diff options
Diffstat (limited to 'arch/parisc/kernel/pci-dma.c')
-rw-r--r-- | arch/parisc/kernel/pci-dma.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/parisc/kernel/pci-dma.c b/arch/parisc/kernel/pci-dma.c index bd4c0a7471d3..c0dfd892f70c 100644 --- a/arch/parisc/kernel/pci-dma.c +++ b/arch/parisc/kernel/pci-dma.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* ** PARISC 1.1 Dynamic DMA mapping support. ** This implementation is for PA-RISC platforms that do not support @@ -571,6 +572,12 @@ static void pa11_dma_sync_sg_for_device(struct device *dev, struct scatterlist * flush_kernel_vmap_range(sg_virt(sg), sg->length); } +static void pa11_dma_cache_sync(struct device *dev, void *vaddr, size_t size, + enum dma_data_direction direction) +{ + flush_kernel_dcache_range((unsigned long)vaddr, size); +} + const struct dma_map_ops pcxl_dma_ops = { .dma_supported = pa11_dma_supported, .alloc = pa11_dma_alloc, @@ -583,6 +590,7 @@ const struct dma_map_ops pcxl_dma_ops = { .sync_single_for_device = pa11_dma_sync_single_for_device, .sync_sg_for_cpu = pa11_dma_sync_sg_for_cpu, .sync_sg_for_device = pa11_dma_sync_sg_for_device, + .cache_sync = pa11_dma_cache_sync, }; static void *pcx_dma_alloc(struct device *dev, size_t size, @@ -619,4 +627,5 @@ const struct dma_map_ops pcx_dma_ops = { .sync_single_for_device = pa11_dma_sync_single_for_device, .sync_sg_for_cpu = pa11_dma_sync_sg_for_cpu, .sync_sg_for_device = pa11_dma_sync_sg_for_device, + .cache_sync = pa11_dma_cache_sync, }; |