ANDROID: dma-buf: Use is_swiotlb_buffer() direct replacement swiotlb_find_pool()

Commit 7296f2301a ("swiotlb: reduce swiotlb pool lookups") turned down
the call to is_swiotlb_buffer() in favour of a new way to interact with
swiotlb pools.  Our out-of-tree use-case is trivial since we can simply
use the drop-in replacement swiotlb_find_pool().

Fixes: 7296f2301a ("swiotlb: reduce swiotlb pool lookups")
Signed-off-by: Lee Jones <joneslee@google.com>
Change-Id: I85bd60ff671ec178be90907a1f2201e8121bd7fd

drivers/dma-buf/heaps/system_heap.c

@@ -77,7 +77,7 @@ static bool needs_swiotlb_bounce(struct device *dev, struct sg_table *table)
 			phys_addr_t paddr = domain ?
 					    iommu_iova_to_phys(domain, sg_dma_address(sg)) :
 					    dma_to_phys(dev, sg_dma_address(sg));
-			if (is_swiotlb_buffer(dev, paddr))
+			if (swiotlb_find_pool(dev, paddr))
 				return true;
 		}
 	}