Rename this private data variable to xfer_count. Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx> Cc: Ian Abbott <abbotti@xxxxxxxxx> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/staging/comedi/drivers/rtd520.c | 37 ++++++++++++++++----------------- 1 file changed, 18 insertions(+), 19 deletions(-) diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c index dc5a31e..b053887 100644 --- a/drivers/staging/comedi/drivers/rtd520.c +++ b/drivers/staging/comedi/drivers/rtd520.c @@ -395,7 +395,7 @@ struct rtd_private { void __iomem *lcfg; long aiCount; /* total transfer size (samples) */ - int transCount; /* # to transfer data. 0->1/2FIFO */ + int xfer_count; /* # to transfer data. 0->1/2FIFO */ int flags; /* flag event modes */ /* channel list info */ @@ -751,10 +751,10 @@ static irqreturn_t rtd_interrupt(int irq, /* interrupt number (ignored) */ goto transferDone; comedi_event(dev, s); - } else if (devpriv->transCount > 0) { + } else if (devpriv->xfer_count > 0) { if (fifoStatus & FS_ADC_NOT_EMPTY) { /* FIFO not empty */ - if (ai_read_n(dev, s, devpriv->transCount) < 0) + if (ai_read_n(dev, s, devpriv->xfer_count) < 0) goto abortTransfer; if (0 == devpriv->aiCount) @@ -1015,37 +1015,36 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) * the application is responsible for doing the * right thing */ - devpriv->transCount = cmd->chanlist_len; + devpriv->xfer_count = cmd->chanlist_len; devpriv->flags |= SEND_EOS; } else { /* arrange to transfer data periodically */ - devpriv->transCount - = + devpriv->xfer_count = (TRANS_TARGET_PERIOD * cmd->chanlist_len) / cmd->scan_begin_arg; - if (devpriv->transCount < cmd->chanlist_len) { + if (devpriv->xfer_count < cmd->chanlist_len) { /* transfer after each scan (and avoid 0) */ - devpriv->transCount = cmd->chanlist_len; + devpriv->xfer_count = cmd->chanlist_len; } else { /* make a multiple of scan length */ - devpriv->transCount = - (devpriv->transCount + + devpriv->xfer_count = + (devpriv->xfer_count + cmd->chanlist_len - 1) / cmd->chanlist_len; - devpriv->transCount *= cmd->chanlist_len; + devpriv->xfer_count *= cmd->chanlist_len; } devpriv->flags |= SEND_EOS; } - if (devpriv->transCount >= (devpriv->fifoLen / 2)) { + if (devpriv->xfer_count >= (devpriv->fifoLen / 2)) { /* out of counter range, use 1/2 fifo instead */ - devpriv->transCount = 0; + devpriv->xfer_count = 0; devpriv->flags &= ~SEND_EOS; } else { /* interrupt for each transfer */ - writel((devpriv->transCount - 1) & 0xffff, + writel((devpriv->xfer_count - 1) & 0xffff, devpriv->las0 + LAS0_ACNT); } } else { /* unknown timing, just use 1/2 FIFO */ - devpriv->transCount = 0; + devpriv->xfer_count = 0; devpriv->flags &= ~SEND_EOS; } /* pacer clock source: INTERNAL 8MHz */ @@ -1059,9 +1058,9 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) switch (cmd->stop_src) { case TRIG_COUNT: /* stop after N scans */ devpriv->aiCount = cmd->stop_arg * cmd->chanlist_len; - if ((devpriv->transCount > 0) - && (devpriv->transCount > devpriv->aiCount)) { - devpriv->transCount = devpriv->aiCount; + if ((devpriv->xfer_count > 0) + && (devpriv->xfer_count > devpriv->aiCount)) { + devpriv->xfer_count = devpriv->aiCount; } break; @@ -1112,7 +1111,7 @@ static int rtd_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s) readw(devpriv->las0 + LAS0_CLEAR); /* TODO: allow multiple interrupt sources */ - if (devpriv->transCount > 0) { /* transfer every N samples */ + if (devpriv->xfer_count > 0) { /* transfer every N samples */ writew(IRQM_ADC_ABOUT_CNT, devpriv->las0 + LAS0_IT); } else { /* 1/2 FIFO transfers */ writew(IRQM_ADC_ABOUT_CNT, devpriv->las0 + LAS0_IT); -- 1.8.1.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/devel