From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Yinghai Lu To: Bjorn Helgaas , "Rafael J. Wysocki" , Len Brown , Taku Izumi , Jiang Liu Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, Yinghai Lu Subject: [PATCH v8 17/22] PCI, ACPI: Add alloc_acpi_hp_work() Date: Fri, 11 Jan 2013 14:40:44 -0800 Message-Id: <1357944049-29620-18-git-send-email-yinghai@kernel.org> In-Reply-To: <1357944049-29620-1-git-send-email-yinghai@kernel.org> References: <1357944049-29620-1-git-send-email-yinghai@kernel.org> Sender: linux-acpi-owner@vger.kernel.org List-ID: Will use it with acpiphp and pci_root_hp events handling Signed-off-by: Yinghai Lu Cc: Len Brown Cc: linux-acpi@vger.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 -- 1.7.10.4