On Tue, 6 Sep 2016, Tomasz Nowicki wrote:
> +/**
> + * iort_get_device_domain() - Find MSI domain related to a device
> + * @dev: The device.
> + * @req_id: Requester ID for the device.
> + *
> + * Returns: the MSI domain for this device, NULL otherwise
> + */
> +struct irq_domain *iort_get_device_domain(struct device *dev, u32 req_id)
> +{
> + static struct fwnode_handle *handle;
static ??????
> + int its_id;
> +
> + if (iort_dev_find_its_id(dev, req_id, 0, &its_id))
> + return NULL;
> +
> + handle = iort_find_domain_token(its_id);
You reevaluate that on every call.
Thanks,
tglx
