Blackfin arch: add get_dma_config() func to match set_dma_config()

Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
index 30595bf3ccbd1ff9ff28dbd063b7b6702c28fbcd..e4f7b8043f025335d4acf2f2dc95c37e58d16ca4 100644 (file)
--- a/arch/blackfin/include/asm/dma.h
+++ b/arch/blackfin/include/asm/dma.h
@@ -195,6 +195,10 @@ static inline void *get_dma_curr_desc_ptr(unsigned int channel)
 {
        return dma_ch[channel].regs->curr_desc_ptr;
 }
+static inline unsigned short get_dma_config(unsigned int channel)
+{
+       return dma_ch[channel].regs->cfg;
+}
 static inline unsigned long get_dma_curr_addr(unsigned int channel)
 {
        return dma_ch[channel].regs->curr_addr_ptr;