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 <a...@arndb.de>
> Cc: Magnus Damm <d...@opensource.se>
> Cc: Linus Walleij <linus.wall...@linaro.org>
> Cc: Rafael J. Wysocki <r...@sisk.pl>
> Cc: Thomas Gleixner <t...@linutronix.de>
Acked-by-me
> Cc: Russell King <rmk+ker...@arm.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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