1 files changed, 50 insertions, 31 deletions

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 5e2dbaee125b..8b3f84685387 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -7535,11 +7535,58 @@ static int tg3_test_msi(struct tg3 *tp)
         return err;
 }
 
+static int tg3_request_firmware(struct tg3 *tp)
+{
+        const __be32 *fw_data;
+
+        if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) {
+                printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n",
+                       tp->dev->name, tp->fw_needed);
+                return -ENOENT;
+        }
+
+        fw_data = (void *)tp->fw->data;
+
+        /* Firmware blob starts with version numbers, followed by
+         * start address and _full_ length including BSS sections
+         * (which must be longer than the actual data, of course
+         */
+
+        tp->fw_len = be32_to_cpu(fw_data[2]);   /* includes bss */
+        if (tp->fw_len < (tp->fw->size - 12)) {
+                printk(KERN_ERR "%s: bogus length %d in \"%s\"\n",
+                       tp->dev->name, tp->fw_len, tp->fw_needed);
+                release_firmware(tp->fw);
+                tp->fw = NULL;
+                return -EINVAL;
+        }
+
+        /* We no longer need firmware; we have it. */
+        tp->fw_needed = NULL;
+        return 0;
+}
+
 static int tg3_open(struct net_device *dev)
 {
         struct tg3 *tp = netdev_priv(dev);
         int err;
 
+        if (tp->fw_needed) {
+                err = tg3_request_firmware(tp);
+                if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) {
+                        if (err)
+                                return err;
+                } else if (err) {
+                        printk(KERN_WARNING "%s: TSO capability disabled.\n",
+                               tp->dev->name);
+                        tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
+                } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) {
+                        printk(KERN_NOTICE "%s: TSO capability restored.\n",
+                               tp->dev->name);
+                        tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
+                }
+        }
+
         netif_carrier_off(tp->dev);
 
         err = tg3_set_power_state(tp, PCI_D0);
@@ -12934,7 +12981,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
         struct net_device *dev;
         struct tg3 *tp;
         int err, pm_cap;
-        const char *fw_name = NULL;
         char str[40];
         u64 dma_mask, persist_dma_mask;
 
@@ -13091,7 +13137,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
         tg3_init_bufmgr_config(tp);
 
         if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0)
-                fw_name = FIRMWARE_TG3;
+                tp->fw_needed = FIRMWARE_TG3;
 
         if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) {
                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE;
@@ -13104,37 +13150,10 @@ static int __devinit tg3_init_one(struct pci_dev *pdev,
                 tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE;
         } else {
                 tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG;
-        }
-        if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) {
                 if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705)
-                        fw_name = FIRMWARE_TG3TSO5;
+                        tp->fw_needed = FIRMWARE_TG3TSO5;
                 else
-                        fw_name = FIRMWARE_TG3TSO;
-        }
-
-        if (fw_name) {
-                const __be32 *fw_data;
-
-                err = request_firmware(&tp->fw, fw_name, &tp->pdev->dev);
-                if (err) {
-                        printk(KERN_ERR "tg3: Failed to load firmware \"%s\"\n",
-                               fw_name);
-                        goto err_out_iounmap;
-                }
-
-                fw_data = (void *)tp->fw->data;
-
-                /* Firmware blob starts with version numbers, followed by
-                   start address and _full_ length including BSS sections
-                   (which must be longer than the actual data, of course */
-
-                tp->fw_len = be32_to_cpu(fw_data[2]);   /* includes bss */
-                if (tp->fw_len < (tp->fw->size - 12)) {
-                        printk(KERN_ERR "tg3: bogus length %d in \"%s\"\n",
-                               tp->fw_len, fw_name);
-                        err = -EINVAL;
-                        goto err_out_fw;
-                }
+                        tp->fw_needed = FIRMWARE_TG3TSO;
         }
 
         /* TSO is on by default on chips that support hardware TSO.