linux-kernel - Re: [PATCH 08/11] irqchip: bcm7120-l2: Fix missing nibble in gc->unused mask

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Message-ID: <54511BE8.6020905@gmail.com>
Date:	Wed, 29 Oct 2014 09:55:04 -0700
From:	Florian Fainelli <f.fainelli@...il.com>
To:	Kevin Cernekee <cernekee@...il.com>, tglx@...utronix.de,
	jason@...edaemon.net, ralf@...ux-mips.org
CC:	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	mbizon@...ebox.fr, jogo@...nwrt.org, linux-mips@...ux-mips.org
Subject: Re: [PATCH 08/11] irqchip: bcm7120-l2: Fix missing nibble in gc->unused
 mask

On 10/28/2014 08:58 PM, Kevin Cernekee wrote:
> This mask should have been 0xffff_ffff, not 0x0fff_ffff.
> 
> The change should not have an effect on current users (STB) because bits
> 31:27 are unused.

Nice catch!

> 
> Signed-off-by: Kevin Cernekee <cernekee@...il.com>

Acked-by: Florian Fainelli <f.fainelli@...il.com>

> ---
>  drivers/irqchip/irq-bcm7120-l2.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/irqchip/irq-bcm7120-l2.c b/drivers/irqchip/irq-bcm7120-l2.c
> index f041992..e9331f8 100644
> --- a/drivers/irqchip/irq-bcm7120-l2.c
> +++ b/drivers/irqchip/irq-bcm7120-l2.c
> @@ -171,7 +171,7 @@ int __init bcm7120_l2_intc_of_init(struct device_node *dn,
>  	}
>  
>  	gc = irq_get_domain_generic_chip(data->domain, 0);
> -	gc->unused = 0xfffffff & ~data->irq_map_mask;
> +	gc->unused = 0xffffffff & ~data->irq_map_mask;
>  	gc->reg_base = data->base;
>  	gc->private = data;
>  	ct = gc->chip_types;
> 

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