igb: Support ports mapped in 64-bit PCI space
This patch resolves an issue with 64-bit PCI addresses being truncated
because the return values of pci_resource_start() and pci_resource_end()
were being cast to unsigned long.
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 6da479b..ed129f1 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -2022,7 +2022,6 @@
s32 ret_val;
static int global_quad_port_a; /* global quad port a indication */
const struct e1000_info *ei = igb_info_tbl[ent->driver_data];
- unsigned long mmio_start, mmio_len;
int err, pci_using_dac;
u8 part_str[E1000_PBANUM_LENGTH];
@@ -2079,11 +2078,8 @@
hw->back = adapter;
adapter->msg_enable = netif_msg_init(debug, DEFAULT_MSG_ENABLE);
- mmio_start = pci_resource_start(pdev, 0);
- mmio_len = pci_resource_len(pdev, 0);
-
err = -EIO;
- hw->hw_addr = ioremap(mmio_start, mmio_len);
+ hw->hw_addr = pci_iomap(pdev, 0, 0);
if (!hw->hw_addr)
goto err_ioremap;
@@ -2093,8 +2089,8 @@
strncpy(netdev->name, pci_name(pdev), sizeof(netdev->name) - 1);
- netdev->mem_start = mmio_start;
- netdev->mem_end = mmio_start + mmio_len;
+ netdev->mem_start = pci_resource_start(pdev, 0);
+ netdev->mem_end = pci_resource_end(pdev, 0);
/* PCI config space info */
hw->vendor_id = pdev->vendor;