[PATCH 01/22] pci-dma-compat: Add pci_zalloc_consistent helper
From: Joe Perches <joe@perches.com>
Date: 2014-06-23 13:42:13
Also in:
lkml
Subsystem:
generic include/asm header files, pci subsystem, the rest · Maintainers:
Arnd Bergmann, Bjorn Helgaas, Linus Torvalds
Add this helper for consistency with pci_zalloc_coherent and the ability to remove unnecessary memset(,0,) uses. Signed-off-by: Joe Perches <joe@perches.com> --- 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