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Subject: Re: [PATCH 05/12] irqchip/gic-v3-its: Fix misuse of GENMASK macro
To:     Joe Perches <joe@perches.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Jason Cooper <jason@lakedaemon.net>
Cc:     linux-kernel@vger.kernel.org
References: <cover.1562734889.git.joe@perches.com>
 <ab5deb4fc3cd604cb620054770b7d00016d736bc.1562734889.git.joe@perches.com>
From:   Marc Zyngier <marc.zyngier@arm.com>
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Organization: ARM Ltd
Message-ID: <8b7cffb3-c6a5-cefb-089c-b71d3202ca15@arm.com>
Date:   Wed, 10 Jul 2019 09:28:29 +0100
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Sender: linux-kernel-owner@vger.kernel.org
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On 10/07/2019 06:04, Joe Perches wrote:
> Arguments are supposed to be ordered high then low.
> 
> Signed-off-by: Joe Perches <joe@perches.com>
> ---
>  drivers/irqchip/irq-gic-v3-its.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c
> index 35500801dc2b..730fbe0e2a9d 100644
> --- a/drivers/irqchip/irq-gic-v3-its.c
> +++ b/drivers/irqchip/irq-gic-v3-its.c
> @@ -185,7 +185,7 @@ static struct its_collection *dev_event_to_col(struct its_device *its_dev,
>  
>  static struct its_collection *valid_col(struct its_collection *col)
>  {
> -	if (WARN_ON_ONCE(col->target_address & GENMASK_ULL(0, 15)))
> +	if (WARN_ON_ONCE(col->target_address & GENMASK_ULL(15, 0)))
>  		return NULL;
>  
>  	return col;
> 

Well caught.

Acked-by: Marc Zyngier <marc.zyngier@arm.com>

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...