From patchwork Thu Dec 22 12:05:11 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julia Lawall X-Patchwork-Id: 9484855 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 1F3F5601D5 for ; Thu, 22 Dec 2016 12:36:03 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 0D6EF28285 for ; Thu, 22 Dec 2016 12:36:03 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 022F12843B; Thu, 22 Dec 2016 12:36:02 +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 795C92842C for ; Thu, 22 Dec 2016 12:36:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756193AbcLVMfi (ORCPT ); Thu, 22 Dec 2016 07:35:38 -0500 Received: from mail2-relais-roc.national.inria.fr ([192.134.164.83]:3902 "EHLO mail2-relais-roc.national.inria.fr" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965391AbcLVM1F (ORCPT ); Thu, 22 Dec 2016 07:27:05 -0500 X-IronPort-AV: E=Sophos;i="5.33,388,1477954800"; d="scan'208";a="251191302" 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: Jean Delvare Cc: kernel-janitors@vger.kernel.org, Guenter Roeck , linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 42/66] hwmon: (w83627hf) use permission-specific DEVICE_ATTR variants Date: Thu, 22 Dec 2016 13:05:11 +0100 Message-Id: <1482408335-3435-43-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/w83627hf.c | 53 ++++++++++++++++++++++++----------------------- 1 file changed, 28 insertions(+), 25 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/w83627hf.c b/drivers/hwmon/w83627hf.c index 721295b..8ac89d0 100644 --- a/drivers/hwmon/w83627hf.c +++ b/drivers/hwmon/w83627hf.c @@ -575,26 +575,30 @@ static ssize_t show_in_0(struct w83627hf_data *data, char *buf, u8 reg) return sprintf(buf,"%ld\n", in0); } -static ssize_t show_regs_in_0(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t in0_input_show(struct device *dev, + struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return show_in_0(data, buf, data->in[0]); } -static ssize_t show_regs_in_min0(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t in0_min_show(struct device *dev, struct device_attribute *attr, + char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return show_in_0(data, buf, data->in_min[0]); } -static ssize_t show_regs_in_max0(struct device *dev, struct device_attribute *attr, char *buf) +static ssize_t in0_max_show(struct device *dev, struct device_attribute *attr, + char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return show_in_0(data, buf, data->in_max[0]); } -static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t in0_min_store(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) { struct w83627hf_data *data = dev_get_drvdata(dev); unsigned long val; @@ -622,8 +626,9 @@ static ssize_t store_regs_in_min0(struct device *dev, struct device_attribute *a return count; } -static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *attr, - const char *buf, size_t count) +static ssize_t in0_max_store(struct device *dev, + struct device_attribute *attr, const char *buf, + size_t count) { struct w83627hf_data *data = dev_get_drvdata(dev); unsigned long val; @@ -651,11 +656,9 @@ static ssize_t store_regs_in_max0(struct device *dev, struct device_attribute *a return count; } -static DEVICE_ATTR(in0_input, S_IRUGO, show_regs_in_0, NULL); -static DEVICE_ATTR(in0_min, S_IRUGO | S_IWUSR, - show_regs_in_min0, store_regs_in_min0); -static DEVICE_ATTR(in0_max, S_IRUGO | S_IWUSR, - show_regs_in_max0, store_regs_in_max0); +static DEVICE_ATTR_RO(in0_input); +static DEVICE_ATTR_RW(in0_min); +static DEVICE_ATTR_RW(in0_max); static ssize_t show_fan_input(struct device *dev, struct device_attribute *devattr, char *buf) @@ -796,21 +799,22 @@ static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ sysfs_temp_decl(3); static ssize_t -show_vid_reg(struct device *dev, struct device_attribute *attr, char *buf) +cpu0_vid_show(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return sprintf(buf, "%ld\n", (long) vid_from_reg(data->vid, data->vrm)); } -static DEVICE_ATTR(cpu0_vid, S_IRUGO, show_vid_reg, NULL); +static DEVICE_ATTR_RO(cpu0_vid); static ssize_t -show_vrm_reg(struct device *dev, struct device_attribute *attr, char *buf) +vrm_show(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = dev_get_drvdata(dev); return sprintf(buf, "%ld\n", (long) data->vrm); } static ssize_t -store_vrm_reg(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) +vrm_store(struct device *dev, struct device_attribute *attr, const char *buf, + size_t count) { struct w83627hf_data *data = dev_get_drvdata(dev); unsigned long val; @@ -826,15 +830,15 @@ static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ return count; } -static DEVICE_ATTR(vrm, S_IRUGO | S_IWUSR, show_vrm_reg, store_vrm_reg); +static DEVICE_ATTR_RW(vrm); static ssize_t -show_alarms_reg(struct device *dev, struct device_attribute *attr, char *buf) +alarms_show(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return sprintf(buf, "%ld\n", (long) data->alarms); } -static DEVICE_ATTR(alarms, S_IRUGO, show_alarms_reg, NULL); +static DEVICE_ATTR_RO(alarms); static ssize_t show_alarm(struct device *dev, struct device_attribute *attr, char *buf) @@ -860,7 +864,7 @@ static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ static SENSOR_DEVICE_ATTR(temp3_alarm, S_IRUGO, show_alarm, NULL, 13); static ssize_t -show_beep_mask(struct device *dev, struct device_attribute *attr, char *buf) +beep_mask_show(struct device *dev, struct device_attribute *attr, char *buf) { struct w83627hf_data *data = w83627hf_update_device(dev); return sprintf(buf, "%ld\n", @@ -868,7 +872,7 @@ static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ } static ssize_t -store_beep_mask(struct device *dev, struct device_attribute *attr, +beep_mask_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { struct w83627hf_data *data = dev_get_drvdata(dev); @@ -895,8 +899,7 @@ static SENSOR_DEVICE_ATTR(temp##offset##_max_hyst, S_IRUGO|S_IWUSR, \ return count; } -static DEVICE_ATTR(beep_mask, S_IRUGO | S_IWUSR, - show_beep_mask, store_beep_mask); +static DEVICE_ATTR_RW(beep_mask); static ssize_t show_beep(struct device *dev, struct device_attribute *attr, char *buf) @@ -1264,13 +1267,13 @@ static SENSOR_DEVICE_ATTR(temp##offset##_type, S_IRUGO | S_IWUSR, \ sysfs_temp_type(3); static ssize_t -show_name(struct device *dev, struct device_attribute *devattr, char *buf) +name_show(struct device *dev, struct device_attribute *devattr, char *buf) { struct w83627hf_data *data = dev_get_drvdata(dev); return sprintf(buf, "%s\n", data->name); } -static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); +static DEVICE_ATTR_RO(name); static int __init w83627hf_find(int sioaddr, unsigned short *addr, struct w83627hf_sio_data *sio_data)