From 52762ad12aa545000978382b13d64382d284e671 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Thu, 18 Jun 2015 10:54:53 -0700 Subject: [PATCH] staging: comedi: cb_pcidas64: rename 'thisboard' variables For aesthetics, rename the 'thisboard' variables to 'board'. That name is more commonly used for the boardinfo pointer in comedi drivers. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/cb_pcidas64.c | 218 +++++++++++++-------------- 1 file changed, 108 insertions(+), 110 deletions(-) diff --git a/drivers/staging/comedi/drivers/cb_pcidas64.c b/drivers/staging/comedi/drivers/cb_pcidas64.c index 3d646c1..d33b8fe 100644 --- a/drivers/staging/comedi/drivers/cb_pcidas64.c +++ b/drivers/staging/comedi/drivers/cb_pcidas64.c @@ -1106,10 +1106,10 @@ static const struct pcidas64_board pcidas64_boards[] = { static inline unsigned short se_diff_bit_6xxx(struct comedi_device *dev, int use_differential) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; - if ((thisboard->layout == LAYOUT_64XX && !use_differential) || - (thisboard->layout == LAYOUT_60XX && use_differential)) + if ((board->layout == LAYOUT_64XX && !use_differential) || + (board->layout == LAYOUT_60XX && use_differential)) return ADC_SE_DIFF_BIT; return 0; @@ -1182,17 +1182,17 @@ struct pcidas64_private { static unsigned int ai_range_bits_6xxx(const struct comedi_device *dev, unsigned int range_index) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; - return thisboard->ai_range_code[range_index] << 8; + return board->ai_range_code[range_index] << 8; } static unsigned int hw_revision(const struct comedi_device *dev, uint16_t hw_status_bits) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) return (hw_status_bits >> 13) & 0x7; return (hw_status_bits >> 12) & 0xf; @@ -1202,8 +1202,8 @@ static void set_dac_range_bits(struct comedi_device *dev, uint16_t *bits, unsigned int channel, unsigned int range) { - const struct pcidas64_board *thisboard = dev->board_ptr; - unsigned int code = thisboard->ao_range_code[range]; + const struct pcidas64_board *board = dev->board_ptr; + unsigned int code = board->ao_range_code[range]; if (channel > 1) dev_err(dev->class_dev, "bug! bad channel?\n"); @@ -1259,7 +1259,7 @@ static void disable_ai_interrupts(struct comedi_device *dev) static void enable_ai_interrupts(struct comedi_device *dev, const struct comedi_cmd *cmd) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; uint32_t bits; unsigned long flags; @@ -1272,7 +1272,7 @@ static void enable_ai_interrupts(struct comedi_device *dev, */ if (cmd->flags & CMDF_WAKE_EOS) { /* 4020 doesn't support pio transfers except for fifo dregs */ - if (thisboard->layout != LAYOUT_4020) + if (board->layout != LAYOUT_4020) bits |= ADC_INTR_EOSCAN_BITS | EN_ADC_INTR_SRC_BIT; } spin_lock_irqsave(&dev->spinlock, flags); @@ -1285,7 +1285,7 @@ static void enable_ai_interrupts(struct comedi_device *dev, /* initialize plx9080 chip */ static void init_plx9080(struct comedi_device *dev) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; uint32_t bits; void __iomem *plx_iobase = devpriv->plx9080_iobase; @@ -1326,12 +1326,12 @@ static void init_plx9080(struct comedi_device *dev) /* enable local burst mode */ bits |= PLX_DMA_LOCAL_BURST_EN_BIT; /* 4020 uses 32 bit dma */ - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) bits |= PLX_LOCAL_BUS_32_WIDE_BITS; else /* localspace0 bus is 16 bits wide */ bits |= PLX_LOCAL_BUS_16_WIDE_BITS; writel(bits, plx_iobase + PLX_DMA1_MODE_REG); - if (ao_cmd_is_supported(thisboard)) + if (ao_cmd_is_supported(board)) writel(bits, plx_iobase + PLX_DMA0_MODE_REG); /* enable interrupts on plx 9080 */ @@ -1363,10 +1363,10 @@ static void