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authorMichael Buesch <mb@bu3sch.de>2009-03-29 13:19:31 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-04-22 16:54:29 -0400
commit616de35da94df8748771a014ef898360d5f4d0c8 (patch)
tree69c38769384816051cd6dce12b611c49809bc9d8 /drivers/net/wireless/b43/main.c
parenta57e2e84b65d1b89c4b1effeceb27b181226b950 (diff)
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>
Diffstat (limited to 'drivers/net/wireless/b43/main.c')
-rw-r--r--drivers/net/wireless/b43/main.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 79b685e300c..09e0c60d96d 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -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;
}