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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: 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
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10
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
* rfkill handler will care about restarting if needed.
*/
if (!test_bit(S_ALIVE, &il->status)) {
if (hw_rf_kill)
set_bit(S_RFKILL, &il->status);
else
clear_bit(S_RFKILL, &il->status);
if (hw_rf_kill) {
set_bit(S_RFKILL, &il->status);
} 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;

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

@ -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,