Contributors: 8
	  
        
          | Author | 
          Tokens | 
          Token Proportion | 
          Commits | 
          Commit Proportion | 
        
	  
	  
        
        
          | Alessandro Zummo | 
          207 | 
          52.27% | 
          2 | 
          15.38% | 
        
        
          | Kim (Woogyom) Milo | 
          95 | 
          23.99% | 
          1 | 
          7.69% | 
        
        
          | Marcelo Roberto Jimenez | 
          58 | 
          14.65% | 
          1 | 
          7.69% | 
        
        
          | David Brownell | 
          21 | 
          5.30% | 
          5 | 
          38.46% | 
        
        
          | Andy Shevchenko | 
          8 | 
          2.02% | 
          1 | 
          7.69% | 
        
        
          | Denis V. Lunev | 
          3 | 
          0.76% | 
          1 | 
          7.69% | 
        
        
          | Alexandre Belloni | 
          2 | 
          0.51% | 
          1 | 
          7.69% | 
        
        
          | Christoph Hellwig | 
          2 | 
          0.51% | 
          1 | 
          7.69% | 
        
	  
	  
        
          | Total | 
          396 | 
           | 
          13 | 
           | 
	    
	  
    
 
// SPDX-License-Identifier: GPL-2.0
/*
 * RTC subsystem, proc interface
 *
 * Copyright (C) 2005-06 Tower Technologies
 * Author: Alessandro Zummo <a.zummo@towertech.it>
 *
 * based on arch/arm/common/rtctime.c
 */
#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: %ptRt\n"
			   "rtc_date\t: %ptRd\n",
			   &tm, &tm);
	}
	err = rtc_read_alarm(rtc, &alrm);
	if (err == 0) {
		seq_printf(seq, "alrm_time\t: %ptRt\n", &alrm.time);
		seq_printf(seq, "alrm_date\t: %ptRd\n", &alrm.time);
		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;
}
void rtc_proc_add_device(struct rtc_device *rtc)
{
	if (is_rtc_hctosys(rtc))
		proc_create_single_data("driver/rtc", 0, NULL, rtc_proc_show,
					rtc);
}
void rtc_proc_del_device(struct rtc_device *rtc)
{
	if (is_rtc_hctosys(rtc))
		remove_proc_entry("driver/rtc", NULL);
}