From 03dd4cb26d967f9588437b0fc9cc0e8353322bb7 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Fri, 25 Mar 2016 03:53:42 -0300 Subject: Linux-libre 4.5-gnu --- arch/blackfin/include/asm/barrier.h | 4 +- arch/blackfin/include/asm/cmpxchg.h | 1 - arch/blackfin/include/asm/dma-mapping.h | 127 +------------------------------- arch/blackfin/include/asm/uaccess.h | 6 -- 4 files changed, 5 insertions(+), 133 deletions(-) (limited to 'arch/blackfin/include/asm') diff --git a/arch/blackfin/include/asm/barrier.h b/arch/blackfin/include/asm/barrier.h index dfb66fe88..7cca51cae 100644 --- a/arch/blackfin/include/asm/barrier.h +++ b/arch/blackfin/include/asm/barrier.h @@ -78,8 +78,8 @@ #endif /* !CONFIG_SMP */ -#define smp_mb__before_atomic() barrier() -#define smp_mb__after_atomic() barrier() +#define __smp_mb__before_atomic() barrier() +#define __smp_mb__after_atomic() barrier() #include diff --git a/arch/blackfin/include/asm/cmpxchg.h b/arch/blackfin/include/asm/cmpxchg.h index c05868cc6..253928854 100644 --- a/arch/blackfin/include/asm/cmpxchg.h +++ b/arch/blackfin/include/asm/cmpxchg.h @@ -128,6 +128,5 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr, #endif /* !CONFIG_SMP */ #define xchg(ptr, x) ((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) -#define tas(ptr) ((void)xchg((ptr), 1)) #endif /* __ARCH_BLACKFIN_CMPXCHG__ */ diff --git a/arch/blackfin/include/asm/dma-mapping.h b/arch/blackfin/include/asm/dma-mapping.h index 054d9ec57..3490570aa 100644 --- a/arch/blackfin/include/asm/dma-mapping.h +++ b/arch/blackfin/include/asm/dma-mapping.h @@ -8,36 +8,6 @@ #define _BLACKFIN_DMA_MAPPING_H #include -struct scatterlist; - -void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp); -void dma_free_coherent(struct device *dev, size_t size, void *vaddr, - dma_addr_t dma_handle); - -/* - * Now for the API extensions over the pci_ one - */ -#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) -#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) -#define dma_supported(d, m) (1) - -static inline int -dma_set_mask(struct device *dev, u64 dma_mask) -{ - if (!dev->dma_mask || !dma_supported(dev, dma_mask)) - return -EIO; - - *dev->dma_mask = dma_mask; - - return 0; -} - -static inline int -dma_mapping_error(struct device *dev, dma_addr_t dma_addr) -{ - return 0; -} extern void __dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir); @@ -66,102 +36,11 @@ _dma_sync(dma_addr_t addr, size_t size, enum dma_data_direction dir) __dma_sync(addr, size, dir); } -static inline dma_addr_t -dma_map_single(struct device *dev, void *ptr, size_t size, - enum dma_data_direction dir) -{ - _dma_sync((dma_addr_t)ptr, size, dir); - return (dma_addr_t) ptr; -} - -static inline dma_addr_t -dma_map_page(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir) -{ - return dma_map_single(dev, page_address(page) + offset, size, dir); -} - -static inline void -dma_unmap_single(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction dir) -{ - BUG_ON(!valid_dma_direction(dir)); -} - -static inline void -dma_unmap_page(struct device *dev, dma_addr_t dma_addr, size_t size, - enum dma_data_direction dir) -{ - dma_unmap_single(dev, dma_addr, size, dir); -} +extern struct dma_map_ops bfin_dma_ops; -extern int dma_map_sg(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir); - -static inline void -dma_unmap_sg(struct device *dev, struct scatterlist *sg, - int nhwentries, enum dma_data_direction dir) +static inline struct dma_map_ops *get_dma_ops(struct device *dev) { - BUG_ON(!valid_dma_direction(dir)); + return &bfin_dma_ops; } -static inline void -dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t handle, - unsigned long offset, size_t size, - enum dma_data_direction dir) -{ - BUG_ON(!valid_dma_direction(dir)); -} - -static inline void -dma_sync_single_range_for_device(struct device *dev, dma_addr_t handle, - unsigned long offset, size_t size, - enum dma_data_direction dir) -{ - _dma_sync(handle + offset, size, dir); -} - -static inline void -dma_sync_single_for_cpu(struct device *dev, dma_addr_t handle, size_t size, - enum dma_data_direction dir) -{ - dma_sync_single_range_for_cpu(dev, handle, 0, size, dir); -} - -static inline void -dma_sync_single_for_device(struct device *dev, dma_addr_t handle, size_t size, - enum dma_data_direction dir) -{ - dma_sync_single_range_for_device(dev, handle, 0, size, dir); -} - -static inline void -dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nents, - enum dma_data_direction dir) -{ - BUG_ON(!valid_dma_direction(dir)); -} - -extern void -dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir); - -static inline void -dma_cache_sync(struct device *dev, void *vaddr, size_t size, - enum dma_data_direction dir) -{ - _dma_sync((dma_addr_t)vaddr, size, dir); -} - -/* drivers/base/dma-mapping.c */ -extern int dma_common_mmap(struct device *dev, struct vm_area_struct *vma, - void *cpu_addr, dma_addr_t dma_addr, size_t size); -extern int dma_common_get_sgtable(struct device *dev, struct sg_table *sgt, - void *cpu_addr, dma_addr_t dma_addr, - size_t size); - -#define dma_mmap_coherent(d, v, c, h, s) dma_common_mmap(d, v, c, h, s) -#define dma_get_sgtable(d, t, v, h, s) dma_common_get_sgtable(d, t, v, h, s) - #endif /* _BLACKFIN_DMA_MAPPING_H */ diff --git a/arch/blackfin/include/asm/uaccess.h b/arch/blackfin/include/asm/uaccess.h index 90612a7f2..12f5d6851 100644 --- a/arch/blackfin/include/asm/uaccess.h +++ b/arch/blackfin/include/asm/uaccess.h @@ -168,12 +168,6 @@ static inline int bad_user_access_length(void) #define __copy_to_user_inatomic __copy_to_user #define __copy_from_user_inatomic __copy_from_user -#define copy_to_user_ret(to, from, n, retval) ({ if (copy_to_user(to, from, n))\ - return retval; }) - -#define copy_from_user_ret(to, from, n, retval) ({ if (copy_from_user(to, from, n))\ - return retval; }) - static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) { -- cgit v1.2.3-54-g00ecf