linux-kernel - Re: [PATCH v2 05/22] ACPI: add acpi_dev_get

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Message-ID: <CAL_JsqKn82RqVhRRX0YPwZcfX66==1i3D43y8XLP07QARSGGrw@mail.gmail.com>
Date:	Wed, 29 Jul 2015 22:08:10 -0500
From:	Rob Herring <robherring2@...il.com>
To:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Stephen Warren <swarren@...dotorg.org>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Mark Brown <broonie@...nel.org>,
	Thierry Reding <thierry.reding@...il.com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>, Len Brown <lenb@...nel.org>
Subject: Re: [PATCH v2 05/22] ACPI: add acpi_dev_get_device()

On Tue, Jul 28, 2015 at 8:19 AM, Tomeu Vizoso
<tomeu.vizoso@...labora.com> wrote:
> This function is just a getter for struct acpi_device.dev and is needed
> in the implementation of the fwnode API when building with !CONFIG_ACPI.
>
> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> ---
>
> Changes in v2:
> - Add acpi_dev_get_device()
>
>  include/linux/acpi.h | 10 ++++++++++
>  1 file changed, 10 insertions(+)
>
> diff --git a/include/linux/acpi.h b/include/linux/acpi.h
> index 01e6770d8e27..d1ad6c20c7e4 100644
> --- a/include/linux/acpi.h
> +++ b/include/linux/acpi.h
> @@ -78,6 +78,11 @@ static inline void acpi_preset_companion(struct device *dev,
>         ACPI_COMPANION_SET(dev, acpi_find_child_device(parent, addr, NULL));
>  }
>
> +static inline struct device *acpi_dev_get_device(struct acpi_device *adev)

get usually implies reference counting. Perhaps acpi_dev_to_device or
acpi_dev_find_device.

Rob
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