staging: comedi: s626: remove 'got_regions' from private data

This variable is only used as a flag to indicate that the pci device
has been enabled and needs to be disabled in the detach. Use the
comedi_device 'iobase' for this and remove the private data variable.

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

1 files changed, 2 insertions, 4 deletions

diff --git a/drivers/staging/comedi/drivers/s626.c b/drivers/staging/comedi/drivers/s626.c
index 93e55c314598..12709b0bbba1 100644
--- a/drivers/staging/comedi/drivers/s626.c
+++ b/drivers/staging/comedi/drivers/s626.c
@@ -80,7 +80,6 @@ INSN_CONFIG instructions:
 
 struct s626_private {
         void __iomem *base_addr;
-        int got_regions;
         short allocatedBuf;
         uint8_t ai_cmd_running; /*  ai_cmd is running */
         uint8_t ai_continous;   /*  continous acquisition */
@@ -2460,7 +2459,7 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
         ret = comedi_pci_enable(pcidev, dev->board_name);
         if (ret)
                 return ret;
-        devpriv->got_regions = 1;
+        dev->iobase = 1;        /* detach needs this */
 
         resourceStart = pci_resource_start(pcidev, 0);
 
@@ -2512,7 +2511,6 @@ static int s626_attach_pci(struct comedi_device *dev, struct pci_dev *pcidev)
         if (ret)
                 return ret;
 
-        dev->iobase = (unsigned long)devpriv->base_addr;
         dev->irq = pcidev->irq;
 
         /* set up interrupt handler */
@@ -2893,7 +2891,7 @@ static void s626_detach(struct comedi_device *dev)
                         iounmap(devpriv->base_addr);
         }
         if (pcidev) {
-                if (devpriv->got_regions)
+                if (dev->iobase)
                         comedi_pci_disable(pcidev);
         }
 }