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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>
35 lines
974 B
C
35 lines
974 B
C
/*
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* Copyright (C) 2012 Thomas Petazzoni
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*
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* Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
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*
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* This file is licensed under the terms of the GNU General Public
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* License version 2. This program is licensed "as is" without any
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* warranty of any kind, whether express or implied.
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*/
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#include <linux/acpi.h>
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#include <linux/init.h>
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#include <linux/of_irq.h>
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#include <linux/irqchip.h>
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/*
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* This special of_device_id is the sentinel at the end of the
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* of_device_id[] array of all irqchips. It is automatically placed at
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* the end of the array by the linker, thanks to being part of a
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* special section.
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*/
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static const struct of_device_id
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irqchip_of_match_end __used __section(__irqchip_of_table_end);
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extern struct of_device_id __irqchip_of_table[];
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void __init irqchip_init(void)
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{
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of_irq_init(__irqchip_of_table);
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#if defined(CONFIG_ARM64) && defined(CONFIG_ACPI)
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acpi_gic_init(); /* Temporary hack */
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#endif
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acpi_probe_device_table(irqchip);
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}
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