linux-kernel - Re: [PATCH 1/2] mfd: arizona: Use irq_find

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Date:   Thu, 10 Nov 2016 13:30:19 +0000
From:   Lee Jones <lee.jones@...aro.org>
To:     Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
Cc:     linux-kernel@...r.kernel.org, patches@...nsource.wolfsonmicro.com
Subject: Re: [PATCH 1/2] mfd: arizona: Use irq_find_mapping when appropriate

On Fri, 28 Oct 2016, Charles Keepax wrote:

> No need to use irq_create_mapping (although there is no issue with
> doing so) when we are only looking up an existing mapping. Just to
> streamline things a little and make the code a little more clear
> change some calls from irq_create_mapping to irq_find_mapping.
> 
> Signed-off-by: Charles Keepax <ckeepax@...nsource.wolfsonmicro.com>
> ---
>  drivers/mfd/arizona-irq.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)

Applied, thanks.

> diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
> index 5e18d3c..2e01975 100644
> --- a/drivers/mfd/arizona-irq.c
> +++ b/drivers/mfd/arizona-irq.c
> @@ -398,10 +398,10 @@ int arizona_irq_init(struct arizona *arizona)
>  err_boot_done:
>  	free_irq(arizona->irq, arizona);
>  err_main_irq:
> -	regmap_del_irq_chip(irq_create_mapping(arizona->virq, 1),
> +	regmap_del_irq_chip(irq_find_mapping(arizona->virq, 1),
>  			    arizona->irq_chip);
>  err_aod:
> -	regmap_del_irq_chip(irq_create_mapping(arizona->virq, 0),
> +	regmap_del_irq_chip(irq_find_mapping(arizona->virq, 0),
>  			    arizona->aod_irq_chip);
>  err:
>  	return ret;
> @@ -413,9 +413,9 @@ int arizona_irq_exit(struct arizona *arizona)
>  		free_irq(arizona_map_irq(arizona, ARIZONA_IRQ_CTRLIF_ERR),
>  			 arizona);
>  	free_irq(arizona_map_irq(arizona, ARIZONA_IRQ_BOOT_DONE), arizona);
> -	regmap_del_irq_chip(irq_create_mapping(arizona->virq, 1),
> +	regmap_del_irq_chip(irq_find_mapping(arizona->virq, 1),
>  			    arizona->irq_chip);
> -	regmap_del_irq_chip(irq_create_mapping(arizona->virq, 0),
> +	regmap_del_irq_chip(irq_find_mapping(arizona->virq, 0),
>  			    arizona->aod_irq_chip);
>  	free_irq(arizona->irq, arizona);
>  

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