From 9370bb92b2d16684ee45cf24e879c93c509162da Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 19 Dec 2024 01:47:39 +0000
Subject: [PATCH] add wifi6 8852be driver
---
kernel/arch/sh/boards/mach-dreamcast/rtc.c | 51 +++++++++++++++++++++++++++++++++------------------
1 files changed, 33 insertions(+), 18 deletions(-)
diff --git a/kernel/arch/sh/boards/mach-dreamcast/rtc.c b/kernel/arch/sh/boards/mach-dreamcast/rtc.c
index 061d657..7873cd2 100644
--- a/kernel/arch/sh/boards/mach-dreamcast/rtc.c
+++ b/kernel/arch/sh/boards/mach-dreamcast/rtc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* arch/sh/boards/dreamcast/rtc.c
*
@@ -5,14 +6,12 @@
*
* Copyright (c) 2001, 2002 M. R. Brown <mrbrown@0xd6.org>
* Copyright (c) 2002 Paul Mundt <lethal@chaoticdreams.org>
- *
- * Released under the terms of the GNU GPL v2.0.
- *
*/
#include <linux/time.h>
-#include <asm/rtc.h>
-#include <asm/io.h>
+#include <linux/rtc.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
/* The AICA RTC has an Epoch of 1/1/1950, so we must subtract 20 years (in
seconds) to get the standard Unix Epoch when getting the time, and add
@@ -26,13 +25,15 @@
/**
* aica_rtc_gettimeofday - Get the time from the AICA RTC
- * @ts: pointer to resulting timespec
+ * @dev: the RTC device (ignored)
+ * @tm: pointer to resulting RTC time structure
*
* Grabs the current RTC seconds counter and adjusts it to the Unix Epoch.
*/
-static void aica_rtc_gettimeofday(struct timespec *ts)
+static int aica_rtc_gettimeofday(struct device *dev, struct rtc_time *tm)
{
unsigned long val1, val2;
+ time64_t t;
do {
val1 = ((__raw_readl(AICA_RTC_SECS_H) & 0xffff) << 16) |
@@ -42,22 +43,26 @@
(__raw_readl(AICA_RTC_SECS_L) & 0xffff);
} while (val1 != val2);
- ts->tv_sec = val1 - TWENTY_YEARS;
+ /* normalize to 1970..2106 time range */
+ t = (u32)(val1 - TWENTY_YEARS);
- /* Can't get nanoseconds with just a seconds counter. */
- ts->tv_nsec = 0;
+ rtc_time64_to_tm(t, tm);
+
+ return 0;
}
/**
* aica_rtc_settimeofday - Set the AICA RTC to the current time
- * @secs: contains the time_t to set
+ * @dev: the RTC device (ignored)
+ * @tm: pointer to new RTC time structure
*
* Adjusts the given @tv to the AICA Epoch and sets the RTC seconds counter.
*/
-static int aica_rtc_settimeofday(const time_t secs)
+static int aica_rtc_settimeofday(struct device *dev, struct rtc_time *tm)
{
unsigned long val1, val2;
- unsigned long adj = secs + TWENTY_YEARS;
+ time64_t secs = rtc_tm_to_time64(tm);
+ u32 adj = secs + TWENTY_YEARS;
do {
__raw_writel((adj & 0xffff0000) >> 16, AICA_RTC_SECS_H);
@@ -73,9 +78,19 @@
return 0;
}
-void aica_time_init(void)
-{
- rtc_sh_get_time = aica_rtc_gettimeofday;
- rtc_sh_set_time = aica_rtc_settimeofday;
-}
+static const struct rtc_class_ops rtc_generic_ops = {
+ .read_time = aica_rtc_gettimeofday,
+ .set_time = aica_rtc_settimeofday,
+};
+static int __init aica_time_init(void)
+{
+ struct platform_device *pdev;
+
+ pdev = platform_device_register_data(NULL, "rtc-generic", -1,
+ &rtc_generic_ops,
+ sizeof(rtc_generic_ops));
+
+ return PTR_ERR_OR_ZERO(pdev);
+}
+arch_initcall(aica_time_init);
--
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