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