diff options
| -rw-r--r-- | kernel/dma/direct.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index 63859a101ed8..5595d1d5cdcc 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -44,10 +44,11 @@ u64 dma_direct_get_required_mask(struct device *dev) return (1ULL << (fls64(max_dma) - 1)) * 2 - 1; } -static gfp_t dma_direct_optimal_gfp_mask(struct device *dev, u64 dma_mask, - u64 *phys_limit) +static gfp_t dma_direct_optimal_gfp_mask(struct device *dev, u64 *phys_limit) { - u64 dma_limit = min_not_zero(dma_mask, dev->bus_dma_limit); + u64 dma_limit = min_not_zero( + dev->coherent_dma_mask, + dev->bus_dma_limit); /* * Optimistically try the zone that the physical address mask falls @@ -126,8 +127,7 @@ static struct page *__dma_direct_alloc_pages(struct device *dev, size_t size, if (is_swiotlb_for_alloc(dev)) return dma_direct_alloc_swiotlb(dev, size); - gfp |= dma_direct_optimal_gfp_mask(dev, dev->coherent_dma_mask, - &phys_limit); + gfp |= dma_direct_optimal_gfp_mask(dev, &phys_limit); page = dma_alloc_contiguous(dev, size, gfp); if (page) { if (!dma_coherent_ok(dev, page_to_phys(page), size) || @@ -172,14 +172,13 @@ static void *dma_direct_alloc_from_pool(struct device *dev, size_t size, dma_addr_t *dma_handle, gfp_t gfp) { struct page *page; - u64 phys_mask; + u64 phys_limit; void *ret; if (WARN_ON_ONCE(!IS_ENABLED(CONFIG_DMA_COHERENT_POOL))) return NULL; - gfp |= dma_direct_optimal_gfp_mask(dev, dev->coherent_dma_mask, - &phys_mask); + gfp |= dma_direct_optimal_gfp_mask(dev, &phys_limit); page = dma_alloc_from_pool(dev, size, &ret, gfp, dma_coherent_ok); if (!page) return NULL; |