From patchwork Wed Jun 16 03:44:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12323873 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 62E17C49361 for ; Wed, 16 Jun 2021 03:45:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 40F21610A2 for ; Wed, 16 Jun 2021 03:45:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230211AbhFPDrw (ORCPT ); Tue, 15 Jun 2021 23:47:52 -0400 Received: from szxga02-in.huawei.com ([45.249.212.188]:7447 "EHLO szxga02-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230083AbhFPDrv (ORCPT ); Tue, 15 Jun 2021 23:47:51 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.55]) by szxga02-in.huawei.com (SkyGuard) with ESMTP id 4G4WGx3cc9zZhk2; Wed, 16 Jun 2021 11:42:49 +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 11:45:44 +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 11:45:44 +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 1/4] scsi: qedi: use DEVICE_ATTR_RO macro Date: Wed, 16 Jun 2021 11:44:16 +0800 Message-ID: <20210616034419.725-2-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 macro helper instead of plain DEVICE_ATTR, which makes the code a bit shorter and easier to read. Signed-off-by: Zhen Lei Acked-by: Manish Rangankar --- drivers/scsi/qedi/qedi_sysfs.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/scsi/qedi/qedi_sysfs.c b/drivers/scsi/qedi/qedi_sysfs.c index 04ee68e6499c912..be174d30eb7c275 100644 --- a/drivers/scsi/qedi/qedi_sysfs.c +++ b/drivers/scsi/qedi/qedi_sysfs.c @@ -16,9 +16,9 @@ static inline struct qedi_ctx *qedi_dev_to_hba(struct device *dev) return iscsi_host_priv(shost); } -static ssize_t qedi_show_port_state(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t port_state_show(struct device *dev, + struct device_attribute *attr, + char *buf) { struct qedi_ctx *qedi = qedi_dev_to_hba(dev); @@ -28,8 +28,8 @@ static ssize_t qedi_show_port_state(struct device *dev, return sprintf(buf, "Linkdown\n"); } -static ssize_t qedi_show_speed(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t speed_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct qedi_ctx *qedi = qedi_dev_to_hba(dev); struct qed_link_output if_link; @@ -39,8 +39,8 @@ static ssize_t qedi_show_speed(struct device *dev, return sprintf(buf, "%d Gbit\n", if_link.speed / 1000); } -static DEVICE_ATTR(port_state, 0444, qedi_show_port_state, NULL); -static DEVICE_ATTR(speed, 0444, qedi_show_speed, NULL); +static DEVICE_ATTR_RO(port_state); +static DEVICE_ATTR_RO(speed); struct device_attribute *qedi_shost_attrs[] = { &dev_attr_port_state, From patchwork Wed Jun 16 03:44:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12323875 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 C2C5EC49EA2 for ; Wed, 16 Jun 2021 03:45:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AAF6661369 for ; Wed, 16 Jun 2021 03:45:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230482AbhFPDry (ORCPT ); Tue, 15 Jun 2021 23:47:54 -0400 Received: from szxga08-in.huawei.com ([45.249.212.255]:7286 "EHLO szxga08-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230083AbhFPDry (ORCPT ); Tue, 15 Jun 2021 23:47:54 -0400 Received: from dggemv711-chm.china.huawei.com (unknown [172.30.72.56]) by szxga08-in.huawei.com (SkyGuard) with ESMTP id 4G4WDZ5q2tz1BMVP; Wed, 16 Jun 2021 11:40:46 +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, 16 Jun 2021 11:45:46 +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 11:45:44 +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 2/4] scsi: qedf: use DEVICE_ATTR_RO macro Date: Wed, 16 Jun 2021 11:44:17 +0800 Message-ID: <20210616034419.725-3-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 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/qedf/qedf_attr.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/qedf/qedf_attr.c b/drivers/scsi/qedf/qedf_attr.c index d995f72a67595bd..461c0c9180c444e 100644 --- a/drivers/scsi/qedf/qedf_attr.c +++ b/drivers/scsi/qedf/qedf_attr.c @@ -24,9 +24,8 @@ static struct qedf_ctx *qedf_get_base_qedf(struct qedf_ctx *qedf) return lport_priv(base_lport); } -static ssize_t -qedf_fcoe_mac_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t fcoe_mac_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct fc_lport *lport = shost_priv(class_to_shost(dev)); u32 port_id; @@ -42,9 +41,8 @@ qedf_fcoe_mac_show(struct device *dev, return scnprintf(buf, PAGE_SIZE, "%pM\n", fcoe_mac); } -static ssize_t -qedf_fka_period_show(struct device *dev, - struct device_attribute *attr, char *buf) +static ssize_t fka_period_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct fc_lport *lport = shost_priv(class_to_shost(dev)); struct qedf_ctx *qedf = lport_priv(lport); @@ -59,8 +57,8 @@ qedf_fka_period_show(struct device *dev, return scnprintf(buf, PAGE_SIZE, "%d\n", fka_period); } -static