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Diffstat (limited to 'drivers/base/cpu.c')
-rw-r--r--drivers/base/cpu.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/base/cpu.c b/drivers/base/cpu.c
index 4dabf5077c4..adf937bf409 100644
--- a/drivers/base/cpu.c
+++ b/drivers/base/cpu.c
@@ -11,6 +11,7 @@
#include <linux/device.h>
#include <linux/node.h>
#include <linux/gfp.h>
+#include <linux/slab.h>
#include <linux/percpu.h>
#include "base.h"
@@ -244,6 +245,9 @@ int __cpuinit register_cpu(struct cpu *cpu, int num)
cpu->dev.id = num;
cpu->dev.bus = &cpu_subsys;
cpu->dev.release = cpu_device_release;
+#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
+ cpu->dev.bus->uevent = arch_cpu_uevent;
+#endif
error = device_register(&cpu->dev);
if (!error && cpu->hotpluggable)
register_cpu_control(cpu);
@@ -268,6 +272,10 @@ struct device *get_cpu_device(unsigned cpu)
}
EXPORT_SYMBOL_GPL(get_cpu_device);
+#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
+static DEVICE_ATTR(modalias, 0444, arch_print_cpu_modalias, NULL);
+#endif
+
static struct attribute *cpu_root_attrs[] = {
#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
&dev_attr_probe.attr,
@@ -278,6 +286,9 @@ static struct attribute *cpu_root_attrs[] = {
&cpu_attrs[2].attr.attr,
&dev_attr_kernel_max.attr,
&dev_attr_offline.attr,
+#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
+ &dev_attr_modalias.attr,
+#endif
NULL
};