ANDROID: iommu/io-pgtable: Always call io_pgtable_tlb_add_page even if gather is NULL
Always call io_pgtable_tlb_add_page() even if gather is NULL. The pKVM
SMMUv3 driver relies on this behavior.
Bug: 450108340
Change-Id: If3368007d2743e9e9ffad1124dcf83a5670acca9
Signed-off-by:
Daniel Mentz <danielmentz@google.com>
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