disable_ai_pacing(struct comedi_device *dev) static int set_ai_fifo_segment_length(struct comedi_device *dev, unsigned int num_entries) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; static const int increment_size = 0x100; - const struct hw_fifo_info *const fifo = thisboard->ai_fifo; + const struct hw_fifo_info *const fifo = board->ai_fifo; unsigned int num_increments; uint16_t bits; @@ -1394,10 +1394,10 @@ static int set_ai_fifo_segment_length(struct comedi_device *dev, */ static int set_ai_fifo_size(struct comedi_device *dev, unsigned int num_samples) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; unsigned int num_fifo_entries; int retval; - const struct hw_fifo_info *const fifo = thisboard->ai_fifo; + const struct hw_fifo_info *const fifo = board->ai_fifo; num_fifo_entries = num_samples / fifo->sample_packing_ratio; @@ -1415,17 +1415,17 @@ static int set_ai_fifo_size(struct comedi_device *dev, unsigned int num_samples) /* query length of fifo */ static unsigned int ai_fifo_size(struct comedi_device *dev) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; return devpriv->ai_fifo_segment_length * - thisboard->ai_fifo->num_segments * - thisboard->ai_fifo->sample_packing_ratio; + board->ai_fifo->num_segments * + board->ai_fifo->sample_packing_ratio; } static void init_stc_registers(struct comedi_device *dev) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; uint16_t bits; unsigned long flags; @@ -1445,7 +1445,7 @@ static void init_stc_registers(struct comedi_device *dev) writew(0xff, devpriv->main_iobase + ADC_SAMPLE_INTERVAL_UPPER_REG); bits = SLOW_DAC_BIT | DMA_CH_SELECT_BIT; - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) bits |= INTERNAL_CLOCK_4020_BITS; devpriv->hw_config_bits |= bits; writew(devpriv->hw_config_bits, @@ -1458,8 +1458,7 @@ static void init_stc_registers(struct comedi_device *dev) /* set fifos to maximum size */ devpriv->fifo_size_bits |= DAC_FIFO_BITS; - set_ai_fifo_segment_length(dev, - thisboard->ai_fifo->max_segment_length); + set_ai_fifo_segment_length(dev, board->ai_fifo->max_segment_length); devpriv->dac_control1_bits = DAC_OUTPUT_ENABLE_BIT; devpriv->intr_enable_bits = @@ -1473,13 +1472,13 @@ static void init_stc_registers(struct comedi_device *dev) static int alloc_and_init_dma_members(struct comedi_device *dev) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pci_dev *pcidev = comedi_to_pci_dev(dev); struct pcidas64_private *devpriv = dev->private; int i; /* allocate pci dma buffers */ - for (i = 0; i < ai_dma_ring_count(thisboard); i++) { + for (i = 0; i < ai_dma_ring_count(board); i++) { devpriv->ai_buffer[i] = pci_alloc_consistent(pcidev, DMA_BUFFER_SIZE, &devpriv->ai_buffer_bus_addr[i]); @@ -1487,7 +1486,7 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) return -ENOMEM; } for (i = 0; i < AO_DMA_RING_COUNT; i++) { - if (ao_cmd_is_supported(thisboard)) { + if (ao_cmd_is_supported(board)) { devpriv->ao_buffer[i] = pci_alloc_consistent(pcidev, DMA_BUFFER_SIZE, &devpriv-> @@ -1499,12 +1498,12 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) /* allocate dma descriptors */ devpriv->ai_dma_desc = pci_alloc_consistent(pcidev, sizeof(struct plx_dma_desc) * - ai_dma_ring_count(thisboard), + ai_dma_ring_count(board), &devpriv->ai_dma_desc_bus_addr); if (!devpriv->ai_dma_desc) return -ENOMEM; - if (ao_cmd_is_supported(thisboard)) { + if (ao_cmd_is_supported(board)) { devpriv->ao_dma_desc = pci_alloc_consistent(pcidev, sizeof(struct plx_dma_desc) * @@ -1514,10 +1513,10 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) return -ENOMEM; } /* initialize dma descriptors */ - for (i = 0; i < ai_dma_ring_count(thisboard); i++) { + for (i = 0; i < ai_dma_ring_count(board); i++) { devpriv->ai_dma_desc[i].pci_start_addr = cpu_to_le32(devpriv->ai_buffer_bus_addr[i]); - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) devpriv->ai_dma_desc[i].local_start_addr = cpu_to_le32(devpriv->local1_iobase + ADC_FIFO_REG); @@ -1528,12 +1527,12 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) devpriv->ai_dma_desc[i].transfer_size = cpu_to_le32(0); devpriv->ai_dma_desc[i].next = cpu_to_le32((devpriv->ai_dma_desc_bus_addr + - ((i + 1) % ai_dma_ring_count(thisboard)) * + ((i + 1) % ai_dma_ring_count(board)) * sizeof(devpriv->ai_dma_desc[0])) | PLX_DESC_IN_PCI_BIT | PLX_INTR_TERM_COUNT | PLX_XFER_LOCAL_TO_PCI); } - if (ao_cmd_is_supported(thisboard)) { + if (ao_cmd_is_supported(board)) { for (i = 0; i < AO_DMA_RING_COUNT; i++) { devpriv->ao_dma_desc[i].pci_start_addr = cpu_to_le32(devpriv->ao_buffer_bus_addr[i]); @@ -1554,7 +1553,7 @@ static int alloc_and_init_dma_members(struct comedi_device *dev) static void cb_pcidas64_free_dma(struct comedi_device *dev) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pci_dev *pcidev = comedi_to_pci_dev(dev); struct pcidas64_private *devpriv = dev->private; int i; @@ -1563,7 +1562,7 @@ static void cb_pcidas64_free_dma(struct comedi_device *dev) return; /* free pci dma buffers */ - for (i = 0; i < ai_dma_ring_count(thisboard); i++) { + for (i = 0; i < ai_dma_ring_count(board); i++) { if (devpriv->ai_buffer[i]) pci_free_consistent(pcidev, DMA_BUFFER_SIZE, @@ -1581,7 +1580,7 @@ static void cb_pcidas64_free_dma(struct comedi_device *dev) if (devpriv->ai_dma_desc) pci_free_consistent(pcidev, sizeof(struct plx_dma_desc) * - ai_dma_ring_count(thisboard), + ai_dma_ring_count(board), devpriv->ai_dma_desc, devpriv->ai_dma_desc_bus_addr); if (devpriv->ao_dma_desc) @@ -1736,12 +1735,12 @@ static int cb_pcidas64_ai_eoc(struct comedi_device *dev, struct comedi_insn *insn, unsigned long context) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; unsigned int status; status = readw(devpriv->main_iobase + HW_STATUS_REG); - if (thisboard->layout == LAYOUT_4020) { + if (board->layout == LAYOUT_4020) { status = readw(devpriv->main_iobase + ADC_WRITE_PNTR_REG); if (status) return 0; @@ -1755,7 +1754,7 @@ static int cb_pcidas64_ai_eoc(struct comedi_device *dev, static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; unsigned int bits = 0, n; unsigned int channel, range, aref; @@ -1779,7 +1778,7 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, devpriv->main_iobase + ADC_CONTROL1_REG); spin_unlock_irqrestore(&dev->spinlock, flags); - if (thisboard->layout != LAYOUT_4020) { + if (board->layout != LAYOUT_4020) { /* use internal queue */ devpriv->hw_config_bits &= ~EXT_QUEUE_BIT; writew(devpriv->hw_config_bits, @@ -1789,7 +1788,7 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, if (insn->chanspec & CR_ALT_SOURCE) { unsigned int cal_en_bit; - if (thisboard->layout == LAYOUT_60XX) + if (board->layout == LAYOUT_60XX) cal_en_bit = CAL_EN_60XX_BIT; else cal_en_bit = CAL_EN_64XX_BIT; @@ -1870,7 +1869,7 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, if (ret) return ret; - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) data[n] = readl(dev->mmio + ADC_FIFO_REG) & 0xffff; else data[n] = readw(devpriv->main_iobase + PIPE1_READ_REG); @@ -1882,12 +1881,12 @@ static int ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s, static int ai_config_calibration_source(struct comedi_device *dev, unsigned int *data) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; unsigned int source = data[1]; int num_calibration_sources; - if (thisboard->layout == LAYOUT_60XX) + if (board->layout == LAYOUT_60XX) num_calibration_sources = 16; else num_calibration_sources = 8; @@ -1904,9 +1903,9 @@ static int ai_config_calibration_source(struct comedi_device *dev, static int ai_config_block_size(struct comedi_device *dev, unsigned int *data) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; int fifo_size; - const struct hw_fifo_info *const fifo = thisboard->ai_fifo; + const struct hw_fifo_info *const fifo = board->ai_fifo; unsigned int block_size, requested_block_size; int retval; @@ -1957,9 +1956,9 @@ static int ai_config_master_clock_4020(struct comedi_device *dev, /* XXX could add support for 60xx series */ static int ai_config_master_clock(struct comedi_device *dev, unsigned int *data) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; - switch (thisboard->layout) { + switch (board->layout) { case LAYOUT_4020: return ai_config_master_clock_4020(dev, data); default: @@ -2019,7 +2018,7 @@ static unsigned int get_divisor(unsigned int ns, unsigned int flags) */ static void check_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; unsigned long long convert_divisor = 0; unsigned int scan_divisor; static const int min_convert_divisor = 3; @@ -2029,7 +2028,7 @@ static void check_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd) unsigned long long max_scan_divisor, min_scan_divisor; if (cmd->convert_src == TRIG_TIMER) { - if (thisboard->layout == LAYOUT_4020) { + if (board->layout == LAYOUT_4020) { cmd->convert_arg = 0; } else { convert_divisor = get_divisor(cmd->convert_arg, @@ -2106,7 +2105,7 @@ static int cb_pcidas64_ai_check_chanlist(struct comedi_device *dev, static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; int err = 0; unsigned int tmp_arg, tmp_arg2; unsigned int triggers; @@ -2116,14 +2115,14 @@ static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, err |= comedi_check_trigger_src(&cmd->start_src, TRIG_NOW | TRIG_EXT); triggers = TRIG_TIMER; - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) triggers |= TRIG_OTHER; else triggers |= TRIG_FOLLOW; err |= comedi_check_trigger_src(&cmd->scan_begin_src, triggers); triggers = TRIG_TIMER; - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) triggers |= TRIG_NOW; else triggers |= TRIG_EXT; @@ -2165,13 +2164,12 @@ static int ai_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, } if (cmd->convert_src == TRIG_TIMER) { - if (thisboard->layout == LAYOUT_4020) { + if (board->layout == LAYOUT_4020) { err |= comedi_check_trigger_arg_is(&cmd->convert_arg, 0); } else { err |= comedi_check_trigger_arg_min(&cmd->convert_arg, - thisboard-> - ai_speed); + board->ai_speed); /* * if scans are timed faster than conversion rate * allows @@ -2259,12 +2257,12 @@ static void setup_sample_counters(struct comedi_device *dev, static inline unsigned int dma_transfer_size(struct comedi_device *dev) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; unsigned int num_samples; num_samples = devpriv->ai_fifo_segment_length * - thisboard->ai_fifo->sample_packing_ratio; + board->ai_fifo->sample_packing_ratio; if (num_samples > DMA_BUFFER_SIZE / sizeof(uint16_t)) num_samples = DMA_BUFFER_SIZE / sizeof(uint16_t); @@ -2346,9 +2344,9 @@ static void select_master_clock_4020(struct comedi_device *dev, static void select_master_clock(struct comedi_device *dev, const struct comedi_cmd *cmd) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; - switch (thisboard->layout) { + switch (board->layout) { case LAYOUT_4020: select_master_clock_4020(dev, cmd); break; @@ -2378,7 +2376,7 @@ static inline void dma_start_sync(struct comedi_device *dev, static void set_ai_pacing(struct comedi_device *dev, struct comedi_cmd *cmd) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; uint32_t