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