brcm47xx: initial support for kernel 3.18

[openwrt/openwrt.git] / target / linux / brcm47xx / patches-3.18 / 210-b44_phy_fix.patch

diff --git a/target/linux/brcm47xx/patches-3.18/210-b44_phy_fix.patch b/target/linux/brcm47xx/patches-3.18/210-b44_phy_fix.patch
new file mode 100644 (file)
index 0000000..86bbfaa
--- /dev/null
+++ b/target/linux/brcm47xx/patches-3.18/210-b44_phy_fix.patch
@@ -0,0 +1,54 @@
+--- a/drivers/net/ethernet/broadcom/b44.c
++++ b/drivers/net/ethernet/broadcom/b44.c
+@@ -431,10 +431,34 @@ static void b44_wap54g10_workaround(stru
+ error:
+       pr_warn("PHY: cannot reset MII transceiver isolate bit\n");
+ }
++
++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 (sdev->bus->sprom.board_num == 100) {
++              bp->phy_addr = B44_PHY_ADDR_NO_LOCAL_PHY;
++      } else {
++              /* WL-HDD */
++              if (bcm47xx_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_LOCAL_PHY;
++              }
++      }
++      return;
++}
+ #else
+ static inline void b44_wap54g10_workaround(struct b44 *bp)
+ {
+ }
++
++static inline void b44_bcm47xx_workarounds(struct b44 *bp)
++{
++}
+ #endif
+ 
+ static int b44_setup_phy(struct b44 *bp)
+@@ -443,6 +467,7 @@ static int b44_setup_phy(struct b44 *bp)
+       int err;
+ 
+       b44_wap54g10_workaround(bp);
++      b44_bcm47xx_workarounds(bp);
+ 
+       if (bp->flags & B44_FLAG_EXTERNAL_PHY)
+               return 0;
+@@ -2169,6 +2194,8 @@ static int b44_get_invariants(struct b44
+        * valid PHY address. */
+       bp->phy_addr &= 0x1F;
+ 
++      b44_bcm47xx_workarounds(bp);
++
+       memcpy(bp->dev->dev_addr, addr, ETH_ALEN);
+ 
+       if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){