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xtensa: move built-in PIC to drivers/irqchip

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Extract xtensa built-in interrupt controller implementation from
xtensa/kernel/irq.c and move it to other irqchips, providing way to
instantiate it from the device tree.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
This commit is contained in:
Max Filippov
2013-12-01 12:59:49 +04:00
committed by Chris Zankel
parent c8f3a7dc01
commit cbd1de2e8e
6 changed files with 165 additions and 108 deletions
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include/linux/irqchip/xtensa-pic.h
+18
View File
@@ -0,0 +1,18 @@
/*
* Xtensa built-in interrupt controller
*
* Copyright (C) 2002 - 2013 Tensilica, Inc.
* Copyright (C) 1992, 1998 Linus Torvalds, Ingo Molnar
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*/
#ifndef __LINUX_IRQCHIP_XTENSA_PIC_H
#define __LINUX_IRQCHIP_XTENSA_PIC_H
struct device_node;
int xtensa_pic_init_legacy(struct device_node *interrupt_parent);
#endif /* __LINUX_IRQCHIP_XTENSA_PIC_H */