Will need to use it for pci root bridge hotplug support, rename
*acpiphp* to *acpi* and move to osc.c.
Also make kacpi_hotplug_wq static after that.
Signed-off-by: Yinghai Lu <ying...@kernel.org>
Cc: Len Brown <l...@kernel.org>
Cc: linux-a...@vger.kernel.org
---
drivers/acpi/osl.c | 24 +++++++++++++++++++--
drivers/pci/hotplug/acpiphp_glue.c | 42 ++++++------------------------------
include/acpi/acpiosxf.h | 9 +++++++-
3 files changed, 36 insertions(+), 39 deletions(-)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 3ff2678..afcce46 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -84,8 +84,7 @@ static acpi_osd_handler acpi_irq_handler;
static void *acpi_irq_context;
static struct workqueue_struct *kacpid_wq;
static struct workqueue_struct *kacpi_notify_wq;
-struct workqueue_struct *kacpi_hotplug_wq;
-EXPORT_SYMBOL(kacpi_hotplug_wq);
+static struct workqueue_struct *kacpi_hotplug_wq;
/*
* This list of permanent mappings is for memory that may be accessed from
@@ -1778,3 +1777,24 @@ 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/drivers/pci/hotplug/acpiphp_glue.c
b/drivers/pci/hotplug/acpiphp_glue.c
index 79db296..55e03b6 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -1203,34 +1203,6 @@ check_sub_bridges(acpi_handle handle, u32 lvl, void
*context, void **rv)
return AE_OK ;
}
-struct acpiphp_hp_work {
- struct work_struct work;
- acpi_handle handle;
- u32 type;
- void *context;
-};
-
-static void alloc_acpiphp_hp_work(acpi_handle handle, u32 type,
- void *context,
- void (*func)(struct work_struct *work))
-{
- struct acpiphp_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);
-}
-
static void _handle_hotplug_event_bridge(struct work_struct *work)
{
struct acpiphp_bridge *bridge;
@@ -1239,11 +1211,11 @@ static void _handle_hotplug_event_bridge(struct
work_struct *work)
.pointer = objname };
struct acpi_device *device;
int num_sub_bridges = 0;
- struct acpiphp_hp_work *hp_work;
+ struct acpi_hp_work *hp_work;
acpi_handle handle;
u32 type;
- hp_work = container_of(work, struct acpiphp_hp_work, work);
+ hp_work = container_of(work, struct acpi_hp_work, work);
handle = hp_work->handle;
type = hp_work->type;
@@ -1346,8 +1318,7 @@ static void handle_hotplug_event_bridge(acpi_handle
handle, u32 type,
* For now just re-add this work to the kacpi_hotplug_wq so we
* don't deadlock on hotplug actions.
*/
- alloc_acpiphp_hp_work(handle, type, context,
- _handle_hotplug_event_bridge);
+ alloc_acpi_hp_work(handle, type, context, _handle_hotplug_event_bridge);
}
static void _handle_hotplug_event_func(struct work_struct *work)
@@ -1356,12 +1327,12 @@ static void _handle_hotplug_event_func(struct
work_struct *work)
char objname[64];
struct acpi_buffer buffer = { .length = sizeof(objname),
.pointer = objname };
- struct acpiphp_hp_work *hp_work;
+ struct acpi_hp_work *hp_work;
acpi_handle handle;
u32 type;
void *context;
- hp_work = container_of(work, struct acpiphp_hp_work, work);
+ hp_work = container_of(work, struct acpi_hp_work, work);
handle = hp_work->handle;
type = hp_work->type;
context = hp_work->context;
@@ -1422,8 +1393,7 @@ static void handle_hotplug_event_func(acpi_handle handle,
u32 type,
* For now just re-add this work to the kacpi_hotplug_wq so we
* don't deadlock on hotplug actions.
*/
- alloc_acpiphp_hp_work(handle, type, context,
- _handle_hotplug_event_func);
+ alloc_acpi_hp_work(handle, type, context, _handle_hotplug_event_func);
}
static acpi_status
diff --git a/include/acpi/acpiosxf.h b/include/acpi/acpiosxf.h
index 4315274..adab63c 100644
--- a/include/acpi/acpiosxf.h
+++ b/include/acpi/acpiosxf.h
@@ -193,7 +193,14 @@ void acpi_os_fixed_event_count(u32 fixed_event_number);
/*
* Threads and Scheduling
*/
-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);
--
1.7.10.4
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