diff options
Diffstat (limited to 'arch/powerpc/platforms/pseries/ibmebus.c')
| -rw-r--r-- | arch/powerpc/platforms/pseries/ibmebus.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/arch/powerpc/platforms/pseries/ibmebus.c b/arch/powerpc/platforms/pseries/ibmebus.c index 3436b0af795e..cad2deb7e70d 100644 --- a/arch/powerpc/platforms/pseries/ibmebus.c +++ b/arch/powerpc/platforms/pseries/ibmebus.c @@ -86,17 +86,18 @@ static void ibmebus_free_coherent(struct device *dev, kfree(vaddr); } -static dma_addr_t ibmebus_map_page(struct device *dev, - struct page *page, - unsigned long offset, +static dma_addr_t ibmebus_map_phys(struct device *dev, phys_addr_t phys, size_t size, enum dma_data_direction direction, unsigned long attrs) { - return (dma_addr_t)(page_address(page) + offset); + if (attrs & DMA_ATTR_MMIO) + return DMA_MAPPING_ERROR; + + return (dma_addr_t)(phys_to_virt(phys)); } -static void ibmebus_unmap_page(struct device *dev, +static void ibmebus_unmap_phys(struct device *dev, dma_addr_t dma_addr, size_t size, enum dma_data_direction direction, @@ -146,8 +147,8 @@ static const struct dma_map_ops ibmebus_dma_ops = { .unmap_sg = ibmebus_unmap_sg, .dma_supported = ibmebus_dma_supported, .get_required_mask = ibmebus_dma_get_required_mask, - .map_page = ibmebus_map_page, - .unmap_page = ibmebus_unmap_page, + .map_phys = ibmebus_map_phys, + .unmap_phys = ibmebus_unmap_phys, }; static int ibmebus_match_path(struct device *dev, const void *data) |