Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6

[linux-2.6-omap-h63xx.git] / drivers / net / tg3.c

diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 5e2dbaee125bcc1b520960dcbb6fe74623989a42..8b3f8468538794ff08c66b616a7bcdd848a127e2 100644 (file)
--- 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.