linux-kernel - Re: [PATCH] ACPI: Rename acpi_scan_device_not

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Date:   Tue, 24 Oct 2023 14:02:05 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Russell King <rmk+kernel@...linux.org.uk>
Cc:     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,
        x86@...nel.org, James Morse <james.morse@....com>,
        Salil Mehta <salil.mehta@...wei.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        jianyong.wu@....com, justin.he@....com,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Len Brown <lenb@...nel.org>
Subject: Re: [PATCH] ACPI: Rename acpi_scan_device_not_present() to be about enumeration

On Fri, Oct 20, 2023 at 8:47 PM Russell King <rmk+kernel@...linux.org.uk> wrote:
>
> From: James Morse <james.morse@....com>
>
> 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>
> Reviewed-by: Gavin Shan <gshan@...hat.com>
> Signed-off-by: Russell King (Oracle) <rmk+kernel@...linux.org.uk>
> ---
> This is another patch from James' aarch64 hotplug vcpu series.
>
> I asked:
> > Is this another patch which ought to be submitted without waiting
> > for the rest of the series?
> to which Jonathan Cameron replied:
> > Looks like a valid standalone change to me.
>
> So let's get this queued up.
>
>  drivers/acpi/scan.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
>
> 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)
> --

Applied as 6.7 material, thanks!