On Wednesday 01 April 2009 17:42:36 Larry Finger wrote:
> Auto-depend on HW_RANDOM, rather than "select"ing it.
> This way the user has the choice to enable or disable HWRNG support.
>
> Signed-off-by: Larry Finger <larry.fin...@lwfinger.net>
> ---
>
> John, please queue for 2.6.31.
ACK
>
>
> Index: wireless-testing/drivers/net/wireless/b43legacy/Kconfig
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/b43legacy/Kconfig
> +++ wireless-testing/drivers/net/wireless/b43legacy/Kconfig
> @@ -3,7 +3,6 @@ config B43LEGACY
> depends on SSB_POSSIBLE && MAC80211 && WLAN_80211 && HAS_DMA
> select SSB
> select FW_LOADER
> - select HW_RANDOM
> ---help---
> b43legacy is a driver for 802.11b devices from Broadcom (BCM4301 and
> BCM4303) and early model 802.11g chips (BCM4306 Ver. 2) used in the
> @@ -51,6 +50,13 @@ config B43LEGACY_RFKILL
> depends on B43LEGACY && (RFKILL = y || RFKILL = B43LEGACY) &&
> RFKILL_INPUT && (INPUT_POLLDEV = y || INPUT_POLLDEV = B43LEGACY)
> default y
>
> +# This config option automatically enables b43 HW-RNG support,
> +# if the HW-RNG core is enabled.
> +config B43LEGACY_HWRNG
> + bool
> + depends on B43LEGACY && (HW_RANDOM = y || HW_RANDOM = B43LEGACY)
> + default y
> +
> config B43LEGACY_DEBUG
> bool "Broadcom 43xx-legacy debugging"
> depends on B43LEGACY
> Index: wireless-testing/drivers/net/wireless/b43legacy/b43legacy.h
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/b43legacy/b43legacy.h
> +++ wireless-testing/drivers/net/wireless/b43legacy/b43legacy.h
> @@ -596,9 +596,11 @@ struct b43legacy_wl {
> /* Stats about the wireless interface */
> struct ieee80211_low_level_stats ieee_stats;
>
> +#ifdef CONFIG_B43LEGACY_HWRNG
> struct hwrng rng;
> u8 rng_initialized;
> char rng_name[30 + 1];
> +#endif
>
> /* The RF-kill button */
> struct b43legacy_rfkill rfkill;
> Index: wireless-testing/drivers/net/wireless/b43legacy/main.c
> ===================================================================
> --- wireless-testing.orig/drivers/net/wireless/b43legacy/main.c
> +++ wireless-testing/drivers/net/wireless/b43legacy/main.c
> @@ -2393,6 +2393,7 @@ static void b43legacy_security_init(stru
> dev->max_nr_keys - 8);
> }
>
> +#ifdef CONFIG_B43LEGACY_HWRNG
> static int b43legacy_rng_read(struct hwrng *rng, u32 *data)
> {
> struct b43legacy_wl *wl = (struct b43legacy_wl *)rng->priv;
> @@ -2408,17 +2409,21 @@ static int b43legacy_rng_read(struct hwr
>
> return (sizeof(u16));
> }
> +#endif
>
> static void b43legacy_rng_exit(struct b43legacy_wl *wl)
> {
> +#ifdef CONFIG_B43LEGACY_HWRNG
> if (wl->rng_initialized)
> hwrng_unregister(&wl->rng);
> +#endif
> }
>
> static int b43legacy_rng_init(struct b43legacy_wl *wl)
> {
> - int err;
> + int err = 0;
>
> +#ifdef CONFIG_B43LEGACY_HWRNG
> snprintf(wl->rng_name, ARRAY_SIZE(wl->rng_name),
> "%s_%s", KBUILD_MODNAME, wiphy_name(wl->hw->wiphy));
> wl->rng.name = wl->rng_name;
> @@ -2432,6 +2437,7 @@ static int b43legacy_rng_init(struct b43
> "number generator (%d)\n", err);
> }
>
> +#endif
> return err;
> }
>
> _______________________________________________
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> Bcm43xx-dev@lists.berlios.de
> https://lists.berlios.de/mailman/listinfo/bcm43xx-dev
>
>
--
Greetings, Michael.
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