From dbb43101c2a9205b67223b006bf75c29ebadced9 Mon Sep 17 00:00:00 2001 From: Pushkar Singh Date: Tue, 2 Aug 2022 19:40:00 +0530 Subject: [PATCH] Fixed compilation issues on linux kernel >= 5.18.0 With kernel 5.18 and higher PCI: Remove the deprecated "pci-dma-compat.h" API The commit will make sure to impplement pci dma related api's [Retrieved from: https://github.com/asterisk/dahdi-linux/commit/dbb43101c2a9205b67223b006bf75c29ebadced9] Signed-off-by: Fabrice Fontaine --- include/dahdi/kernel.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/include/dahdi/kernel.h b/include/dahdi/kernel.h index ed81e9e3..35e93bc4 100644 --- a/include/dahdi/kernel.h +++ b/include/dahdi/kernel.h @@ -58,6 +58,37 @@ #include +#if LINUX_VERSION_CODE >= KERNEL_VERSION(5, 18, 0) +#include +#include + +static inline void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size, dma_addr_t *dma_handle) +{ + return dma_alloc_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) +{ + dma_free_coherent(hwdev == NULL ? NULL : &hwdev->dev, size, vaddr, dma_handle); +} + +static inline dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr, size_t size, int direction) +{ + return dma_map_single(&hwdev->dev, ptr, size, (enum dma_data_direction)direction); +} + +static inline void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr, size_t size, int direction) +{ + dma_unmap_single(&hwdev->dev, dma_addr, size, (enum dma_data_direction)direction); +} + +static inline int pci_set_dma_mask(struct pci_dev *dev, u64 mask) +{ + return dma_set_mask(&dev->dev, mask); +} + +#endif + #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 29) #define HAVE_NET_DEVICE_OPS #endif