tg3: Detect APE enabled devs earlier

The following patch will require the driver to communicate with the APE
much sooner than before.  This patch make sure the APE registers are
memory mapped and that the ENABLE_APE bit is set before the first use.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit c9cab24e954867a03ab833ea3b4c0e6e607eb0d6)

Signed-off-by: Joe Jin <joe.jin@oracle.com>

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 47ffe8b9ce9d16297bae59a85c8adc245b622d77..6a9ecf8799be14256fce8873afd4879a0093637a 100644 (file)
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -13365,10 +13365,15 @@ static void __devinit tg3_read_fw_ver(struct tg3 *tp)
        else
                return;
 
-       if (!tg3_flag(tp, ENABLE_ASF) || tg3_flag(tp, ENABLE_APE) || vpd_vers)
+       if (vpd_vers)
                goto done;
 
-       tg3_read_mgmtfw_ver(tp);
+       if (tg3_flag(tp, ENABLE_APE)) {
+               if (tg3_flag(tp, ENABLE_ASF))
+                       tg3_read_dash_ver(tp);
+       } else if (tg3_flag(tp, ENABLE_ASF)) {
+               tg3_read_mgmtfw_ver(tp);
+       }
 
 done:
        tp->fw_ver[TG3_VER_SIZE - 1] = 0;
@@ -13890,6 +13895,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
                                 PCISTATE_ALLOW_APE_PSPACE_WR;
                pci_write_config_dword(tp->pdev, TG3PCI_PCISTATE,
                                       pci_state_reg);
+
+               tg3_ape_lock_init(tp);
        }
 
        if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5784 ||
@@ -15002,6 +15009,24 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                goto err_out_free_dev;
        }
 
+       if (tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761 ||
+           tp->pdev->device == PCI_DEVICE_ID_TIGON3_5761E ||
+           tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761S ||
+           tp->pdev->device == TG3PCI_DEVICE_TIGON3_5761SE ||
+           tp->pdev->device == TG3PCI_DEVICE_TIGON3_5717 ||
+           tp->pdev->device == TG3PCI_DEVICE_TIGON3_5718 ||
+           tp->pdev->device == TG3PCI_DEVICE_TIGON3_5719 ||
+           tp->pdev->device == TG3PCI_DEVICE_TIGON3_5720) {
+               tg3_flag_set(tp, ENABLE_APE);
+               tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
+               if (!tp->aperegs) {
+                       dev_err(&pdev->dev,
+                               "Cannot map APE registers, aborting\n");
+                       err = -ENOMEM;
+                       goto err_out_iounmap;
+               }
+       }
+
        tp->rx_pending = TG3_DEF_RX_RING_PENDING;
        tp->rx_jumbo_pending = TG3_DEF_RX_JUMBO_RING_PENDING;
 
@@ -15014,7 +15039,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
        if (err) {
                dev_err(&pdev->dev,
                        "Problem fetching invariants of chip, aborting\n");
-               goto err_out_iounmap;
+               goto err_out_apeunmap;
        }
 
        /* The EPB bridge inside 5714, 5715, and 5780 and any
@@ -15043,7 +15068,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                        if (err < 0) {
                                dev_err(&pdev->dev, "Unable to obtain 64 bit "
                                        "DMA for consistent allocations\n");
-                               goto err_out_iounmap;
+                               goto err_out_apeunmap;
                        }
                }
        }
@@ -15052,7 +15077,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                if (err) {
                        dev_err(&pdev->dev,
                                "No usable DMA configuration, aborting\n");
-                       goto err_out_iounmap;
+                       goto err_out_apeunmap;
                }
        }
 
@@ -15117,22 +15142,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
        if (err) {
                dev_err(&pdev->dev,
                        "Could not obtain valid ethernet address, aborting\n");
-               goto err_out_iounmap;
-       }
-
-       if (tg3_flag(tp, ENABLE_APE)) {
-               tp->aperegs = pci_ioremap_bar(pdev, BAR_2);
-               if (!tp->aperegs) {
-                       dev_err(&pdev->dev,
-                               "Cannot map APE registers, aborting\n");
-                       err = -ENOMEM;
-                       goto err_out_iounmap;
-               }
-
-               tg3_ape_lock_init(tp);
-
-               if (tg3_flag(tp, ENABLE_ASF))
-                       tg3_read_dash_ver(tp);
+               goto err_out_apeunmap;
        }
 
        /*