[B43]: RF-kill support

This adds full support for the RFKILL button and
the RFKILL LED trigger.

Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 11 insertions, 7 deletions

diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 2b81bd6165d8..a9f7148493f7 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2161,7 +2161,7 @@ static bool b43_is_hw_radio_enabled(struct b43_wldev *dev)
 /* This is the opposite of b43_chip_init() */
 static void b43_chip_exit(struct b43_wldev *dev)
 {
-        b43_radio_turn_off(dev);
+        b43_radio_turn_off(dev, 1);
         b43_leds_exit(dev);
         b43_gpio_cleanup(dev);
         /* firmware is released later */
@@ -2269,7 +2269,7 @@ out:
         return err;
 
 err_radio_off:
-        b43_radio_turn_off(dev);
+        b43_radio_turn_off(dev, 1);
 err_leds_exit:
         b43_leds_exit(dev);
         b43_gpio_cleanup(dev);
@@ -2358,8 +2358,7 @@ static void b43_periodic_every1sec(struct b43_wldev *dev)
         radio_hw_enable = b43_is_hw_radio_enabled(dev);
         if (unlikely(dev->radio_hw_enable != radio_hw_enable)) {
                 dev->radio_hw_enable = radio_hw_enable;
-                b43info(dev->wl, "Radio hardware status changed to %s\n",
-                        radio_hw_enable ? "ENABLED" : "DISABLED");
+                b43_rfkill_toggled(dev, radio_hw_enable);
         }
 }
 
@@ -2850,7 +2849,7 @@ static int b43_dev_config(struct ieee80211_hw *hw, struct ieee80211_conf *conf)
                                         "Press the button to turn it on.\n");
                         }
                 } else {
-                        b43_radio_turn_off(dev);
+                        b43_radio_turn_off(dev, 0);
                         b43info(dev->wl, "Radio turned off by software\n");
                 }
         }
@@ -3330,11 +3329,15 @@ static void b43_wireless_core_exit(struct b43_wldev *dev)
                 return;
         b43_set_status(dev, B43_STAT_UNINIT);
 
+        mutex_unlock(&dev->wl->mutex);
+        b43_rfkill_exit(dev);
+        mutex_lock(&dev->wl->mutex);
+
         b43_rng_exit(dev->wl);
         b43_pio_free(dev);
         b43_dma_free(dev);
         b43_chip_exit(dev);
-        b43_radio_turn_off(dev);
+        b43_radio_turn_off(dev, 1);
         b43_switch_analog(dev, 0);
         if (phy->dyn_tssi_tbl)
                 kfree(phy->tssi2dbm);
@@ -3458,6 +3461,7 @@ static int b43_wireless_core_init(struct b43_wldev *dev)
         memset(wl->mac_addr, 0, ETH_ALEN);
         b43_upload_card_macaddress(dev);
         b43_security_init(dev);
+        b43_rfkill_init(dev);
         b43_rng_init(wl);
 
         b43_set_status(dev, B43_STAT_INITIALIZED);
@@ -3802,7 +3806,7 @@ static int b43_wireless_core_attach(struct b43_wldev *dev)
                 wl->current_dev = dev;
         INIT_WORK(&dev->restart_work, b43_chip_reset);
 
-        b43_radio_turn_off(dev);
+        b43_radio_turn_off(dev, 1);
         b43_switch_analog(dev, 0);
         ssb_device_disable(dev->dev, 0);
         ssb_bus_may_powerdown(bus);