diff options
| author | Dominik Sliwa <dominik.sliwa@toradex.com> | 2019-03-04 12:01:54 +0100 |
|---|---|---|
| committer | Dominik Sliwa <dominik.sliwa@toradex.com> | 2019-03-04 12:01:54 +0100 |
| commit | 348fa3f6871f56a37dcd16c99ca98118c6d79a38 (patch) | |
| tree | 6fcae7785bae4ffb838fd6549f7d01ba6abf0763 /backport-include/asm-generic/pci-dma-compat.h | |
Backports v4.19.24
Backports generated by toradex backports 515a1fa55cda2b1d952872e1786857481bd54fcc
against mainline kernel tag v4.19.24
Signed-off-by: Dominik Sliwa <dominik.sliwa@toradex.com>
Diffstat (limited to 'backport-include/asm-generic/pci-dma-compat.h')
| -rw-r--r-- | backport-include/asm-generic/pci-dma-compat.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/backport-include/asm-generic/pci-dma-compat.h b/backport-include/asm-generic/pci-dma-compat.h new file mode 100644 index 0000000..1b1433e --- /dev/null +++ b/backport-include/asm-generic/pci-dma-compat.h @@ -0,0 +1,17 @@ +#ifndef __BACKPORT_ASM_GENERIC_PCI_DMA_COMPAT_H +#define __BACKPORT_ASM_GENERIC_PCI_DMA_COMPAT_H +#include_next <asm-generic/pci-dma-compat.h> + +#if LINUX_VERSION_IS_LESS(3,17,0) +#define pci_zalloc_consistent LINUX_BACKPORT(pci_zalloc_consistent) +static inline void *pci_zalloc_consistent(struct pci_dev *hwdev, size_t size, + dma_addr_t *dma_handle) +{ + void *ret = pci_alloc_consistent(hwdev, size, dma_handle); + if (ret) + memset(ret, 0, size); + return ret; +} +#endif + +#endif /* __BACKPORT_ASM_GENERIC_PCI_DMA_COMPAT_H */ |