convert_counter = 0, scan_counter = 0; @@ -2386,7 +2384,7 @@ static void set_ai_pacing(struct comedi_device *dev, struct comedi_cmd *cmd) select_master_clock(dev, cmd); - if (thisboard->layout == LAYOUT_4020) { + if (board->layout == LAYOUT_4020) { convert_counter = ai_convert_counter_4020(dev, cmd); } else { convert_counter = ai_convert_counter_6xxx(dev, cmd); @@ -2427,12 +2425,12 @@ static int use_internal_queue_6xxx(const struct comedi_cmd *cmd) static int setup_channel_queue(struct comedi_device *dev, const struct comedi_cmd *cmd) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; unsigned short bits; int i; - if (thisboard->layout != LAYOUT_4020) { + if (board->layout != LAYOUT_4020) { if (use_internal_queue_6xxx(cmd)) { devpriv->hw_config_bits &= ~EXT_QUEUE_BIT; writew(devpriv->hw_config_bits, @@ -2570,7 +2568,7 @@ static inline void load_first_dma_descriptor(struct comedi_device *dev, static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; struct comedi_async *async = s->async; struct comedi_cmd *cmd = &async->cmd; @@ -2599,7 +2597,7 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) /* set mode, allow conversions through software gate */ devpriv->adc_control1_bits |= ADC_SW_GATE_BIT; devpriv->adc_control1_bits &= ~ADC_DITHER_BIT; - if (thisboard->layout != LAYOUT_4020) { + if (board->layout != LAYOUT_4020) { devpriv->adc_control1_bits &= ~ADC_MODE_MASK; if (cmd->convert_src == TRIG_EXT) /* good old mode 13 */ @@ -2629,11 +2627,11 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) writew(0, devpriv->main_iobase + ADC_BUFFER_CLEAR_REG); if ((cmd->flags & CMDF_WAKE_EOS) == 0 || - thisboard->layout == LAYOUT_4020) { + board->layout == LAYOUT_4020) { devpriv->ai_dma_index = 0; /* set dma transfer size */ - for (i = 0; i < ai_dma_ring_count(thisboard); i++) + for (i = 0; i < ai_dma_ring_count(board); i++) devpriv->ai_dma_desc[i].transfer_size = cpu_to_le32(dma_transfer_size(dev) * sizeof(uint16_t)); @@ -2648,7 +2646,7 @@ static int ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) dma_start_sync(dev, 1); } - if (thisboard->layout == LAYOUT_4020) { + if (board->layout == LAYOUT_4020) { /* set source for external triggers */ bits = 0; if (cmd->start_src == TRIG_EXT && CR_CHAN(cmd->start_arg)) @@ -2783,9 +2781,9 @@ static void pio_drain_ai_fifo_32(struct comedi_device *dev) /* empty fifo */ static void pio_drain_ai_fifo(struct comedi_device *dev) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) pio_drain_ai_fifo_32(dev); else pio_drain_ai_fifo_16(dev); @@ -2793,7 +2791,7 @@ static void pio_drain_ai_fifo(struct comedi_device *dev) static void drain_dma_buffers(struct comedi_device *dev, unsigned int channel) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; struct comedi_subdevice *s = dev->read_subdev; uint32_t next_transfer_addr; @@ -2814,14 +2812,14 @@ static void drain_dma_buffers(struct comedi_device *dev, unsigned int channel) devpriv->ai_buffer_bus_addr[devpriv->ai_dma_index] || next_transfer_addr >= devpriv->ai_buffer_bus_addr[devpriv->ai_dma_index] + - DMA_BUFFER_SIZE) && j < ai_dma_ring_count(thisboard); j++) { + DMA_BUFFER_SIZE) && j < ai_dma_ring_count(board); j++) { /* transfer data from dma buffer to comedi buffer */ num_samples = comedi_nsamples_left(s, dma_transfer_size(dev)); comedi_buf_write_samples(s, devpriv->ai_buffer[devpriv->ai_dma_index], num_samples); devpriv->ai_dma_index = (devpriv->ai_dma_index + 1) % - ai_dma_ring_count(thisboard); + ai_dma_ring_count(board); } /* * XXX check for dma ring buffer overrun @@ -2833,7 +2831,7 @@ static void handle_ai_interrupt(struct comedi_device *dev, unsigned short status, unsigned