diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index f3ad3ecdd98923e2b3853935c8848fe6fe949416..c7131a9a80ebb67adf2b2d43ed8a44a4a5d97d46 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -940,6 +940,14 @@ void start_tty(struct tty_struct *tty)
 
 EXPORT_SYMBOL(start_tty);
 
+static void tty_update_time(struct timespec *time)
+{
+	unsigned long sec = get_seconds();
+	sec -= sec % 60;
+	if ((long)(sec - time->tv_sec) > 0)
+		time->tv_sec = sec;
+}
+
 /**
  *	tty_read	-	read method for tty device files
  *	@file: pointer to tty file
@@ -977,6 +985,9 @@ static ssize_t tty_read(struct file *file, char __user *buf, size_t count,
 		i = -EIO;
 	tty_ldisc_deref(ld);
 
+	if (i > 0)
+		tty_update_time(&inode->i_atime);
+
 	return i;
 }
 
@@ -1077,8 +1088,11 @@ static inline ssize_t do_tty_write(
 			break;
 		cond_resched();
 	}
-	if (written)
+	if (written) {
+               struct inode *inode = file->f_path.dentry->d_inode;
+		tty_update_time(&inode->i_mtime);
 		ret = written;
+	}
 out:
 	tty_write_unlock(tty);
 	return ret;