package/mac80211/patches/475-ath5k_fix_ar5312_5ghz_cap.patch

   1 --- a/drivers/net/wireless/ath/ath5k/base.h
   2 +++ b/drivers/net/wireless/ath/ath5k/base.h
   3 @@ -193,12 +193,13 @@ struct ath5k_softc {
   4         dma_addr_t              desc_daddr;     /* DMA (physical) address */
   5         size_t                  desc_len;       /* size of TX/RX descriptors */
   6
   7 -       DECLARE_BITMAP(status, 5);
   8 +       DECLARE_BITMAP(status, 6);
   9  #define ATH_STAT_INVALID       0               /* disable hardware accesses */
  10  #define ATH_STAT_MRRETRY       1               /* multi-rate retry support */
  11  #define ATH_STAT_PROMISC       2
  12  #define ATH_STAT_LEDSOFT       3               /* enable LED gpio status */
  13  #define ATH_STAT_STARTED       4               /* opened & irqs enabled */
  14 +#define ATH_STAT_2G_DISABLED   5               /* multiband radio without 2G */
  15
  16         unsigned int            filter_flags;   /* HW flags, AR5K_RX_FILTER_* */
  17         struct ieee80211_channel *curchan;      /* current h/w channel */
  18 --- a/drivers/net/wireless/ath/ath5k/ahb.c
  19 +++ b/drivers/net/wireless/ath/ath5k/ahb.c
  20 @@ -160,6 +160,16 @@ static int ath_ahb_probe(struct platform
  21                 else
  22                         reg |= AR5K_AR5312_ENABLE_WLAN1;
  23                 __raw_writel(reg, (void __iomem *) AR5K_AR5312_ENABLE);
  24 +
  25 +               /*
  26 +                * On a dual-band AR5312, the multiband radio is only
  27 +                * used as pass-through. Disable 2 GHz support in the
  28 +                * driver for it
  29 +                */
  30 +               if (to_platform_device(sc->dev)->id == 0 &&
  31 +                   (bcfg->config->flags & (BD_WLAN0|BD_WLAN1)) ==
  32 +                    (BD_WLAN1|BD_WLAN0))
  33 +                       __set_bit(ATH_STAT_2G_DISABLED, sc->status);
  34         }
  35
  36         ret = ath5k_init_softc(sc, &ath_ahb_bus_ops);
  37 --- a/drivers/net/wireless/ath/ath5k/attach.c
  38 +++ b/drivers/net/wireless/ath/ath5k/attach.c
  39 @@ -313,6 +313,11 @@ int ath5k_hw_init(struct ath5k_softc *sc
  40                 goto err;
  41         }
  42
  43 +       if (test_bit(ATH_STAT_2G_DISABLED, sc->status)) {
  44 +               __clear_bit(AR5K_MODE_11B, ah->ah_capabilities.cap_mode);
  45 +               __clear_bit(AR5K_MODE_11G, ah->ah_capabilities.cap_mode);
  46 +       }
  47 +
  48         /* Crypto settings */
  49         common->keymax = (sc->ah->ah_version == AR5K_AR5210 ?
  50                           AR5K_KEYTABLE_SIZE_5210 : AR5K_KEYTABLE_SIZE_5211);