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staging: comedi: cb_pcimdas: remove BADR0 from the private data

PATCH In review H Hartley Sweeten 1 participant 1 message Jul 19, 2012 Staging

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PATCH 54/90 staging: comedi: cb_pcimdas: remove BADR0 from the private data

The pci resource bar 0 address is only used as a "flag" to let the datach function know that the pci device has been enabled. Use dev->iobase in the detach instead and remove BADR0 from the private data.

Cc Ian Abbott <[email protected]>
Cc Greg Kroah-Hartman <[email protected]>
---
 drivers/staging/comedi/drivers/cb_pcimdas.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)
drivers/staging/comedi/drivers/cb_pcimdas.c +1 -4
index 4312e9b..ce08533 100644
@@ -56,7 +56,6 @@ See http://www.mccdaq.com/PDFs/Manuals/pcim-das1602-16.pdf for more details.
 /* Registers for the PCIM-DAS1602/16 */
 
 /* sizes of io regions (bytes) */
-#define BADR0_SIZE 2		/* ?? */
 #define BADR3_SIZE 16
 
 /* DAC Offsets */
@@ -135,7 +134,6 @@ struct cb_pcimdas_private {
 	struct pci_dev *pci_dev;
 
 	/* base addresses */
-	unsigned long BADR0;
 	unsigned long BADR3;
 
 	/* Used for AO readback */
@@ -230,7 +228,6 @@ static int cb_pcimdas_attach(struct comedi_device *dev,
 		return -EIO;
 	}
 
-	devpriv->BADR0 = pci_resource_start(devpriv->pci_dev, 0);
 	dev->iobase = pci_resource_start(devpriv->pci_dev, 2);
 	devpriv->BADR3 = pci_resource_start(devpriv->pci_dev, 3);
 	iobase_8255 = pci_resource_start(devpriv->pci_dev, 4);
@@ -290,7 +287,7 @@ static void cb_pcimdas_detach(struct comedi_device *dev)
 		free_irq(dev->irq, dev);
 	if (devpriv) {
 		if (devpriv->pci_dev) {
-			if (devpriv->BADR0)
+			if (dev->iobase)
 				comedi_pci_disable(devpriv->pci_dev);
 			pci_dev_put(devpriv->pci_dev);
 		}
Signature · 1 line
1.7.11