summaryrefslogtreecommitdiff
path: root/drivers/rtc/rtc-sun4v.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/rtc/rtc-sun4v.c')
-rw-r--r--drivers/rtc/rtc-sun4v.c30
1 files changed, 11 insertions, 19 deletions
diff --git a/drivers/rtc/rtc-sun4v.c b/drivers/rtc/rtc-sun4v.c
index bc97ff91341d..a86e27de8c06 100644
--- a/drivers/rtc/rtc-sun4v.c
+++ b/drivers/rtc/rtc-sun4v.c
@@ -1,12 +1,14 @@
+// SPDX-License-Identifier: GPL-2.0
/* rtc-sun4v.c: Hypervisor based RTC for SUN4V systems.
*
+ * Author: David S. Miller
+ *
* Copyright (C) 2008 David S. Miller <davem@davemloft.net>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/delay.h>
#include <linux/init.h>
#include <linux/rtc.h>
@@ -37,7 +39,7 @@ retry:
static int sun4v_read_time(struct device *dev, struct rtc_time *tm)
{
- rtc_time_to_tm(hypervisor_get_time(), tm);
+ rtc_time64_to_tm(hypervisor_get_time(), tm);
return 0;
}
@@ -64,14 +66,7 @@ retry:
static int sun4v_set_time(struct device *dev, struct rtc_time *tm)
{
- unsigned long secs;
- int err;
-
- err = rtc_tm_to_time(tm, &secs);
- if (err)
- return err;
-
- return hypervisor_set_time(secs);
+ return hypervisor_set_time(rtc_tm_to_time64(tm));
}
static const struct rtc_class_ops sun4v_rtc_ops = {
@@ -83,24 +78,21 @@ static int __init sun4v_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
- rtc = devm_rtc_device_register(&pdev->dev, "sun4v",
- &sun4v_rtc_ops, THIS_MODULE);
+ rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
+ rtc->ops = &sun4v_rtc_ops;
+ rtc->range_max = U64_MAX;
platform_set_drvdata(pdev, rtc);
- return 0;
+
+ return devm_rtc_register_device(rtc);
}
static struct platform_driver sun4v_rtc_driver = {
.driver = {
.name = "rtc-sun4v",
- .owner = THIS_MODULE,
},
};
-module_platform_driver_probe(sun4v_rtc_driver, sun4v_rtc_probe);
-
-MODULE_AUTHOR("David S. Miller <davem@davemloft.net>");
-MODULE_DESCRIPTION("SUN4V RTC driver");
-MODULE_LICENSE("GPL");
+builtin_platform_driver_probe(sun4v_rtc_driver, sun4v_rtc_probe);