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Message-ID: <20230914130455.00004434@Huawei.com>
Date: Thu, 14 Sep 2023 13:04:55 +0100
From: Jonathan Cameron <Jonathan.Cameron@...wei.com>
To: James Morse <james.morse@....com>
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>, 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 12/35] ACPI: Use the acpi_device_is_present()
helper in more places
On Wed, 13 Sep 2023 16:38:00 +0000
James Morse <james.morse@....com> wrote:
> acpi_device_is_present() checks the present or functional bits
> from the cached copy of _STA.
>
> A few places open-code this check. Use the helper instead to
> improve readability.
>
> Signed-off-by: James Morse <james.morse@....com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@...wei.com>
Pull this one out and send it upstream in advance of the rest.
Jonathan
> ---
> drivers/acpi/scan.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
> index 691d4b7686ee..ed01e19514ef 100644
> --- a/drivers/acpi/scan.c
> +++ b/drivers/acpi/scan.c
> @@ -304,7 +304,7 @@ static int acpi_scan_device_check(struct acpi_device *adev)
> int error;
>
> acpi_bus_get_status(adev);
> - if (adev->status.present || adev->status.functional) {
> + if (acpi_device_is_present(adev)) {
> /*
> * This function is only called for device objects for which
> * matching scan handlers exist. The only situation in which
> @@ -338,7 +338,7 @@ static int acpi_scan_bus_check(struct acpi_device *adev, void *not_used)
> int error;
>
> acpi_bus_get_status(adev);
> - if (!(adev->status.present || adev->status.functional)) {
> + if (!acpi_device_is_present(adev)) {
> acpi_scan_device_not_present(adev);
> return 0;
> }
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