From patchwork Tue Jul 11 17:17:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13309202 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 86B4CC04A94 for ; Tue, 11 Jul 2023 17:18:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231970AbjGKRSD (ORCPT ); Tue, 11 Jul 2023 13:18:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60836 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231898AbjGKRSC (ORCPT ); Tue, 11 Jul 2023 13:18:02 -0400 Received: from mga05.intel.com (mga05.intel.com [192.55.52.43]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0BE23A1; Tue, 11 Jul 2023 10:18:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689095882; x=1720631882; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=o/4VXNjwZTK0uzfbC0etPekf1RU0/kTIzMnJkGS3e1w=; b=DeP9nZb804WKeiY9ILNGLT3kUVd/GDV/VmgcS3F+SgdyJSZe/qeGQq5Y 7F4I1CeWp05WO8utbioPsOY1TGP1uYYZFF0cUw8LAQTgmgitJGMKwbLe7 ap4Qn6uQv6g5eF0XaqMoGb0JYtBzfLivGoj2R80z5trwiMRqacXox1POC 9e0ljFALJZDnGfugZg1y2gt5kF7JP2+c3oVRReVTOdP9ByUXkXfiVaILq 7L/3J555LIqTzZTyTr1+9Lo2w1TW2XBzo6mfh7xc0xgSRpnFYWAWlDV/G Ib7gx4rpk9xNy9T4SlYDBQ7PVT+IiEm1Y6cwiaWKXtcoLqpxKHlWhnnfm w==; X-IronPort-AV: E=McAfee;i="6600,9927,10768"; a="451044990" X-IronPort-AV: E=Sophos;i="6.01,197,1684825200"; d="scan'208";a="451044990" Received: from orsmga006.jf.intel.com ([10.7.209.51]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jul 2023 10:18:01 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10768"; a="698501362" X-IronPort-AV: E=Sophos;i="6.01,197,1684825200"; d="scan'208";a="698501362" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga006.jf.intel.com with ESMTP; 11 Jul 2023 10:18:00 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 6B702604; Tue, 11 Jul 2023 20:17:59 +0300 (EEST) From: Andy Shevchenko To: Mark Brown , Cristian Ciocaltea , Yang Yingliang , Andy Shevchenko , Amit Kumar Mahapatra via Alsa-devel , Serge Semin , 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 , 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 , Sebastian Reichel Subject: [PATCH v3 06/14] spi: Use sysfs_emit() to instead of s*printf() Date: Tue, 11 Jul 2023 20:17:48 +0300 Message-Id: <20230711171756.86736-7-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.40.0.1.gaa8946217a0b In-Reply-To: <20230711171756.86736-1-andriy.shevchenko@linux.intel.com> References: <20230711171756.86736-1-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 57b5e4488416..19846fe4c4d5 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; } @@ -2797,8 +2797,7 @@ 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,