diff options
Diffstat (limited to 'kernel/dma.c')
| -rw-r--r-- | kernel/dma.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/kernel/dma.c b/kernel/dma.c index d45f7e5c76e8..7ad7fbf83a83 100644 --- a/kernel/dma.c +++ b/kernel/dma.c @@ -98,6 +98,22 @@ void free_dma(unsigned int dmanr) } /* free_dma */ +#else + +int request_dma(unsigned int dmanr, const char *device_id) +{ + return -EINVAL; +} + +void free_dma(unsigned int dmanr) +{ +} + +#endif + +#ifdef CONFIG_PROC_FS + +#ifdef MAX_DMA_CHANNELS static int proc_dma_show(struct seq_file *m, void *v) { int i; @@ -110,27 +126,14 @@ static int proc_dma_show(struct seq_file *m, void *v) } return 0; } - #else - -int request_dma(unsigned int dmanr, const char *device_id) -{ - return -EINVAL; -} - -void free_dma(unsigned int dmanr) -{ -} - static int proc_dma_show(struct seq_file *m, void *v) { seq_puts(m, "No DMA\n"); return 0; } +#endif /* MAX_DMA_CHANNELS */ -#endif - -#ifdef CONFIG_PROC_FS static int proc_dma_open(struct inode *inode, struct file *file) { char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL); |