b43: Do not "select" HW_RANDOM

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: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Michael Buesch
2009-03-29 13:19:31 +02:00
committed by John W. Linville
parent a57e2e84b6
commit 616de35da9
3 changed files with 17 additions and 3 deletions

View File

@ -2980,6 +2980,7 @@ static void b43_security_init(struct b43_wldev *dev)
b43_clear_keys(dev);
}
#ifdef CONFIG_B43_HWRNG
static int b43_rng_read(struct hwrng *rng, u32 *data)
{
struct b43_wl *wl = (struct b43_wl *)rng->priv;
@ -2995,17 +2996,21 @@ static int b43_rng_read(struct hwrng *rng, u32 *data)
return (sizeof(u16));
}
#endif /* CONFIG_B43_HWRNG */
static void b43_rng_exit(struct b43_wl *wl)
{
#ifdef CONFIG_B43_HWRNG
if (wl->rng_initialized)
hwrng_unregister(&wl->rng);
#endif /* CONFIG_B43_HWRNG */
}
static int b43_rng_init(struct b43_wl *wl)
{
int err;
int err = 0;
#ifdef CONFIG_B43_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;
@ -3018,6 +3023,7 @@ static int b43_rng_init(struct b43_wl *wl)
b43err(wl, "Failed to register the random "
"number generator (%d)\n", err);
}
#endif /* CONFIG_B43_HWRNG */
return err;
}