dmaengine_device_control returns -ENOSYS in case the dma driver doesn't have such functionality.
Signed-off-by: Andy Shevchenko <[email protected]> --- include/linux/dmaengine.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index bfcdecb..b760b38 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -610,8 +610,7 @@ static inline int dmaengine_device_control(struct dma_chan *chan, { if (chan->device->device_control) return chan->device->device_control(chan, cmd, arg); - else - return -ENOSYS; + return -ENOSYS; } static inline int dmaengine_slave_config(struct dma_chan *chan, -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
