Merge tag 'dma-mapping-6.3-2023-03-31' of git://git.infradead.org/users/hch/dma-mapping

Merge tag 'dma-mapping-6.3-2023-03-31' of git://git.infradead.org/users/hch/dma-mapping

Pull dma-mapping fixes from Christoph Hellwig:

 - fix for swiotlb deadlock due to wrong alignment checks (GuoRui.Yu,
   Petr Tesarik)

* tag 'dma-mapping-6.3-2023-03-31' of git://git.infradead.org/users/hch/dma-mapping:
  swiotlb: fix slot alignment checks
  swiotlb: use wrap_area_index() instead of open-coding it
  swiotlb: fix the deadlock in swiotlb_do_find_slots