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Diffstat (limited to 'arch/m68k/include/asm/dvma.h')
-rw-r--r--arch/m68k/include/asm/dvma.h9
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 */