From patchwork Mon Jul 10 15:49:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13307290 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52FF2C04A6A for ; Mon, 10 Jul 2023 15:49:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233310AbjGJPth (ORCPT ); Mon, 10 Jul 2023 11:49:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233189AbjGJPth (ORCPT ); Mon, 10 Jul 2023 11:49:37 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4CB2E10D; Mon, 10 Jul 2023 08:49:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689004176; x=1720540176; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=KmPI7TYMCxCRb9tm8UqoN5rT6jb9j7EvGYVTFPfVpOU=; b=ONMH+Cdc20lPFD9hvqe7EUHxJw40DzJZWhkcDCnj3AzfG/80vO7z9iqO kfblVlW3xFXcLnpdH2WhJWfprSyQXUYzboVAeCUPNj1TPcOFoitMgSD+P vvZ76sKbf9jaWeSMGeBEKSI6k2S6ije6iHorxgLJpeqZu2JGG0/mnHTXW F7bOqU2upsAEnXdrfeXjGLLBj8exRoiuJxtRGcc1yvaxPmVRAPqjdogJL 3ZknSicOAX2+KSvZWb6ansKseUERr/DYVja24DdGt1k3g4vWzf3LNkFXr lBf5QgnXEXNBnfJDAsEOgZBjJJo9KI2qUlxvOJtKUByd70kUyWLNdXMWK w==; X-IronPort-AV: E=McAfee;i="6600,9927,10767"; a="361842397" X-IronPort-AV: E=Sophos;i="6.01,194,1684825200"; d="scan'208";a="361842397" Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Jul 2023 08:49:36 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10767"; a="720743958" X-IronPort-AV: E=Sophos;i="6.01,194,1684825200"; d="scan'208";a="720743958" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga002.jf.intel.com with ESMTP; 10 Jul 2023 08:49:34 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 77C76604; Mon, 10 Jul 2023 18:49:34 +0300 (EEST) From: Andy Shevchenko To: Mark Brown , Cristian Ciocaltea , Yang Yingliang , Andy Shevchenko , Amit Kumar Mahapatra via Alsa-devel , Neil Armstrong , Tharun Kumar P , Vijaya Krishna Nivarthi , =?utf-8?q?Uwe_Kleine-K?= =?utf-8?q?=C3=B6nig?= , linux-spi@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-arm-msm@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-riscv@lists.infradead.org, linux-stm32@st-md-mailman.stormreply.com, linux-trace-kernel@vger.kernel.org, netdev@vger.kernel.org Cc: Sanjay R Mehta , Radu Pirea , Nicolas Ferre , Alexandre Belloni , Claudiu Beznea , Tudor Ambarus , Serge Semin , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Matthias Brugger , AngeloGioacchino Del Regno , Andy Gross , Bjorn Andersson , Konrad Dybcio , Heiko Stuebner , Palmer Dabbelt , Paul Walmsley , Orson Zhai , Baolin Wang , Chunyan Zhang , Alain Volmat , Maxime Coquelin , Alexandre Torgue , Max Filippov , Steven Rostedt , Masami Hiramatsu , Richard Cochran Subject: [PATCH v2 06/15] spi: Use sysfs_emit() to instead of s*printf() Date: Mon, 10 Jul 2023 18:49:23 +0300 Message-Id: <20230710154932.68377-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230710154932.68377-1-andriy.shevchenko@linux.intel.com> References: <20230710154932.68377-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-kernel@vger.kernel.org Follow the advice of the Documentation/filesystems/sysfs.rst and show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by: Andy Shevchenko --- drivers/spi/spi.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index 46cbda383228..cfb1c985d940 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -64,7 +64,7 @@ modalias_show(struct device *dev, struct device_attribute *a, char *buf) if (len != -ENODEV) return len; - return sprintf(buf, "%s%s\n", SPI_MODULE_PREFIX, spi->modalias); + return sysfs_emit(buf, "%s%s\n", SPI_MODULE_PREFIX, spi->modalias); } static DEVICE_ATTR_RO(modalias); @@ -89,7 +89,7 @@ static ssize_t driver_override_show(struct device *dev, ssize_t len; device_lock(dev); - len = snprintf(buf, PAGE_SIZE, "%s\n", spi->driver_override ? : ""); + len = sysfs_emit(buf, "%s\n", spi->driver_override ? : ""); device_unlock(dev); return len; } @@ -2782,8 +2782,7 @@ static ssize_t slave_show(struct device *dev, struct device_attribute *attr, struct device *child; child = device_find_any_child(&ctlr->dev); - return sprintf(buf, "%s\n", - child ? to_spi_device(child)->modalias : NULL); + return sysfs_emit(buf, "%s\n", child ? to_spi_device(child)->modalias : NULL); } static ssize_t slave_store(struct device *dev, struct device_attribute *attr,