From b07998cf11e61d6dd37d236d2980d864a6705e5e Mon Sep 17 00:00:00 2001
From: Hauke Mehrtens <hauke@hauke-m.de>
Date: Tue, 24 Apr 2012 20:35:46 +0000
Subject: [PATCH] brcm47xx: b44 fix workaround detection on some brcm47xx
 boards

Because of api change of nvram_getenv, the workaround failed to detect the hardware.

Based on patch by b.sander

Fixes #11268.

SVN-Revision: 31470
---
 .../patches-3.2/210-b44_phy_fix.patch         | 25 +++++++------------
 1 file changed, 9 insertions(+), 16 deletions(-)

diff --git a/target/linux/brcm47xx/patches-3.2/210-b44_phy_fix.patch b/target/linux/brcm47xx/patches-3.2/210-b44_phy_fix.patch
index d9cf29f6e5..2d0536552a 100644
--- a/target/linux/brcm47xx/patches-3.2/210-b44_phy_fix.patch
+++ b/target/linux/brcm47xx/patches-3.2/210-b44_phy_fix.patch
@@ -1,29 +1,22 @@
 --- a/drivers/net/ethernet/broadcom/b44.c
 +++ b/drivers/net/ethernet/broadcom/b44.c
-@@ -410,10 +410,41 @@ static void b44_wap54g10_workaround(stru
+@@ -410,10 +410,34 @@ static void b44_wap54g10_workaround(stru
  error:
  	pr_warning("PHY: cannot reset MII transceiver isolate bit\n");
  }
 +
-+static inline int startswith (const char *source, const char *cmp) 
-+{ 
-+       return !strncmp(source,cmp,strlen(cmp)); 
-+}
-+
-+static inline void b44_bcm47xx_workarounds(struct b44 *bp)
++static void b44_bcm47xx_workarounds(struct b44 *bp)
 +{
 +	char buf[20];
++	struct ssb_device *sdev = bp->sdev;
++
 +	/* Toshiba WRC-1000, Siemens SE505 v1, Askey RT-210W, RT-220W */
-+	if (nvram_getenv("boardnum", buf, sizeof(buf)) > 0)
-+		return;
-+	if (simple_strtoul(buf, NULL, 0) == 100) {
++	if (sdev->bus->sprom.board_num == 100) {
 +		bp->phy_addr = B44_PHY_ADDR_NO_PHY;
 +	} else {
 +		/* WL-HDD */
-+		struct ssb_device *sdev = bp->sdev;
-+		if (nvram_getenv("hardware_version", buf, sizeof(buf)) > 0)
-+			return;
-+		if (startswith(buf, "WL300-")) {
++		if (nvram_getenv("hardware_version", buf, sizeof(buf)) >= 0 &&
++		    !strncmp(buf, "WL300-", strlen("WL300-"))) {
 +			if (sdev->bus->sprom.et0phyaddr == 0 &&
 +			    sdev->bus->sprom.et1phyaddr == 1)
 +				bp->phy_addr = B44_PHY_ADDR_NO_PHY;
@@ -42,7 +35,7 @@
  #endif
  
  static int b44_setup_phy(struct b44 *bp)
-@@ -422,6 +453,7 @@ static int b44_setup_phy(struct b44 *bp)
+@@ -422,6 +446,7 @@ static int b44_setup_phy(struct b44 *bp)
  	int err;
  
  	b44_wap54g10_workaround(bp);
@@ -50,7 +43,7 @@
  
  	if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
  		return 0;
-@@ -2088,6 +2120,8 @@ static int __devinit b44_get_invariants(
+@@ -2088,6 +2113,8 @@ static int __devinit b44_get_invariants(
  	 * valid PHY address. */
  	bp->phy_addr &= 0x1F;