linux-imx

}

​

EXPORT_SYMBOL_GPL(acpi_smbus_register_callback);

​

int acpi_smbus_unregister_callback(struct acpi_smb_hc *hc)

{

    mutex_lock(&hc->lock);

    hc->callback = NULL;

    hc->context = NULL;

    mutex_unlock(&hc->lock);

    return 0;

}

​

EXPORT_SYMBOL_GPL(acpi_smbus_unregister_callback);

​

static inline void acpi_smbus_callback(void *context)

{

    struct acpi_smb_hc *hc = context;

    if (hc->callback)

        hc->callback(hc->context);

​

static int acpi_smbus_hc_remove(struct acpi_device *device)

{

    struct acpi_smb_hc *hc;

​

    if (!device)

        return -EINVAL;

​

    hc = acpi_driver_data(device);

    acpi_ec_remove_query_handler(hc->ec, hc->query_bit);

    kfree(hc);

    device->driver_data = NULL;

    return 0;

}

​

module_acpi_driver(acpi_smb_hc_driver);

​

MODULE_LICENSE("GPL");

MODULE_AUTHOR("Alexey Starikovskiy");

MODULE_DESCRIPTION("ACPI SMBus HC driver");