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irqchip: Move IRQCHIP_DECLARE macro to include/linux/irqchip.h 

At the moment the IRQCHIP_DECLARE macro is only declared locally in
drivers/irqchip/irqchip.h. It prevents from using it directly in arch/*
directories whenever irqchip drivers only exist there, which happens in a few
cases (e.g. arc, arm, microblaze and mips).

This patch makes the macro to be globally defined, i.e. in
include/linux/irqchip.h, and thus usable for arch-specific declarations of
irqchip drivers. In this way, it is very similar to what clocksource does (ie
CLOCKSOURCE_OF_DECLARE is defined in include/linux/clocksource.h).

For now, this patch only moves the declaration of the macro
IRQCHIP_DECLARE to the global header 'include/linux/irqchip.h' and make
'drivers/irqchip/irqchip.h' include 'include/linux/irqchip.h'. Later, other
patches will get rid of 'drivers/irqchip/irqchip.h' and modify all the impacted
irqchip drivers.

Signed-off-by: Joel Porquet <joel@porquet.org>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1435865565-14114-1-git-send-email-joel@porquet.org
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
hifive-unleashed-5.1
Joel Porquet 2015-07-02 15:32:00 -04:00 committed by Thomas Gleixner
parent 93b6eb77b4
commit 91e20b5040
2 changed files with 15 additions and 18 deletions
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19
drivers/irqchip/irqchip.h
View File

@ -8,21 +8,4 @@
* warranty of any kind, whether express or implied.
*/
#ifndef _IRQCHIP_H
#define _IRQCHIP_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)
#endif
#include <linux/irqchip.h>

14
include/linux/irqchip.h
View File

@ -11,6 +11,20 @@
#ifndef _LINUX_IRQCHIP_H
#define _LINUX_IRQCHIP_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)
#ifdef CONFIG_IRQCHIP
void irqchip_init(void);
#else