target/linux/brcm47xx/patches-2.6.36/210-b44_phy_fix.patch

   1 --- a/drivers/net/b44.c
   2 +++ b/drivers/net/b44.c
   3 @@ -381,11 +381,12 @@ static void b44_set_flow_ctrl(struct b44
   4         __b44_set_flow_ctrl(bp, pause_enab);
   5  }
   6
   7 -#ifdef SSB_DRIVER_MIPS
   8 -extern char *nvram_get(char *name);
   9 +#ifdef CONFIG_BCM47XX
  10 +
  11 +#include <asm/mach-bcm47xx/nvram.h>
  12  static void b44_wap54g10_workaround(struct b44 *bp)
  13  {
  14 -       const char *str;
  15 +       char buf[20];
  16         u32 val;
  17         int err;
  18
  19 @@ -394,10 +395,9 @@ static void b44_wap54g10_workaround(stru
  20          * see https://dev.openwrt.org/ticket/146
  21          * check and reset bit "isolate"
  22          */
  23 -       str = nvram_get("boardnum");
  24 -       if (!str)
  25 +       if (nvram_getenv("boardnum", buf, sizeof(buf)) > 0)
  26                 return;
  27 -       if (simple_strtoul(str, NULL, 0) == 2) {
  28 +       if (simple_strtoul(buf, NULL, 0) == 2) {
  29                 err = __b44_readphy(bp, 0, MII_BMCR, &val);
  30                 if (err)
  31                         goto error;
  32 @@ -412,10 +412,43 @@ static void b44_wap54g10_workaround(stru
  33  error:
  34         pr_warning("PHY: cannot reset MII transceiver isolate bit\n");
  35  }
  36 +
  37 +static inline int startswith (const char *source, const char *cmp)
  38 +{
  39 +       return !strncmp(source,cmp,strlen(cmp));
  40 +}
  41 +
  42 +static inline void b44_bcm47xx_workarounds(struct b44 *bp)
  43 +{
  44 +       char buf[20];
  45 +       /* Toshiba WRC-1000, Siemens SE505 v1, Askey RT-210W, RT-220W */
  46 +       if (nvram_getenv("boardnum", buf, sizeof(buf)) > 0)
  47 +               return;
  48 +       if (simple_strtoul(buf, NULL, 0) == 100) {
  49 +               bp->phy_addr = B44_PHY_ADDR_NO_PHY;
  50 +       } else {
  51 +               /* WL-HDD */
  52 +               struct ssb_device *sdev = bp->sdev;
  53 +               if (nvram_getenv("hardware_version", buf, sizeof(buf)) > 0)
  54 +                       return;
  55 +               if (startswith(buf, "WL300-")) {
  56 +                       if (sdev->bus->sprom.et0phyaddr == 0 &&
  57 +                           sdev->bus->sprom.et1phyaddr == 1)
  58 +                               bp->phy_addr = B44_PHY_ADDR_NO_PHY;
  59 +               }
  60 +       }
  61 +       return;
  62 +}
  63 +
  64  #else
  65 +
  66  static inline void b44_wap54g10_workaround(struct b44 *bp)
  67  {
  68  }
  69 +
  70 +static inline void b44_bcm47xx_workarounds(struct b44 *bp)
  71 +{
  72 +}
  73  #endif
  74
  75  static int b44_setup_phy(struct b44 *bp)
  76 @@ -424,6 +457,7 @@ static int b44_setup_phy(struct b44 *bp)
  77         int err;
  78
  79         b44_wap54g10_workaround(bp);
  80 +       b44_bcm47xx_workarounds(bp);
  81
  82         if (bp->phy_addr == B44_PHY_ADDR_NO_PHY)
  83                 return 0;
  84 @@ -2089,6 +2123,8 @@ static int __devinit b44_get_invariants(
  85          * valid PHY address. */
  86         bp->phy_addr &= 0x1F;
  87
  88 +       b44_bcm47xx_workarounds(bp);
  89 +
  90         memcpy(bp->dev->dev_addr, addr, 6);
  91
  92         if (!is_valid_ether_addr(&bp->dev->dev_addr[0])){