Re: [Linaro-acpi] [RFC PATCH 2/2] ata: ahci_platform: Add ACPI _CLS matching

[Arnd Bergmann <arnd@arndb.de>]

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