---

yaml --- r: 149847 b: refs/heads/master c: 616de35 h: refs/heads/master i: 149845: 7718f23 149843: 8b798bb 149839: ded59d6 v: v3
git-mirror · Apr 22, 2009 · 30c3be1 · 30c3be1
1 parent ce1c646
commit 30c3be1
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Showing 4 changed files with 18 additions and 4 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a57e2e84b65d1b89c4b1effeceb27b181226b950
+refs/heads/master: 616de35da94df8748771a014ef898360d5f4d0c8
diff --git a/trunk/drivers/net/wireless/b43/Kconfig b/trunk/drivers/net/wireless/b43/Kconfig
@@ -3,7 +3,6 @@ config B43
 	depends on SSB_POSSIBLE && MAC80211 && WLAN_80211 && HAS_DMA
 	select SSB
 	select FW_LOADER
-	select HW_RANDOM
 	---help---
 	  b43 is a driver for the Broadcom 43xx series wireless devices.
 
@@ -106,6 +105,13 @@ config B43_RFKILL
 	depends on B43 && (RFKILL = y || RFKILL = B43) && RFKILL_INPUT && (INPUT_POLLDEV = y || INPUT_POLLDEV = B43)
 	default y
 
+# This config option automatically enables b43 HW-RNG support,
+# if the HW-RNG core is enabled.
+config B43_HWRNG
+	bool
+	depends on B43 && (HW_RANDOM = y || HW_RANDOM = B43)
+	default y
+
 config B43_DEBUG
 	bool "Broadcom 43xx debugging"
 	depends on B43

diff --git a/trunk/drivers/net/wireless/b43/b43.h b/trunk/drivers/net/wireless/b43/b43.h
@@ -625,9 +625,11 @@ struct b43_wl {
 	/* Stats about the wireless interface */
 	struct ieee80211_low_level_stats ieee_stats;
 
+#ifdef CONFIG_B43_HWRNG
 	struct hwrng rng;
-	u8 rng_initialized;
+	bool rng_initialized;
 	char rng_name[30 + 1];
+#endif /* CONFIG_B43_HWRNG */
 
 	/* The RF-kill button */
 	struct b43_rfkill rfkill;

diff --git a/trunk/drivers/net/wireless/b43/main.c b/trunk/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;
 }