linux/drivers/firmware/efi/apple-properties.c

// SPDX-License-Identifier: GPL-2.0
/*
 * apple-properties.c - EFI device properties on Macs
 * Copyright (C) 2016 Lukas Wunner <[email protected]>
 *
 * Properties are stored either as:
 * u8 arrays which can be retrieved with device_property_read_u8_array() or
 * booleans which can be queried with device_property_present().
 */

#define pr_fmt(fmt) …

#include <linux/memblock.h>
#include <linux/efi.h>
#include <linux/io.h>
#include <linux/platform_data/x86/apple.h>
#include <linux/property.h>
#include <linux/slab.h>
#include <linux/ucs2_string.h>
#include <asm/setup.h>

static bool dump_properties __initdata;

static int __init dump_properties_enable(char *arg)
{ … }

__setup(…);

struct dev_header { … };

struct properties_header { … };

static void __init unmarshal_key_value_pairs(struct dev_header *dev_header,
					     struct device *dev, const void *ptr,
					     struct property_entry entry[])
{ … }

static int __init unmarshal_devices(struct properties_header *properties)
{ … }

static int __init map_properties(void)
{ … }

fs_initcall(map_properties);