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-armada38x.c | 51 +++++++++++++--------------------------------------
1 files changed, 13 insertions(+), 38 deletions(-)
diff --git a/kernel/drivers/rtc/rtc-armada38x.c b/kernel/drivers/rtc/rtc-armada38x.c
index b74338d..94d7c22 100644
--- a/kernel/drivers/rtc/rtc-armada38x.c
+++ b/kernel/drivers/rtc/rtc-armada38x.c
@@ -1,15 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* RTC driver for the Armada 38x Marvell SoCs
*
* Copyright (C) 2015 Marvell
*
* Gregory Clement <gregory.clement@free-electrons.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of the
- * License, or (at your option) any later version.
- *
*/
#include <linux/delay.h>
@@ -79,7 +74,7 @@
int irq;
bool initialized;
struct value_to_freq *val_to_freq;
- struct armada38x_rtc_data *data;
+ const struct armada38x_rtc_data *data;
};
#define ALARM1 0
@@ -224,7 +219,7 @@
time = rtc->data->read_rtc_reg(rtc, RTC_TIME);
spin_unlock_irqrestore(&rtc->lock, flags);
- rtc_time_to_tm(time, tm);
+ rtc_time64_to_tm(time, tm);
return 0;
}
@@ -249,13 +244,9 @@
static int armada38x_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
struct armada38x_rtc *rtc = dev_get_drvdata(dev);
- int ret = 0;
unsigned long time, flags;
- ret = rtc_tm_to_time(tm, &time);
-
- if (ret)
- goto out;
+ time = rtc_tm_to_time64(tm);
if (!rtc->initialized)
armada38x_rtc_reset(rtc);
@@ -264,8 +255,7 @@
rtc_delayed_write(time, rtc, RTC_TIME);
spin_unlock_irqrestore(&rtc->lock, flags);
-out:
- return ret;
+ return 0;
}
static int armada38x_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
@@ -284,7 +274,7 @@
spin_unlock_irqrestore(&rtc->lock, flags);
alrm->enabled = val ? 1 : 0;
- rtc_time_to_tm(time, &alrm->time);
+ rtc_time64_to_tm(time, &alrm->time);
return 0;
}
@@ -295,12 +285,8 @@
u32 reg = ALARM_REG(RTC_ALARM1, rtc->data->alarm);
u32 reg_irq = ALARM_REG(RTC_IRQ1_CONF, rtc->data->alarm);
unsigned long time, flags;
- int ret = 0;
- ret = rtc_tm_to_time(&alrm->time, &time);
-
- if (ret)
- goto out;
+ time = rtc_tm_to_time64(&alrm->time);
spin_lock_irqsave(&rtc->lock, flags);
@@ -313,8 +299,7 @@
spin_unlock_irqrestore(&rtc->lock, flags);
-out:
- return ret;
+ return 0;
}
static int armada38x_rtc_alarm_irq_enable(struct device *dev,
@@ -516,17 +501,13 @@
{
struct resource *res;
struct armada38x_rtc *rtc;
- const struct of_device_id *match;
- int ret;
-
- match = of_match_device(armada38x_rtc_of_match_table, &pdev->dev);
- if (!match)
- return -ENODEV;
rtc = devm_kzalloc(&pdev->dev, sizeof(struct armada38x_rtc),
GFP_KERNEL);
if (!rtc)
return -ENOMEM;
+
+ rtc->data = of_device_get_match_data(&pdev->dev);
rtc->val_to_freq = devm_kcalloc(&pdev->dev, SAMPLE_NR,
sizeof(struct value_to_freq), GFP_KERNEL);
@@ -545,11 +526,8 @@
return PTR_ERR(rtc->regs_soc);
rtc->irq = platform_get_irq(pdev, 0);
-
- if (rtc->irq < 0) {
- dev_err(&pdev->dev, "no irq\n");
+ if (rtc->irq < 0)
return rtc->irq;
- }
rtc->rtc_dev = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(rtc->rtc_dev))
@@ -572,16 +550,13 @@
*/
rtc->rtc_dev->ops = &armada38x_rtc_ops_noirq;
}
- rtc->data = (struct armada38x_rtc_data *)match->data;
/* Update RTC-MBUS bridge timing parameters */
rtc->data->update_mbus_timing(rtc);
- ret = rtc_register_device(rtc->rtc_dev);
- if (ret)
- dev_err(&pdev->dev, "Failed to register RTC device: %d\n", ret);
+ rtc->rtc_dev->range_max = U32_MAX;
- return ret;
+ return rtc_register_device(rtc->rtc_dev);
}
#ifdef CONFIG_PM_SLEEP
--
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