diff options
Diffstat (limited to 'drivers/rtc/rtc-proc.c')
| -rw-r--r-- | drivers/rtc/rtc-proc.c | 148 |
1 files changed, 0 insertions, 148 deletions
diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c deleted file mode 100644 index ffa69e1c9245..000000000000 --- a/drivers/rtc/rtc-proc.c +++ /dev/null @@ -1,148 +0,0 @@ -/* - * RTC subsystem, proc interface - * - * Copyright (C) 2005-06 Tower Technologies - * Author: Alessandro Zummo <a.zummo@towertech.it> - * - * based on arch/arm/common/rtctime.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/module.h> -#include <linux/rtc.h> -#include <linux/proc_fs.h> -#include <linux/seq_file.h> - -#include "rtc-core.h" - -#define NAME_SIZE 10 - -#if defined(CONFIG_RTC_HCTOSYS_DEVICE) -static bool is_rtc_hctosys(struct rtc_device *rtc) -{ - int size; - char name[NAME_SIZE]; - - size = scnprintf(name, NAME_SIZE, "rtc%d", rtc->id); - if (size > NAME_SIZE) - return false; - - return !strncmp(name, CONFIG_RTC_HCTOSYS_DEVICE, NAME_SIZE); -} -#else -static bool is_rtc_hctosys(struct rtc_device *rtc) -{ - return (rtc->id == 0); -} -#endif - -static int rtc_proc_show(struct seq_file *seq, void *offset) -{ - int err; - struct rtc_device *rtc = seq->private; - const struct rtc_class_ops *ops = rtc->ops; - struct rtc_wkalrm alrm; - struct rtc_time tm; - - err = rtc_read_time(rtc, &tm); - if (err == 0) { - seq_printf(seq, - "rtc_time\t: %02d:%02d:%02d\n" - "rtc_date\t: %04d-%02d-%02d\n", - tm.tm_hour, tm.tm_min, tm.tm_sec, - tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday); - } - - err = rtc_read_alarm(rtc, &alrm); - if (err == 0) { - seq_printf(seq, "alrm_time\t: "); - if ((unsigned int)alrm.time.tm_hour <= 24) - seq_printf(seq, "%02d:", alrm.time.tm_hour); - else - seq_printf(seq, "**:"); - if ((unsigned int)alrm.time.tm_min <= 59) - seq_printf(seq, "%02d:", alrm.time.tm_min); - else - seq_printf(seq, "**:"); - if ((unsigned int)alrm.time.tm_sec <= 59) - seq_printf(seq, "%02d\n", alrm.time.tm_sec); - else - seq_printf(seq, "**\n"); - - seq_printf(seq, "alrm_date\t: "); - if ((unsigned int)alrm.time.tm_year <= 200) - seq_printf(seq, "%04d-", alrm.time.tm_year + 1900); - else - seq_printf(seq, "****-"); - if ((unsigned int)alrm.time.tm_mon <= 11) - seq_printf(seq, "%02d-", alrm.time.tm_mon + 1); - else - seq_printf(seq, "**-"); - if (alrm.time.tm_mday && (unsigned int)alrm.time.tm_mday <= 31) - seq_printf(seq, "%02d\n", alrm.time.tm_mday); - else - seq_printf(seq, "**\n"); - seq_printf(seq, "alarm_IRQ\t: %s\n", - alrm.enabled ? "yes" : "no"); - seq_printf(seq, "alrm_pending\t: %s\n", - alrm.pending ? "yes" : "no"); - seq_printf(seq, "update IRQ enabled\t: %s\n", - (rtc->uie_rtctimer.enabled) ? "yes" : "no"); - seq_printf(seq, "periodic IRQ enabled\t: %s\n", - (rtc->pie_enabled) ? "yes" : "no"); - seq_printf(seq, "periodic IRQ frequency\t: %d\n", - rtc->irq_freq); - seq_printf(seq, "max user IRQ frequency\t: %d\n", - rtc->max_user_freq); - } - - seq_printf(seq, "24hr\t\t: yes\n"); - - if (ops->proc) - ops->proc(rtc->dev.parent, seq); - - return 0; -} - -static int rtc_proc_open(struct inode *inode, struct file *file) -{ - int ret; - struct rtc_device *rtc = PDE_DATA(inode); - - if (!try_module_get(THIS_MODULE)) - return -ENODEV; - - ret = single_open(file, rtc_proc_show, rtc); - if (ret) - module_put(THIS_MODULE); - return ret; -} - -static int rtc_proc_release(struct inode *inode, struct file *file) -{ - int res = single_release(inode, file); - module_put(THIS_MODULE); - return res; -} - -static const struct file_operations rtc_proc_fops = { - .open = rtc_proc_open, - .read = seq_read, - .llseek = seq_lseek, - .release = rtc_proc_release, -}; - -void rtc_proc_add_device(struct rtc_device *rtc) -{ - if (is_rtc_hctosys(rtc)) - proc_create_data("driver/rtc", 0, NULL, &rtc_proc_fops, rtc); -} - -void rtc_proc_del_device(struct rtc_device *rtc) -{ - if (is_rtc_hctosys(rtc)) - remove_proc_entry("driver/rtc", NULL); -} |
