b43/legacy: port to cfg80211 rfkill

This ports the b43/legacy rfkill code to the new API offered
by cfg80211 and thus removes a lot of useless stuff.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 18 insertions, 97 deletions

diff --git a/drivers/net/wireless/b43legacy/rfkill.c b/drivers/net/wireless/b43legacy/rfkill.c
index c6230a64505a..8783022db11e 100644
--- a/drivers/net/wireless/b43legacy/rfkill.c
+++ b/drivers/net/wireless/b43legacy/rfkill.c
@@ -22,15 +22,12 @@
 
 */
 
-#include "rfkill.h"
 #include "radio.h"
 #include "b43legacy.h"
 
-#include <linux/kmod.h>
-
 
 /* Returns TRUE, if the radio is enabled in hardware. */
-static bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
+bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
 {
 	if (dev->phy.rev >= 3) {
 		if (!(b43legacy_read32(dev, B43legacy_MMIO_RADIO_HWENABLED_HI)
@@ -45,23 +42,31 @@ static bool b43legacy_is_hw_radio_enabled(struct b43legacy_wldev *dev)
 }
 
 /* The poll callback for the hardware button. */
-static void b43legacy_rfkill_poll(struct rfkill *rfkill, void *data)
+void b43legacy_rfkill_poll(struct ieee80211_hw *hw)
 {
-	struct b43legacy_wldev *dev = data;
-	struct b43legacy_wl *wl = dev->wl;
+	struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
+	struct b43legacy_wldev *dev = wl->current_dev;
+	struct ssb_bus *bus = dev->dev->bus;
 	bool enabled;
+	bool brought_up = false;
 
 	mutex_lock(&wl->mutex);
 	if (unlikely(b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)) {
-		mutex_unlock(&wl->mutex);
-		return;
+		if (ssb_bus_powerup(bus, 0)) {
+			mutex_unlock(&wl->mutex);
+			return;
+		}
+		ssb_device_enable(dev->dev, 0);
+		brought_up = true;
 	}
+
 	enabled = b43legacy_is_hw_radio_enabled(dev);
+
 	if (unlikely(enabled != dev->radio_hw_enable)) {
 		dev->radio_hw_enable = enabled;
 		b43legacyinfo(wl, "Radio hardware status changed to %s\n",
 			enabled ? "ENABLED" : "DISABLED");
-		enabled = !rfkill_set_hw_state(rfkill, !enabled);
+		wiphy_rfkill_set_hw_state(hw->wiphy, !enabled);
 		if (enabled != dev->phy.radio_on) {
 			if (enabled)
 				b43legacy_radio_turn_on(dev);
@@ -69,95 +74,11 @@ static void b43legacy_rfkill_poll(struct rfkill *rfkill, void *data)
 				b43legacy_radio_turn_off(dev, 0);
 		}
 	}
-	mutex_unlock(&wl->mutex);
-}
-
-/* Called when the RFKILL toggled in software.
- * This is called without locking. */
-static int b43legacy_rfkill_soft_set(void *data, bool blocked)
-{
-	struct b43legacy_wldev *dev = data;
-	struct b43legacy_wl *wl = dev->wl;
-	int ret = -EINVAL;
 
-	if (!wl->rfkill.registered)
-		return -EINVAL;
-
-	mutex_lock(&wl->mutex);
-	if (b43legacy_status(dev) < B43legacy_STAT_INITIALIZED)
-		goto out_unlock;
-
-	if (!dev->radio_hw_enable)
-		goto out_unlock;
-
-	if (!blocked != dev->phy.radio_on) {
-		if (!blocked)
-			b43legacy_radio_turn_on(dev);
-		else
-			b43legacy_radio_turn_off(dev, 0);
+	if (brought_up) {
+		ssb_device_disable(dev->dev, 0);
+		ssb_bus_may_powerdown(bus);
 	}
-	ret = 0;
 
-out_unlock:
 	mutex_unlock(&wl->mutex);
-	return ret;
-}
-
-const char *b43legacy_rfkill_led_name(struct b43legacy_wldev *dev)
-{
-	struct b43legacy_rfkill *rfk = &(dev->wl->rfkill);
-
-	if (!rfk->registered)
-		return NULL;
-	return rfkill_get_led_trigger_name(rfk->rfkill);
 }
-
-static const struct rfkill_ops b43legacy_rfkill_ops = {
-	.set_block = b43legacy_rfkill_soft_set,
-	.poll = b43legacy_rfkill_poll,
-};
-
-void b43legacy_rfkill_init(struct b43legacy_wldev *dev)
-{
-	struct b43legacy_wl *wl = dev->wl;
-	struct b43legacy_rfkill *rfk = &(wl->rfkill);
-	int err;
-
-	rfk->registered = 0;
-
-	snprintf(rfk->name, sizeof(rfk->name),
-		 "b43legacy-%s", wiphy_name(wl->hw->wiphy));
-	rfk->rfkill = rfkill_alloc(rfk->name,
-				   dev->dev->dev,
-				   RFKILL_TYPE_WLAN,
-				   &b43legacy_rfkill_ops, dev);
-	if (!rfk->rfkill)
-		goto out_error;
-
-	err = rfkill_register(rfk->rfkill);
-	if (err)
-		goto err_free;
-
-	rfk->registered = 1;
-
-	return;
- err_free:
-	rfkill_destroy(rfk->rfkill);
- out_error:
-	rfk->registered = 0;
-	b43legacywarn(wl, "RF-kill button init failed\n");
-}
-
-void b43legacy_rfkill_exit(struct b43legacy_wldev *dev)
-{
-	struct b43legacy_rfkill *rfk = &(dev->wl->rfkill);
-
-	if (!rfk->registered)
-		return;
-	rfk->registered = 0;
-
-	rfkill_unregister(rfk->rfkill);
-	rfkill_destroy(rfk->rfkill);
-	rfk->rfkill = NULL;
-}
-