From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/arch/alpha/kernel/rtc.c | 29 ++++++++++++++++-------------
1 files changed, 16 insertions(+), 13 deletions(-)
diff --git a/kernel/arch/alpha/kernel/rtc.c b/kernel/arch/alpha/kernel/rtc.c
index 1376a28..48ffbfb 100644
--- a/kernel/arch/alpha/kernel/rtc.c
+++ b/kernel/arch/alpha/kernel/rtc.c
@@ -80,7 +80,12 @@
static int
alpha_rtc_read_time(struct device *dev, struct rtc_time *tm)
{
- mc146818_get_time(tm);
+ int ret = mc146818_get_time(tm);
+
+ if (ret < 0) {
+ dev_err_ratelimited(dev, "unable to read current time\n");
+ return ret;
+ }
/* Adjust for non-default epochs. It's easier to depend on the
generic __get_rtc_time and adjust the epoch here than create
@@ -198,26 +203,24 @@
static int __init
alpha_rtc_init(void)
{
- const struct rtc_class_ops *ops;
struct platform_device *pdev;
struct rtc_device *rtc;
- const char *name;
init_rtc_epoch();
- name = "rtc-alpha";
- ops = &alpha_rtc_ops;
-#ifdef HAVE_REMOTE_RTC
- if (alpha_mv.rtc_boot_cpu_only)
- ops = &remote_rtc_ops;
-#endif
-
- pdev = platform_device_register_simple(name, -1, NULL, 0);
- rtc = devm_rtc_device_register(&pdev->dev, name, ops, THIS_MODULE);
+ pdev = platform_device_register_simple("rtc-alpha", -1, NULL, 0);
+ rtc = devm_rtc_allocate_device(&pdev->dev);
if (IS_ERR(rtc))
return PTR_ERR(rtc);
platform_set_drvdata(pdev, rtc);
- return 0;
+ rtc->ops = &alpha_rtc_ops;
+
+#ifdef HAVE_REMOTE_RTC
+ if (alpha_mv.rtc_boot_cpu_only)
+ rtc->ops = &remote_rtc_ops;
+#endif
+
+ return rtc_register_device(rtc);
}
device_initcall(alpha_rtc_init);
--
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