Fix b44 phyaddr by applying the PHY-address mask. Closes #3712

 - Adapted from patch by Michael Buesch on the linux-netdev mailing list.

SVN-Revision: 10649

diff --git a/target/linux/brcm47xx/patches-2.6.23/121-fix_b44_phyaddr.patch b/target/linux/brcm47xx/patches-2.6.23/121-fix_b44_phyaddr.patch
new file mode 100644 (file)
index 0000000..c93d517
--- /dev/null
+++ b/target/linux/brcm47xx/patches-2.6.23/121-fix_b44_phyaddr.patch
@@ -0,0 +1,15 @@
+Index: linux-2.6.23.16/drivers/net/b44.c
+===================================================================
+--- linux-2.6.23.16.orig/drivers/net/b44.c     2008-03-22 19:52:40.000000000 -0700
++++ linux-2.6.23.16/drivers/net/b44.c  2008-03-22 19:52:41.000000000 -0700
+@@ -2273,6 +2273,10 @@
+              bp->phy_addr = sdev->bus->sprom.et1phyaddr;
+              break;
+       }
++      /* Some ROMs have buggy PHY addresses with the high
++       * bits set (sign extension?). Truncate them to a
++       * valid PHY address. */
++      bp->phy_addr &= 0x1F;
+ 
+       memcpy(bp->dev->dev_addr, addr, 6);
+