package/mac80211/patches/520-b43-autodepend-on-hwrandom.patch

   1 This patch is submitted upstream and can be removed when it hits compat-wireless.
   2
   3 --mb
   4
   5
   6
   7 --- a/drivers/net/wireless/b43/b43.h
   8 +++ b/drivers/net/wireless/b43/b43.h
   9 @@ -625,9 +625,11 @@ struct b43_wl {
  10         /* Stats about the wireless interface */
  11         struct ieee80211_low_level_stats ieee_stats;
  12
  13 +#ifdef CONFIG_B43_HWRNG
  14         struct hwrng rng;
  15 -       u8 rng_initialized;
  16 +       bool rng_initialized;
  17         char rng_name[30 + 1];
  18 +#endif /* CONFIG_B43_HWRNG */
  19
  20         /* The RF-kill button */
  21         struct b43_rfkill rfkill;
  22 --- a/drivers/net/wireless/b43/main.c
  23 +++ b/drivers/net/wireless/b43/main.c
  24 @@ -2980,6 +2980,7 @@ static void b43_security_init(struct b43
  25         b43_clear_keys(dev);
  26  }
  27
  28 +#ifdef CONFIG_B43_HWRNG
  29  static int b43_rng_read(struct hwrng *rng, u32 *data)
  30  {
  31         struct b43_wl *wl = (struct b43_wl *)rng->priv;
  32 @@ -2995,17 +2996,21 @@ static int b43_rng_read(struct hwrng *rn
  33
  34         return (sizeof(u16));
  35  }
  36 +#endif /* CONFIG_B43_HWRNG */
  37
  38  static void b43_rng_exit(struct b43_wl *wl)
  39  {
  40 +#ifdef CONFIG_B43_HWRNG
  41         if (wl->rng_initialized)
  42                 hwrng_unregister(&wl->rng);
  43 +#endif /* CONFIG_B43_HWRNG */
  44  }
  45
  46  static int b43_rng_init(struct b43_wl *wl)
  47  {
  48 -       int err;
  49 +       int err = 0;
  50
  51 +#ifdef CONFIG_B43_HWRNG
  52         snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name),
  53                  "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy));
  54         wl->rng.name = wl->rng_name;
  55 @@ -3018,6 +3023,7 @@ static int b43_rng_init(struct b43_wl *w
  56                 b43err(wl, "Failed to register the random "
  57                        "number generator (%d)\n", err);
  58         }
  59 +#endif /* CONFIG_B43_HWRNG */
  60
  61         return err;
  62  }
  63 --- a/config.mk
  64 +++ b/config.mk
  65 @@ -148,6 +148,7 @@ CONFIG_ATH9K_DEBUG=y
  66  # CONFIG_B43_PIO=y
  67  # CONFIG_B43_LEDS=y
  68  # CONFIG_B43_RFKILL=y
  69 +# CONFIG_B43_HWRNG=y
  70  # CONFIG_B43_DEBUG=y
  71  # CONFIG_B43_FORCE_PIO=y
  72