rb532: check the link status with a timer

SVN-Revision: 15765

diff --git a/target/linux/rb532/patches-2.6.28/100-check_media.patch b/target/linux/rb532/patches-2.6.28/100-check_media.patch
new file mode 100644 (file)
index 0000000..4180c62
--- /dev/null
+++ b/target/linux/rb532/patches-2.6.28/100-check_media.patch
@@ -0,0 +1,51 @@
+--- a/drivers/net/korina.c
++++ b/drivers/net/korina.c
+@@ -133,6 +133,7 @@ struct korina_private {
+       int dma_halt_cnt;
+       int dma_run_cnt;
+       struct napi_struct napi;
++      struct timer_list media_check_timer;
+       struct mii_if_info mii_if;
+       struct net_device *dev;
+       int phy_addr;
+@@ -663,6 +664,15 @@ static void korina_check_media(struct ne
+                                               &lp->eth_regs->ethmac2);
+ }
+ 
++static void korina_poll_media(unsigned long data)
++{
++      struct net_device *dev = (struct net_device *) data;
++      struct korina_private *lp = netdev_priv(dev);
++
++      korina_check_media(dev, 0);
++      mod_timer(&lp->media_check_timer, jiffies + HZ);
++}
++
+ static void korina_set_carrier(struct mii_if_info *mii)
+ {
+       if (mii->force_media) {
+@@ -1034,6 +1044,7 @@ static int korina_open(struct net_device
+                   dev->name, lp->und_irq);
+               goto err_free_ovr_irq;
+       }
++      mod_timer(&lp->media_check_timer, jiffies + 1);
+ out:
+       return ret;
+ 
+@@ -1053,6 +1064,8 @@ static int korina_close(struct net_devic
+       struct korina_private *lp = netdev_priv(dev);
+       u32 tmp;
+ 
++      del_timer(&lp->media_check_timer);
++
+       /* Disable interrupts */
+       disable_irq(lp->rx_irq);
+       disable_irq(lp->tx_irq);
+@@ -1177,6 +1190,7 @@ static int korina_probe(struct platform_
+                       ": cannot register net device %d\n", rc);
+               goto probe_err_register;
+       }
++      setup_timer(&lp->media_check_timer, korina_poll_media, (unsigned long) dev);
+ out:
+       return rc;
+