diff options
Diffstat (limited to 'arch/x86/include/asm/dma.h')
| -rw-r--r-- | arch/x86/include/asm/dma.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/x86/include/asm/dma.h b/arch/x86/include/asm/dma.h index ca1098a7e58..97b6d8114a4 100644 --- a/arch/x86/include/asm/dma.h +++ b/arch/x86/include/asm/dma.h @@ -151,6 +151,7 @@ #define DMA_AUTOINIT 0x10 +#ifdef CONFIG_ISA_DMA_API extern spinlock_t dma_spin_lock; static inline unsigned long claim_dma_lock(void) @@ -164,6 +165,7 @@ static inline void release_dma_lock(unsigned long flags) { spin_unlock_irqrestore(&dma_spin_lock, flags); } +#endif /* CONFIG_ISA_DMA_API */ /* enable/disable a specific DMA channel */ static inline void enable_dma(unsigned int dmanr) @@ -303,9 +305,11 @@ static inline int get_dma_residue(unsigned int dmanr) } -/* These are in kernel/dma.c: */ +/* These are in kernel/dma.c because x86 uses CONFIG_GENERIC_ISA_DMA */ +#ifdef CONFIG_ISA_DMA_API extern int request_dma(unsigned int dmanr, const char *device_id); extern void free_dma(unsigned int dmanr); +#endif /* From PCI */ |