diff options
Diffstat (limited to 'arch/powerpc/kernel/ibmebus.c')
| -rw-r--r-- | arch/powerpc/kernel/ibmebus.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index 28581f1ad2c0..d39ae606ff8d 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -37,12 +37,14 @@ */ #include <linux/init.h> +#include <linux/export.h> #include <linux/console.h> #include <linux/kobject.h> #include <linux/dma-mapping.h> #include <linux/interrupt.h> #include <linux/of.h> #include <linux/slab.h> +#include <linux/stat.h> #include <linux/of_platform.h> #include <asm/ibmebus.h> #include <asm/abs_addr.h> @@ -125,17 +127,23 @@ static void ibmebus_unmap_sg(struct device *dev, static int ibmebus_dma_supported(struct device *dev, u64 mask) { - return 1; + return mask == DMA_BIT_MASK(64); +} + +static u64 ibmebus_dma_get_required_mask(struct device *dev) +{ + return DMA_BIT_MASK(64); } static struct dma_map_ops ibmebus_dma_ops = { - .alloc_coherent = ibmebus_alloc_coherent, - .free_coherent = ibmebus_free_coherent, - .map_sg = ibmebus_map_sg, - .unmap_sg = ibmebus_unmap_sg, - .dma_supported = ibmebus_dma_supported, - .map_page = ibmebus_map_page, - .unmap_page = ibmebus_unmap_page, + .alloc_coherent = ibmebus_alloc_coherent, + .free_coherent = ibmebus_free_coherent, + .map_sg = ibmebus_map_sg, + .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, }; static int ibmebus_match_path(struct device *dev, void *data) |