vxge: Removed ioremap of unused bar addresses and their references

- Removed ioremap of bar1 address
  Driver needs only bar0 address for register access
- Removed references to bar1 and bar2 addresses

Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: Ramkrishna Vepa <ram.vepa@neterion.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 10 insertions, 45 deletions

diff --git a/drivers/net/vxge/vxge-config.c b/drivers/net/vxge/vxge-config.c
index 58d2551c78ed..9e94c4b0fb18 100644
--- a/drivers/net/vxge/vxge-config.c
+++ b/drivers/net/vxge/vxge-config.c
@@ -313,14 +313,6 @@ __vxge_hw_device_reg_addr_get(struct __vxge_hw_device *hldev)
                 hldev->kdfc = (u8 __iomem *)(hldev->bar0 +
                         VXGE_HW_TOC_GET_KDFC_INITIAL_OFFSET(val64));
                 break;
-        case 2:
-                hldev->kdfc = (u8 __iomem *)(hldev->bar1 +
-                        VXGE_HW_TOC_GET_KDFC_INITIAL_OFFSET(val64));
-                break;
-        case 4:
-                hldev->kdfc = (u8 __iomem *)(hldev->bar2 +
-                        VXGE_HW_TOC_GET_KDFC_INITIAL_OFFSET(val64));
-                break;
         default:
                 break;
         }
@@ -831,8 +823,6 @@ vxge_hw_device_initialize(
                 sizeof(struct vxge_hw_device_config));
 
         hldev->bar0 = attr->bar0;
-        hldev->bar1 = attr->bar1;
-        hldev->bar2 = attr->bar2;
         hldev->pdev = attr->pdev;
 
         hldev->uld_callbacks.link_up = attr->uld_callbacks.link_up;
diff --git a/drivers/net/vxge/vxge-config.h b/drivers/net/vxge/vxge-config.h
index afbdf6f4d224..224acea771ed 100644
--- a/drivers/net/vxge/vxge-config.h
+++ b/drivers/net/vxge/vxge-config.h
@@ -682,8 +682,6 @@ struct __vxge_hw_vpath_handle{
  * @major_revision: PCI Device major revision
  * @minor_revision: PCI Device minor revision
  * @bar0: BAR0 virtual address.
- * @bar1: BAR1 virtual address.
- * @bar2: BAR2 virtual address.
  * @pdev: Physical device handle
  * @config: Confguration passed by the LL driver at initialization
  * @link_state: Link state
@@ -698,8 +696,6 @@ struct __vxge_hw_device {
         u8                              major_revision;
         u8                              minor_revision;
         void __iomem                    *bar0;
-        void __iomem                    *bar1;
-        void __iomem                    *bar2;
         struct pci_dev                  *pdev;
         struct net_device               *ndev;
         struct vxge_hw_device_config    config;
@@ -788,17 +784,13 @@ struct vxge_hw_device_hw_info {
 /**
  * struct vxge_hw_device_attr - Device memory spaces.
  * @bar0: BAR0 virtual address.
- * @bar1: BAR1 virtual address.
- * @bar2: BAR2 virtual address.
  * @pdev: PCI device object.
  *
- * Device memory spaces. Includes configuration, BAR0, BAR1, etc. per device
+ * Device memory spaces. Includes configuration, BAR0 etc. per device
  * mapped memories. Also, includes a pointer to OS-specific PCI device object.
  */
 struct vxge_hw_device_attr {
         void __iomem            *bar0;
-        void __iomem            *bar1;
-        void __iomem            *bar2;
         struct pci_dev          *pdev;
         struct vxge_hw_uld_cbs  uld_callbacks;
 };
diff --git a/drivers/net/vxge/vxge-main.c b/drivers/net/vxge/vxge-main.c
index fd0ebf78bead..8a3c7b327cf6 100644
--- a/drivers/net/vxge/vxge-main.c
+++ b/drivers/net/vxge/vxge-main.c
@@ -4152,18 +4152,6 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
                 attr.bar0,
                 (unsigned long long)pci_resource_start(pdev, 0));
 
