1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/net/wireless/b43/phy_common.c b/drivers/net/wireless/b43/phy_common.c
index af37abccccb3..026b61c03fb9 100644
--- a/drivers/net/wireless/b43/phy_common.c
+++ b/drivers/net/wireless/b43/phy_common.c
@@ -178,13 +178,27 @@ void b43_phy_unlock(struct b43_wldev *dev)
                 b43_power_saving_ctl_bits(dev, 0);
 }
 
+static inline void assert_mac_suspended(struct b43_wldev *dev)
+{
+        if (!B43_DEBUG)
+                return;
+        if ((b43_status(dev) >= B43_STAT_INITIALIZED) &&
+            (dev->mac_suspended <= 0)) {
+                b43dbg(dev->wl, "PHY/RADIO register access with "
+                       "enabled MAC.\n");
+                dump_stack();
+        }
+}
+
 u16 b43_radio_read(struct b43_wldev *dev, u16 reg)
 {
+        assert_mac_suspended(dev);
         return dev->phy.ops->radio_read(dev, reg);
 }
 
 void b43_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
 {
+        assert_mac_suspended(dev);
         dev->phy.ops->radio_write(dev, reg, value);
 }
 
@@ -208,11 +222,13 @@ void b43_radio_maskset(struct b43_wldev *dev, u16 offset, u16 mask, u16 set)
 
 u16 b43_phy_read(struct b43_wldev *dev, u16 reg)
 {
+        assert_mac_suspended(dev);
         return dev->phy.ops->phy_read(dev, reg);
 }
 
 void b43_phy_write(struct b43_wldev *dev, u16 reg, u16 value)
 {
+        assert_mac_suspended(dev);
         dev->phy.ops->phy_write(dev, reg, value);
 }
 
@@ -280,8 +296,10 @@ void b43_software_rfkill(struct b43_wldev *dev, enum rfkill_state state)
                 state = RFKILL_STATE_SOFT_BLOCKED;
         }
 
+        b43_mac_suspend(dev);
         phy->ops->software_rfkill(dev, state);
         phy->radio_on = (state == RFKILL_STATE_UNBLOCKED);
+        b43_mac_enable(dev);
 }
 
 /**