linux-kernel - Re: [PATCH v2 2/8] platform/x86: intel_skl_int3472: Free ACPI device resources after use

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Message-ID: <d5bbf80a-36b1-fd29-dbdb-ae47e06b0c7b@gmail.com>
Date:   Mon, 21 Jun 2021 23:32:13 +0100
From:   Daniel Scally <djrscally@...il.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Mario Limonciello <mario.limonciello@....com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        linux-kernel@...r.kernel.org, platform-driver-x86@...r.kernel.org
Cc:     Mark Gross <mgross@...ux.intel.com>
Subject: Re: [PATCH v2 2/8] platform/x86: intel_skl_int3472: Free ACPI device
 resources after use

Hi Andy

On 18/06/2021 13:55, Andy Shevchenko wrote:
> We may free ACPI device resources immediately after use.
> Refactor skl_int3472_parse_crs() accordingly.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>

Sorry, only just got round to these:


Reviewed-by: Daniel Scally <djrscally@...il.com>

Tested-by: Daniel Scally <djrscally@...il.com>

> ---
> v2: new patch
>  .../x86/intel-int3472/intel_skl_int3472_discrete.c  | 13 ++++++-------
>  1 file changed, 6 insertions(+), 7 deletions(-)
>
> diff --git a/drivers/platform/x86/intel-int3472/intel_skl_int3472_discrete.c b/drivers/platform/x86/intel-int3472/intel_skl_int3472_discrete.c
> index 8c18dbff1c43..48a00a1f4fb6 100644
> --- a/drivers/platform/x86/intel-int3472/intel_skl_int3472_discrete.c
> +++ b/drivers/platform/x86/intel-int3472/intel_skl_int3472_discrete.c
> @@ -308,8 +308,10 @@ static int skl_int3472_parse_crs(struct int3472_discrete_device *int3472)
>  	ret = acpi_dev_get_resources(int3472->adev, &resource_list,
>  				     skl_int3472_handle_gpio_resources,
>  				     int3472);
> -	if (ret)
> -		goto out_free_res_list;
> +	if (ret < 0)
> +		return ret;
> +
> +	acpi_dev_free_resource_list(&resource_list);
>  
>  	/*
>  	 * If we find no clock enable GPIO pin then the privacy LED won't work.
> @@ -319,7 +321,7 @@ static int skl_int3472_parse_crs(struct int3472_discrete_device *int3472)
>  	if (int3472->clock.ena_gpio) {
>  		ret = skl_int3472_register_clock(int3472);
>  		if (ret)
> -			goto out_free_res_list;
> +			return ret;
>  	} else {
>  		if (int3472->clock.led_gpio)
>  			dev_warn(int3472->dev,
> @@ -329,10 +331,7 @@ static int skl_int3472_parse_crs(struct int3472_discrete_device *int3472)
>  	int3472->gpios.dev_id = int3472->sensor_name;
>  	gpiod_add_lookup_table(&int3472->gpios);
>  
> -out_free_res_list:
> -	acpi_dev_free_resource_list(&resource_list);
> -
> -	return ret;
> +	return 0;
>  }
>  
>  int skl_int3472_discrete_probe(struct platform_device *pdev)