linux-kernel - Re: [patch 6/9] mfd/tc6393xb: Consolidate chained IRQ handler install/remove

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Date:	Tue, 28 Jul 2015 09:05:38 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Jiang Liu <jiang.liu@...ux.intel.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Russell King <rmk+kernel@....linux.org.uk>,
	Julia Lawall <Julia.Lawall@...6.fr>
Subject: Re: [patch 6/9] mfd/tc6393xb: Consolidate chained IRQ handler
 install/remove

On Mon, 13 Jul 2015, Thomas Gleixner wrote:

> Chained irq handlers usually set up handler data as well. We now have
> a function to set both under irq_desc->lock. Replace the two calls
> with one.
> 
> Search and conversion was done with coccinelle.
> 
> Reported-by: Russell King <rmk+kernel@....linux.org.uk>
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> Cc: Julia Lawall <Julia.Lawall@...6.fr>
> Cc: Samuel Ortiz <sameo@...ux.intel.com>
> Cc: Lee Jones <lee.jones@...aro.org>
> ---
>  drivers/mfd/tc6393xb.c |    7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)

Applied, thanks.

> Index: tip/drivers/mfd/tc6393xb.c
> ===================================================================
> --- tip.orig/drivers/mfd/tc6393xb.c
> +++ tip/drivers/mfd/tc6393xb.c
> @@ -590,8 +590,8 @@ static void tc6393xb_attach_irq(struct p
>  	}
>  
>  	irq_set_irq_type(tc6393xb->irq, IRQ_TYPE_EDGE_FALLING);
> -	irq_set_handler_data(tc6393xb->irq, tc6393xb);
> -	irq_set_chained_handler(tc6393xb->irq, tc6393xb_irq);
> +	irq_set_chained_handler_and_data(tc6393xb->irq, tc6393xb_irq,
> +					 tc6393xb);
>  }
>  
>  static void tc6393xb_detach_irq(struct platform_device *dev)
> @@ -599,8 +599,7 @@ static void tc6393xb_detach_irq(struct p
>  	struct tc6393xb *tc6393xb = platform_get_drvdata(dev);
>  	unsigned int irq, irq_base;
>  
> -	irq_set_chained_handler(tc6393xb->irq, NULL);
> -	irq_set_handler_data(tc6393xb->irq, NULL);
> +	irq_set_chained_handler_and_data(tc6393xb->irq, NULL, NULL);
>  
>  	irq_base = tc6393xb->irq_base;
>  
> 
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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