int plx_status) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; struct comedi_subdevice *s = dev->read_subdev; struct comedi_async *async = s->async; @@ -2862,7 +2860,7 @@ static void handle_ai_interrupt(struct comedi_device *dev, if ((status & ADC_DONE_BIT) || ((cmd->flags & CMDF_WAKE_EOS) && (status & ADC_INTR_PENDING_BIT) && - (thisboard->layout != LAYOUT_4020))) { + (board->layout != LAYOUT_4020))) { spin_lock_irqsave(&dev->spinlock, flags); if (devpriv->ai_cmd_running) { spin_unlock_irqrestore(&dev->spinlock, flags); @@ -3113,7 +3111,7 @@ static int ai_cancel(struct comedi_device *dev, struct comedi_subdevice *s) static int ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; int chan = CR_CHAN(insn->chanspec); int range = CR_RANGE(insn->chanspec); @@ -3127,7 +3125,7 @@ static int ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s, devpriv->main_iobase + DAC_CONTROL1_REG); /* write to channel */ - if (thisboard->layout == LAYOUT_4020) { + if (board->layout == LAYOUT_4020) { writew(data[0] & 0xff, devpriv->main_iobase + dac_lsb_4020_reg(chan)); writew((data[0] >> 8) & 0xf, @@ -3270,11 +3268,11 @@ static inline int external_ai_queue_in_use(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; if (s->busy) return 0; - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) return 0; else if (use_internal_queue_6xxx(cmd)) return 0; @@ -3353,7 +3351,7 @@ static int cb_pcidas64_ao_check_chanlist(struct comedi_device *dev, static int ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_cmd *cmd) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; int err = 0; unsigned int tmp_arg; @@ -3391,7 +3389,7 @@ static int ao_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s, if (cmd->scan_begin_src == TRIG_TIMER) { err |= comedi_check_trigger_arg_min(&cmd->scan_begin_arg, - thisboard->ao_scan_speed); + board->ao_scan_speed); if (get_ao_divisor(cmd->scan_begin_arg, cmd->flags) > max_counter_value) { cmd->scan_begin_arg = (max_counter_value + 2) * @@ -3624,9 +3622,9 @@ static int caldac_i2c_write(struct comedi_device *dev, static void caldac_write(struct comedi_device *dev, unsigned int channel, unsigned int value) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; - switch (thisboard->layout) { + switch (board->layout) { case LAYOUT_60XX: case LAYOUT_64XX: caldac_8800_write(dev, channel, value); @@ -3792,7 +3790,7 @@ static int eeprom_read_insn(struct comedi_device *dev, */ static int setup_subdevices(struct comedi_device *dev) { - const struct pcidas64_board *thisboard = dev->board_ptr; + const struct pcidas64_board *board = dev->board_ptr; struct pcidas64_private *devpriv = dev->private; struct comedi_subdevice *s; int i; @@ -3807,21 +3805,21 @@ static int setup_subdevices(struct comedi_device *dev) dev->read_subdev = s; s->type = COMEDI_SUBD_AI; s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_DITHER | SDF_CMD_READ; - if (thisboard->layout == LAYOUT_60XX) + if (board->layout == LAYOUT_60XX) s->subdev_flags |= SDF_COMMON | SDF_DIFF; - else if (thisboard->layout == LAYOUT_64XX) + else if (board->layout == LAYOUT_64XX) s->subdev_flags |= SDF_DIFF; /* XXX Number of inputs in differential mode is ignored */ - s->n_chan = thisboard->ai_se_chans; + s->n_chan = board->ai_se_chans; s->len_chanlist = 0x2000; - s->maxdata = (1 << thisboard->ai_bits) - 1; - s->range_table = thisboard->ai_range_table; + s->maxdata = (1 << board->ai_bits) - 1; + s->range_table = board->ai_range_table; s->insn_read = ai_rinsn; s->insn_config = ai_config_insn; s->do_cmd = ai_cmd; s->do_cmdtest = ai_cmdtest; s->cancel = ai_cancel; - if (thisboard->layout == LAYOUT_4020) { + if (board->layout == LAYOUT_4020) { uint8_t