lkml.org 
[lkml]   [2013]   [Jan]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [RFC PATCH v2 02/12] ACPI: Add sys_hotplug.h for system device hotplug framework
Date
On Thursday, January 10, 2013 04:40:20 PM Toshi Kani wrote:
> Added include/acpi/sys_hotplug.h, which is ACPI-specific system
> device hotplug header and defines the order values of ACPI-specific
> handlers.
>
> Signed-off-by: Toshi Kani <toshi.kani@hp.com>
> ---
> include/acpi/sys_hotplug.h | 48 ++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 48 insertions(+)
> create mode 100644 include/acpi/sys_hotplug.h
>
> diff --git a/include/acpi/sys_hotplug.h b/include/acpi/sys_hotplug.h
> new file mode 100644
> index 0000000..ad80f61
> --- /dev/null
> +++ b/include/acpi/sys_hotplug.h
> @@ -0,0 +1,48 @@
> +/*
> + * sys_hotplug.h - ACPI System device hot-plug framework
> + *
> + * Copyright (C) 2012 Hewlett-Packard Development Company, L.P.
> + * Toshi Kani <toshi.kani@hp.com>
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +
> +#ifndef _ACPI_SYS_HOTPLUG_H
> +#define _ACPI_SYS_HOTPLUG_H
> +
> +#include <linux/list.h>
> +#include <linux/device.h>
> +#include <linux/sys_hotplug.h>
> +
> +/*
> + * System device hot-plug operation proceeds in the following order.
> + * Validate phase -> Execute phase -> Commit phase
> + *
> + * The order values below define the calling sequence of ACPI-specific
> + * handlers for each phase in ascending order. The order value of
> + * platform-neutral handlers are defined in <linux/sys_hotplug.h>.
> + */
> +
> +/* Add Validate order values */
> +#define SHP_ACPI_BUS_ADD_VALIDATE_ORDER 0 /* must be first */
> +
> +/* Add Execute order values */
> +#define SHP_ACPI_BUS_ADD_EXECUTE_ORDER 10
> +#define SHP_ACPI_RES_ADD_EXECUTE_ORDER 20
> +
> +/* Add Commit order values */
> +#define SHP_ACPI_BUS_ADD_COMMIT_ORDER 10
> +
> +/* Delete Validate order values */
> +#define SHP_ACPI_BUS_DEL_VALIDATE_ORDER 0 /* must be first */
> +#define SHP_ACPI_RES_DEL_VALIDATE_ORDER 10
> +
> +/* Delete Execute order values */
> +#define SHP_ACPI_BUS_DEL_EXECUTE_ORDER 100
> +
> +/* Delete Commit order values */
> +#define SHP_ACPI_BUS_DEL_COMMIT_ORDER 100
> +
> +#endif /* _ACPI_SYS_HOTPLUG_H */
> --

Why did you use the particular values above?

Rafael


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


\
 
 \ /
  Last update: 2013-01-11 23:01    [W:0.357 / U:0.600 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site