linux-kernel - Re: [RFC PATCH v2 13/35] ACPI: Rename acpi_scan_device_not

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Date:   Mon, 18 Sep 2023 14:13:50 +1000
From:   Gavin Shan <gshan@...hat.com>
To:     James Morse <james.morse@....com>, linux-pm@...r.kernel.org,
        loongarch@...ts.linux.dev, linux-acpi@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-riscv@...ts.infradead.org, kvmarm@...ts.linux.dev
Cc:     x86@...nel.org, Salil Mehta <salil.mehta@...wei.com>,
        Russell King <linux@...linux.org.uk>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        jianyong.wu@....com, justin.he@....com
Subject: Re: [RFC PATCH v2 13/35] ACPI: Rename acpi_scan_device_not_present()
 to be about enumeration



On 9/14/23 02:38, James Morse wrote:
> acpi_scan_device_not_present() is called when a device in the
> hierarchy is not available for enumeration. Historically enumeration
> was only based on whether the device was present.
> 
> To add support for only enumerating devices that are both present
> and enabled, this helper should be renamed. It was only ever about
> enumeration, rename it acpi_scan_device_not_enumerated().
> 
> No change in behaviour is intended.
> 
> Signed-off-by: James Morse <james.morse@....com>
> ---
>   drivers/acpi/scan.c | 8 ++++----
>   1 file changed, 4 insertions(+), 4 deletions(-)
> 

Reviewed-by: Gavin Shan <gshan@...hat.com>

> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
> index ed01e19514ef..17ab875a7d4e 100644
> --- a/drivers/acpi/scan.c
> +++ b/drivers/acpi/scan.c
> @@ -289,10 +289,10 @@ static int acpi_scan_hot_remove(struct acpi_device *device)
>   	return 0;
>   }
>   
> -static int acpi_scan_device_not_present(struct acpi_device *adev)
> +static int acpi_scan_device_not_enumerated(struct acpi_device *adev)
>   {
>   	if (!acpi_device_enumerated(adev)) {
> -		dev_warn(&adev->dev, "Still not present\n");
> +		dev_warn(&adev->dev, "Still not enumerated\n");
>   		return -EALREADY;
>   	}
>   	acpi_bus_trim(adev);
> @@ -327,7 +327,7 @@ static int acpi_scan_device_check(struct acpi_device *adev)
>   			error = -ENODEV;
>   		}
>   	} else {
> -		error = acpi_scan_device_not_present(adev);
> +		error = acpi_scan_device_not_enumerated(adev);
>   	}
>   	return error;
>   }
> @@ -339,7 +339,7 @@ static int acpi_scan_bus_check(struct acpi_device *adev, void *not_used)
>   
>   	acpi_bus_get_status(adev);
>   	if (!acpi_device_is_present(adev)) {
> -		acpi_scan_device_not_present(adev);
> +		acpi_scan_device_not_enumerated(adev);
>   		return 0;
>   	}
>   	if (handler && handler->hotplug.scan_dependent)

Thanks,
Gavin