From patchwork Wed Jun 2 07:38:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12293303 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 63492C4708F for ; Wed, 2 Jun 2021 08:18:13 +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 25ED9613AC for ; Wed, 2 Jun 2021 08:18:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 25ED9613AC 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=4XT3c34qRiI0544wWqcsLbBeQRJPJa01wpIF8pIuhw4=; b=jMD1cA1Dsq7htA JgUor0sf1t7dNzrrpA/aUkGA32PwnHo1TQijDB9vMcntiREmJA0a5RP2Cf5fd8s3m+k2qeL8s9lM1 q4CJnmczu6vMrXPiiQHXADM/EB/DdNVmKpnFlBo5oy5HAqu8SVG6s/0z13HOkyoF0NtEQToApsXqT pBbI4Uz3HQwu+uI1l+EeFwB9/vIbR7QD2Fg2e89pZ0aii/SY1dmSa632RmhCORBrGUQ7Vikv6/WPA SXoesM/l9ngTprc7tHgnNxD0FJi/1L+9RnIQD0JLiJhg40VQZvLlEZ6J5QHECiLAVbyp5ooFLWmjC GiKAzfqMh6x03OfYaaNg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1loM36-002YoK-2h; Wed, 02 Jun 2021 08:16:24 +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 1loLSh-002MlT-AL for linux-arm-kernel@lists.infradead.org; Wed, 02 Jun 2021 07:38:49 +0000 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.57]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4Fw14647J7z19Rl6; Wed, 2 Jun 2021 15:33:58 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggemv711-chm.china.huawei.com (10.1.198.66) 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 15:38:41 +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 15:38:40 +0800 From: Zhen Lei To: Alessandro Zummo , Alexandre Belloni , Joshua Kinard , "Linus Walleij" , linux-arm-kernel , linux-rtc , linux-kernel CC: Zhen Lei Subject: [PATCH 1/8] rtc: x1205: use DEVICE_ATTR_RO macro Date: Wed, 2 Jun 2021 15:38:13 +0800 Message-ID: <20210602073820.11011-2-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20210602073820.11011-1-thunder.leizhen@huawei.com> References: <20210602073820.11011-1-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_003847_580910_3347E429 X-CRM114-Status: GOOD ( 10.88 ) 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/rtc/rtc-x1205.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/rtc/rtc-x1205.c b/drivers/rtc/rtc-x1205.c index d1d5a44d9122ad9..351e4725a7a5439 100644 --- a/drivers/rtc/rtc-x1205.c +++ b/drivers/rtc/rtc-x1205.c @@ -566,8 +566,8 @@ static const struct rtc_class_ops x1205_rtc_ops = { .set_alarm = x1205_rtc_set_alarm, }; -static ssize_t x1205_sysfs_show_atrim(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t atrim_show(struct device *dev, + struct device_attribute *attr, char *buf) { int err, atrim; @@ -577,10 +577,10 @@ static ssize_t x1205_sysfs_show_atrim(struct device *dev, return sprintf(buf, "%d.%02d pF\n", atrim / 1000, atrim % 1000); } -static DEVICE_ATTR(atrim, S_IRUGO, x1205_sysfs_show_atrim, NULL); +static DEVICE_ATTR_RO(atrim); -static ssize_t x1205_sysfs_show_dtrim(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t dtrim_show(struct device *dev, + struct device_attribute *attr, char *buf) { int err, dtrim; @@ -590,7 +590,7 @@ static ssize_t x1205_sysfs_show_dtrim(struct device *dev, return sprintf(buf, "%d ppm\n", dtrim); } -static DEVICE_ATTR(dtrim, S_IRUGO, x1205_sysfs_show_dtrim, NULL); +static DEVICE_ATTR_RO(dtrim); static int x1205_sysfs_register(struct device *dev) {