add initial 2.6.28 support for brcm47xx target
[openwrt/svn-archive/archive.git] / target / linux / brcm47xx / patches-2.6.28 / 210-b44_phy_fix.patch
diff --git a/target/linux/brcm47xx/patches-2.6.28/210-b44_phy_fix.patch b/target/linux/brcm47xx/patches-2.6.28/210-b44_phy_fix.patch
new file mode 100644 (file)
index 0000000..e526584
--- /dev/null
@@ -0,0 +1,50 @@
+diff --git a/drivers/net/b44.c b/drivers/net/b44.c
+--- a/drivers/net/b44.c
++++ b/drivers/net/b44.c
+@@ -384,7 +384,7 @@ static void b44_set_flow_ctrl(struct b44 *bp, u32 local, u32 remote)
+       __b44_set_flow_ctrl(bp, pause_enab);
+ }
+-#ifdef SSB_DRIVER_MIPS
++#ifdef CONFIG_SSB_DRIVER_MIPS
+ extern char *nvram_get(char *name);
+ static void b44_wap54g10_workaround(struct b44 *bp)
+ {
+@@ -2068,6 +2068,28 @@ out:
+       return err;
+ }
++#ifdef CONFIG_SSB_DRIVER_MIPS
++static void b44_wrtsl54gs_workaround(struct b44 *bp)
++{
++      const char *str;
++
++      /*
++       * workaround for physical wiring in Linksys WRSL54GS
++       * see https://dev.openwrt.org/ticket/2662 and 3903
++       * eth1 PHY is probably on BCM5325 switch accessed via eth0
++       */
++      str = nvram_get("boardnum");
++      if (!str)
++              return;
++      if (simple_strtoul(str, NULL, 0) == 42) {
++              bp->phy_addr = B44_PHY_ADDR_NO_PHY;
++      }
++      return;
++}
++#else
++static void b44_wrtsl54gs_workaround(struct b44 *bp) { }
++#endif
++
+ static int __devinit b44_get_invariants(struct b44 *bp)
+ {
+       struct ssb_device *sdev = bp->sdev;
+@@ -2089,6 +2111,8 @@ static int __devinit b44_get_invariants(struct b44 *bp)
+        * valid PHY address. */
+       bp->phy_addr &= 0x1F;
++      b44_wrtsl54gs_workaround(bp);
++
+       memcpy(bp->dev->dev_addr, addr, 6);
+       if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){