linux-kernel - Re: [PATCH] irq: mips: Export irq_err

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Message-ID: <20220523091607.GA5069@alpha.franken.de>
Date:   Mon, 23 May 2022 11:16:07 +0200
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Genjian Zhang <zhanggenjian123@...il.com>
Cc:     maz@...nel.org, keescook@...omium.org, mark.rutland@....com,
        nathan@...nel.org, siyanteng01@...il.com, yyuasa@...ux.com,
        ralf@...ux-mips.org, linux-mips@...r.kernel.org,
        linux-kernel@...r.kernel.org, huhai@...inos.cn,
        k2ci <kernel-bot@...inos.cn>
Subject: Re: [PATCH] irq: mips: Export irq_err_count to modules

On Mon, May 23, 2022 at 04:16:25PM +0800, Genjian Zhang wrote:
> From: huhai <huhai@...inos.cn>
> 
> modpost complains once these drivers become modules.
>   ERROR: modpost: "irq_err_count" [drivers/gpio/gpio-vr41xx.ko] undefined!
> 
> Fix it by export them when that symbol is =m.
> 
> Fixes: 27fdd325dace ("MIPS: Update VR41xx GPIO driver to use gpiolib")
> Reported-by: k2ci <kernel-bot@...inos.cn>
> Signed-off-by: huhai <huhai@...inos.cn>
> ---
>  arch/mips/kernel/irq.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
> index 5e11582fe308..b0038b715008 100644
> --- a/arch/mips/kernel/irq.c
> +++ b/arch/mips/kernel/irq.c
> @@ -38,6 +38,9 @@ void ack_bad_irq(unsigned int irq)
>  }
>  
>  atomic_t irq_err_count;
> +#ifdef CONFIG_GPIO_VR41XX_MODULE
> +EXPORT_SYMBOL_GPL(irq_err_count);
> +#endif

please use spurious_interrupt() in drivers/gpio/gpio-vr41xx.c.

Thomas.

-- 
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