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PCI: remove PCI_DMA_BUS_IS_PHYS

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This was used by the ide, scsi and networking code in the past to
determine if they should bounce payloads.  Now that the dma mapping
always have to support dma to all physical memory (thanks to swiotlb
for non-iommu systems) there is no need to this crude hack any more.

Signed-off-by: Christoph Hellwig <[email protected]>
Acked-by: Palmer Dabbelt <[email protected]> (for riscv)
Reviewed-by: Jens Axboe <[email protected]>
This commit is contained in:
Christoph Hellwig 2018-04-12 09:33:30 +02:00
commit 325ef1857f
31 changed files with 0 additions and 173 deletions
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2
drivers/parisc/ccio-dma.c
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@ -1596,8 +1596,6 @@ static int __init ccio_probe(struct parisc_device *dev)
}
#endif
ioc_count++;
parisc_has_iommu();
return 0;
}

2
drivers/parisc/sba_iommu.c
View file

@ -2017,8 +2017,6 @@ static int __init sba_driver_callback(struct parisc_device *dev)
proc_create("sba_iommu", 0, root, &sba_proc_fops);
proc_create("sba_iommu-bitmap", 0, root, &sba_proc_bitmap_fops);
#endif
parisc_has_iommu();
return 0;
}