Merge SCSI misc branch into isci-for-3.6 tag
[firefly-linux-kernel-4.4.55.git] / drivers / staging / comedi / drivers / rtd520.c
index 112fdc3e9c69dddcf64c322194b3d4a3d275b6bf..5aa8be1e7b9217cb6027d3652e134a3f17f1b300 100644 (file)
@@ -1619,9 +1619,8 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
        struct rtdPrivate *devpriv;
        struct pci_dev *pcidev;
        struct comedi_subdevice *s;
+       resource_size_t pci_base;
        int ret;
-       resource_size_t physLas1;       /* data area */
-       resource_size_t physLcfg;       /* PLX9080 */
 #ifdef USE_DMA
        int index;
 #endif
@@ -1655,20 +1654,15 @@ static int rtd_attach(struct comedi_device *dev, struct comedi_devconfig *it)
                printk(KERN_INFO "Failed to enable PCI device and request regions.\n");
                return ret;
        }
-
-       /*
-        * Initialize base addresses
-        */
-       /* Get the physical address from PCI config */
-       dev->iobase = pci_resource_start(pcidev, LAS0_PCIINDEX);
-       physLas1 = pci_resource_start(pcidev, LAS1_PCIINDEX);
-       physLcfg = pci_resource_start(pcidev, LCFG_PCIINDEX);
-       /* Now have the kernel map this into memory */
-       /* ASSUME page aligned */
-       devpriv->las0 = ioremap_nocache(dev->iobase, LAS0_PCISIZE);
-       devpriv->las1 = ioremap_nocache(physLas1, LAS1_PCISIZE);
-       devpriv->lcfg = ioremap_nocache(physLcfg, LCFG_PCISIZE);
-
+       dev->iobase = 1;        /* the "detach" needs this */
+
+       /* Initialize the base addresses */
+       pci_base = pci_resource_start(pcidev, LAS0_PCIINDEX);
+       devpriv->las0 = ioremap_nocache(pci_base, LAS0_PCISIZE);
+       pci_base = pci_resource_start(pcidev, LAS1_PCIINDEX);
+       devpriv->las1 = ioremap_nocache(pci_base, LAS1_PCISIZE);
+       pci_base = pci_resource_start(pcidev, LCFG_PCIINDEX);
+       devpriv->lcfg = ioremap_nocache(pci_base, LCFG_PCISIZE);
        if (!devpriv->las0 || !devpriv->las1 || !devpriv->lcfg)
                return -ENOMEM;