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path: root/drivers/rtc/sysfs.c
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Diffstat (limited to 'drivers/rtc/sysfs.c')
-rw-r--r--drivers/rtc/sysfs.c23
1 files changed, 9 insertions, 14 deletions
diff --git a/drivers/rtc/sysfs.c b/drivers/rtc/sysfs.c
index a8f22ee726bb..be3531e7f868 100644
--- a/drivers/rtc/sysfs.c
+++ b/drivers/rtc/sysfs.c
@@ -1,20 +1,16 @@
1// SPDX-License-Identifier: GPL-2.0
1/* 2/*
2 * RTC subsystem, sysfs interface 3 * RTC subsystem, sysfs interface
3 * 4 *
4 * Copyright (C) 2005 Tower Technologies 5 * Copyright (C) 2005 Tower Technologies
5 * Author: Alessandro Zummo <a.zummo@towertech.it> 6 * Author: Alessandro Zummo <a.zummo@towertech.it>
6 * 7 */
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10*/
11 8
12#include <linux/module.h> 9#include <linux/module.h>
13#include <linux/rtc.h> 10#include <linux/rtc.h>
14 11
15#include "rtc-core.h" 12#include "rtc-core.h"
16 13
17
18/* device attributes */ 14/* device attributes */
19 15
20/* 16/*
@@ -86,7 +82,7 @@ max_user_freq_show(struct device *dev, struct device_attribute *attr, char *buf)
86 82
87static ssize_t 83static ssize_t
88max_user_freq_store(struct device *dev, struct device_attribute *attr, 84max_user_freq_store(struct device *dev, struct device_attribute *attr,
89 const char *buf, size_t n) 85 const char *buf, size_t n)
90{ 86{
91 struct rtc_device *rtc = to_rtc_device(dev); 87 struct rtc_device *rtc = to_rtc_device(dev);
92 unsigned long val; 88 unsigned long val;
@@ -116,12 +112,11 @@ hctosys_show(struct device *dev, struct device_attribute *attr, char *buf)
116{ 112{
117#ifdef CONFIG_RTC_HCTOSYS_DEVICE 113#ifdef CONFIG_RTC_HCTOSYS_DEVICE
118 if (rtc_hctosys_ret == 0 && 114 if (rtc_hctosys_ret == 0 &&
119 strcmp(dev_name(&to_rtc_device(dev)->dev), 115 strcmp(dev_name(&to_rtc_device(dev)->dev),
120 CONFIG_RTC_HCTOSYS_DEVICE) == 0) 116 CONFIG_RTC_HCTOSYS_DEVICE) == 0)
121 return sprintf(buf, "1\n"); 117 return sprintf(buf, "1\n");
122 else
123#endif 118#endif
124 return sprintf(buf, "0\n"); 119 return sprintf(buf, "0\n");
125} 120}
126static DEVICE_ATTR_RO(hctosys); 121static DEVICE_ATTR_RO(hctosys);
127 122
@@ -175,15 +170,15 @@ wakealarm_store(struct device *dev, struct device_attribute *attr,
175 if (*buf_ptr == '=') { 170 if (*buf_ptr == '=') {
176 buf_ptr++; 171 buf_ptr++;
177 push = 1; 172 push = 1;
178 } else 173 } else {
179 adjust = 1; 174 adjust = 1;
175 }
180 } 176 }
181 retval = kstrtos64(buf_ptr, 0, &alarm); 177 retval = kstrtos64(buf_ptr, 0, &alarm);
182 if (retval) 178 if (retval)
183 return retval; 179 return retval;
184 if (adjust) { 180 if (adjust)
185 alarm += now; 181 alarm += now;
186 }
187 if (alarm > now || push) { 182 if (alarm > now || push) {
188 /* Avoid accidentally clobbering active alarms; we can't 183 /* Avoid accidentally clobbering active alarms; we can't
189 * entirely prevent that here, without even the minimal 184 * entirely prevent that here, without even the minimal