From f8f6d91d8e65cf5eaaa861eb842f466aab30a9a6 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 28 May 2014 16:26:40 -0700 Subject: [PATCH] staging: comedi: ni_mio_common: remove forward declaration 17 Move the get_last_sample_*() helpers to remove the need for the forward declarations. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/ni_mio_common.c | 84 +++++++++++++------------- 1 file changed, 41 insertions(+), 43 deletions(-) diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 65c20c9..2a592a4 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -274,8 +274,6 @@ static void handle_a_interrupt(struct comedi_device *dev, unsigned short status, unsigned ai_mite_status); static void handle_b_interrupt(struct comedi_device *dev, unsigned short status, unsigned ao_mite_status); -static void get_last_sample_611x(struct comedi_device *dev); -static void get_last_sample_6143(struct comedi_device *dev); static inline void ni_set_bitfield(struct comedi_device *dev, int reg, unsigned bit_mask, unsigned bit_values) @@ -821,6 +819,47 @@ static int ni_ao_wait_for_dma_load(struct comedi_device *dev) } #endif /* PCIDMA */ +static void get_last_sample_611x(struct comedi_device *dev) +{ + const struct ni_board_struct *board = comedi_board(dev); + struct ni_private *devpriv __maybe_unused = dev->private; + struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV]; + unsigned short data; + u32 dl; + + if (board->reg_type != ni_reg_611x) + return; + + /* Check if there's a single sample stuck in the FIFO */ + if (ni_readb(XXX_Status) & 0x80) { + dl = ni_readl(ADC_FIFO_Data_611x); + data = (dl & 0xffff); + cfc_write_to_buffer(s, data); + } +} + +static void get_last_sample_6143(struct comedi_device *dev) +{ + const struct ni_board_struct *board = comedi_board(dev); + struct ni_private *devpriv __maybe_unused = dev->private; + struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV]; + unsigned short data; + u32 dl; + + if (board->reg_type != ni_reg_6143) + return; + + /* Check if there's a single sample stuck in the FIFO */ + if (ni_readl(AIFIFO_Status_6143) & 0x01) { + ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */ + dl = ni_readl(AIFIFO_Data_6143); + + /* This may get the hi/lo data in the wrong order */ + data = (dl >> 16) & 0xffff; + cfc_write_to_buffer(s, data); + } +} + static void shutdown_ai_command(struct comedi_device *dev) { struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV]; @@ -1338,47 +1377,6 @@ static void ni_handle_fifo_dregs(struct comedi_device *dev) } } -static void get_last_sample_611x(struct comedi_device *dev) -{ - const struct ni_board_struct *board = comedi_board(dev); - struct ni_private *devpriv __maybe_unused = dev->private; - struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV]; - unsigned short data; - u32 dl; - - if (board->reg_type != ni_reg_611x) - return; - - /* Check if there's a single sample stuck in the FIFO */ - if (ni_readb(XXX_Status) & 0x80) { - dl = ni_readl(ADC_FIFO_Data_611x); - data = (dl & 0xffff); - cfc_write_to_buffer(s, data); - } -} - -static void get_last_sample_6143(struct comedi_device *dev) -{ - const struct ni_board_struct *board = comedi_board(dev); - struct ni_private *devpriv __maybe_unused = dev->private; - struct comedi_subdevice *s = &dev->subdevices[NI_AI_SUBDEV]; - unsigned short data; - u32 dl; - - if (board->reg_type != ni_reg_6143) - return; - - /* Check if there's a single sample stuck in the FIFO */ - if (ni_readl(AIFIFO_Status_6143) & 0x01) { - ni_writel(0x01, AIFIFO_Control_6143); /* Get stranded sample into FIFO */ - dl = ni_readl(AIFIFO_Data_6143); - - /* This may get the hi/lo data in the wrong order */ - data = (dl >> 16) & 0xffff; - cfc_write_to_buffer(s, data); - } -} - static void ni_ai_munge(struct comedi_device *dev, struct comedi_subdevice *s, void *data, unsigned int num_bytes, unsigned int chan_index) -- 2.7.4