1 files changed, 49 insertions, 65 deletions

diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c
index cef5f5a3bbf..ffa69e1c924 100644
--- a/drivers/rtc/rtc-proc.c
+++ b/drivers/rtc/rtc-proc.c
@@ -16,18 +16,38 @@
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 
-static struct class_device *rtc_dev = NULL;
-static DEFINE_MUTEX(rtc_lock);
+#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 class_device *class_dev = seq->private;
-	struct rtc_class_ops *ops = to_rtc_device(class_dev)->ops;
+	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(class_dev, &tm);
+	err = rtc_read_time(rtc, &tm);
 	if (err == 0) {
 		seq_printf(seq,
 			"rtc_time\t: %02d:%02d:%02d\n"
@@ -36,7 +56,7 @@ static int rtc_proc_show(struct seq_file *seq, void *offset)
 			tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday);
 	}
 
-	err = rtc_read_alarm(class_dev, &alrm);
+	err = rtc_read_alarm(rtc, &alrm);
 	if (err == 0) {
 		seq_printf(seq, "alrm_time\t: ");
 		if ((unsigned int)alrm.time.tm_hour <= 24)
@@ -61,32 +81,44 @@ static int rtc_proc_show(struct seq_file *seq, void *offset)
 			seq_printf(seq, "%02d-", alrm.time.tm_mon + 1);
 		else
 			seq_printf(seq, "**-");
-		if ((unsigned int)alrm.time.tm_mday <= 31)
+		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, "alrm_wakeup\t: %s\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(class_dev->dev, seq);
+		ops->proc(rtc->dev.parent, seq);
 
 	return 0;
 }
 
 static int rtc_proc_open(struct inode *inode, struct file *file)
 {
-	struct class_device *class_dev = PDE(inode)->data;
+	int ret;
+	struct rtc_device *rtc = PDE_DATA(inode);
 
 	if (!try_module_get(THIS_MODULE))
 		return -ENODEV;
 
-	return single_open(file, rtc_proc_show, class_dev);
+	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)
@@ -96,69 +128,21 @@ static int rtc_proc_release(struct inode *inode, struct file *file)
 	return res;
 }
 
-static struct file_operations rtc_proc_fops = {
+static const struct file_operations rtc_proc_fops = {
 	.open		= rtc_proc_open,
 	.read		= seq_read,
 	.llseek		= seq_lseek,
 	.release	= rtc_proc_release,
 };
 
-static int rtc_proc_add_device(struct class_device *class_dev,
-					struct class_interface *class_intf)
+void rtc_proc_add_device(struct rtc_device *rtc)
 {
-	mutex_lock(&rtc_lock);
-	if (rtc_dev == NULL) {
-		struct proc_dir_entry *ent;
-
-		rtc_dev = class_dev;
-
-		ent = create_proc_entry("driver/rtc", 0, NULL);
-		if (ent) {
-			struct rtc_device *rtc = to_rtc_device(class_dev);
-
-			ent->proc_fops = &rtc_proc_fops;
-			ent->owner = rtc->owner;
-			ent->data = class_dev;
-
-			dev_info(class_dev->dev, "rtc intf: proc\n");
-		}
-		else
-			rtc_dev = NULL;
-	}
-	mutex_unlock(&rtc_lock);
-
-	return 0;
+	if (is_rtc_hctosys(rtc))
+		proc_create_data("driver/rtc", 0, NULL, &rtc_proc_fops, rtc);
 }
 
-static void rtc_proc_remove_device(struct class_device *class_dev,
-					struct class_interface *class_intf)
+void rtc_proc_del_device(struct rtc_device *rtc)
 {
-	mutex_lock(&rtc_lock);
-	if (rtc_dev == class_dev) {
+	if (is_rtc_hctosys(rtc))
 		remove_proc_entry("driver/rtc", NULL);
-		rtc_dev = NULL;
-	}
-	mutex_unlock(&rtc_lock);
 }
-
-static struct class_interface rtc_proc_interface = {
-	.add = &rtc_proc_add_device,
-	.remove = &rtc_proc_remove_device,
-};
-
-static int __init rtc_proc_init(void)
-{
-	return rtc_interface_register(&rtc_proc_interface);
-}
-
-static void __exit rtc_proc_exit(void)
-{
-	class_interface_unregister(&rtc_proc_interface);
-}
-
-module_init(rtc_proc_init);
-module_exit(rtc_proc_exit);
-
-MODULE_AUTHOR("Alessandro Zummo <a.zummo@towertech.it>");
-MODULE_DESCRIPTION("RTC class proc interface");
-MODULE_LICENSE("GPL");