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authorStanislaw Gruszka <sgruszka@redhat.com>2013-08-01 12:07:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-20 08:26:28 -0700
commit6e819f58e3a21214289fc7378af0889d7d344701 (patch)
tree84f6b7cbc131bb61607042d2d3a038e16da9fec8
parent179dfb0cb213ac7873997214d33ec9a28667913a (diff)
downloadlinux-linaro-stable-6e819f58e3a21214289fc7378af0889d7d344701.tar.gz
iwl4965: reset firmware after rfkill off
commit 788f7a56fce1bcb2067b62b851a086fca48a0056 upstream. 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> Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com> Signed-off-by: John W. Linville <linville@tuxdriver.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/net/wireless/iwlegacy/4965-mac.c10
-rw-r--r--drivers/net/wireless/iwlegacy/common.c1
2 files changed, 6 insertions, 5 deletions
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index aa2877605830..409ed06d5f57 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -4411,12 +4411,12 @@ 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;
diff --git a/drivers/net/wireless/iwlegacy/common.c b/drivers/net/wireless/iwlegacy/common.c
index 2ab6b968c5f1..ae4befacfc38 100644
--- a/drivers/net/wireless/iwlegacy/common.c
+++ b/drivers/net/wireless/iwlegacy/common.c
@@ -4659,6 +4659,7 @@ 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,