diff options
Diffstat (limited to 'drivers/staging/comedi/drivers/ni_labpc_isadma.h')
| -rw-r--r-- | drivers/staging/comedi/drivers/ni_labpc_isadma.h | 23 |
1 files changed, 4 insertions, 19 deletions
diff --git a/drivers/staging/comedi/drivers/ni_labpc_isadma.h b/drivers/staging/comedi/drivers/ni_labpc_isadma.h index 771af4bd5a76..b8a1b0ee6290 100644 --- a/drivers/staging/comedi/drivers/ni_labpc_isadma.h +++ b/drivers/staging/comedi/drivers/ni_labpc_isadma.h @@ -5,18 +5,9 @@ #ifndef _NI_LABPC_ISADMA_H #define _NI_LABPC_ISADMA_H -#define NI_LABPC_HAVE_ISA_DMA IS_ENABLED(CONFIG_COMEDI_NI_LABPC_ISADMA) +#if IS_ENABLED(CONFIG_COMEDI_NI_LABPC_ISADMA) -#if NI_LABPC_HAVE_ISA_DMA - -static inline bool labpc_have_dma_chan(struct comedi_device *dev) -{ - struct labpc_private *devpriv = dev->private; - - return (bool)devpriv->dma_chan; -} - -int labpc_init_dma_chan(struct comedi_device *dev, unsigned int dma_chan); +void labpc_init_dma_chan(struct comedi_device *dev, unsigned int dma_chan); void labpc_free_dma_chan(struct comedi_device *dev); void labpc_setup_dma(struct comedi_device *dev, struct comedi_subdevice *s); void labpc_drain_dma(struct comedi_device *dev); @@ -24,15 +15,9 @@ void labpc_handle_dma_status(struct comedi_device *dev); #else -static inline bool labpc_have_dma_chan(struct comedi_device *dev) -{ - return false; -} - -static inline int labpc_init_dma_chan(struct comedi_device *dev, - unsigned int dma_chan) +static inline void labpc_init_dma_chan(struct comedi_device *dev, + unsigned int dma_chan) { - return -ENOTSUPP; } static inline void labpc_free_dma_chan(struct comedi_device *dev) |