staging: comedi: addi_apci_3120: remove private data 'ui_AiNbrofChannels'

This member of the private data is always the cmd->chanlist_len. Use that
instead and remove the member.

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 1913fd2..004142e 100644 (file)
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -361,7 +361,7 @@ static int apci3120_cyclic_ai(int mode,
        devpriv->ui_DmaActualBuffer = 0;
 
        /* Initializes the sequence array */
-       if (!apci3120_setup_chan_list(dev, s, devpriv->ui_AiNbrofChannels,
+       if (!apci3120_setup_chan_list(dev, s, cmd->chanlist_len,
                        cmd->chanlist))
                return -EINVAL;
 
@@ -605,9 +605,6 @@ static int apci3120_ai_cmd(struct comedi_device *dev,
        struct apci3120_private *devpriv = dev->private;
        struct comedi_cmd *cmd = &s->async->cmd;
 
-       /* loading private structure with cmd structure inputs */
-       devpriv->ui_AiNbrofChannels = cmd->chanlist_len;
-
        if (cmd->start_src == TRIG_EXT)
                devpriv->b_ExttrigEnable = APCI3120_ENABLE;
        else
@@ -752,6 +749,7 @@ static irqreturn_t apci3120_interrupt(int irq, void *d)
        struct comedi_device *dev = d;
        struct apci3120_private *devpriv = dev->private;
        struct comedi_subdevice *s = dev->read_subdev;
+       struct comedi_cmd *cmd = &s->async->cmd;
        unsigned short int_daq;
        unsigned int int_amcc;
 
@@ -791,7 +789,7 @@ static irqreturn_t apci3120_interrupt(int irq, void *d)
                        unsigned short val;
                        int i;
 
-                       for (i = 0; i < devpriv->ui_AiNbrofChannels; i++) {
+                       for (i = 0; i < cmd->chanlist_len; i++) {
                                val = inw(dev->iobase + 0);
                                comedi_buf_write_samples(s, &val, 1);
                        }

diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c b/drivers/staging/comedi/drivers/addi_apci_3120.c
index dc05b2f..2eb7ab5 100644 (file)
--- a/drivers/staging/comedi/drivers/addi_apci_3120.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3120.c
@@ -113,7 +113,6 @@ struct apci3120_private {
        unsigned long amcc;
        unsigned long addon;
        unsigned int osc_base;
-       unsigned int ui_AiNbrofChannels;
        unsigned int ui_AiChannelList[32];
        unsigned short us_UseDma;
        unsigned char b_DmaDoubleBuffer;