diff options
Diffstat (limited to 'arch/blackfin')
| -rw-r--r-- | arch/blackfin/kernel/bfin_dma_5xx.c | 16 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf561/include/mach/dma.h | 3 |
2 files changed, 8 insertions, 11 deletions
diff --git a/arch/blackfin/kernel/bfin_dma_5xx.c b/arch/blackfin/kernel/bfin_dma_5xx.c index 1882fd82879b..36f78c1648b9 100644 --- a/arch/blackfin/kernel/bfin_dma_5xx.c +++ b/arch/blackfin/kernel/bfin_dma_5xx.c @@ -411,15 +411,14 @@ unsigned long get_dma_curr_addr(unsigned int channel) EXPORT_SYMBOL(get_dma_curr_addr); #ifdef CONFIG_PM +# ifndef MAX_DMA_SUSPEND_CHANNELS +# define MAX_DMA_SUSPEND_CHANNELS MAX_DMA_CHANNELS +# endif int blackfin_dma_suspend(void) { int i; -#ifdef CONFIG_BF561 /* IMDMA channels doesn't have a PERIPHERAL_MAP */ - for (i = 0; i <= CH_MEM_STREAM3_SRC; i++) { -#else - for (i = 0; i < MAX_DMA_CHANNELS; i++) { -#endif + for (i = 0; i < MAX_DMA_SUSPEND_CHANNELS; ++i) { if (dma_ch[i].chan_status == DMA_CHANNEL_ENABLED) { printk(KERN_ERR "DMA Channel %d failed to suspend\n", i); return -EBUSY; @@ -434,12 +433,7 @@ int blackfin_dma_suspend(void) void blackfin_dma_resume(void) { int i; - -#ifdef CONFIG_BF561 /* IMDMA channels doesn't have a PERIPHERAL_MAP */ - for (i = 0; i <= CH_MEM_STREAM3_SRC; i++) -#else - for (i = 0; i < MAX_DMA_CHANNELS; i++) -#endif + for (i = 0; i < MAX_DMA_SUSPEND_CHANNELS; ++i) dma_ch[i].regs->peripheral_map = dma_ch[i].saved_peripheral_map; } #endif diff --git a/arch/blackfin/mach-bf561/include/mach/dma.h b/arch/blackfin/mach-bf561/include/mach/dma.h index 2597a09a012c..13647c71f1c7 100644 --- a/arch/blackfin/mach-bf561/include/mach/dma.h +++ b/arch/blackfin/mach-bf561/include/mach/dma.h @@ -10,6 +10,9 @@ #define MAX_DMA_CHANNELS 36 +/* [#4267] IMDMA channels have no PERIPHERAL_MAP MMR */ +#define MAX_DMA_SUSPEND_CHANNELS 32 + #define CH_PPI0 0 #define CH_PPI (CH_PPI0) #define CH_PPI1 1 |