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b43legacy: Do not select HW_RANDOM

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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.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Larry Finger
2009-04-01 10:42:36 -05:00
committed by John W. Linville
parent 66174bbea0
commit 910cfee363
3 changed files with 16 additions and 2 deletions
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8
drivers/net/wireless/b43legacy/main.c
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@@ -2297,6 +2297,7 @@ static void b43legacy_security_init(struct b43legacy_wldev *dev)
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;
@@ -2312,17 +2313,21 @@ static int b43legacy_rng_read(struct hwrng *rng, u32 *data)
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;
@@ -2336,6 +2341,7 @@ static int b43legacy_rng_init(struct b43legacy_wl *wl)
"number generator (%d)\n", err);
}
#endif
return err;
}