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-goldfish.c | 60 ++++++++++++++++++------------------------------------------
1 files changed, 18 insertions(+), 42 deletions(-)
diff --git a/kernel/drivers/rtc/rtc-goldfish.c b/kernel/drivers/rtc/rtc-goldfish.c
index 30cbe22..6349d2c 100644
--- a/kernel/drivers/rtc/rtc-goldfish.c
+++ b/kernel/drivers/rtc/rtc-goldfish.c
@@ -1,23 +1,15 @@
+// SPDX-License-Identifier: GPL-2.0
/* drivers/rtc/rtc-goldfish.c
*
* Copyright (C) 2007 Google, Inc.
* Copyright (C) 2017 Imagination Technologies Ltd.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * 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/io.h>
#include <linux/module.h>
+#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/rtc.h>
-#include <linux/io.h>
#define TIMER_TIME_LOW 0x00 /* get low bits of current time */
/* and update TIMER_TIME_HIGH */
@@ -56,7 +48,7 @@
do_div(rtc_alarm, NSEC_PER_SEC);
memset(alrm, 0, sizeof(struct rtc_wkalrm));
- rtc_time_to_tm(rtc_alarm, &alrm->time);
+ rtc_time64_to_tm(rtc_alarm, &alrm->time);
if (readl(base + TIMER_ALARM_STATUS))
alrm->enabled = 1;
@@ -70,21 +62,15 @@
struct rtc_wkalrm *alrm)
{
struct goldfish_rtc *rtcdrv;
- unsigned long rtc_alarm;
u64 rtc_alarm64;
u64 rtc_status_reg;
void __iomem *base;
- int ret = 0;
rtcdrv = dev_get_drvdata(dev);
base = rtcdrv->base;
if (alrm->enabled) {
- ret = rtc_tm_to_time(&alrm->time, &rtc_alarm);
- if (ret != 0)
- return ret;
-
- rtc_alarm64 = rtc_alarm * NSEC_PER_SEC;
+ rtc_alarm64 = rtc_tm_to_time64(&alrm->time) * NSEC_PER_SEC;
writel((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
writel(rtc_alarm64, base + TIMER_ALARM_LOW);
writel(1, base + TIMER_IRQ_ENABLED);
@@ -99,7 +85,7 @@
writel(1, base + TIMER_CLEAR_ALARM);
}
- return ret;
+ return 0;
}
static int goldfish_rtc_alarm_irq_enable(struct device *dev,
@@ -148,7 +134,7 @@
do_div(time, NSEC_PER_SEC);
- rtc_time_to_tm(time, tm);
+ rtc_time64_to_tm(time, tm);
return 0;
}
@@ -157,21 +143,16 @@
{
struct goldfish_rtc *rtcdrv;
void __iomem *base;
- unsigned long now;
u64 now64;
- int ret;
rtcdrv = dev_get_drvdata(dev);
base = rtcdrv->base;
- ret = rtc_tm_to_time(tm, &now);
- if (ret == 0) {
- now64 = now * NSEC_PER_SEC;
- writel((now64 >> 32), base + TIMER_TIME_HIGH);
- writel(now64, base + TIMER_TIME_LOW);
- }
+ now64 = rtc_tm_to_time64(tm) * NSEC_PER_SEC;
+ writel((now64 >> 32), base + TIMER_TIME_HIGH);
+ writel(now64, base + TIMER_TIME_LOW);
- return ret;
+ return 0;
}
static const struct rtc_class_ops goldfish_rtc_ops = {
@@ -185,7 +166,6 @@
static int goldfish_rtc_probe(struct platform_device *pdev)
{
struct goldfish_rtc *rtcdrv;
- struct resource *r;
int err;
rtcdrv = devm_kzalloc(&pdev->dev, sizeof(*rtcdrv), GFP_KERNEL);
@@ -193,24 +173,20 @@
return -ENOMEM;
platform_set_drvdata(pdev, rtcdrv);
-
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- if (!r)
- return -ENODEV;
-
- rtcdrv->base = devm_ioremap_resource(&pdev->dev, r);
+ rtcdrv->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(rtcdrv->base))
- return -ENODEV;
+ return PTR_ERR(rtcdrv->base);
rtcdrv->irq = platform_get_irq(pdev, 0);
if (rtcdrv->irq < 0)
return -ENODEV;
- rtcdrv->rtc = devm_rtc_device_register(&pdev->dev, pdev->name,
- &goldfish_rtc_ops,
- THIS_MODULE);
+ rtcdrv->rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(rtcdrv->rtc))
return PTR_ERR(rtcdrv->rtc);
+
+ rtcdrv->rtc->ops = &goldfish_rtc_ops;
+ rtcdrv->rtc->range_max = U64_MAX / NSEC_PER_SEC;
err = devm_request_irq(&pdev->dev, rtcdrv->irq,
goldfish_rtc_interrupt,
@@ -218,7 +194,7 @@
if (err)
return err;
- return 0;
+ return rtc_register_device(rtcdrv->rtc);
}
static const struct of_device_id goldfish_rtc_of_match[] = {
--
Gitblit v1.6.2