From patchwork Wed Jun 16 03:44:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12323877 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=-16.8 required=3.0 tests=BAYES_00, 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 3972BC49EA3 for ; Wed, 16 Jun 2021 03:45:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 247D26137D for ; Wed, 16 Jun 2021 03:45:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230490AbhFPDry (ORCPT ); Tue, 15 Jun 2021 23:47:54 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:7448 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230217AbhFPDry (ORCPT ); Tue, 15 Jun 2021 23:47:54 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.56]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4G4WH06GzRzZhm6; Wed, 16 Jun 2021 11:42:52 +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, 16 Jun 2021 11:45:48 +0800 Received: from thunder-town.china.huawei.com (10.174.179.0) 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, 16 Jun 2021 11:45:47 +0800 From: Zhen Lei To: Nilesh Javali , Manish Rangankar , Saurav Kashyap , Javed Hasan , Kashyap Desai , "Sumit Saxena" , Shivasharan S , GR-QLogic-Storage-Upstream , "megaraidlinux . pdl" , "James E . J . Bottomley" , "Martin K . Petersen" , linux-scsi CC: Zhen Lei Subject: [PATCH v2 4/4] scsi: mvsas: use DEVICE_ATTR_RO/RW macro Date: Wed, 16 Jun 2021 11:44:19 +0800 Message-ID: <20210616034419.725-5-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20210616034419.725-1-thunder.leizhen@huawei.com> References: <20210616034419.725-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.179.0] X-ClientProxiedBy: dggems702-chm.china.huawei.com (10.3.19.179) To dggpemm500006.china.huawei.com (7.185.36.236) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Use DEVICE_ATTR_RO/RW macro helper instead of plain DEVICE_ATTR, which makes the code a bit shorter and easier to read. Signed-off-by: Zhen Lei --- drivers/scsi/mvsas/mv_init.c | 26 +++++++++----------------- 1 file changed, 9 insertions(+), 17 deletions(-) diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 6aa2697c4a15d24..53137f7d0e993da 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -692,22 +692,17 @@ static struct pci_driver mvs_pci_driver = { .remove = mvs_pci_remove, }; -static ssize_t -mvs_show_driver_version(struct device *cdev, - struct device_attribute *attr, char *buffer) +static ssize_t driver_version_show(struct device *cdev, + struct device_attribute *attr, char *buffer) { return snprintf(buffer, PAGE_SIZE, "%s\n", DRV_VERSION); } -static DEVICE_ATTR(driver_version, - S_IRUGO, - mvs_show_driver_version, - NULL); +static DEVICE_ATTR_RO(driver_version); -static ssize_t -mvs_store_interrupt_coalescing(struct device *cdev, - struct device_attribute *attr, - const char *buffer, size_t size) +static ssize_t interrupt_coalescing_store(struct device *cdev, + struct device_attribute *attr, + const char *buffer, size_t size) { unsigned int val = 0; struct mvs_info *mvi = NULL; @@ -745,16 +740,13 @@ mvs_store_interrupt_coalescing(struct device *cdev, return strlen(buffer); } -static ssize_t mvs_show_interrupt_coalescing(struct device *cdev, - struct device_attribute *attr, char *buffer) +static ssize_t interrupt_coalescing_show(struct device *cdev, + struct device_attribute *attr, char *buffer) { return snprintf(buffer, PAGE_SIZE, "%d\n", interrupt_coalescing); } -static DEVICE_ATTR(interrupt_coalescing, - S_IRUGO|S_IWUSR, - mvs_show_interrupt_coalescing, - mvs_store_interrupt_coalescing); +static DEVICE_ATTR_RW(interrupt_coalescing); static int __init mvs_init(void) {