From 903bb917fc11e4605dc0902af4ea776ba0bb06f9 Mon Sep 17 00:00:00 2001
From: Andy Boyett <agb@openwrt.org>
Date: Sun, 23 Mar 2008 04:27:04 +0000
Subject: [PATCH] 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
---
 .../patches-2.6.23/121-fix_b44_phyaddr.patch      | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 target/linux/brcm47xx/patches-2.6.23/121-fix_b44_phyaddr.patch

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
index 0000000000..c93d517923
--- /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);
+ 
-- 
2.30.2