\n", region->compat_id->id_h, + region->compat_id->id_l); } static DEVICE_ATTR_RO(compat_id);