DEVICE_ATTR(fcoe_mac, S_IRUGO, qedf_fcoe_mac_show, NULL); -static DEVICE_ATTR(fka_period, S_IRUGO, qedf_fka_period_show, NULL); +static DEVICE_ATTR_RO(fcoe_mac); +static DEVICE_ATTR_RO(fka_period); struct device_attribute *qedf_host_attrs[] = { &dev_attr_fcoe_mac, From patchwork Wed Jun 16 03:44:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Leizhen (ThunderTown)" X-Patchwork-Id: 12323881 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 397C3C48BE5 for ; Wed, 16 Jun 2021 03:45:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 23D5C61369 for ; Wed, 16 Jun 2021 03:45:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230330AbhFPDr5 (ORCPT ); Tue, 15 Jun 2021 23:47:57 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:4793 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230484AbhFPDrz (ORCPT ); Tue, 15 Jun 2021 23:47:55 -0400 Received: from dggemv704-chm.china.huawei.com (unknown [172.30.72.56]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4G4WDb75gTzXgPp; Wed, 16 Jun 2021 11:40:47 +0800 (CST) Received: from dggpemm500006.china.huawei.com (7.185.36.236) by dggemv704-chm.china.huawei.com (10.3.19.47) 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 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 11:45:46 +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 3/4] scsi: megaraid_mbox: use DEVICE_ATTR_ADMIN_RO macro Date: Wed, 16 Jun 2021 11:44:18 +0800 Message-ID: <20210616034419.725-4-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_ADMIN_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/scsi/megaraid/megaraid_mbox.c | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c index d3fac99db786256..d20c2e4ee7934c9 100644 --- a/drivers/scsi/megaraid/megaraid_mbox.c +++ b/drivers/scsi/megaraid/megaraid_mbox.c @@ -121,8 +121,8 @@ static irqreturn_t megaraid_isr(int, void *); static void megaraid_mbox_dpc(unsigned long); -static ssize_t megaraid_sysfs_show_app_hndl(struct device *, struct device_attribute *attr, char *); -static ssize_t megaraid_sysfs_show_ldnum(struct device *, struct device_attribute *attr, char *); +static ssize_t megaraid_mbox_app_hndl_show(struct device *, struct device_attribute *attr, char *); +static ssize_t megaraid_mbox_ld_show(struct device *, struct device_attribute *attr, char *); static int megaraid_cmm_register(adapter_t *); static int megaraid_cmm_unregister(adapter_t *); @@ -302,8 +302,7 @@ static struct pci_driver megaraid_pci_driver = { // definitions for the device attributes for exporting logical drive number // for a scsi address (Host, Channel, Id, Lun) -static DEVICE_ATTR(megaraid_mbox_app_hndl, S_IRUSR, megaraid_sysfs_show_app_hndl, - NULL); +static DEVICE_ATTR_ADMIN_RO(megaraid_mbox_app_hndl); // Host template initializer for megaraid mbox sysfs device attributes static struct device_attribute *megaraid_shost_attrs[] = { @@ -312,7 +311,7 @@ static struct device_attribute *megaraid_shost_attrs[] = { }; -static DEVICE_ATTR(megaraid_mbox_ld, S_IRUSR, megaraid_sysfs_show_ldnum, NULL); +static DEVICE_ATTR_ADMIN_RO(megaraid_mbox_ld); // Host template initializer for megaraid mbox sysfs device attributes static struct device_attribute *megaraid_sdev_attrs[] = { @@ -3961,7 +3960,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) /** - * megaraid_sysfs_show_app_hndl - display application handle for this adapter + * megaraid_mbox_app_hndl_show - display application handle for this adapter * @dev : class device object representation for the host * @attr : device attribute (unused) * @buf : buffer to send data to @@ -3971,8 +3970,7 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter) * handle, since we do not interface with applications directly. */ static ssize_t -megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr, - char *buf) +megaraid_mbox_app_hndl_show(struct device *dev, struct device_attribute *attr, char *buf) { struct Scsi_Host *shost = class_to_shost(dev); adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(shost); @@ -3985,7 +3983,7 @@ megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr, /** - * megaraid_sysfs_show_ldnum - display the logical drive number for this device + * megaraid_mbox_ld_show - display the logical drive number for this device * @dev : device object representation for the scsi device * @attr : device attribute to show * @buf : buffer to send data to @@ -4000,7 +3998,7 @@ megaraid_sysfs_show_app_hndl(struct device *dev, struct device_attribute *attr, * */ static ssize_t -megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, char *buf) +megaraid_mbox_ld_show(struct device *dev, struct device_attribute *attr, char *buf) { struct scsi_device *sdev = to_scsi_device(dev); adapter_t *adapter = (adapter_t *)SCSIHOST2ADAP(sdev->host); 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) {