Add this helper for consistency with pci_zalloc_coherent
and the ability to remove unnecessary memset(,0,) uses.
Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
---
include/asm-generic/pci-dma-compat.h | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/include/asm-generic/pci-dma-compat.h b/include/asm-generic/pci-dma-compat.h
index 1437b7d..c110843 100644
--- a/include/asm-generic/pci-dma-compat.h
+++ b/include/asm-generic/pci-dma-compat.h
@@ -19,6 +19,14 @@ pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
return dma_alloc_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, dma_handle, GFP_ATOMIC);
}
+static inline void *
+pci_zalloc_consistent(struct pci_dev *hwdev, size_t size,
+ dma_addr_t *dma_handle)
+{
+ return dma_zalloc_coherent(hwdev == NULL ? NULL : &hwdev->dev,
+ size, dma_handle, GFP_ATOMIC);
+}
+
static inline void
pci_free_consistent(struct pci_dev *hwdev, size_t size,
void *vaddr, dma_addr_t dma_handle)
--
1.8.1.2.459.gbcd45b4.dirty
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