The code incorrectly masked with PAGE_OFFSET instead of PAGE_SIZE-1. This only matters when trying to do a non page-aligned DMA; it was noticed during code inspection. Signed-off-by: Chris Metcalf <cmetcalf@xxxxxxxxxx> --- arch/tile/kernel/pci-dma.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/tile/kernel/pci-dma.c b/arch/tile/kernel/pci-dma.c index 3570ff7..cbc6fc4 100644 --- a/arch/tile/kernel/pci-dma.c +++ b/arch/tile/kernel/pci-dma.c @@ -257,7 +257,7 @@ static void tile_dma_unmap_page(struct device *dev, dma_addr_t dma_address, BUG_ON(!valid_dma_direction(direction)); __dma_complete_page(pfn_to_page(PFN_DOWN(dma_address)), - dma_address & PAGE_OFFSET, size, direction); + dma_address & (PAGE_SIZE - 1), size, direction); } static void tile_dma_sync_single_for_cpu(struct device *dev, @@ -436,7 +436,7 @@ static void tile_pci_dma_unmap_page(struct device *dev, dma_addr_t dma_address, dma_address -= get_dma_offset(dev); __dma_complete_page(pfn_to_page(PFN_DOWN(dma_address)), - dma_address & PAGE_OFFSET, size, direction); + dma_address & (PAGE_SIZE - 1), size, direction); } static void tile_pci_dma_sync_single_for_cpu(struct device *dev, -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
