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authorYinghai Lu <yinghai@kernel.org>2013-01-21 13:20:47 -0800
committerBjorn Helgaas <bhelgaas@google.com>2013-01-25 14:43:22 -0700
commit92d8aff3a317fcd6f78ed9ac13dbbaeae8cb11ed (patch)
treed55492edb9abed37b88b25be4fef30a840d0200a /drivers/acpi/osl.c
parente723f0b4f4ecaf3fdd542124b3f99379ab8df757 (diff)
downloadlwn-92d8aff3a317fcd6f78ed9ac13dbbaeae8cb11ed.tar.gz
lwn-92d8aff3a317fcd6f78ed9ac13dbbaeae8cb11ed.zip
PCI/ACPI: acpiphp: Rename alloc_acpiphp_hp_work() to alloc_acpi_hp_work()
Will need to use it for PCI root bridge hotplug support, so rename *acpiphp* to *acpi* and move to osc.c. Also make kacpi_hotplug_wq static after that. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> CC: Len Brown <lenb@kernel.org> CC: linux-acpi@vger.kernel.org
Diffstat (limited to 'drivers/acpi/osl.c')
-rw-r--r--drivers/acpi/osl.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 3ff267861541..59ec5f52e849 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_GPL(alloc_acpi_hp_work);