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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2023-08-30 16:06:38 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2023-08-30 16:06:38 -0700
commit1ac731c529cd4d6adbce134754b51ff7d822b145 (patch)
tree143ab3f35ca5f3b69f583c84e6964b17139c2ec1 /kernel/dma/direct.c
parent07b4c950f27bef0362dc6ad7ee713aab61d58149 (diff)
parent54116d442e001e1b6bd482122043b1870998a1f3 (diff)
Merge branch 'next' into for-linus
Prepare input updates for 6.6 merge window.
Diffstat (limited to 'kernel/dma/direct.c')
-rw-r--r--kernel/dma/direct.c15
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;