Merge tag 'xfs-5.4-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux

[linux.git] / drivers / parisc / sba_iommu.c

diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index ed50502cc65ad29836f5aa47253a0e974ae22471..de8e4e347249179a7cd3085f6a3c6f49e8ffd369 100644 (file)
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -678,14 +678,6 @@ static int sba_dma_supported( struct device *dev, u64 mask)
                return(0);
        }
 
-       /* Documentation/DMA-API-HOWTO.txt tells drivers to try 64-bit
-        * first, then fall back to 32-bit if that fails.
-        * We are just "encouraging" 32-bit DMA masks here since we can
-        * never allow IOMMU bypass unless we add special support for ZX1.
-        */
-       if (mask > ~0U)
-               return 0;
-
        ioc = GET_IOC(dev);
        if (!ioc)
                return 0;