linux-kernel - Re: [PATCH 4/5] ACPI: scan: Reorganize acpi_device

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Date:   Wed, 16 Jun 2021 16:49:16 +0200
From:   Hans de Goede <hdegoede@...hat.com>
To:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux ACPI <linux-acpi@...r.kernel.org>
Cc:     LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 4/5] ACPI: scan: Reorganize acpi_device_add()

Hi,

On 6/16/21 4:24 PM, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> Move the invocation of acpi_attach_data() in acpi_device_add()
> into a separate function.
> 
> No intentional functional impact.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Thanks, patch looks good to me:

Reviewed-by: Hans de Goede <hdegoede@...hat.com>

Regards,

Hans



> ---
>  drivers/acpi/scan.c |   31 ++++++++++++++++++++-----------
>  1 file changed, 20 insertions(+), 11 deletions(-)
> 
> Index: linux-pm/drivers/acpi/scan.c
> ===================================================================
> --- linux-pm.orig/drivers/acpi/scan.c
> +++ linux-pm/drivers/acpi/scan.c
> @@ -640,23 +640,32 @@ static int acpi_device_set_name(struct a
>  	return 0;
>  }
>  
> +static int acpi_tie_acpi_dev(struct acpi_device *adev)
> +{
> +	acpi_handle handle = adev->handle;
> +	acpi_status status;
> +
> +	if (!handle)
> +		return 0;
> +
> +	status = acpi_attach_data(handle, acpi_scan_drop_device, adev);
> +	if (ACPI_FAILURE(status)) {
> +		acpi_handle_err(handle, "Unable to attach device data\n");
> +		return -ENODEV;
> +	}
> +
> +	return 0;
> +}
> +
>  int acpi_device_add(struct acpi_device *device,
>  		    void (*release)(struct device *))
>  {
>  	struct acpi_device_bus_id *acpi_device_bus_id;
>  	int result;
>  
> -	if (device->handle) {
> -		acpi_status status;
> -
> -		status = acpi_attach_data(device->handle, acpi_scan_drop_device,
> -					  device);
> -		if (ACPI_FAILURE(status)) {
> -			acpi_handle_err(device->handle,
> -					"Unable to attach device data\n");
> -			return -ENODEV;
> -		}
> -	}
> +	result = acpi_tie_acpi_dev(device);
> +	if (result)
> +		return result;
>  
>  	/*
>  	 * Linkage
> 
> 
>