linux-kernel - Re: [PATCH 02/11] irqchip: brcmstb-l2: Eliminate dependency on ARM code

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Date:	Wed, 29 Oct 2014 09:53:13 -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 02/11] irqchip: brcmstb-l2: Eliminate dependency on ARM
 code

On 10/28/2014 08:58 PM, Kevin Cernekee wrote:
> The irq-brcmstb-l2 driver has a single dependency on the ARM code, the
> do_bad_IRQ macro.  Expand this macro in-place so that the driver can be
> built on non-ARM platforms.
> 
> Signed-off-by: Kevin Cernekee <cernekee@...il.com>

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

> ---
>  drivers/irqchip/irq-brcmstb-l2.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c
> index c15c840..c9bdf20 100644
> --- a/drivers/irqchip/irq-brcmstb-l2.c
> +++ b/drivers/irqchip/irq-brcmstb-l2.c
> @@ -19,6 +19,7 @@
>  #include <linux/slab.h>
>  #include <linux/module.h>
>  #include <linux/platform_device.h>
> +#include <linux/spinlock.h>
>  #include <linux/of.h>
>  #include <linux/of_irq.h>
>  #include <linux/of_address.h>
> @@ -30,8 +31,6 @@
>  #include <linux/irqchip.h>
>  #include <linux/irqchip/chained_irq.h>
>  
> -#include <asm/mach/irq.h>
> -
>  #include "irqchip.h"
>  
>  /* Register offsets in the L2 interrupt controller */
> @@ -63,7 +62,9 @@ static void brcmstb_l2_intc_irq_handle(unsigned int irq, struct irq_desc *desc)
>  		~(__raw_readl(b->base + CPU_MASK_STATUS));
>  
>  	if (status == 0) {
> -		do_bad_IRQ(irq, desc);
> +		raw_spin_lock(&desc->lock);
> +		handle_bad_irq(irq, desc);
> +		raw_spin_unlock(&desc->lock);
>  		goto out;
>  	}
>  
> 

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