diff options
| author | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2020-03-26 12:44:27 +0200 |
|---|---|---|
| committer | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2020-03-26 12:46:50 +0200 |
| commit | 87d308708712ff6075c4dd54b0519b47fdad8816 (patch) | |
| tree | 2fb6458b1db7dd21be2648f42412dd2485846c76 /backport-include/asm-generic/pci-dma-compat.h | |
Backports v5.4.27
Backports generated by toradex backports f6e8852f1ef28e6d3c9bae8400eb6a87a6b0c3e7
against mainline kernel tag v5.4.27
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@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 */ |