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Diffstat (limited to 'drivers/acpi/dock.c')
-rw-r--r--drivers/acpi/dock.c31
1 files changed, 5 insertions, 26 deletions
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 05ea4be01a83..dcd73ccb514c 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -441,7 +441,7 @@ static void handle_dock(struct dock_station *ds, int dock)
acpi_status status;
struct acpi_object_list arg_list;
union acpi_object arg;
- struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ unsigned long long value;
acpi_handle_info(ds->handle, "%s\n", dock ? "docking" : "undocking");
@@ -450,12 +450,10 @@ static void handle_dock(struct dock_station *ds, int dock)
arg_list.pointer = &arg;
arg.type = ACPI_TYPE_INTEGER;
arg.integer.value = dock;
- status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer);
+ status = acpi_evaluate_integer(ds->handle, "_DCK", &arg_list, &value);
if (ACPI_FAILURE(status) && status != AE_NOT_FOUND)
acpi_handle_err(ds->handle, "Failed to execute _DCK (0x%x)\n",
status);
-
- kfree(buffer.pointer);
}
static inline void dock(struct dock_station *ds)
@@ -671,39 +669,20 @@ static void dock_notify(struct dock_station *ds, u32 event)
}
}
-struct dock_data {
- struct dock_station *ds;
- u32 event;
-};
-
-static void acpi_dock_deferred_cb(void *context)
+static void acpi_dock_deferred_cb(void *data, u32 event)
{
- struct dock_data *data = context;
-
acpi_scan_lock_acquire();
- dock_notify(data->ds, data->event);
+ dock_notify(data, event);
acpi_scan_lock_release();
- kfree(data);
}
static void dock_notify_handler(acpi_handle handle, u32 event, void *data)
{
- struct dock_data *dd;
-
if (event != ACPI_NOTIFY_BUS_CHECK && event != ACPI_NOTIFY_DEVICE_CHECK
&& event != ACPI_NOTIFY_EJECT_REQUEST)
return;
- dd = kmalloc(sizeof(*dd), GFP_KERNEL);
- if (dd) {
- acpi_status status;
-
- dd->ds = data;
- dd->event = event;
- status = acpi_os_hotplug_execute(acpi_dock_deferred_cb, dd);
- if (ACPI_FAILURE(status))
- kfree(dd);
- }
+ acpi_hotplug_execute(acpi_dock_deferred_cb, data, event);
}
/**