From patchwork Wed Jun 2 11:43:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12294031 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 924A9C4708F for ; Wed, 2 Jun 2021 12:16:41 +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 64593613AD for ; Wed, 2 Jun 2021 12:16:41 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 64593613AD 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=dHPCim0KKkvFybrmpXtlhfvV7EchSjX4PG44ikEwW50=; b=VA7K1VI9EJ953W 714NpBn375MDmaW0LBCaTHT+Jqrls98XL3SB8bcPDR+FZDAq+f0NG812CKwSTjnlUuo1wsEyo9Uir gsPBvUWgI5WmpiW9HpK1mvOx6MIrA8qclKwSyqhklYjSU1tiq3E8WDyjL0JHBZ+fVuQJ5d9n/o+PG 6QdfmurK5Z51dXbf0BtnEf4EaStswqdb9qmEu89ncnNe8+LEvRgRlb3JQAG27IV6t5flET7pgW6QG sW4rr6BWDT59ifXOW3X+mY6wE/1J8PS7M5SyTNaIU0zFQf50a7BKuInIrEU2zI9/DY8X3wZEkQL/4 dTTEQd8sl40ZAWkMHr+Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1loPlf-003xHJ-FR; Wed, 02 Jun 2021 12:14:40 +0000 Received: from szxga08-in.huawei.com ([45.249.212.255]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1loPI2-003o8V-0d for linux-arm-kernel@lists.infradead.org; Wed, 02 Jun 2021 11:44:06 +0000 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Fw6W60lwZz19S6K; Wed, 2 Jun 2021 19:39:14 +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 19:43:56 +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 19:43:56 +0800 From: Zhen Lei To: Lee Jones , patches , linux-arm-kernel , linux-kernel CC: Zhen Lei Subject: [PATCH 4/9] mfd: sm501: use DEVICE_ATTR_RO macro Date: Wed, 2 Jun 2021 19:43:34 +0800 Message-ID: <20210602114339.11223-5-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_044402_296985_7DDB14A4 X-CRM114-Status: UNSURE ( 9.89 ) 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/sm501.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/mfd/sm501.c b/drivers/mfd/sm501.c index 6d2f4a0a901dc08..bc0a2c38653e51c 100644 --- a/drivers/mfd/sm501.c +++ b/drivers/mfd/sm501.c @@ -1190,13 +1190,13 @@ static int sm501_register_gpio_i2c(struct sm501_devdata *sm, return 0; } -/* sm501_dbg_regs +/* dbg_regs_show * * Debug attribute to attach to parent device to show core registers */ -static ssize_t sm501_dbg_regs(struct device *dev, - struct device_attribute *attr, char *buff) +static ssize_t dbg_regs_show(struct device *dev, + struct device_attribute *attr, char *buff) { struct sm501_devdata *sm = dev_get_drvdata(dev) ; unsigned int reg; @@ -1213,7 +1213,7 @@ static ssize_t sm501_dbg_regs(struct device *dev, } -static DEVICE_ATTR(dbg_regs, 0444, sm501_dbg_regs, NULL); +static DEVICE_ATTR_RO(dbg_regs); /* sm501_init_reg *