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author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-10 18:19:42 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-09-10 18:19:42 -0700 |
commit | 33e247c7e58d335d70ecb84fd869091e2e4b8dcb (patch) | |
tree | e8561e1993dff03f8e56d10a5795fe9d379a3390 /arch/arm64 | |
parent | d71fc239b6915a8b750e9a447311029ff45b6580 (diff) | |
parent | 452e06af1f0149b01201f94264d452cd7a95db7a (diff) | |
download | linux-33e247c7e58d335d70ecb84fd869091e2e4b8dcb.tar.bz2 |
Merge branch 'akpm' (patches from Andrew)
Merge third patch-bomb from Andrew Morton:
- even more of the rest of MM
- lib/ updates
- checkpatch updates
- small changes to a few scruffy filesystems
- kmod fixes/cleanups
- kexec updates
- a dma-mapping cleanup series from hch
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (81 commits)
dma-mapping: consolidate dma_set_mask
dma-mapping: consolidate dma_supported
dma-mapping: cosolidate dma_mapping_error
dma-mapping: consolidate dma_{alloc,free}_noncoherent
dma-mapping: consolidate dma_{alloc,free}_{attrs,coherent}
mm: use vma_is_anonymous() in create_huge_pmd() and wp_huge_pmd()
mm: make sure all file VMAs have ->vm_ops set
mm, mpx: add "vm_flags_t vm_flags" arg to do_mmap_pgoff()
mm: mark most vm_operations_struct const
namei: fix warning while make xmldocs caused by namei.c
ipc: convert invalid scenarios to use WARN_ON
zlib_deflate/deftree: remove bi_reverse()
lib/decompress_unlzma: Do a NULL check for pointer
lib/decompressors: use real out buf size for gunzip with kernel
fs/affs: make root lookup from blkdev logical size
sysctl: fix int -> unsigned long assignments in INT_MIN case
kexec: export KERNEL_IMAGE_SIZE to vmcoreinfo
kexec: align crash_notes allocation to make it be inside one physical page
kexec: remove unnecessary test in kimage_alloc_crash_control_pages()
kexec: split kexec_load syscall from kexec core code
...
Diffstat (limited to 'arch/arm64')
-rw-r--r-- | arch/arm64/include/asm/dma-mapping.h | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/arch/arm64/include/asm/dma-mapping.h b/arch/arm64/include/asm/dma-mapping.h index f0d6d0bfe55c..cfdb34bedbcd 100644 --- a/arch/arm64/include/asm/dma-mapping.h +++ b/arch/arm64/include/asm/dma-mapping.h @@ -22,8 +22,6 @@ #include <linux/types.h> #include <linux/vmalloc.h> -#include <asm-generic/dma-coherent.h> - #include <xen/xen.h> #include <asm/xen/hypervisor.h> @@ -86,28 +84,6 @@ static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t dev_addr) return (phys_addr_t)dev_addr; } -static inline int dma_mapping_error(struct device *dev, dma_addr_t dev_addr) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - debug_dma_mapping_error(dev, dev_addr); - return ops->mapping_error(dev, dev_addr); -} - -static inline int dma_supported(struct device *dev, u64 mask) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - return ops->dma_supported(dev, mask); -} - -static inline int dma_set_mask(struct device *dev, u64 mask) -{ - if (!dev->dma_mask || !dma_supported(dev, mask)) - return -EIO; - *dev->dma_mask = mask; - - return 0; -} - static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size) { if (!dev->dma_mask) @@ -120,50 +96,5 @@ static inline void dma_mark_clean(void *addr, size_t size) { } -#define dma_alloc_coherent(d, s, h, f) dma_alloc_attrs(d, s, h, f, NULL) -#define dma_free_coherent(d, s, h, f) dma_free_attrs(d, s, h, f, NULL) - -static inline void *dma_alloc_attrs(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flags, - struct dma_attrs *attrs) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - void *vaddr; - - if (dma_alloc_from_coherent(dev, size, dma_handle, &vaddr)) - return vaddr; - - vaddr = ops->alloc(dev, size, dma_handle, flags, attrs); - debug_dma_alloc_coherent(dev, size, *dma_handle, vaddr); - return vaddr; -} - -static inline void dma_free_attrs(struct device *dev, size_t size, - void *vaddr, dma_addr_t dev_addr, - struct dma_attrs *attrs) -{ - struct dma_map_ops *ops = get_dma_ops(dev); - - if (dma_release_from_coherent(dev, get_order(size), vaddr)) - return; - - debug_dma_free_coherent(dev, size, vaddr, dev_addr); - ops->free(dev, size, vaddr, dev_addr, attrs); -} - -/* - * There is no dma_cache_sync() implementation, so just return NULL here. - */ -static inline void *dma_alloc_noncoherent(struct device *dev, size_t size, - dma_addr_t *handle, gfp_t flags) -{ - return NULL; -} - -static inline void dma_free_noncoherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t handle) -{ -} - #endif /* __KERNEL__ */ #endif /* __ASM_DMA_MAPPING_H */ |