linux-kernel - Re: [Linaro-acpi] [RFC PATCH 2/2] ata: ahci_platform: Add ACPI

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Date:	Thu, 18 Dec 2014 10:17 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	linaro-acpi@...ts.linaro.org
Cc:	Suravee Suthikulpanit <suravee.suthikulpanit@....com>,
	rjw@...ysocki.net, lenb@...nel.org, hdegoede@...hat.com,
	tj@...nel.org, mjg59@...f.ucam.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-ide@...r.kernel.org
Subject: Re: [Linaro-acpi] [RFC PATCH 2/2] ata: ahci_platform: Add ACPI _CLS matching

On Wednesday 17 December 2014 17:16:35 Suravee Suthikulpanit wrote:
> +#ifdef CONFIG_ATA_ACPI
> +#include <linux/acpi.h>
> +#endif
>  #include "ahci.h"
>  
>  static const struct ata_port_info ahci_port_info = {
> @@ -71,6 +74,10 @@ static const struct of_device_id ahci_of_match[] = {
>  };
>  MODULE_DEVICE_TABLE(of, ahci_of_match);
>  
> +#ifdef CONFIG_ATA_ACPI
> +static const struct acpi_device_cls ahci_cls = {0x01, 0x06, 0x01};
> +#endif
> +
>  static struct platform_driver ahci_driver = {
>         .probe = ahci_probe,
>         .remove = ata_platform_remove_one,
> @@ -78,6 +85,9 @@ static struct platform_driver ahci_driver = {
>                 .name = "ahci",
>                 .owner = THIS_MODULE,
>                 .of_match_table = ahci_of_match,
> +#ifdef CONFIG_ATA_ACPI
> +               .acpi_cls = &ahci_cls,
> +#endif
>                 .pm = &ahci_pm_ops,
> 

It would be better to leave out the various #ifdef here, in particular the
one around the header file inclusion.

	Arnd
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