Re: [PATCH 4/10] ACPI: register ACPI Fan as generic thermal cooling device

[Len Brown <lenb@kernel.org>]

On Thursday 17 January 2008 02:51, Zhang Rui wrote:
> +#ifdef CONFIG_ACPI_PROCFS
>  
>  static struct proc_dir_entry *acpi_fan_dir;
>  
> @@ -167,7 +213,17 @@ static int acpi_fan_remove_fs(struct acp
>  
>         return 0;
>  }
> +#else
> +static int acpi_fan_add_fs(struct acpi_device *device)
> +{
> +       return 0;
> +}
>  
> +static int acpi_fan_remove_fs(struct acpi_device *device)
> +{
> +       return 0;
> +}
> +#endif

commit 3c602840528cf1aa835e6e32d76a0a45936b8e4c
Author: Len Brown <len.brown@intel.com>
Date:   Sat Feb 2 04:05:54 2008 -0500

    ACPI: fan: build fix for CONFIG_ACPI_PROCFS=n
    
    drivers/acpi/fan.c:340: error: ‘acpi_fan_dir’ undeclared (first use in this function)
    
    Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index f6e8165..48cb705 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -337,10 +337,12 @@ static int __init acpi_fan_init(void)
 	int result = 0;
 
 
+#ifdef CONFIG_ACPI_PROCFS
 	acpi_fan_dir = proc_mkdir(ACPI_FAN_CLASS, acpi_root_dir);
 	if (!acpi_fan_dir)
 		return -ENODEV;
 	acpi_fan_dir->owner = THIS_MODULE;
+#endif
 
 	result = acpi_bus_register_driver(&acpi_fan_driver);
 	if (result < 0) {