Re: [PATCH v2, 3/7] ACPI / container: Use common hotplug code

From: Toshi Kani
Date: Tue Feb 26 2013 - 18:24:08 EST


On Tue, 2013-02-26 at 23:46 +0100, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
>
> Switch the ACPI container driver to using common device hotplug code
> introduced previously. This reduces the driver down to a trivial
> definition and registration of a struct acpi_scan_handler object.
>
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> ---
> drivers/acpi/container.c | 146 +++--------------------------------------------
> 1 file changed, 10 insertions(+), 136 deletions(-)
>
> Index: test/drivers/acpi/container.c
> ===================================================================
> --- test.orig/drivers/acpi/container.c
> +++ test/drivers/acpi/container.c
> @@ -1,12 +1,12 @@
> /*
> - * acpi_container.c - ACPI Generic Container Driver
> - * ($Revision: )
> + * container.c - ACPI Generic Container Driver
> *
> * Copyright (C) 2004 Anil S Keshavamurthy (anil.s.keshavamurthy@xxxxxxxxx)
> * Copyright (C) 2004 Keiichiro Tokunaga (tokunaga.keiich@xxxxxxxxxxxxxx)
> * Copyright (C) 2004 Motoyuki Ito (motoyuki@xxxxxxxxxxxxxxxx)
> - * Copyright (C) 2004 Intel Corp.
> * Copyright (C) 2004 FUJITSU LIMITED
> + * Copyright (C) 2004, 2013 Intel Corp.
> + * Author: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>
> *
> * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> *
> @@ -26,14 +26,9 @@
> *
> * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> */
> -#include <linux/kernel.h>
> -#include <linux/module.h>
> -#include <linux/init.h>
> -#include <linux/slab.h>
> -#include <linux/types.h>
> #include <linux/acpi.h>
> -#include <acpi/acpi_bus.h>
> -#include <acpi/acpi_drivers.h>
> +
> +#include "internal.h"
>
> #define PREFIX "ACPI: "
>
> @@ -50,141 +45,20 @@ static const struct acpi_device_id conta
> static int container_device_attach(struct acpi_device *device,
> const struct acpi_device_id *not_used)
> {
> - /*
> - * FIXME: This is necessary, so that acpi_eject_store() doesn't return
> - * -ENODEV for containers.
> - */
> + /* This is necessary for container hotplug to work. */
> return 1;
> }
>
> static struct acpi_scan_handler container_device_handler = {
> .ids = container_device_ids,
> .attach = container_device_attach,
> + .hotplug = {
> + .enabled = true,
> + .user_eject = true,

I am not able to compile this patch 3/7... user_eject is not defined in
patch 2/7.

CC drivers/acpi/container.o
drivers/acpi/container.c:57:3: error: unknown field âuser_ejectâ
specified in initializer

-Toshi

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