linux-kernel - Re: [PATCH v8 17/22] PCI, ACPI: Add alloc_acpi_hp

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Message-ID: <3988288.MTBNr2Bzqb@vostro.rjw.lan>
Date:	Sun, 13 Jan 2013 00:45:24 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>, Len Brown <lenb@...nel.org>,
	Taku Izumi <izumi.taku@...fujitsu.com>,
	Jiang Liu <jiang.liu@...wei.com>, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: [PATCH v8 17/22] PCI, ACPI: Add alloc_acpi_hp_work()

On Friday, January 11, 2013 02:40:44 PM Yinghai Lu wrote:
> Will use it with acpiphp and pci_root_hp events handling

I think it would be better if you folded patches [17-20/22] together.

Thanks,
Rafael


> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> Cc: Len Brown <lenb@...nel.org>
> Cc: linux-acpi@...r.kernel.org
> ---
>  drivers/acpi/osl.c      |   21 +++++++++++++++++++++
>  include/acpi/acpiosxf.h |    9 +++++++++
>  2 files changed, 30 insertions(+)
> 
> diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
> index 3ff2678..e6539a3 100644
> --- a/drivers/acpi/osl.c
> +++ b/drivers/acpi/osl.c
> @@ -1778,3 +1778,24 @@ void acpi_os_set_prepare_sleep(int (*func)(u8 sleep_state,
>  {
>  	__acpi_os_prepare_sleep = func;
>  }
> +
> +void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context,
> +			void (*func)(struct work_struct *work))
> +{
> +	struct acpi_hp_work *hp_work;
> +	int ret;
> +
> +	hp_work = kmalloc(sizeof(*hp_work), GFP_KERNEL);
> +	if (!hp_work)
> +		return;
> +
> +	hp_work->handle = handle;
> +	hp_work->type = type;
> +	hp_work->context = context;
> +
> +	INIT_WORK(&hp_work->work, func);
> +	ret = queue_work(kacpi_hotplug_wq, &hp_work->work);
> +	if (!ret)
> +		kfree(hp_work);
> +}
> +EXPORT_SYMBOL(alloc_acpi_hp_work);
> diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
> index 4315274..2a64da5 100644
> --- a/include/acpi/acpiosxf.h
> +++ b/include/acpi/acpiosxf.h
> @@ -195,6 +195,15 @@ void acpi_os_fixed_event_count(u32 fixed_event_number);
>   */
>  extern struct workqueue_struct *kacpi_hotplug_wq;
>  
> +struct acpi_hp_work {
> +	struct work_struct work;
> +	acpi_handle handle;
> +	u32 type;
> +	void *context;
> +};
> +void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context,
> +			void (*func)(struct work_struct *work));
> +
>  acpi_thread_id acpi_os_get_thread_id(void);
>  
>  acpi_status
> 
-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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