linux-kernel - Re: [PATCH v1] extcon: int3496: Switch to devm_acpi_dev_add_driver

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Message-id: <593DE7D0.6010809@samsung.com>
Date:   Mon, 12 Jun 2017 10:01:04 +0900
From:   Chanwoo Choi <cw00.choi@...sung.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] extcon: int3496: Switch to
 devm_acpi_dev_add_driver_gpios()

On 2017년 06월 11일 04:09, Andy Shevchenko wrote:
> Switch to use managed variant of acpi_dev_add_driver_gpios() to simplify
> error path and fix potentially wrong assingment if ->probe() fails.
> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/extcon/extcon-intel-int3496.c | 5 +----
>  1 file changed, 1 insertion(+), 4 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-intel-int3496.c b/drivers/extcon/extcon-intel-int3496.c
> index 9d17984bbbd4..d9f9afe45961 100644
> --- a/drivers/extcon/extcon-intel-int3496.c
> +++ b/drivers/extcon/extcon-intel-int3496.c
> @@ -94,8 +94,7 @@ static int int3496_probe(struct platform_device *pdev)
>  	struct int3496_data *data;
>  	int ret;
>  
> -	ret = acpi_dev_add_driver_gpios(ACPI_COMPANION(dev),
> -					acpi_int3496_default_gpios);
> +	ret = devm_acpi_dev_add_driver_gpios(dev, acpi_int3496_default_gpios);
>  	if (ret) {
>  		dev_err(dev, "can't add GPIO ACPI mapping\n");
>  		return ret;
> @@ -169,8 +168,6 @@ static int int3496_remove(struct platform_device *pdev)
>  	devm_free_irq(&pdev->dev, data->usb_id_irq, data);
>  	cancel_delayed_work_sync(&data->work);
>  
> -	acpi_dev_remove_driver_gpios(ACPI_COMPANION(&pdev->dev));
> -
>  	return 0;
>  }
>  
> 

Applied it. Thanks.

-- 
Best Regards,
Chanwoo Choi
Samsung Electronics