staging: comedi: adv_pci1710: remove 'ai_chanlist' from private data
authorH Hartley Sweeten <hsweeten@visionengravers.com>
Wed, 23 Apr 2014 23:06:54 +0000 (16:06 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 25 Apr 2014 22:07:39 +0000 (15:07 -0700)
This member of the private data is just a copy of the cmd->chanlist.
Use that instead.

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>
drivers/staging/comedi/drivers/adv_pci1710.c

index 447addd..4d2bdc1 100644 (file)
@@ -316,7 +316,6 @@ struct pci1710_private {
        unsigned char da_ranges;        /*  copy of D/A outpit range register */
        unsigned int ai_scans;  /*  len of scanlist */
        unsigned int ai_n_chan; /*  how many channels is measured */
-       unsigned int *ai_chanlist;      /*  actaul chanlist */
        unsigned int ai_data_len;       /*  len of data buffer */
        unsigned short ao_data[4];      /*  data output buffer */
        unsigned int cnt0_write_wait;   /* after a write, wait for update of the
@@ -961,11 +960,11 @@ static int pci171x_ai_docmd_and_mode(int mode, struct comedi_device *dev,
 
        start_pacer(dev, -1, 0, 0);     /*  stop pacer */
 
-       seglen = check_channel_list(dev, s, devpriv->ai_chanlist,
+       seglen = check_channel_list(dev, s, cmd->chanlist,
                                    devpriv->ai_n_chan);
        if (seglen < 1)
                return -EINVAL;
-       setup_channel_list(dev, s, devpriv->ai_chanlist,
+       setup_channel_list(dev, s, cmd->chanlist,
                           devpriv->ai_n_chan, seglen);
 
        outb(0, dev->iobase + PCI171x_CLRFIFO);
@@ -1120,7 +1119,6 @@ static int pci171x_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
        struct comedi_cmd *cmd = &s->async->cmd;
 
        devpriv->ai_n_chan = cmd->chanlist_len;
-       devpriv->ai_chanlist = cmd->chanlist;
        devpriv->ai_data_len = s->async->prealloc_bufsz;
 
        if (cmd->stop_src == TRIG_COUNT)