hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

ARM: dma: implement set_arch_dma_coherent_ops() 

Implement the set_arch_dma_coherent_ops() for ARM architecture.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
This commit is contained in:
Santosh Shilimkar 2014-04-24 11:30:06 -04:00
parent 6ce0d20016
commit 812b99e4b0
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
arch/arm/include/asm/dma-mapping.h
View File

@ -121,6 +121,13 @@ static inline unsigned long dma_max_pfn(struct device *dev)
} }
#define dma_max_pfn(dev) dma_max_pfn(dev) #define dma_max_pfn(dev) dma_max_pfn(dev)
static inline int set_arch_dma_coherent_ops(struct device *dev)
{
set_dma_ops(dev, &arm_coherent_dma_ops);
return 0;
}
#define set_arch_dma_coherent_ops(dev) set_arch_dma_coherent_ops(dev)
static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr) static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
{ {
unsigned int offset = paddr & ~PAGE_MASK; unsigned int offset = paddr & ~PAGE_MASK;