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iwl4965: reset firmware after rfkill off

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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: Justin Pearce <whitefox@guardianfox.net>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Stanislaw Gruszka 2013-08-01 12:07:55 +02:00 • committed by John W. Linville
parent eca396d7a5
commit 788f7a56fc
2 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
drivers/net/wireless/iwlegacy/4965-mac.c
View file

@ -4460,12 +4460,12 @@ il4965_irq_tasklet(struct il_priv *il)
* is killed. Hence update the killswitch state here. The * is killed. Hence update the killswitch state here. The
* rfkill handler will care about restarting if needed. * 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); set_bit(S_RFKILL, &il->status);
else } else {
clear_bit(S_RFKILL, &il->status); clear_bit(S_RFKILL, &il->status);
wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill); wiphy_rfkill_set_hw_state(il->hw->wiphy, hw_rf_kill);
il_force_reset(il, true);
} }
handled |= CSR_INT_BIT_RF_KILL; handled |= CSR_INT_BIT_RF_KILL;

1
drivers/net/wireless/iwlegacy/common.c
View file

@ -4660,6 +4660,7 @@ il_force_reset(struct il_priv *il, bool external)
return 0; return 0;
} }
EXPORT_SYMBOL(il_force_reset);
int int
il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif, il_mac_change_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif,