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-rw-r--r--target/linux/brcm47xx/patches-2.6.23/121-fix_b44_phyaddr.patch15
1 files changed, 15 insertions, 0 deletions
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);
+