import PULS_20180308

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mm / dma-mapping.c

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index ef3e0f3aac96261d1c8e73671a00419c977902bc..4df2b7834ec8b1c1656af182210329eaa8f1e17c 100644 (file)
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -688,7 +688,7 @@ static void *__dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
 void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
                    gfp_t gfp, struct dma_attrs *attrs)
 {
-       pgprot_t prot = __get_dma_pgprot(attrs, pgprot_kernel);
+       pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL);
        void *memory;
 
        if (dma_alloc_from_coherent(dev, size, handle, &memory))
@@ -701,7 +701,7 @@ void *arm_dma_alloc(struct device *dev, size_t size, dma_addr_t *handle,
 static void *arm_coherent_dma_alloc(struct device *dev, size_t size,
        dma_addr_t *handle, gfp_t gfp, struct dma_attrs *attrs)
 {
-       pgprot_t prot = __get_dma_pgprot(attrs, pgprot_kernel);
+       pgprot_t prot = __get_dma_pgprot(attrs, PAGE_KERNEL);
        void *memory;
 
        if (dma_alloc_from_coherent(dev, size, handle, &memory))
@@ -1311,7 +1311,7 @@ static void *arm_iommu_alloc_attrs(struct device *dev, size_t size,
        *handle = DMA_ERROR_CODE;
        size = PAGE_ALIGN(size);
 
-       if (gfp & GFP_ATOMIC)
+       if (!(gfp & __GFP_WAIT))
                return __iommu_alloc_atomic(dev, size, handle);
 
        pages = __iommu_alloc_buffer(dev, size, gfp, attrs);