linux-kernel - Re: [PATCH] gpio/stmpe: Correct cleanup for no-irq mode

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Message-ID: <4F1F79B5.30700@st.com>
Date:	Wed, 25 Jan 2012 09:10:37 +0530
From:	Viresh Kumar <viresh.kumar@...com>
To:	Linus WALLEIJ <linus.walleij@...ricsson.com>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Christopher BLAIR <chris.blair@...ricsson.com>
Subject: Re: [PATCH] gpio/stmpe: Correct cleanup for no-irq mode

On 1/25/2012 4:36 AM, Linus WALLEIJ wrote:
> From: Chris Blair <chris.blair@...ricsson.com>
> 
> Corrects error condition and driver removal cleanup for the no-irq
> configuration.
> 
> Cc: Viresh Kumar <viresh.kumar@...com>
> Cc: Grant Likely <grant.likely@...retlab.ca>
> Signed-off-by: Chris Blair <chris.blair@...ricsson.com>
> ---
> This depends on the previous patch to the MFD code so should
> better be merged into the MFD tree with the previous patch.
> ---
>  drivers/gpio/gpio-stmpe.c |   12 ++++++++----
>  1 files changed, 8 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/gpio/gpio-stmpe.c b/drivers/gpio/gpio-stmpe.c
> index 87a68a8..1008c7c 100644
> --- a/drivers/gpio/gpio-stmpe.c
> +++ b/drivers/gpio/gpio-stmpe.c
> @@ -361,9 +361,11 @@ static int __devinit stmpe_gpio_probe(struct platform_device *pdev)
>  	return 0;
>  
>  out_freeirq:
> -	free_irq(irq, stmpe_gpio);
> +	if (!stmpe->pdata->no_irq)
> +		free_irq(irq, stmpe_gpio);
>  out_removeirq:
> -	stmpe_gpio_irq_remove(stmpe_gpio);
> +	if (!stmpe->pdata->no_irq)
> +		stmpe_gpio_irq_remove(stmpe_gpio);
>  out_disable:
>  	stmpe_disable(stmpe, STMPE_BLOCK_GPIO);
>  out_free:
> @@ -391,8 +393,10 @@ static int __devexit stmpe_gpio_remove(struct platform_device *pdev)
>  
>  	stmpe_disable(stmpe, STMPE_BLOCK_GPIO);
>  
> -	free_irq(irq, stmpe_gpio);
> -	stmpe_gpio_irq_remove(stmpe_gpio);
> +	if (!stmpe->pdata->no_irq) {
> +		free_irq(irq, stmpe_gpio);
> +		stmpe_gpio_irq_remove(stmpe_gpio);
> +	}
>  	platform_set_drvdata(pdev, NULL);
>  	kfree(stmpe_gpio);
>  

Please check others stmpe drivers too, stmpe-ts & stmpe-keypad. :)

Acked-by: Viresh Kumar <viresh.kumar@...com>

-- 
viresh
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