From 7e970c18f85f99acc678d90128b6e01dce1bf273 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 01 Nov 2024 02:40:12 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/kernel/time/clocksource.c | 30 ++++++++++++++++++++++++++++--
1 files changed, 28 insertions(+), 2 deletions(-)
diff --git a/kernel/kernel/time/clocksource.c b/kernel/kernel/time/clocksource.c
index 74492f0..2921e18 100644
--- a/kernel/kernel/time/clocksource.c
+++ b/kernel/kernel/time/clocksource.c
@@ -1007,8 +1007,8 @@
clocksource_update_max_deferment(cs);
- pr_info("%s: mask: 0x%llx max_cycles: 0x%llx, max_idle_ns: %lld ns\n",
- cs->name, cs->mask, cs->max_cycles, cs->max_idle_ns);
+ pr_info("%s: freq: %Lu Hz, mask: 0x%llx max_cycles: 0x%llx, max_idle_ns: %lld ns\n",
+ cs->name, (u64)freq * scale, cs->mask, cs->max_cycles, cs->max_idle_ns);
}
EXPORT_SYMBOL_GPL(__clocksource_update_freq_scale);
@@ -1275,10 +1275,36 @@
}
static DEVICE_ATTR_RO(available_clocksource);
+/**
+ * vdso_clocksource_show - sysfs interface for vDSO type of
+ * current clocksource
+ * @dev: unused
+ * @attr: unused
+ * @buf: char buffer to be filled with vDSO type
+ */
+static ssize_t vdso_clocksource_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ ssize_t count = 0, type;
+
+ mutex_lock(&clocksource_mutex);
+ type = curr_clocksource->vdso_type;
+ count = snprintf(buf, PAGE_SIZE, "%s\n",
+ type == CLOCKSOURCE_VDSO_NONE ? "none" :
+ type == CLOCKSOURCE_VDSO_ARCHITECTED ? "architected" :
+ "mmio");
+ mutex_unlock(&clocksource_mutex);
+
+ return count;
+}
+static DEVICE_ATTR_RO(vdso_clocksource);
+
static struct attribute *clocksource_attrs[] = {
&dev_attr_current_clocksource.attr,
&dev_attr_unbind_clocksource.attr,
&dev_attr_available_clocksource.attr,
+ &dev_attr_vdso_clocksource.attr,
NULL
};
ATTRIBUTE_GROUPS(clocksource);
--
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