staging: comedi: addi_apci_3120: move apci3120_setup_dma() to driver

Move this function from the included source file to the main driver
source file.

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 a241368..771ac87 100644 (file)
--- a/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
+++ b/drivers/staging/comedi/drivers/addi-data/hwdrv_apci3120.c
@@ -26,57 +26,6 @@ static int apci3120_cancel(struct comedi_device *dev,
        return 0;
 }
 
-static void apci3120_setup_dma(struct comedi_device *dev,
-                              struct comedi_subdevice *s)
-{
-       struct apci3120_private *devpriv = dev->private;
-       struct comedi_cmd *cmd = &s->async->cmd;
-       struct apci3120_dmabuf *dmabuf0 = &devpriv->dmabuf[0];
-       struct apci3120_dmabuf *dmabuf1 = &devpriv->dmabuf[1];
-       unsigned int dmalen0 = dmabuf0->size;
-       unsigned int dmalen1 = dmabuf1->size;
-       unsigned int scan_bytes;
-
-       scan_bytes = comedi_samples_to_bytes(s, cmd->scan_end_arg);
-
-       if (cmd->stop_src == TRIG_COUNT) {
-               /*
-                * Must we fill full first buffer? And must we fill
-                * full second buffer when first is once filled?
-                */
-               if (dmalen0 > (cmd->stop_arg * scan_bytes))
-                       dmalen0 = cmd->stop_arg * scan_bytes;
-               else if (dmalen1 > (cmd->stop_arg * scan_bytes - dmalen0))
-                       dmalen1 = cmd->stop_arg * scan_bytes - dmalen0;
-       }
-
-       if (cmd->flags & CMDF_WAKE_EOS) {
-               /* don't we want wake up every scan? */
-               if (dmalen0 > scan_bytes) {
-                       dmalen0 = scan_bytes;
-                       if (cmd->scan_end_arg & 1)
-                               dmalen0 += 2;
-               }
-               if (dmalen1 > scan_bytes) {
-                       dmalen1 = scan_bytes;
-                       if (cmd->scan_end_arg & 1)
-                               dmalen1 -= 2;
-                       if (dmalen1 < 4)
-                               dmalen1 = 4;
-               }
-       } else {
-               /* isn't output buff smaller that our DMA buff? */
-               if (dmalen0 > s->async->prealloc_bufsz)
-                       dmalen0 = s->async->prealloc_bufsz;
-               if (dmalen1 > s->async->prealloc_bufsz)
-                       dmalen1 = s->async->prealloc_bufsz;
-       }
-       dmabuf0->use_size = dmalen0;
-       dmabuf1->use_size = dmalen1;
-
-       apci3120_init_dma(dev, dmabuf0);
-}
-
 static int apci3120_ai_cmd(struct comedi_device *dev,
                           struct comedi_subdevice *s)
 {

diff --git a/drivers/staging/comedi/drivers/addi_apci_3120.c b/drivers/staging/comedi/drivers/addi_apci_3120.c
index d66e910..b5ac5b8 100644 (file)
--- a/drivers/staging/comedi/drivers/addi_apci_3120.c
+++ b/drivers/staging/comedi/drivers/addi_apci_3120.c
@@ -209,6 +209,57 @@ static void apci3120_init_dma(struct comedi_device *dev,
             devpriv->addon + APCI3120_ADDON_CTRL_REG);
 }
 
+static void apci3120_setup_dma(struct comedi_device *dev,
+                              struct comedi_subdevice *s)
+{
+       struct apci3120_private *devpriv = dev->private;
+       struct comedi_cmd *cmd = &s->async->cmd;
+       struct apci3120_dmabuf *dmabuf0 = &devpriv->dmabuf[0];
+       struct apci3120_dmabuf *dmabuf1 = &devpriv->dmabuf[1];
+       unsigned int dmalen0 = dmabuf0->size;
+       unsigned int dmalen1 = dmabuf1->size;
+       unsigned int scan_bytes;
+
+       scan_bytes = comedi_samples_to_bytes(s, cmd->scan_end_arg);
+
+       if (cmd->stop_src == TRIG_COUNT) {
+               /*
+                * Must we fill full first buffer? And must we fill
+                * full second buffer when first is once filled?
+                */
+               if (dmalen0 > (cmd->stop_arg * scan_bytes))
+                       dmalen0 = cmd->stop_arg * scan_bytes;
+               else if (dmalen1 > (cmd->stop_arg * scan_bytes - dmalen0))
+                       dmalen1 = cmd->stop_arg * scan_bytes - dmalen0;
+       }
+
+       if (cmd->flags & CMDF_WAKE_EOS) {
+               /* don't we want wake up every scan? */
+               if (dmalen0 > scan_bytes) {
+                       dmalen0 = scan_bytes;
+                       if (cmd->scan_end_arg & 1)
+                               dmalen0 += 2;
+               }
+               if (dmalen1 > scan_bytes) {
+                       dmalen1 = scan_bytes;
+                       if (cmd->scan_end_arg & 1)
+                               dmalen1 -= 2;
+                       if (dmalen1 < 4)
+                               dmalen1 = 4;
+               }
+       } else {
+               /* isn't output buff smaller that our DMA buff? */
+               if (dmalen0 > s->async->prealloc_bufsz)
+                       dmalen0 = s->async->prealloc_bufsz;
+               if (dmalen1 > s->async->prealloc_bufsz)
+                       dmalen1 = s->async->prealloc_bufsz;
+       }
+       dmabuf0->use_size = dmalen0;
+       dmabuf1->use_size = dmalen1;
+
+       apci3120_init_dma(dev, dmabuf0);
+}
+
 /*
  * There are three timers on the board. They all use the same base
  * clock with a fixed prescaler for each timer. The base clock used