From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools

---
 kernel/drivers/rtc/rtc-cpcap.c |   23 ++++++++---------------
 1 files changed, 8 insertions(+), 15 deletions(-)

diff --git a/kernel/drivers/rtc/rtc-cpcap.c b/kernel/drivers/rtc/rtc-cpcap.c
index 6b47717..800667d 100644
--- a/kernel/drivers/rtc/rtc-cpcap.c
+++ b/kernel/drivers/rtc/rtc-cpcap.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
 /*
  * Motorola CPCAP PMIC RTC driver
  *
@@ -12,15 +13,6 @@
  *  - remove custom "secure clock daemon" helpers
  *
  * Copyright (C) 2017 Sebastian Reichel <sre@kernel.org>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
  */
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -64,14 +56,14 @@
 	tod = (cpcap->tod1 & TOD1_MASK) | ((cpcap->tod2 & TOD2_MASK) << 8);
 	time = tod + ((cpcap->day & DAY_MASK) * SECS_PER_DAY);
 
-	rtc_time_to_tm(time, rtc);
+	rtc_time64_to_tm(time, rtc);
 }
 
 static void rtc2cpcap_time(struct cpcap_time *cpcap, struct rtc_time *rtc)
 {
 	unsigned long time;
 
-	rtc_tm_to_time(rtc, &time);
+	time = rtc_tm_to_time64(rtc);
 
 	cpcap->day = time / SECS_PER_DAY;
 	time %= SECS_PER_DAY;
@@ -264,11 +256,12 @@
 		return -ENODEV;
 
 	platform_set_drvdata(pdev, rtc);
-	rtc->rtc_dev = devm_rtc_device_register(dev, "cpcap_rtc",
-						&cpcap_rtc_ops, THIS_MODULE);
-
+	rtc->rtc_dev = devm_rtc_allocate_device(dev);
 	if (IS_ERR(rtc->rtc_dev))
 		return PTR_ERR(rtc->rtc_dev);
+
+	rtc->rtc_dev->ops = &cpcap_rtc_ops;
+	rtc->rtc_dev->range_max = (timeu64_t) (DAY_MASK + 1) * SECS_PER_DAY - 1;
 
 	err = cpcap_get_vendor(dev, rtc->regmap, &rtc->vendor);
 	if (err)
@@ -306,7 +299,7 @@
 		/* ignore error and continue without wakeup support */
 	}
 
-	return 0;
+	return rtc_register_device(rtc->rtc_dev);
 }
 
 static const struct of_device_id cpcap_rtc_of_match[] = {

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