Make dma_map_single() return the dma address, and remove the pointless volatile.
Signed-off-by: Masahiro Yamada yamada.masahiro@socionext.com ---
Changes in v2: None
arch/arm/include/asm/dma-mapping.h | 5 +++-- arch/nds32/include/asm/dma-mapping.h | 5 +++-- arch/riscv/include/asm/dma-mapping.h | 5 +++-- arch/x86/include/asm/dma-mapping.h | 5 +++-- 4 files changed, 12 insertions(+), 8 deletions(-)
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index d20703739fad..d0895a209666 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -11,6 +11,7 @@ #include <asm/cache.h> #include <cpu_func.h> #include <linux/dma-direction.h> +#include <linux/types.h> #include <malloc.h>
#define dma_mapping_error(x, y) 0 @@ -26,8 +27,8 @@ static inline void dma_free_coherent(void *addr) free(addr); }
-static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, - enum dma_data_direction dir) +static inline dma_addr_t dma_map_single(void *vaddr, size_t len, + enum dma_data_direction dir) { unsigned long addr = (unsigned long)vaddr;
diff --git a/arch/nds32/include/asm/dma-mapping.h b/arch/nds32/include/asm/dma-mapping.h index c8876ceadda6..9387dec34768 100644 --- a/arch/nds32/include/asm/dma-mapping.h +++ b/arch/nds32/include/asm/dma-mapping.h @@ -10,6 +10,7 @@ #include <asm/cache.h> #include <cpu_func.h> #include <linux/dma-direction.h> +#include <linux/types.h> #include <malloc.h>
static void *dma_alloc_coherent(size_t len, unsigned long *handle) @@ -18,8 +19,8 @@ static void *dma_alloc_coherent(size_t len, unsigned long *handle) return (void *)*handle; }
-static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, - enum dma_data_direction dir) +static inline dma_addr_t dma_map_single(void *vaddr, size_t len, + enum dma_data_direction dir) { unsigned long addr = (unsigned long)vaddr;
diff --git a/arch/riscv/include/asm/dma-mapping.h b/arch/riscv/include/asm/dma-mapping.h index 6cc39469590a..eac56f8fbdfa 100644 --- a/arch/riscv/include/asm/dma-mapping.h +++ b/arch/riscv/include/asm/dma-mapping.h @@ -10,6 +10,7 @@ #define __ASM_RISCV_DMA_MAPPING_H
#include <common.h> +#include <linux/types.h> #include <asm/cache.h> #include <cpu_func.h> #include <linux/dma-direction.h> @@ -28,8 +29,8 @@ static inline void dma_free_coherent(void *addr) free(addr); }
-static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, - enum dma_data_direction dir) +static inline dma_addr_t dma_map_single(void *vaddr, size_t len, + enum dma_data_direction dir) { unsigned long addr = (unsigned long)vaddr;
diff --git a/arch/x86/include/asm/dma-mapping.h b/arch/x86/include/asm/dma-mapping.h index 900b99b8a69a..7e205e3313ac 100644 --- a/arch/x86/include/asm/dma-mapping.h +++ b/arch/x86/include/asm/dma-mapping.h @@ -11,6 +11,7 @@ #include <asm/cache.h> #include <cpu_func.h> #include <linux/dma-direction.h> +#include <linux/types.h> #include <malloc.h>
#define dma_mapping_error(x, y) 0 @@ -26,8 +27,8 @@ static inline void dma_free_coherent(void *addr) free(addr); }
-static inline unsigned long dma_map_single(volatile void *vaddr, size_t len, - enum dma_data_direction dir) +static inline dma_addr_t dma_map_single(void *vaddr, size_t len, + enum dma_data_direction dir) { unsigned long addr = (unsigned long)vaddr;