x86/dma: Remove the x86_dma_fallback_dev hack

[mirror_ubuntu-eoan-kernel.git] / kernel / dma / mapping.c

diff --git a/kernel/dma/mapping.c b/kernel/dma/mapping.c
index c000906348c936162e1dc4cd7faa1147a57c6d8e..685a53f2a7936986a3dfaecf9b32eb1bd3e542c8 100644 (file)
--- a/kernel/dma/mapping.c
+++ b/kernel/dma/mapping.c
@@ -238,10 +238,6 @@ u64 dma_get_required_mask(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(dma_get_required_mask);
 
-#ifndef arch_dma_alloc_attrs
-#define arch_dma_alloc_attrs(dev)      (true)
-#endif
-
 void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
                gfp_t flag, unsigned long attrs)
 {
@@ -256,9 +252,6 @@ void *dma_alloc_attrs(struct device *dev, size_t size, dma_addr_t *dma_handle,
        /* let the implementation decide on the zone to allocate from: */
        flag &= ~(__GFP_DMA | __GFP_DMA32 | __GFP_HIGHMEM);
 
-       if (!arch_dma_alloc_attrs(&dev))
-               return NULL;
-
        if (dma_is_direct(ops))
                cpu_addr = dma_direct_alloc(dev, size, dma_handle, flag, attrs);
        else if (ops->alloc)