-        attr.bar1 = pci_ioremap_bar(pdev, 2);
-        if (!attr.bar1) {
-                vxge_debug_init(VXGE_ERR,
-                        "%s : cannot remap io memory bar2", __func__);
-                ret = -ENODEV;
-                goto _exit3;
-        }
-        vxge_debug_ll_config(VXGE_TRACE,
-                "pci ioremap bar1: %p:0x%llx",
-                attr.bar1,
-                (unsigned long long)pci_resource_start(pdev, 2));
-
         status = vxge_hw_device_hw_info_get(attr.bar0,
                         &ll_config.device_hw_info);
         if (status != VXGE_HW_OK) {
@@ -4171,7 +4159,7 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
                         "%s: Reading of hardware info failed."
                         "Please try upgrading the firmware.", VXGE_DRIVER_NAME);
                 ret = -EINVAL;
-                goto _exit4;
+                goto _exit3;
         }
 
         if (ll_config.device_hw_info.fw_version.major !=
@@ -4181,7 +4169,7 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
                         ll_config.device_hw_info.fw_version.major,
                         VXGE_DRIVER_VERSION_MAJOR);
                 ret = -EINVAL;
-                goto _exit4;
+                goto _exit3;
         }
 
         vpath_mask = ll_config.device_hw_info.vpath_mask;
@@ -4189,7 +4177,7 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
                 vxge_debug_ll_config(VXGE_TRACE,
                         "%s: No vpaths available in device", VXGE_DRIVER_NAME);
                 ret = -EINVAL;
-                goto _exit4;
+                goto _exit3;
         }
 
         vxge_debug_ll_config(VXGE_TRACE,
@@ -4222,7 +4210,7 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
                 vxge_debug_ll_config(VXGE_ERR,
                         "%s: No more vpaths to configure", VXGE_DRIVER_NAME);
                 ret = 0;
-                goto _exit4;
+                goto _exit3;
         }
 
         /* Setting driver callbacks */
@@ -4235,7 +4223,7 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
                 vxge_debug_init(VXGE_ERR,
                         "Failed to initialize device (%d)", status);
                         ret = -EINVAL;
-                        goto _exit4;
+                        goto _exit3;
         }
 
         vxge_hw_device_debug_set(hldev, VXGE_ERR, VXGE_COMPONENT_LL);
@@ -4260,7 +4248,7 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
         if (vxge_device_register(hldev, &ll_config, high_dma, no_of_vpath,
                 &vdev)) {
                 ret = -EINVAL;
-                goto _exit5;
+                goto _exit4;
         }
 
         vxge_hw_device_debug_set(hldev, VXGE_TRACE, VXGE_COMPONENT_LL);
@@ -4271,7 +4259,6 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
         hldev->ndev = vdev->ndev;
         vdev->mtu = VXGE_HW_DEFAULT_MTU;
         vdev->bar0 = attr.bar0;
-        vdev->bar1 = attr.bar1;
         vdev->max_vpath_supported = max_vpath_supported;
         vdev->no_of_vpath = no_of_vpath;
 
@@ -4353,7 +4340,7 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
                                 "%s: mac_addr_list : memory allocation failed",
                                 vdev->ndev->name);
                         ret = -EPERM;
-                        goto _exit6;
+                        goto _exit5;
                 }
                 macaddr = (u8 *)&entry->macaddr;
                 memcpy(macaddr, vdev->ndev->dev_addr, ETH_ALEN);
@@ -4370,16 +4357,14 @@ vxge_probe(struct pci_dev *pdev, const struct pci_device_id *pre)
 
         return 0;
 
-_exit6:
+_exit5:
         for (i = 0; i < vdev->no_of_vpath; i++)
                 vxge_free_mac_add_list(&vdev->vpaths[i]);
 
         vxge_device_unregister(hldev);
-_exit5:
+_exit4:
         pci_disable_sriov(pdev);
         vxge_hw_device_terminate(hldev);
-_exit4:
-        iounmap(attr.bar1);
 _exit3:
         iounmap(attr.bar0);
 _exit2:
@@ -4438,7 +4423,6 @@ vxge_remove(struct pci_dev *pdev)
         kfree(vdev->vpaths);
 
         iounmap(vdev->bar0);
-        iounmap(vdev->bar1);
 
         pci_disable_sriov(pdev);
 
diff --git a/drivers/net/vxge/vxge-main.h b/drivers/net/vxge/vxge-main.h
index 9704b2bd4320..3386970b7efc 100644
--- a/drivers/net/vxge/vxge-main.h
+++ b/drivers/net/vxge/vxge-main.h
@@ -363,7 +363,6 @@ struct vxgedev {
 
         struct __vxge_hw_vpath_handle *vp_handles[VXGE_HW_MAX_VIRTUAL_PATHS];
         void __iomem *bar0;
-        void __iomem *bar1;
         struct vxge_sw_stats    stats;
         int             mtu;
         /* Below variables are used for vpath selection to transmit a packet */