- /*
- * N.B. REO/Grande defect AR2305 can cause TLB fetch timeouts
- * if a TLB entry is purged while in use. sba_mark_invalid()
- * purges IOTLB entries in power-of-two sizes, so we also
- * allocate IOVA space in power-of-two sizes.
- */
- bits_wanted = 1UL << get_iovp_order(bits_wanted << PAGE_SHIFT);
-