mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-25 14:40:53 +07:00
46e589a391
DT enjoys a rather nice probing infrastructure for irqchips, while ACPI is so far stuck into a very distant past. This patch introduces a declarative API, allowing irqchips to be self-contained and be called when a particular entry is matched in the MADT table. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Hanjun Guo <hanjun.guo@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2012 Thomas Petazzoni
|
|
*
|
|
* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
|
|
*
|
|
* This file is licensed under the terms of the GNU General Public
|
|
* License version 2. This program is licensed "as is" without any
|
|
* warranty of any kind, whether express or implied.
|
|
*/
|
|
|
|
#ifndef _LINUX_IRQCHIP_H
|
|
#define _LINUX_IRQCHIP_H
|
|
|
|
#include <linux/acpi.h>
|
|
#include <linux/of.h>
|
|
|
|
/*
|
|
* This macro must be used by the different irqchip drivers to declare
|
|
* the association between their DT compatible string and their
|
|
* initialization function.
|
|
*
|
|
* @name: name that must be unique accross all IRQCHIP_DECLARE of the
|
|
* same file.
|
|
* @compstr: compatible string of the irqchip driver
|
|
* @fn: initialization function
|
|
*/
|
|
#define IRQCHIP_DECLARE(name, compat, fn) OF_DECLARE_2(irqchip, name, compat, fn)
|
|
|
|
/*
|
|
* This macro must be used by the different irqchip drivers to declare
|
|
* the association between their version and their initialization function.
|
|
*
|
|
* @name: name that must be unique accross all IRQCHIP_ACPI_DECLARE of the
|
|
* same file.
|
|
* @subtable: Subtable to be identified in MADT
|
|
* @validate: Function to be called on that subtable to check its validity.
|
|
* Can be NULL.
|
|
* @data: data to be checked by the validate function.
|
|
* @fn: initialization function
|
|
*/
|
|
#define IRQCHIP_ACPI_DECLARE(name, subtable, validate, data, fn) \
|
|
ACPI_DECLARE_PROBE_ENTRY(irqchip, name, ACPI_SIG_MADT, \
|
|
subtable, validate, data, fn)
|
|
|
|
#ifdef CONFIG_IRQCHIP
|
|
void irqchip_init(void);
|
|
#else
|
|
static inline void irqchip_init(void) {}
|
|
#endif
|
|
|
|
#endif
|