lisa/android_kernel_xiaomi_sm8350
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Merge "dma-mapping-fast: Align memory allocation to dma_alloc_attrs expectations"

Browse Source
This commit is contained in:
qctecmdr 2020-02-14 08:25:43 -08:00 committed by Gerrit - the friendly Code Review server
commit a5984a227e
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/iommu/dma-mapping-fast.c
View File

@ -643,6 +643,7 @@ static void *__fast_smmu_alloc_contiguous(struct device *dev, size_t size,
coherent_addr = page_address(page);
}
memset(coherent_addr, 0, size);
*handle = iova;
return coherent_addr;
@ -681,6 +682,9 @@ static void *fast_smmu_alloc(struct device *dev, size_t size,
return NULL;
}
if (!(attrs & DMA_ATTR_SKIP_ZEROING))
gfp |= __GFP_ZERO;
*handle = DMA_ERROR_CODE;
size = ALIGN(size, SZ_4K);