add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/rtc/rtc-ac100.c
..
..
@@ -1,18 +1,10 @@
1
+// SPDX-License-Identifier: GPL-2.0-only
1
2
 /*
2
3
  * RTC Driver for X-Powers AC100
3
4
  *
4
5
  * Copyright (c) 2016 Chen-Yu Tsai
5
6
  *
6
7
  * Chen-Yu Tsai <wens@csie.org>
7
- *
8
- * This program is free software; you can redistribute it and/or modify
9
- * it under the terms of the GNU General Public License version 2 as
10
- * published by the Free Software Foundation.
11
- *
12
- * This program is distributed in the hope that it will be useful, but WITHOUT
13
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
15
- * more details.
16
8
  */
17
9
 
18
10
 #include <linux/bcd.h>
..
..
@@ -586,10 +578,8 @@
586
578
 	chip->regmap = ac100->regmap;
587
579
 
588
580
 	chip->irq = platform_get_irq(pdev, 0);
589
-	if (chip->irq < 0) {
590
-		dev_err(&pdev->dev, "No IRQ resource\n");
581
+	if (chip->irq < 0)
591
582
 		return chip->irq;
592
-	}
593
583
 
594
584
 	chip->rtc = devm_rtc_allocate_device(&pdev->dev);
595
585
 	if (IS_ERR(chip->rtc))
..
..
@@ -620,15 +610,7 @@
620
610
 	if (ret)
621
611
 		return ret;
622
612
 
623
-	ret = rtc_register_device(chip->rtc);
624
-	if (ret) {
625
-		dev_err(&pdev->dev, "unable to register device\n");
626
-		return ret;
627
-	}
628
-
629
-	dev_info(&pdev->dev, "RTC enabled\n");
630
-
631
-	return 0;
613
+	return rtc_register_device(chip->rtc);
632
614
 }
633
615
 
634
616
 static int ac100_rtc_remove(struct platform_device *pdev)