static int xo15_sci_remove(struct acpi_device *device, int type)
{
acpi_disable_gpe(NULL, xo15_sci_gpe);
acpi_remove_gpe_handler(NULL, xo15_sci_gpe, xo15_sci_gpe_handler);
cancel_work_sync(&sci_work);
sysfs_remove_file(&device->dev.kobj, &lid_wake_on_close_attr.attr);
return 0;
}
acpi_status
ec_remove_gpe_handler (
EC_CONTEXT *ec)
{
acpi_status status = AE_OK;
FUNCTION_TRACE("ec_remove_gpe_handler");
if (!ec) {
return_ACPI_STATUS(AE_BAD_PARAMETER);
}
status = acpi_remove_gpe_handler(ec->gpe_bit, &ec_gpe_handler);
return_ACPI_STATUS(status);
}
static int xo15_sci_add(struct acpi_device *device)
{
unsigned long long tmp;
acpi_status status;
int r;
if (!device)
return -EINVAL;
strcpy(acpi_device_name(device), XO15_SCI_DEVICE_NAME);
strcpy(acpi_device_class(device), XO15_SCI_CLASS);
/* Get GPE bit assignment (EC events). */
status = acpi_evaluate_integer(device->handle, "_GPE", NULL, &tmp);
if (ACPI_FAILURE(status))
return -EINVAL;
xo15_sci_gpe = tmp;
status = acpi_install_gpe_handler(NULL, xo15_sci_gpe,
ACPI_GPE_EDGE_TRIGGERED,
xo15_sci_gpe_handler, device);
if (ACPI_FAILURE(status))
return -ENODEV;
dev_info(&device->dev, "Initialized, GPE = 0x%lx\n", xo15_sci_gpe);
r = sysfs_create_file(&device->dev.kobj, &lid_wake_on_close_attr.attr);
if (r)
goto err_sysfs;
/* Flush queue, and enable all SCI events */
process_sci_queue();
olpc_ec_mask_write(EC_SCI_SRC_ALL);
acpi_enable_gpe(NULL, xo15_sci_gpe);
/* Enable wake-on-EC */
if (device->wakeup.flags.valid)
device_init_wakeup(&device->dev, true);
return 0;
err_sysfs:
acpi_remove_gpe_handler(NULL, xo15_sci_gpe, xo15_sci_gpe_handler);
cancel_work_sync(&sci_work);
return r;
}