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Release 4.14 drivers/acpi/hed.c

Directory: drivers/acpi
/*
 * ACPI Hardware Error Device (PNP0C33) Driver
 *
 * Copyright (C) 2010, Intel Corp.
 *      Author: Huang Ying <ying.huang@intel.com>
 *
 * ACPI Hardware Error Device is used to report some hardware errors
 * notified via SCI, mainly the corrected errors.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version
 * 2 as published by the Free Software Foundation;
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/acpi.h>
#include <acpi/hed.h>


static const struct acpi_device_id acpi_hed_ids[] = {
	{"PNP0C33", 0},
	{"", 0},
};
MODULE_DEVICE_TABLE(acpi, acpi_hed_ids);


static acpi_handle hed_handle;

static BLOCKING_NOTIFIER_HEAD(acpi_hed_notify_list);


int register_acpi_hed_notifier(struct notifier_block *nb) { return blocking_notifier_chain_register(&acpi_hed_notify_list, nb); }

Contributors

PersonTokensPropCommitsCommitProp
Huang Ying19100.00%1100.00%
Total19100.00%1100.00%

EXPORT_SYMBOL_GPL(register_acpi_hed_notifier);
void unregister_acpi_hed_notifier(struct notifier_block *nb) { blocking_notifier_chain_unregister(&acpi_hed_notify_list, nb); }

Contributors

PersonTokensPropCommitsCommitProp
Huang Ying18100.00%1100.00%
Total18100.00%1100.00%

EXPORT_SYMBOL_GPL(unregister_acpi_hed_notifier); /* * SCI to report hardware error is forwarded to the listeners of HED, * it is used by HEST Generic Hardware Error Source with notify type * SCI. */
static void acpi_hed_notify(struct acpi_device *device, u32 event) { blocking_notifier_call_chain(&acpi_hed_notify_list, 0, NULL); }

Contributors

PersonTokensPropCommitsCommitProp
Huang Ying24100.00%1100.00%
Total24100.00%1100.00%


static int acpi_hed_add(struct acpi_device *device) { /* Only one hardware error device */ if (hed_handle) return -EINVAL; hed_handle = device->handle; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Huang Ying29100.00%1100.00%
Total29100.00%1100.00%


static int acpi_hed_remove(struct acpi_device *device) { hed_handle = NULL; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Huang Ying18100.00%1100.00%
Total18100.00%1100.00%

static struct acpi_driver acpi_hed_driver = { .name = "hardware_error_device", .class = "hardware_error", .ids = acpi_hed_ids, .ops = { .add = acpi_hed_add, .remove = acpi_hed_remove, .notify = acpi_hed_notify, }, }; module_acpi_driver(acpi_hed_driver); ACPI_MODULE_NAME("hed"); MODULE_AUTHOR("Huang Ying"); MODULE_DESCRIPTION("ACPI Hardware Error Device Driver"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
Huang Ying23698.33%125.00%
Mika Westerberg20.83%125.00%
Jarkko Nikula10.42%125.00%
Mathias Krause10.42%125.00%
Total240100.00%4100.00%
Directory: drivers/acpi
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