#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/acpi.h>
-#include <asm/signal.h>
+#include <linux/signal.h>
+#include <linux/kthread.h>
#include <acpi/acpi_drivers.h>
#include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */
acpi_status status;
acpi_object_type type = 0;
struct acpi_device *acpi_device = to_acpi_device(d);
+ struct task_struct *task;
if ((!count) || (buf[0] != '1')) {
return -EINVAL;
}
/* remove the device in another thread to fix the deadlock issue */
- ret = kernel_thread(acpi_bus_hot_remove_device,
- acpi_device->handle, SIGCHLD);
- err:
+ task = kthread_run(acpi_bus_hot_remove_device,
+ acpi_device->handle, "acpi_hot_remove_device");
+ if (IS_ERR(task))
+ ret = PTR_ERR(task);
+err:
return ret;
}
device->dev.release = &acpi_device_release;
result = device_add(&device->dev);
if(result) {
- printk(KERN_ERR PREFIX "Error adding device %s", device->dev.bus_id);
+ dev_err(&device->dev, "Error adding device\n");
goto end;
}
acpi_status status = 0;
struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
union acpi_object *package = NULL;
- union acpi_object in_arg[3];
- struct acpi_object_list arg_list = { 3, in_arg };
- acpi_status psw_status = AE_OK;
+ int psw_error;
struct acpi_device_id button_device_ids[] = {
{"PNP0C0D", 0},
* So it is necessary to call _DSW object first. Only when it is not
* present will the _PSW object used.
*/
- /*
- * Three agruments are needed for the _DSW object.
- * Argument 0: enable/disable the wake capabilities
- * When _DSW object is called to disable the wake capabilities, maybe
- * the first argument is filled. The value of the other two agruments
- * is meaningless.
- */
- in_arg[0].type = ACPI_TYPE_INTEGER;
- in_arg[0].integer.value = 0;
- in_arg[1].type = ACPI_TYPE_INTEGER;
- in_arg[1].integer.value = 0;
- in_arg[2].type = ACPI_TYPE_INTEGER;
- in_arg[2].integer.value = 0;
- psw_status = acpi_evaluate_object(device->handle, "_DSW",
- &arg_list, NULL);
- if (ACPI_FAILURE(psw_status) && (psw_status != AE_NOT_FOUND))
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "error in evaluate _DSW\n"));
- /*
- * When the _DSW object is not present, OSPM will call _PSW object.
- */
- if (psw_status == AE_NOT_FOUND) {
- /*
- * Only one agruments is required for the _PSW object.
- * agrument 0: enable/disable the wake capabilities
- */
- arg_list.count = 1;
- in_arg[0].integer.value = 0;
- psw_status = acpi_evaluate_object(device->handle, "_PSW",
- &arg_list, NULL);
- if (ACPI_FAILURE(psw_status) && (psw_status != AE_NOT_FOUND))
- ACPI_DEBUG_PRINT((ACPI_DB_INFO, "error in "
- "evaluate _PSW\n"));
- }
+ psw_error = acpi_device_sleep_wake(device, 0, 0, 0);
+ if (psw_error)
+ ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+ "error in _DSW or _PSW evaluation\n"));
+
/* Power button, Lid switch always enable wakeup */
if (!acpi_match_device_ids(device, button_device_ids))
device->wakeup.flags.run_wake = 1;