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Commit 788f7a56 authored by Stanislaw Gruszka's avatar Stanislaw Gruszka Committed by John W. Linville
Browse files

iwl4965: reset firmware after rfkill off 

Using rfkill switch can make firmware unstable, what cause various
Microcode errors and kernel warnings. Reseting firmware just after
rfkill off (radio on) helped with that.

Resolve:
https://bugzilla.redhat.com/show_bug.cgi?id=977053



Reported-and-tested-by: default avatarJustin Pearce <whitefox@guardianfox.net>
Cc: stable@vger.kernel.org
Signed-off-by: default avatarStanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent eca396d7

drivers/net/wireless/iwlegacy/4965-mac.c

+5 −5
Original line number Diff line number Diff line
@@ -4460,12 +4460,12 @@ il4965_irq_tasklet(struct il_priv *il) 
		 * is killed. Hence update the killswitch state here. The

		 * rfkill handler will care about restarting if needed.

		 */

		if (!test_bit(S_ALIVE, &il->status)) {

			if (hw_rf_kill)

		if (hw_rf_kill) {

			set_bit(S_RFKILL, &il->status);

			else

		} else {

			clear_bit(S_RFKILL, &il->status);

			wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill);

			il_force_reset(il, true);

		}



		handled |= CSR_INT_BIT_RF_KILL;

drivers/net/wireless/iwlegacy/common.c

+1 −0
Original line number Diff line number Diff line
@@ -4660,6 +4660,7 @@ il_force_reset(struct il_priv *il, bool external) 


	return 0;

}

EXPORT_SYMBOL(il_force_reset);



int

il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,