From: H Hartley Sweeten Date: Mon, 14 Jul 2014 19:24:03 +0000 (-0700) Subject: staging: comedi: ni_mio_common: tidy up the PFI subdevice init X-Git-Tag: firefly_0821_release~176^2~3491^2~669 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=43f2c8b7defd4e54167773d6de0c23ad55de1686;p=firefly-linux-kernel-4.4.55.git staging: comedi: ni_mio_common: tidy up the PFI subdevice init For aesthetics, add some whitespace to the subdevice init and tidy it up a bit. Remove the need for the extra local variable. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c index 8f7edcdc1f1d..4932b4db83ad 100644 --- a/drivers/staging/comedi/drivers/ni_mio_common.c +++ b/drivers/staging/comedi/drivers/ni_mio_common.c @@ -5490,9 +5490,9 @@ static int ni_E_init(struct comedi_device *dev, const struct ni_board_struct *board = comedi_board(dev); struct ni_private *devpriv = dev->private; struct comedi_subdevice *s; - unsigned j; enum ni_gpct_variant counter_variant; int ret; + int i; if (board->n_aochan > MAX_N_AO_CHAN) { printk("bug! n_aochan > MAX_N_AO_CHAN\n"); @@ -5678,25 +5678,25 @@ static int ni_E_init(struct comedi_device *dev, s->insn_read = ni_eeprom_insn_read; } - /* PFI */ + /* Digital I/O (PFI) subdevice */ s = &dev->subdevices[NI_PFI_DIO_SUBDEV]; - s->type = COMEDI_SUBD_DIO; - s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; + s->type = COMEDI_SUBD_DIO; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; + s->maxdata = 1; if (devpriv->is_m_series) { - unsigned i; - s->n_chan = 16; + s->n_chan = 16; + s->insn_bits = ni_pfi_insn_bits; + ni_writew(dev, s->state, M_Offset_PFI_DO); for (i = 0; i < NUM_PFI_OUTPUT_SELECT_REGS; ++i) { ni_writew(dev, devpriv->pfi_output_select_reg[i], M_Offset_PFI_Output_Select(i + 1)); } } else { - s->n_chan = 10; + s->n_chan = 10; } - s->maxdata = 1; - if (devpriv->is_m_series) - s->insn_bits = &ni_pfi_insn_bits; - s->insn_config = &ni_pfi_insn_config; + s->insn_config = ni_pfi_insn_config; + ni_set_bits(dev, IO_Bidirection_Pin_Register, ~0, 0); /* cs5529 calibration adc */ @@ -5748,8 +5748,8 @@ static int ni_E_init(struct comedi_device *dev, return -ENOMEM; /* General purpose counters */ - for (j = 0; j < NUM_GPCT; ++j) { - s = &dev->subdevices[NI_GPCT_SUBDEV(j)]; + for (i = 0; i < NUM_GPCT; ++i) { + s = &dev->subdevices[NI_GPCT_SUBDEV(i)]; s->type = COMEDI_SUBD_COUNTER; s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_LSAMPL; s->n_chan = 3; @@ -5768,11 +5768,11 @@ static int ni_E_init(struct comedi_device *dev, s->cancel = &ni_gpct_cancel; s->async_dma_dir = DMA_BIDIRECTIONAL; #endif - s->private = &devpriv->counter_dev->counters[j]; + s->private = &devpriv->counter_dev->counters[i]; - devpriv->counter_dev->counters[j].chip_index = 0; - devpriv->counter_dev->counters[j].counter_index = j; - ni_tio_init_counter(&devpriv->counter_dev->counters[j]); + devpriv->counter_dev->counters[i].chip_index = 0; + devpriv->counter_dev->counters[i].counter_index = i; + ni_tio_init_counter(&devpriv->counter_dev->counters[i]); } /* Frequency output */