From: H Hartley Sweeten Date: Sat, 6 Apr 2013 00:36:22 +0000 (-0700) Subject: staging: comedi: dt282x: remove 'boardtype' macro X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=a56ec2fe6657984f84e419355e6451460ffb44ce;p=openwrt%2Fstaging%2Fblogic.git staging: comedi: dt282x: remove 'boardtype' macro The 'boardtype' macro relies on a local variable having a specific name and yields a struct derived from that local variable. Replace the macro with local variables and use the comedi_board() helper to get the struct as a pointer. Use pointer access when using the variable. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c index 122d980a95a0..821e948839ad 100644 --- a/drivers/staging/comedi/drivers/dt282x.c +++ b/drivers/staging/comedi/drivers/dt282x.c @@ -248,8 +248,6 @@ struct dt282x_private { int dma_dir; }; -#define boardtype (*(const struct dt282x_board *)dev->board_ptr) - /* * Some useless abstractions */ @@ -289,14 +287,15 @@ static int dt282x_grab_dma(struct comedi_device *dev, int dma1, int dma2); static void dt282x_munge(struct comedi_device *dev, short *buf, unsigned int nbytes) { + const struct dt282x_board *board = comedi_board(dev); struct dt282x_private *devpriv = dev->private; unsigned int i; - unsigned short mask = (1 << boardtype.adbits) - 1; - unsigned short sign = 1 << (boardtype.adbits - 1); + unsigned short mask = (1 << board->adbits) - 1; + unsigned short sign = 1 << (board->adbits - 1); int n; if (devpriv->ad_2scomp) - sign = 1 << (boardtype.adbits - 1); + sign = 1 << (board->adbits - 1); else sign = 0; @@ -501,10 +500,10 @@ static irqreturn_t dt282x_interrupt(int irq, void *d) short data; data = (short)inw(dev->iobase + DT2821_ADDAT); - data &= (1 << boardtype.adbits) - 1; + data &= (1 << board->adbits) - 1; if (devpriv->ad_2scomp) - data ^= 1 << (boardtype.adbits - 1); + data ^= 1 << (board->adbits - 1); ret = comedi_buf_put(s->async, data); if (ret == 0) @@ -554,6 +553,7 @@ static int dt282x_ai_insn_read(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + const struct dt282x_board *board = comedi_board(dev); struct dt282x_private *devpriv = dev->private; int i; @@ -574,9 +574,9 @@ static int dt282x_ai_insn_read(struct comedi_device *dev, data[i] = inw(dev->iobase + - DT2821_ADDAT) & ((1 << boardtype.adbits) - 1); + DT2821_ADDAT) & ((1 << board->adbits) - 1); if (devpriv->ad_2scomp) - data[i] ^= (1 << (boardtype.adbits - 1)); + data[i] ^= (1 << (board->adbits - 1)); } return i; @@ -795,13 +795,14 @@ static int dt282x_ao_insn_write(struct comedi_device *dev, struct comedi_subdevice *s, struct comedi_insn *insn, unsigned int *data) { + const struct dt282x_board *board = comedi_board(dev); struct dt282x_private *devpriv = dev->private; short d; unsigned int chan; chan = CR_CHAN(insn->chanspec); d = data[0]; - d &= (1 << boardtype.dabits) - 1; + d &= (1 << board->dabits) - 1; devpriv->ao[chan] = d; devpriv->dacsr |= DT2821_SSEL; @@ -810,11 +811,11 @@ static int dt282x_ao_insn_write(struct comedi_device *dev, /* select channel */ devpriv->dacsr |= DT2821_YSEL; if (devpriv->da0_2scomp) - d ^= (1 << (boardtype.dabits - 1)); + d ^= (1 << (board->dabits - 1)); } else { devpriv->dacsr &= ~DT2821_YSEL; if (devpriv->da1_2scomp) - d ^= (1 << (boardtype.dabits - 1)); + d ^= (1 << (board->dabits - 1)); } outw(devpriv->dacsr, dev->iobase + DT2821_DACSR); @@ -1223,20 +1224,20 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->subdev_flags = SDF_READABLE | SDF_CMD_READ | ((it->options[opt_diff]) ? SDF_DIFF : SDF_COMMON); s->n_chan = - (it->options[opt_diff]) ? boardtype.adchan_di : boardtype.adchan_se; + (it->options[opt_diff]) ? board->adchan_di : board->adchan_se; s->insn_read = dt282x_ai_insn_read; s->do_cmdtest = dt282x_ai_cmdtest; s->do_cmd = dt282x_ai_cmd; s->cancel = dt282x_ai_cancel; - s->maxdata = (1 << boardtype.adbits) - 1; + s->maxdata = (1 << board->adbits) - 1; s->len_chanlist = 16; s->range_table = - opt_ai_range_lkup(boardtype.ispgl, it->options[opt_ai_range]); + opt_ai_range_lkup(board->ispgl, it->options[opt_ai_range]); devpriv->ad_2scomp = it->options[opt_ai_twos]; s = &dev->subdevices[1]; - s->n_chan = boardtype.dachan; + s->n_chan = board->dachan; if (s->n_chan) { /* ao subsystem */ s->type = COMEDI_SUBD_AO; @@ -1247,7 +1248,7 @@ static int dt282x_attach(struct comedi_device *dev, struct comedi_devconfig *it) s->do_cmdtest = dt282x_ao_cmdtest; s->do_cmd = dt282x_ao_cmd; s->cancel = dt282x_ao_cancel; - s->maxdata = (1 << boardtype.dabits) - 1; + s->maxdata = (1 << board->dabits) - 1; s->len_chanlist = 2; s->range_table_list = devpriv->darangelist; devpriv->darangelist[0] =