From 05ffb11ca7e2c24364cb353265d6ce586fd83990 Mon Sep 17 00:00:00 2001 From: Deepak R Varma Date: Wed, 11 Mar 2020 02:55:48 +0530 Subject: [PATCH] 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 Link: https://lore.kernel.org/r/20200310212545.GA8914@deeUbuntu Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/dt282x.c | 30 +----------------------------- 1 file changed, 1 insertion(+), 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); -- 2.11.0