staging: comedi: addi_apci_3120: remove 'check' param from apci3120_setup_chan_list()

This parameter is always passed as '0'. Remove it and refactor the code.

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

diff --git a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
index dd7805b7a3e45d8c841b3e3dd726087d225b2754..44a3fcd19b7f1d67313abde499f459618c776cc7 100644 (file)
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -188,31 +188,18 @@ static int apci3120_ai_insn_config(struct comedi_device *dev,
        return insn->n;
 }
 
-/*
- * This function will first check channel list is ok or not and then
- * initialize the sequence RAM with the polarity, Gain,Channel number.
- * If the last argument of function "check"is 1 then it only checks
- * the channel list is ok or not.
- */
 static int apci3120_setup_chan_list(struct comedi_device *dev,
                                    struct comedi_subdevice *s,
-                                   int n_chan,
-                                   unsigned int *chanlist,
-                                   char check)
+                                   int n_chan, unsigned int *chanlist)
 {
        struct apci3120_private *devpriv = dev->private;
        int i;
 
        /* correct channel and range number check itself comedi/range.c */
        if (n_chan < 1) {
-               if (!check)
-                       dev_err(dev->class_dev,
-                               "range/channel list is empty!\n");
+               dev_err(dev->class_dev, "range/channel list is empty!\n");
                return 0;
        }
-       /*  All is ok, so we can setup channel/range list */
-       if (check)
-               return 1;
 
        /* set scan length (PR) and scan start (PA) */
        devpriv->ctrl = APCI3120_CTRL_PR(n_chan - 1) | APCI3120_CTRL_PA(0);
@@ -282,7 +269,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
 
                        /*  Initialize the sequence array */
                        if (!apci3120_setup_chan_list(dev, s, 1,
-                                       &insn->chanspec, 0))
+                                       &insn->chanspec))
                                return -EINVAL;
 
                        /* Initialize Timer 0 mode 4 */
@@ -347,7 +334,7 @@ static int apci3120_ai_insn_read(struct comedi_device *dev,
 
                        if (!apci3120_setup_chan_list(dev, s,
                                        devpriv->ui_AiNbrofChannels,
-                                       devpriv->ui_AiChannelList, 0))
+                                       devpriv->ui_AiChannelList))
                                return -EINVAL;
 
                        /* Initialize Timer 0 mode 2 */
@@ -594,7 +581,7 @@ static int apci3120_cyclic_ai(int mode,
 
        /* Initializes the sequence array */
        if (!apci3120_setup_chan_list(dev, s, devpriv->ui_AiNbrofChannels,
-                       cmd->chanlist, 0))
+                       cmd->chanlist))
                return -EINVAL;
 
        divisor0 = apci3120_ns_to_timer(dev, 0, cmd->convert_arg, cmd->flags);