staging: comedi: rtd520: remove code in #if 0/#endif blocks

All the #if 0'ed out code is either debug or incomplete. Just remove
it.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/rtd520.c b/drivers/staging/comedi/drivers/rtd520.c
index f7d813c..8d125d5 100644 (file)
--- a/drivers/staging/comedi/drivers/rtd520.c
+++ b/drivers/staging/comedi/drivers/rtd520.c
@@ -566,15 +566,8 @@ static int ai_read_n(struct comedi_device *dev, struct comedi_subdevice *s,
                        d = readw(devpriv->las1 + LAS1_ADC_FIFO);
                        continue;
                }
-#if 0
-               if (!(readl(devpriv->las0 + LAS0_ADC) & FS_ADC_NOT_EMPTY)) {
-                       DPRINTK("comedi: READ OOPS on %d of %d\n", ii + 1,
-                               count);
-                       break;
-               }
-#endif
-               d = readw(devpriv->las1 + LAS1_ADC_FIFO);
 
+               d = readw(devpriv->las1 + LAS1_ADC_FIFO);
                d = d >> 3;     /* low 3 bits are marker lines */
                if (CHAN_ARRAY_TEST(devpriv->chanBipolar, s->async->cur_chan)) {
                        /* convert to comedi unsigned data */
@@ -752,18 +745,6 @@ transferDone:
        return IRQ_HANDLED;
 }
 
-#if 0
-/*
-  return the number of samples available
-*/
-static int rtd_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s)
-{
-       /* TODO: This needs to mask interrupts, read_dregs, and then re-enable */
-       /* Not sure what to do if DMA is active */
-       return s->async->buf_write_count - s->async->buf_read_count;
-}
-#endif
-
 /*
   cmdtest tests a particular command to see if it is valid.
   Using the cmdtest ioctl, a user can create a valid cmd
@@ -884,12 +865,6 @@ static int rtd_ai_cmdtest(struct comedi_device *dev,
                }
        }
 
-#if 0
-       if (cmd->scan_end_arg != cmd->chanlist_len) {
-               cmd->scan_end_arg = cmd->chanlist_len;
-               err++;
-       }
-#endif
        if (cmd->stop_src == TRIG_COUNT) {
                /* TODO check for rounding error due to counter wrap */
 
@@ -1362,7 +1337,6 @@ static void rtd_pci_latency_quirk(struct comedi_device *dev,
 {
        unsigned char pci_latency;
        u16 revision;
-       /*uint32_t epld_version; */
 
        pci_read_config_word(pcidev, PCI_REVISION_ID, &revision);
        DPRINTK("%s: PCI revision %d.\n", dev->board_name, revision);
@@ -1376,18 +1350,6 @@ static void rtd_pci_latency_quirk(struct comedi_device *dev,
        } else {
                DPRINTK("rtd520: PCI latency = %d\n", pci_latency);
        }
-
-#if 0
-       /*
-        * Undocumented EPLD version (doesn't match RTD driver results)
-        */
-       DPRINTK("rtd520: Reading epld from %p\n", devpriv->las0 + 0);
-       epld_version = readl(devpriv->las0 + 0);
-       if ((epld_version & 0xF0) >> 4 == 0x0F)
-               DPRINTK("rtd520: pre-v8 EPLD. (%x)\n", epld_version);
-       else
-               DPRINTK("rtd520: EPLD version %x.\n", epld_version >> 4);
-#endif
 }
 
 static const void *rtd_find_boardinfo(struct comedi_device *dev,
@@ -1460,7 +1422,6 @@ static int rtd_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
        s->do_cmd = rtd_ai_cmd;
        s->do_cmdtest = rtd_ai_cmdtest;
        s->cancel = rtd_ai_cancel;
-       /* s->poll = rtd_ai_poll; *//* not ready yet */
 
        s = &dev->subdevices[1];
        /* analog output subdevice */