data; /* * set adc to read from inputs @@ -3837,24 +3835,24 @@ static int setup_subdevices(struct comedi_device *dev) /* analog output subdevice */ s = &dev->subdevices[1]; - if (thisboard->ao_nchan) { + if (board->ao_nchan) { s->type = COMEDI_SUBD_AO; s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_GROUND | SDF_CMD_WRITE; - s->n_chan = thisboard->ao_nchan; - s->maxdata = (1 << thisboard->ao_bits) - 1; - s->range_table = thisboard->ao_range_table; + s->n_chan = board->ao_nchan; + s->maxdata = (1 << board->ao_bits) - 1; + s->range_table = board->ao_range_table; s->insn_write = ao_winsn; ret = comedi_alloc_subdev_readback(s); if (ret) return ret; - if (ao_cmd_is_supported(thisboard)) { + if (ao_cmd_is_supported(board)) { dev->write_subdev = s; s->do_cmdtest = ao_cmdtest; s->do_cmd = ao_cmd; - s->len_chanlist = thisboard->ao_nchan; + s->len_chanlist = board->ao_nchan; s->cancel = ao_cancel; } } else { @@ -3863,7 +3861,7 @@ static int setup_subdevices(struct comedi_device *dev) /* digital input */ s = &dev->subdevices[2]; - if (thisboard->layout == LAYOUT_64XX) { + if (board->layout == LAYOUT_64XX) { s->type = COMEDI_SUBD_DI; s->subdev_flags = SDF_READABLE; s->n_chan = 4; @@ -3875,7 +3873,7 @@ static int setup_subdevices(struct comedi_device *dev) } /* digital output */ - if (thisboard->layout == LAYOUT_64XX) { + if (board->layout == LAYOUT_64XX) { s = &dev->subdevices[3]; s->type = COMEDI_SUBD_DO; s->subdev_flags = SDF_WRITABLE; @@ -3889,8 +3887,8 @@ static int setup_subdevices(struct comedi_device *dev) /* 8255 */ s = &dev->subdevices[4]; - if (thisboard->has_8255) { - if (thisboard->layout == LAYOUT_4020) { + if (board->has_8255) { + if (board->layout == LAYOUT_4020) { ret = subdev_8255_init(dev, s, dio_callback_4020, I8255_4020_REG); } else { @@ -3905,7 +3903,7 @@ static int setup_subdevices(struct comedi_device *dev) /* 8 channel dio for 60xx */ s = &dev->subdevices[5]; - if (thisboard->layout == LAYOUT_60XX) { + if (board->layout == LAYOUT_60XX) { s->type = COMEDI_SUBD_DIO; s->subdev_flags = SDF_WRITABLE | SDF_READABLE; s->n_chan = 8; @@ -3922,7 +3920,7 @@ static int setup_subdevices(struct comedi_device *dev) s->type = COMEDI_SUBD_CALIB; s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; s->n_chan = 8; - if (thisboard->layout == LAYOUT_4020) + if (board->layout == LAYOUT_4020) s->maxdata = 0xfff; else s->maxdata = 0xff; @@ -3939,7 +3937,7 @@ static int setup_subdevices(struct comedi_device *dev) /* 2 channel ad8402 potentiometer */ s = &dev->subdevices[7]; - if (thisboard->layout == LAYOUT_64XX) { + if (board->layout == LAYOUT_64XX) { s->type = COMEDI_SUBD_CALIB; s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; s->n_chan = 2; @@ -3981,16 +3979,16 @@ static int auto_attach(struct comedi_device *dev, unsigned long context) { struct pci_dev *pcidev = comedi_to_pci_dev(dev); - const struct pcidas64_board *thisboard = NULL; + const struct pcidas64_board *board = NULL; struct pcidas64_private *devpriv; uint32_t local_range, local_decode; int retval; if (context < ARRAY_SIZE(pcidas64_boards)) - thisboard = &pcidas64_boards[context]; - if (!thisboard) + board = &pcidas64_boards[context]; + if (!board) return -ENODEV; - dev->board_ptr = thisboard; + dev->board_ptr = board; devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv)); if (!devpriv) @@ -4002,7 +4000,7 @@ static int auto_attach(struct comedi_device *dev, pci_set_master(pcidev); /* Initialize dev->board_name */ - dev->board_name = thisboard->name; + dev->board_name = board->name; devpriv->main_phys_iobase = pci_resource_start(pcidev, 2); devpriv->dio_counter_phys_iobase = pci_resource_start(pcidev, 3); -- 2.7.4