linux-kernel - Re: [PATCH 2/9] ARM: export set_irq

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Date:	Tue, 9 Oct 2012 18:20:13 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Arnd Bergmann <arnd@...db.de>
cc:	Russell King <rmk+kernel@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Magnus Damm <damm@...nsource.se>,
	Linus Walleij <linus.walleij@...aro.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>
Subject: Re: [PATCH 2/9] ARM: export set_irq_flags



On Tue, 9 Oct 2012, Arnd Bergmann wrote:

> The recently added Emma Mobile GPIO driver calls set_irq_flags
> and irq_set_chip_and_handler for the interrupts it exports and
> it can be built as a module, which currently fails with
> 
> ERROR: "set_irq_flags" [drivers/gpio/gpio-em.ko] undefined!
> 
> We either need to replace the call to set_irq_flags with something
> else or export that function. This patch does the latter.
> 
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> Cc: Magnus Damm <damm@...nsource.se>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Cc: Rafael J. Wysocki <rjw@...k.pl>
> Cc: Thomas Gleixner <tglx@...utronix.de>

Acked-by-me

> Cc: Russell King <rmk+kernel@....linux.org.uk>
> ---
>  arch/arm/kernel/irq.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
> index 16cedb4..8961650 100644
> --- a/arch/arm/kernel/irq.c
> +++ b/arch/arm/kernel/irq.c
> @@ -34,6 +34,7 @@
>  #include <linux/list.h>
>  #include <linux/kallsyms.h>
>  #include <linux/proc_fs.h>
> +#include <linux/export.h>
>  
>  #include <asm/exception.h>
>  #include <asm/mach/arch.h>
> @@ -109,6 +110,7 @@ void set_irq_flags(unsigned int irq, unsigned int iflags)
>  	/* Order is clear bits in "clr" then set bits in "set" */
>  	irq_modify_status(irq, clr, set & ~clr);
>  }
> +EXPORT_SYMBOL_GPL(set_irq_flags);
>  
>  void __init init_IRQ(void)
>  {
> -- 
> 1.7.10
> 
> 
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