linux-kernel - Re: [RFC Patch v1 2/6] ACPI: rename acpi_evaluate_hotplug_ost to acpi_evaluate

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Date:	Tue, 18 Feb 2014 02:06:48 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Jiang Liu <jiang.liu@...ux.intel.com>
Cc:	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
	Lv Zheng <lv.zheng@...el.com>, Len Brown <lenb@...nel.org>,
	Robert Moore <robert.moore@...el.com>,
	Tony Luck <tony.luck@...el.com>, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, devel@...ica.org
Subject: Re: [RFC Patch v1 2/6] ACPI: rename acpi_evaluate_hotplug_ost to acpi_evaluate_ost for reuse

On Monday, February 17, 2014 01:02:49 PM Jiang Liu wrote:
> Rename acpi_evaluate_hotplug_ost() to acpi_evaluate_ost() for later resue.
> 
> Signed-off-by: Jiang Liu <jiang.liu@...ux.intel.com>
> ---
>  drivers/acpi/utils.c    |   14 ++++----------
>  include/acpi/acpi_bus.h |   10 +++++++++-
>  2 files changed, 13 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
> index 85e3b61..19d0169 100644
> --- a/drivers/acpi/utils.c
> +++ b/drivers/acpi/utils.c
> @@ -433,17 +433,15 @@ EXPORT_SYMBOL(acpi_get_physical_device_location);
>   * When the platform does not support _OST, this function has no effect.
>   */
>  acpi_status
> -acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event,
> -		u32 status_code, struct acpi_buffer *status_buf)

There are users of this, what about updating them?

> +acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code,
> +		  struct acpi_buffer *status_buf)
>  {
> -#ifdef ACPI_HOTPLUG_OST
>  	union acpi_object params[3] = {
>  		{.type = ACPI_TYPE_INTEGER,},
>  		{.type = ACPI_TYPE_INTEGER,},
>  		{.type = ACPI_TYPE_BUFFER,}
>  	};
>  	struct acpi_object_list arg_list = {3, params};
> -	acpi_status status;
>  
>  	params[0].integer.value = source_event;
>  	params[1].integer.value = status_code;
> @@ -455,13 +453,9 @@ acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event,
>  		params[2].buffer.length = 0;
>  	}
>  
> -	status = acpi_evaluate_object(handle, "_OST", &arg_list, NULL);
> -	return status;
> -#else
> -	return AE_OK;
> -#endif
> +	return acpi_evaluate_object(handle, "_OST", &arg_list, NULL);
>  }
> -EXPORT_SYMBOL(acpi_evaluate_hotplug_ost);
> +EXPORT_SYMBOL(acpi_evaluate_ost);
>  
>  /**
>   * acpi_handle_printk: Print message with ACPI prefix and object path
> diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
> index 8256eb4..adef502 100644
> --- a/include/acpi/acpi_bus.h
> +++ b/include/acpi/acpi_bus.h
> @@ -49,8 +49,16 @@ acpi_evaluate_reference(acpi_handle handle,
>  			struct acpi_object_list *arguments,
>  			struct acpi_handle_list *list);
>  acpi_status
> +acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code,
> +		  struct acpi_buffer *status_buf);
> +#ifdef ACPI_HOTPLUG_OST
> +#define	acpi_evaluate_hotplug_ost	acpi_evaluate_ost
> +#else
> +static inline acpi_status
>  acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event,
> -			u32 status_code, struct acpi_buffer *status_buf);
> +			u32 status_code, struct acpi_buffer *status_buf)
> +{ return AE_OK; }
> +#endif
>  
>  acpi_status
>  acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld);
> 

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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