linux-kernel - Re: [PATCH] mfd: sec-irq: fix support for devices without irq specified

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Message-id: <1471646.xbSCysvkpT@amdc1032>
Date:	Thu, 07 Aug 2014 18:48:21 +0200
From:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:	Samuel Ortiz <sameo@...ux.intel.com>
Cc:	Lee Jones <lee.jones@...aro.org>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Sangbeom Kim <sbkim73@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH] mfd: sec-irq: fix support for devices without irq specified


[ added missing linux-samsung-soc ML, sorry for the noise ]

On Thursday, August 07, 2014 06:42:28 PM Bartlomiej Zolnierkiewicz wrote:
> Add missing check for the case of device without irq specified
> in sec_irq_exit() (please note that sec_irq_init() already
> correctly handles such devices).
> 
> This is needed for Insignal's Exynos4412 based Origen board.
> 
> Cc: Krzysztof Kozlowski <k.kozlowski@...sung.com>
> Cc: Sangbeom Kim <sbkim73@...sung.com>
> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
> ---
> patch is against next-20140804 branch of linux-next kernel
> 
>  drivers/mfd/sec-irq.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
> index f9a5786..b65a7f0 100644
> --- a/drivers/mfd/sec-irq.c
> +++ b/drivers/mfd/sec-irq.c
> @@ -478,5 +478,6 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
>  
>  void sec_irq_exit(struct sec_pmic_dev *sec_pmic)
>  {
> -	regmap_del_irq_chip(sec_pmic->irq, sec_pmic->irq_data);
> +	if (sec_pmic->irq)
> +		regmap_del_irq_chip(sec_pmic->irq, sec_pmic->irq_data);
>  }

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