ixp4xx: add support for linux 3.3.1
[openwrt.git] / target / linux / brcm47xx / patches-3.0 / 210-b44_phy_fix.patch
1 --- a/drivers/net/b44.c
2 +++ b/drivers/net/b44.c
3 @@ -411,10 +411,41 @@ static void b44_wap54g10_workaround(stru
4  error:
5         pr_warning("PHY: cannot reset MII transceiver isolate bit\n");
6  }
7 +
8 +static inline int startswith (const char *source, const char *cmp) 
9 +{ 
10 +       return !strncmp(source,cmp,strlen(cmp)); 
11 +}
12 +
13 +static inline void b44_bcm47xx_workarounds(struct b44 *bp)
14 +{
15 +       char buf[20];
16 +       /* Toshiba WRC-1000, Siemens SE505 v1, Askey RT-210W, RT-220W */
17 +       if (nvram_getenv("boardnum", buf, sizeof(buf)) > 0)
18 +               return;
19 +       if (simple_strtoul(buf, NULL, 0) == 100) {
20 +               bp->phy_addr = B44_PHY_ADDR_NO_PHY;
21 +       } else {
22 +               /* WL-HDD */
23 +               struct ssb_device *sdev = bp->sdev;
24 +               if (nvram_getenv("hardware_version", buf, sizeof(buf)) > 0)
25 +                       return;
26 +               if (startswith(buf, "WL300-")) {
27 +                       if (sdev->bus->sprom.et0phyaddr == 0 &&
28 +                           sdev->bus->sprom.et1phyaddr == 1)
29 +                               bp->phy_addr = B44_PHY_ADDR_NO_PHY;
30 +               }
31 +       }
32 +       return;
33 +}
34  #else
35  static inline void b44_wap54g10_workaround(struct b44 *bp)
36  {
37  }
38 +
39 +static inline void b44_bcm47xx_workarounds(struct b44 *bp)
40 +{
41 +}
42  #endif
43  
44  static int b44_setup_phy(struct b44 *bp)
45 @@ -423,6 +454,7 @@ static int b44_setup_phy(struct b44 *bp)
46         int err;
47  
48         b44_wap54g10_workaround(bp);
49 +       b44_bcm47xx_workarounds(bp);
50  
51         if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
52                 return 0;
53 @@ -2089,6 +2121,8 @@ static int __devinit b44_get_invariants(
54          * valid PHY address. */
55         bp->phy_addr &= 0x1F;
56  
57 +       b44_bcm47xx_workarounds(bp);
58 +
59         memcpy(bp->dev->dev_addr, addr, 6);
60  
61         if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){