From: H Hartley Sweeten Date: Thu, 20 Nov 2014 22:10:57 +0000 (-0700) Subject: staging: comedi: adv_pci1724: absorb setup_subdevices() X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=27de4358f950ac5fb4797c8f92265c61291a8895;p=linux-beck.git staging: comedi: adv_pci1724: absorb setup_subdevices() For aesthetics, absorb this function into the (*auto_attach). Add some whitespace to the subdevice init. Signed-off-by: H Hartley Sweeten Reviewed-by: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/adv_pci1724.c b/drivers/staging/comedi/drivers/adv_pci1724.c index 2df765f43f4e..fdcf3ab7af5f 100644 --- a/drivers/staging/comedi/drivers/adv_pci1724.c +++ b/drivers/staging/comedi/drivers/adv_pci1724.c @@ -130,80 +130,67 @@ static int adv_pci1724_insn_write(struct comedi_device *dev, return insn->n; } -/* Allocate and initialize the subdevice structures. - */ -static int setup_subdevices(struct comedi_device *dev) +static int adv_pci1724_auto_attach(struct comedi_device *dev, + unsigned long context_unused) { + struct pci_dev *pcidev = comedi_to_pci_dev(dev); struct comedi_subdevice *s; + unsigned int board_id; int ret; + ret = comedi_pci_enable(dev); + if (ret) + return ret; + + dev->iobase = pci_resource_start(pcidev, 2); + board_id = inl(dev->iobase + PCI1724_BOARD_ID_REG); + dev_info(dev->class_dev, "board id: %d\n", + board_id & PCI1724_BOARD_ID_MASK); + ret = comedi_alloc_subdevices(dev, 3); if (ret) return ret; - /* analog output subdevice */ + /* Analog Output subdevice */ s = &dev->subdevices[0]; - s->type = COMEDI_SUBD_AO; - s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_GROUND; - s->n_chan = 32; - s->maxdata = 0x3fff; - s->range_table = &ao_ranges_1724; - s->insn_write = adv_pci1724_insn_write; - s->private = (void *)PCI1724_DAC_CTRL_MODE_NORMAL; + s->type = COMEDI_SUBD_AO; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_GROUND; + s->n_chan = 32; + s->maxdata = 0x3fff; + s->range_table = &ao_ranges_1724; + s->insn_write = adv_pci1724_insn_write; + s->private = (void *)PCI1724_DAC_CTRL_MODE_NORMAL; ret = comedi_alloc_subdev_readback(s); if (ret) return ret; - /* offset calibration */ + /* Offset Calibration subdevice */ s = &dev->subdevices[1]; - s->type = COMEDI_SUBD_CALIB; - s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; - s->n_chan = 32; - s->maxdata = 0x3fff; - s->insn_write = adv_pci1724_insn_write; - s->private = (void *)PCI1724_DAC_CTRL_MODE_OFFSET; + s->type = COMEDI_SUBD_CALIB; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; + s->n_chan = 32; + s->maxdata = 0x3fff; + s->insn_write = adv_pci1724_insn_write; + s->private = (void *)PCI1724_DAC_CTRL_MODE_OFFSET; ret = comedi_alloc_subdev_readback(s); if (ret) return ret; - /* gain calibration */ + /* Gain Calibration subdevice */ s = &dev->subdevices[2]; - s->type = COMEDI_SUBD_CALIB; - s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; - s->n_chan = 32; - s->maxdata = 0x3fff; - s->insn_write = adv_pci1724_insn_write; - s->private = (void *)PCI1724_DAC_CTRL_MODE_GAIN; + s->type = COMEDI_SUBD_CALIB; + s->subdev_flags = SDF_READABLE | SDF_WRITABLE | SDF_INTERNAL; + s->n_chan = 32; + s->maxdata = 0x3fff; + s->insn_write = adv_pci1724_insn_write; + s->private = (void *)PCI1724_DAC_CTRL_MODE_GAIN; ret = comedi_alloc_subdev_readback(s); if (ret) return ret; - return 0; -} - -static int adv_pci1724_auto_attach(struct comedi_device *dev, - unsigned long context_unused) -{ - struct pci_dev *pcidev = comedi_to_pci_dev(dev); - int retval; - unsigned int board_id; - - retval = comedi_pci_enable(dev); - if (retval) - return retval; - - dev->iobase = pci_resource_start(pcidev, 2); - board_id = inl(dev->iobase + PCI1724_BOARD_ID_REG); - dev_info(dev->class_dev, "board id: %d\n", - board_id & PCI1724_BOARD_ID_MASK); - - retval = setup_subdevices(dev); - if (retval < 0) - return retval; - dev_info(dev->class_dev, "%s (pci %s) attached, board id: %u\n", dev->board_name, pci_name(pcidev), board_id); return 0;