[PATCH] b43: Suspend MAC while killing the radio

[Michael Buesch <mb@bu3sch.de>]

We should suspend the MAC, before we kill the radio. This gives
the MAC a chance to leave any TX/RX state and it avoids races on
the PHY/RADIO registers.

Signed-off-by: Michael Buesch <mb@bu3sch.de>

---

For 2.6.29

Index: wireless-testing/drivers/net/wireless/b43/phy_common.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/b43/phy_common.c	2008-12-19 18:32:33.000000000 +0100
+++ wireless-testing/drivers/net/wireless/b43/phy_common.c	2008-12-19 18:35:49.000000000 +0100
@@ -293,14 +293,16 @@ void b43_software_rfkill(struct b43_wlde
 
 	if (state == RFKILL_STATE_HARD_BLOCKED) {
 		/* We cannot hardware-block the device */
 		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);
 }
 
 /**
  * b43_phy_txpower_adjust_work - TX power workqueue.
  *
  * Workqueue for updating the TX power parameters in hardware.

-- 
Greetings, Michael.