linux/drivers/acpi/acpi_ffh.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Author: Sudeep Holla <[email protected]>
 * Copyright 2022 Arm Limited
 */
#include <linux/kernel.h>
#include <linux/acpi.h>
#include <linux/completion.h>
#include <linux/idr.h>
#include <linux/io.h>

static struct acpi_ffh_info ffh_ctx;

int __weak acpi_ffh_address_space_arch_setup(void *handler_ctxt,
					     void **region_ctxt)
{ … }

int __weak acpi_ffh_address_space_arch_handler(acpi_integer *value,
					       void *region_context)
{ … }

static acpi_status
acpi_ffh_address_space_setup(acpi_handle region_handle, u32 function,
			     void *handler_context,  void **region_context)
{ … }

static acpi_status
acpi_ffh_address_space_handler(u32 function, acpi_physical_address addr,
			       u32 bits, acpi_integer *value,
			       void *handler_context, void *region_context)
{ … }

void __init acpi_init_ffh(void)
{ … }