83 lines
1.6 KiB
C
83 lines
1.6 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
// Copyright (c) 2021 Intel Corporation
|
||
|
|
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/kernel.h>
|
||
|
|
#include <linux/peci.h>
|
||
|
|
|
||
|
|
#include "internal.h"
|
||
|
|
|
||
|
|
static int rescan_controller(struct device *dev, void *data)
|
||
|
|
{
|
||
|
|
if (dev->type != &peci_controller_type)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
return peci_controller_scan_devices(to_peci_controller(dev));
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t rescan_store(struct bus_type *bus, const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
bool res;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = kstrtobool(buf, &res);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
if (!res)
|
||
|
|
return count;
|
||
|
|
|
||
|
|
ret = bus_for_each_dev(&peci_bus_type, NULL, NULL, rescan_controller);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
static BUS_ATTR_WO(rescan);
|
||
|
|
|
||
|
|
static struct attribute *peci_bus_attrs[] = {
|
||
|
|
&bus_attr_rescan.attr,
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct attribute_group peci_bus_group = {
|
||
|
|
.attrs = peci_bus_attrs,
|
||
|
|
};
|
||
|
|
|
||
|
|
const struct attribute_group *peci_bus_groups[] = {
|
||
|
|
&peci_bus_group,
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static ssize_t remove_store(struct device *dev, struct device_attribute *attr,
|
||
|
|
const char *buf, size_t count)
|
||
|
|
{
|
||
|
|
struct peci_device *device = to_peci_device(dev);
|
||
|
|
bool res;
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
ret = kstrtobool(buf, &res);
|
||
|
|
if (ret)
|
||
|
|
return ret;
|
||
|
|
|
||
|
|
if (res && device_remove_file_self(dev, attr))
|
||
|
|
peci_device_destroy(device);
|
||
|
|
|
||
|
|
return count;
|
||
|
|
}
|
||
|
|
static DEVICE_ATTR_IGNORE_LOCKDEP(remove, 0200, NULL, remove_store);
|
||
|
|
|
||
|
|
static struct attribute *peci_device_attrs[] = {
|
||
|
|
&dev_attr_remove.attr,
|
||
|
|
NULL
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct attribute_group peci_device_group = {
|
||
|
|
.attrs = peci_device_attrs,
|
||
|
|
};
|
||
|
|
|
||
|
|
const struct attribute_group *peci_device_groups[] = {
|
||
|
|
&peci_device_group,
|
||
|
|
NULL
|
||
|
|
};
|