From f55354b0a8a3c6d3e5fc64b3da37510711aaf352 Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Wed, 18 Jul 2012 18:56:49 -0700 Subject: [PATCH] staging: comedi: daqboard2000: remove 'got_regions' from private data The 'got_regions' variable in the private data is used as a flag for the detach to know if the pci device has been enabled. Typically the dev->iobase variable is used to indicate this in all the other comedi drivers. Do the same here for consistancy. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/drivers/daqboard2000.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/drivers/staging/comedi/drivers/daqboard2000.c b/drivers/staging/comedi/drivers/daqboard2000.c index eb07466..1d94b58 100644 --- a/drivers/staging/comedi/drivers/daqboard2000.c +++ b/drivers/staging/comedi/drivers/daqboard2000.c @@ -320,7 +320,6 @@ struct daqboard2000_private { struct pci_dev *pci_dev; void *daq; void *plx; - int got_regions; unsigned int ao_readback[2]; }; @@ -760,11 +759,11 @@ static int daqboard2000_attach(struct comedi_device *dev, "failed to enable PCI device and request regions\n"); return -EIO; } - devpriv->got_regions = 1; + dev->iobase = pci_resource_start(pcidev, 2); + devpriv->plx = ioremap(pci_resource_start(pcidev, 0), DAQBOARD2000_PLX_SIZE); - devpriv->daq = - ioremap(pci_resource_start(pcidev, 2), DAQBOARD2000_DAQ_SIZE); + devpriv->daq = ioremap(dev->iobase, DAQBOARD2000_DAQ_SIZE); if (!devpriv->plx || !devpriv->daq) return -ENOMEM; @@ -844,7 +843,7 @@ static void daqboard2000_detach(struct comedi_device *dev) if (devpriv->plx) iounmap(devpriv->plx); if (devpriv->pci_dev) { - if (devpriv->got_regions) + if (dev->iobase) comedi_pci_disable(devpriv->pci_dev); pci_dev_put(devpriv->pci_dev); } -- 2.7.4