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-tx4939.c | 47 ++++++++++++++++-------------------------------
1 files changed, 16 insertions(+), 31 deletions(-)
diff --git a/kernel/drivers/rtc/rtc-tx4939.c b/kernel/drivers/rtc/rtc-tx4939.c
index 61c110b..715b829 100644
--- a/kernel/drivers/rtc/rtc-tx4939.c
+++ b/kernel/drivers/rtc/rtc-tx4939.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* TX4939 internal RTC driver
* Based on RBTX49xx patch from CELF patch archive.
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
*
* (C) Copyright TOSHIBA CORPORATION 2005-2007
*/
@@ -45,11 +42,6 @@
spinlock_t lock;
};
-static struct tx4939rtc_plat_data *get_tx4939rtc_plat_data(struct device *dev)
-{
- return platform_get_drvdata(to_platform_device(dev));
-}
-
static int tx4939_rtc_cmd(struct tx4939_rtc_reg __iomem *rtcreg, int cmd)
{
int i = 0;
@@ -65,10 +57,11 @@
return 0;
}
-static int tx4939_rtc_set_mmss(struct device *dev, unsigned long secs)
+static int tx4939_rtc_set_time(struct device *dev, struct rtc_time *tm)
{
- struct tx4939rtc_plat_data *pdata = get_tx4939rtc_plat_data(dev);
+ struct tx4939rtc_plat_data *pdata = dev_get_drvdata(dev);
struct tx4939_rtc_reg __iomem *rtcreg = pdata->rtcreg;
+ unsigned long secs = rtc_tm_to_time64(tm);
int i, ret;
unsigned char buf[6];
@@ -91,7 +84,7 @@
static int tx4939_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- struct tx4939rtc_plat_data *pdata = get_tx4939rtc_plat_data(dev);
+ struct tx4939rtc_plat_data *pdata = dev_get_drvdata(dev);
struct tx4939_rtc_reg __iomem *rtcreg = pdata->rtcreg;
int i, ret;
unsigned long sec;
@@ -111,26 +104,19 @@
spin_unlock_irq(&pdata->lock);
sec = ((unsigned long)buf[5] << 24) | (buf[4] << 16) |
(buf[3] << 8) | buf[2];
- rtc_time_to_tm(sec, tm);
+ rtc_time64_to_tm(sec, tm);
return 0;
}
static int tx4939_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
- struct tx4939rtc_plat_data *pdata = get_tx4939rtc_plat_data(dev);
+ struct tx4939rtc_plat_data *pdata = dev_get_drvdata(dev);
struct tx4939_rtc_reg __iomem *rtcreg = pdata->rtcreg;
int i, ret;
unsigned long sec;
unsigned char buf[6];
- if (alrm->time.tm_sec < 0 ||
- alrm->time.tm_min < 0 ||
- alrm->time.tm_hour < 0 ||
- alrm->time.tm_mday < 0 ||
- alrm->time.tm_mon < 0 ||
- alrm->time.tm_year < 0)
- return -EINVAL;
- rtc_tm_to_time(&alrm->time, &sec);
+ sec = rtc_tm_to_time64(&alrm->time);
buf[0] = 0;
buf[1] = 0;
buf[2] = sec;
@@ -149,7 +135,7 @@
static int tx4939_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
{
- struct tx4939rtc_plat_data *pdata = get_tx4939rtc_plat_data(dev);
+ struct tx4939rtc_plat_data *pdata = dev_get_drvdata(dev);
struct tx4939_rtc_reg __iomem *rtcreg = pdata->rtcreg;
int i, ret;
unsigned long sec;
@@ -173,13 +159,13 @@
spin_unlock_irq(&pdata->lock);
sec = ((unsigned long)buf[5] << 24) | (buf[4] << 16) |
(buf[3] << 8) | buf[2];
- rtc_time_to_tm(sec, &alrm->time);
+ rtc_time64_to_tm(sec, &alrm->time);
return rtc_valid_tm(&alrm->time);
}
static int tx4939_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
{
- struct tx4939rtc_plat_data *pdata = get_tx4939rtc_plat_data(dev);
+ struct tx4939rtc_plat_data *pdata = dev_get_drvdata(dev);
spin_lock_irq(&pdata->lock);
tx4939_rtc_cmd(pdata->rtcreg,
@@ -191,7 +177,7 @@
static irqreturn_t tx4939_rtc_interrupt(int irq, void *dev_id)
{
- struct tx4939rtc_plat_data *pdata = get_tx4939rtc_plat_data(dev_id);
+ struct tx4939rtc_plat_data *pdata = dev_get_drvdata(dev_id);
struct tx4939_rtc_reg __iomem *rtcreg = pdata->rtcreg;
unsigned long events = RTC_IRQF;
@@ -210,7 +196,7 @@
.read_time = tx4939_rtc_read_time,
.read_alarm = tx4939_rtc_read_alarm,
.set_alarm = tx4939_rtc_set_alarm,
- .set_mmss = tx4939_rtc_set_mmss,
+ .set_time = tx4939_rtc_set_time,
.alarm_irq_enable = tx4939_rtc_alarm_irq_enable,
};
@@ -250,7 +236,6 @@
{
struct rtc_device *rtc;
struct tx4939rtc_plat_data *pdata;
- struct resource *res;
int irq, ret;
struct nvmem_config nvmem_cfg = {
.name = "tx4939_nvram",
@@ -267,8 +252,7 @@
return -ENOMEM;
platform_set_drvdata(pdev, pdata);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- pdata->rtcreg = devm_ioremap_resource(&pdev->dev, res);
+ pdata->rtcreg = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(pdata->rtcreg))
return PTR_ERR(pdata->rtcreg);
@@ -283,6 +267,7 @@
rtc->ops = &tx4939_rtc_ops;
rtc->nvram_old_abi = true;
+ rtc->range_max = U32_MAX;
pdata->rtc = rtc;
@@ -315,5 +300,5 @@
MODULE_AUTHOR("Atsushi Nemoto <anemo@mba.ocn.ne.jp>");
MODULE_DESCRIPTION("TX4939 internal RTC driver");
-MODULE_LICENSE("GPL");
+MODULE_LICENSE("GPL v2");
MODULE_ALIAS("platform:tx4939rtc");
--
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