staging: comedi: s626: #ifdef out a block of unused code

Currently the unused s626_ai_rinsn() function is commented out with
/* ... */ on every line of the function. Remove those by using an

This block will be removed once it is determined that it really
is not needed.

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

diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index d5bf8c8..0a9638b 100644 (file)
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -1101,32 +1101,42 @@ static int s626_ai_insn_config(struct comedi_device *dev,
        return -EINVAL;
 }
 
-/* static int s626_ai_rinsn(struct comedi_device *dev,struct comedi_subdevice *s,struct comedi_insn *insn,unsigned int *data) */
-/* { */
-/*   struct s626_private *devpriv = dev->private; */
-/*   register uint8_t  i; */
-/*   register int32_t  *readaddr; */
+#ifdef unused_code
+static int s626_ai_rinsn(struct comedi_device *dev,
+                        struct comedi_subdevice *s,
+                        struct comedi_insn *insn,
+                        unsigned int *data)
+{
+       struct s626_private *devpriv = dev->private;
+       register uint8_t i;
+       register int32_t *readaddr;
 
-/*   Trigger ADC scan loop start by setting RPS Signal 0. */
-/*   MC_ENABLE( P_MC2, MC2_ADC_RPS ); */
+       /* Trigger ADC scan loop start (set RPS Signal 0) */
+       MC_ENABLE(P_MC2, MC2_ADC_RPS);
 
-/*   Wait until ADC scan loop is finished (RPS Signal 0 reset). */
-/*   while ( MC_TEST( P_MC2, MC2_ADC_RPS ) ); */
+       /* Wait until ADC scan loop is finished (RPS Signal 0 reset) */
+       while (MC_TEST(P_MC2, MC2_ADC_RPS))
+               ;
 
-/* Init ptr to DMA buffer that holds new ADC data.  We skip the
- * first uint16_t in the buffer because it contains junk data from
- * the final ADC of the previous poll list scan.
- */
-/*   readaddr = (uint32_t *)devpriv->ANABuf.LogicalBase + 1; */
+       /*
+        * Init ptr to DMA buffer that holds new ADC data.  We skip the
+        * first uint16_t in the buffer because it contains junk data from
+        * the final ADC of the previous poll list scan.
+        */
+       readaddr = (uint32_t *)devpriv->ANABuf.LogicalBase + 1;
 
-/*  Convert ADC data to 16-bit integer values and copy to application buffer. */
-/*   for ( i = 0; i < devpriv->AdcItems; i++ ) { */
-/*     *data = s626_ai_reg_to_uint( *readaddr++ ); */
-/*     data++; */
-/*   } */
+       /*
+        * Convert ADC data to 16-bit integer values and
+        * copy to application buffer.
+        */
+       for (i = 0; i < devpriv->AdcItems; i++) {
+               *data = s626_ai_reg_to_uint(*readaddr++);
+               data++;
+       }
 
-/*   return i; */
-/* } */
+       return i;
+}
+#endif
 
 static int s626_ai_insn_read(struct comedi_device *dev,
                             struct comedi_subdevice *s,