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authorArik Nemtsov <arik@wizery.com>2015-09-30 08:19:55 (GMT)
committerLuca Coelho <luciano.coelho@intel.com>2015-10-05 11:02:07 (GMT)
commit1a3fe0b2b6778b7866e2b3f5c9a299d5e9bbd89c (patch)
tree77074d2910ff83fdaee5bb299d147e350d28c924 /drivers/net/wireless/iwlwifi
parentf08f625876476b6c4a87834dc86e3b927f4697d2 (diff)
downloadlinux-1a3fe0b2b6778b7866e2b3f5c9a299d5e9bbd89c.tar.xz
iwlwifi: mvm: init card correctly on ctkill exit check
During the CT-kill exit flow, the card is powered up and partially initialized to check if the temperature is already low enough. Unfortunately the init bails early because the CT-kill flag is set. Make the code bail early only for HW RF-kill, as was intended by the author. CT-kill is self-imposed and is not really RF-kill. Fixes: 31b8b343e019 ("iwlwifi: fix RFkill while calibrating") Cc: <stable@vger.kernel.org> [3.18+] Signed-off-by: Arik Nemtsov <arikx.nemtsov@intel.com> Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/fw.c4
-rw-r--r--drivers/net/wireless/iwlwifi/mvm/mvm.h5
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c
index 4a0ce83..5c7f7cc 100644
--- a/drivers/net/wireless/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/iwlwifi/mvm/fw.c
@@ -703,7 +703,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
* abort after reading the nvm in case RF Kill is on, we will complete
* the init seq later when RF kill will switch to off
*/
- if (iwl_mvm_is_radio_killed(mvm)) {
+ if (iwl_mvm_is_radio_hw_killed(mvm)) {
IWL_DEBUG_RF_KILL(mvm,
"jump over all phy activities due to RF kill\n");
iwl_remove_notification(&mvm->notif_wait, &calib_wait);
@@ -736,7 +736,7 @@ int iwl_run_init_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
ret = iwl_wait_notification(&mvm->notif_wait, &calib_wait,
MVM_UCODE_CALIB_TIMEOUT);
- if (ret && iwl_mvm_is_radio_killed(mvm)) {
+ if (ret && iwl_mvm_is_radio_hw_killed(mvm)) {
IWL_DEBUG_RF_KILL(mvm, "RFKILL while calibrating.\n");
ret = 1;
}
diff --git a/drivers/net/wireless/iwlwifi/mvm/mvm.h b/drivers/net/wireless/iwlwifi/mvm/mvm.h
index b95a07e..c754051 100644
--- a/drivers/net/wireless/iwlwifi/mvm/mvm.h
+++ b/drivers/net/wireless/iwlwifi/mvm/mvm.h
@@ -860,6 +860,11 @@ static inline bool iwl_mvm_is_radio_killed(struct iwl_mvm *mvm)
test_bit(IWL_MVM_STATUS_HW_CTKILL, &mvm->status);
}
+static inline bool iwl_mvm_is_radio_hw_killed(struct iwl_mvm *mvm)
+{
+ return test_bit(IWL_MVM_STATUS_HW_RFKILL, &mvm->status);
+}
+
/* Must be called with rcu_read_lock() held and it can only be
* released when mvmsta is not needed anymore.
*/