From patchwork Thu Dec 22 12:05:35 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 9484759 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 48801601D3 for ; Thu, 22 Dec 2016 12:28:51 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 33CDA2818E for ; Thu, 22 Dec 2016 12:28:51 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 28E5E2842C; Thu, 22 Dec 2016 12:28:51 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id C88C92818E for ; Thu, 22 Dec 2016 12:28:50 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965218AbcLVM2W (ORCPT ); Thu, 22 Dec 2016 07:28:22 -0500 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:63945 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965502AbcLVM1Q (ORCPT ); Thu, 22 Dec 2016 07:27:16 -0500 X-IronPort-AV: E=Sophos;i="5.33,388,1477954800"; d="scan'208";a="251191326" Received: from palace.rsr.lip6.fr (HELO localhost.localdomain) ([132.227.105.202]) by mail2-relais-roc.national.inria.fr with ESMTP/TLS/AES128-SHA256; 22 Dec 2016 13:25:58 +0100 From: Julia Lawall To: Guenter Roeck Cc: kernel-janitors@vger.kernel.org, Jean Delvare , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 66/66] hwmon: (tmp401) use permission-specific DEVICE_ATTR variants Date: Thu, 22 Dec 2016 13:05:35 +0100 Message-Id: <1482408335-3435-67-git-send-email-Julia.Lawall@lip6.fr> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1482408335-3435-1-git-send-email-Julia.Lawall@lip6.fr> References: <1482408335-3435-1-git-send-email-Julia.Lawall@lip6.fr> Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Use DEVICE_ATTR_RO etc. for read only attributes etc. This simplifies the source code, improves readbility, and reduces the chance of inconsistencies. The semantic patch for the RO case, in the case where the show function already has the expected name, is as follows: (http://coccinelle.lip6.fr/) // @ro@ declarer name DEVICE_ATTR; identifier x,x_show; @@ DEVICE_ATTR(x, \(0444\|S_IRUGO\), x_show, NULL); @script:ocaml@ x << ro.x; x_show << ro.x_show; @@ if not (x^"_show" = x_show) then Coccilib.include_match false @@ declarer name DEVICE_ATTR_RO; identifier ro.x,ro.x_show; @@ - DEVICE_ATTR(x, \(0444\|S_IRUGO\), x_show, NULL); + DEVICE_ATTR_RO(x); // Signed-off-by: Julia Lawall --- drivers/hwmon/tmp401.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe linux-hwmon" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html diff --git a/drivers/hwmon/tmp401.c b/drivers/hwmon/tmp401.c index eeeed2c..6276003 100644 --- a/drivers/hwmon/tmp401.c +++ b/drivers/hwmon/tmp401.c @@ -449,7 +449,7 @@ static ssize_t reset_temp_history(struct device *dev, return count; } -static ssize_t show_update_interval(struct device *dev, +static ssize_t update_interval_show(struct device *dev, struct device_attribute *attr, char *buf) { struct tmp401_data *data = dev_get_drvdata(dev); @@ -457,9 +457,9 @@ static ssize_t show_update_interval(struct device *dev, return sprintf(buf, "%u\n", data->update_interval); } -static ssize_t set_update_interval(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t update_interval_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) { struct tmp401_data *data = dev_get_drvdata(dev); struct i2c_client *client = data->client; @@ -521,8 +521,7 @@ static SENSOR_DEVICE_ATTR_2(temp2_max_alarm, S_IRUGO, show_status, NULL, static SENSOR_DEVICE_ATTR_2(temp2_crit_alarm, S_IRUGO, show_status, NULL, 3, TMP432_STATUS_REMOTE1); -static DEVICE_ATTR(update_interval, S_IRUGO | S_IWUSR, show_update_interval, - set_update_interval); +static DEVICE_ATTR_RW(update_interval); static struct attribute *tmp401_attributes[] = { &sensor_dev_attr_temp1_input.dev_attr.attr,