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authorDeepak R Varma <mh12gx2825@gmail.com>2020-03-11 02:55:48 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-03-11 08:04:54 +0100
commit05ffb11ca7e2c24364cb353265d6ce586fd83990 (patch)
tree8f8f9a1e717ab6da0d5a9cf14375affe874a70cb
parentc9edd297541676b26a35e566c286a322f15b2b6a (diff)
staging: comedi: dt282x: remove old unused code
There are two #if 0 blocks that have no recent history of any change. Remove those code blocks for improved readability of the code. Signed-off-by: Deepak R Varma <mh12gx2825@gmail.com> Link: https://lore.kernel.org/r/20200310212545.GA8914@deeUbuntu Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/staging/comedi/drivers/dt282x.c30
1 files changed, 1 insertions, 29 deletions
diff --git a/drivers/staging/comedi/drivers/dt282x.c b/drivers/staging/comedi/drivers/dt282x.c
index e15e33ed94ae..89dc84d3c803 100644
--- a/drivers/staging/comedi/drivers/dt282x.c
+++ b/drivers/staging/comedi/drivers/dt282x.c
@@ -484,14 +484,7 @@ static void dt282x_ai_dma_interrupt(struct comedi_device *dev,
s->async->events |= COMEDI_CB_EOA;
return;
}
-#if 0
- /* clear the dual dma flag, making this the last dma segment */
- /* XXX probably wrong */
- if (!devpriv->ntrig) {
- devpriv->supcsr &= ~DT2821_SUPCSR_DDMA;
- outw(devpriv->supcsr, dev->iobase + DT2821_SUPCSR_REG);
- }
-#endif
+
/* restart the channel */
dt282x_prep_ai_dma(dev, dma->cur_dma, 0);
@@ -534,28 +527,7 @@ static irqreturn_t dt282x_interrupt(int irq, void *d)
s_ao->async->events |= COMEDI_CB_ERROR;
handled = 1;
}
-#if 0
- if (adcsr & DT2821_ADCSR_ADDONE) {
- unsigned short data;
-
- data = inw(dev->iobase + DT2821_ADDAT_REG);
- data &= s->maxdata;
- if (devpriv->ad_2scomp)
- data = comedi_offset_munge(s, data);
- comedi_buf_write_samples(s, &data, 1);
-
- devpriv->nread--;
- if (!devpriv->nread) {
- s->async->events |= COMEDI_CB_EOA;
- } else {
- if (supcsr & DT2821_SUPCSR_SCDN)
- outw(devpriv->supcsr | DT2821_SUPCSR_STRIG,
- dev->iobase + DT2821_SUPCSR_REG);
- }
- handled = 1;
- }
-#endif
comedi_handle_events(dev, s);
if (s_ao)
comedi_handle_events(dev, s_ao);