diff options
Diffstat (limited to 'arch/m68k/include/asm/dvma.h')
| -rw-r--r-- | arch/m68k/include/asm/dvma.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/m68k/include/asm/dvma.h b/arch/m68k/include/asm/dvma.h index 890bbf7e7758..d1d66d04844d 100644 --- a/arch/m68k/include/asm/dvma.h +++ b/arch/m68k/include/asm/dvma.h @@ -1,3 +1,4 @@ +/* SPDX-License-Identifier: GPL-2.0 */ /* * include/asm-m68k/dma.h * @@ -57,12 +58,16 @@ extern void dvma_free(void *vaddr); #define dvma_vtob(x) dvma_vtop(x) #define dvma_btov(x) dvma_ptov(x) +void sun3_dvma_init(void); + static inline int dvma_map_cpu(unsigned long kaddr, unsigned long vaddr, int len) { return 0; } +static inline void dvma_unmap_iommu(unsigned long baddr, int len) { } + #else /* Sun3x */ /* sun3x dvma page support */ @@ -77,9 +82,11 @@ static inline int dvma_map_cpu(unsigned long kaddr, unsigned long vaddr, #define dvma_vtob(x) ((unsigned long)(x) & 0x00ffffff) #define dvma_btov(x) ((unsigned long)(x) | 0xff000000) -extern int dvma_map_cpu(unsigned long kaddr, unsigned long vaddr, int len); +static inline void sun3_dvma_init(void) { } +int dvma_map_cpu(unsigned long kaddr, unsigned long vaddr, int len); +void dvma_unmap_iommu(unsigned long baddr, int len); /* everything below this line is specific to dma used for the onboard ESP scsi on sun3x */ |