From patchwork Wed Dec 7 02:48:33 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ye.xingchen@zte.com.cn X-Patchwork-Id: 632729 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 C3B6FC3A5A7 for ; Wed, 7 Dec 2022 02:49:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229804AbiLGCtH (ORCPT ); Tue, 6 Dec 2022 21:49:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41314 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229604AbiLGCtE (ORCPT ); Tue, 6 Dec 2022 21:49:04 -0500 Received: from mxhk.zte.com.cn (mxhk.zte.com.cn [63.216.63.40]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F7BD2CDC8; Tue, 6 Dec 2022 18:48:48 -0800 (PST) Received: from mse-fl2.zte.com.cn (unknown [10.5.228.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mxhk.zte.com.cn (FangMail) with ESMTPS id 4NRhYp3gQYz8R047; Wed, 7 Dec 2022 10:48:46 +0800 (CST) Received: from xaxapp03.zte.com.cn ([10.88.40.52]) by mse-fl2.zte.com.cn with SMTP id 2B72mW7C087314; Wed, 7 Dec 2022 10:48:33 +0800 (+08) (envelope-from ye.xingchen@zte.com.cn) Received: from mapi (xaxapp01[null]) by mapi (Zmail) with MAPI id mid31; Wed, 7 Dec 2022 10:48:33 +0800 (CST) Date: Wed, 7 Dec 2022 10:48:33 +0800 (CST) X-Zmail-TransId: 2af9638fff01ffffffffa7b71974 X-Mailer: Zmail v1.0 Message-ID: <202212071048339386860@zte.com.cn> Mime-Version: 1.0 From: To: Cc: , , Subject: =?utf-8?q?=5BPATCH_v2=5D_i2c=3A_mux=3A_Convert_to_use_sysfs=5Femit?= =?utf-8?q?=5Fat=28=29_API?= X-MAIL: mse-fl2.zte.com.cn 2B72mW7C087314 X-Fangmail-Gw-Spam-Type: 0 X-FangMail-Miltered: at cgslv5.04-192.168.250.137.novalocal with ID 638FFF0E.001 by FangMail milter! X-FangMail-Envelope: 1670381326/4NRhYp3gQYz8R047/638FFF0E.001/10.5.228.133/[10.5.228.133]/mse-fl2.zte.com.cn/ X-Fangmail-Anti-Spam-Filtered: true X-Fangmail-MID-QID: 638FFF0E.001/4NRhYp3gQYz8R047 Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org From: ye xingchen 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: ye xingchen Tested-by: Wolfram Sang --- v1 -> v2 Fix the code style. drivers/i2c/muxes/i2c-demux-pinctrl.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c index f7a7405d4350..28e0911920be 100644 --- a/drivers/i2c/muxes/i2c-demux-pinctrl.c +++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c @@ -167,9 +167,9 @@ static ssize_t available_masters_show(struct device *dev, int count = 0, i; for (i = 0; i < priv->num_chan && count < PAGE_SIZE; i++) - count += scnprintf(buf + count, PAGE_SIZE - count, "%d:%pOF%c", - i, priv->chan[i].parent_np, - i == priv->num_chan - 1 ? '\n' : ' '); + count += sysfs_emit_at(buf, count, "%d:%pOF%c", + i, priv->chan[i].parent_np, + i == priv->num_chan - 1 ? '\n' : ' '); return count; }