From patchwork Wed Jun 2 11:43:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12294001 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=-17.1 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,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham 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 26803C4708F for ; Wed, 2 Jun 2021 12:08:20 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 ECAD9613BA for ; Wed, 2 Jun 2021 12:08:19 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org ECAD9613BA 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=bombadil.20210309; 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=4efxlYtkLCgG6b+CXBmx71gMsgpDguSlVGYTj7kDdBw=; b=Sxp83rEqciYnoM 6H85o4qB8wW14fcRS4t+nng0tbmIGY6HQiyeLJNZkT+WrsjFT9MDFMINHwfi9baEKFhbLG5gcw7Im xn3+9LxeWE48/ek11DWkWOinmB0Ipi5rTBmjs4YlNj87XREhwPxoBqLh/mVaaOzTDb7+y/Zh6ar68 r6XizwvlnM6PIHn0livF8CJrclb5I8NmRVJfM+uDhCa9+3eo3IkdSVekqrfKAHBI6hjeGgnagkOZK OEmSf7rohEoECU0A+fC3cn4ZtjCW+54Vf82cTCwgk4xKpUcbxZRoePwWbPxq0cwKE6QLvGXjRyIhv NIVpJtElnEH8tEXrFMfA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1loPdH-003tzR-On; Wed, 02 Jun 2021 12:06:00 +0000 Received: from szxga02-in.huawei.com ([45.249.212.188]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1loPI1-003o8r-GH for linux-arm-kernel@lists.infradead.org; Wed, 02 Jun 2021 11:44:03 +0000 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4Fw6Y82VBKz68x9; Wed, 2 Jun 2021 19:41:00 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Wed, 2 Jun 2021 19:43:58 +0800 Received: from thunder-town.china.huawei.com (10.174.177.72) by dggpemm500006.china.huawei.com (7.185.36.236) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.2; Wed, 2 Jun 2021 19:43:57 +0800 From: Zhen Lei To: Lee Jones , patches , linux-arm-kernel , linux-kernel CC: Zhen Lei Subject: [PATCH 7/9] mfd: janz-cmodio: use DEVICE_ATTR_RO macro Date: Wed, 2 Jun 2021 19:43:37 +0800 Message-ID: <20210602114339.11223-8-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20210602114339.11223-1-thunder.leizhen@huawei.com> References: <20210602114339.11223-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.177.72] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210602_044401_781451_53E45E3B X-CRM114-Status: UNSURE ( 9.92 ) X-CRM114-Notice: Please train this message. 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 Use DEVICE_ATTR_RO macro helper instead of plain DEVICE_ATTR, which makes the code a bit shorter and easier to read. Signed-off-by: Zhen Lei --- drivers/mfd/janz-cmodio.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c index 3df4e9a2998f490..70eba4ce496faa3 100644 --- a/drivers/mfd/janz-cmodio.c +++ b/drivers/mfd/janz-cmodio.c @@ -149,15 +149,15 @@ static int cmodio_probe_submodules(struct cmodio_device *priv) * SYSFS Attributes */ -static ssize_t mbus_show(struct device *dev, struct device_attribute *attr, - char *buf) +static ssize_t modulbus_number_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct cmodio_device *priv = dev_get_drvdata(dev); return snprintf(buf, PAGE_SIZE, "%x\n", priv->hex); } -static DEVICE_ATTR(modulbus_number, S_IRUGO, mbus_show, NULL); +static DEVICE_ATTR_RO(modulbus_number); static struct attribute *cmodio_sysfs_attrs[] = { &dev_attr_modulbus_number.attr,