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| author | Chaya Rachel Ivgi <chaya.rachel.ivgi@intel.com> | 2016-03-13 09:39:53 (GMT) |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2016-03-30 13:21:20 (GMT) |
| commit | ec77a33ee59723613d1e3ed6f02e5f9a1c898ce1 (patch) | |
| tree | 1d84eca17a9c5e3b3a9c3f3adc806bf00c9a4c33 /drivers/net/wireless/intel/iwlwifi | |
| parent | 5d93f3a278b387e3a2ec568c1f03d236bfdbef81 (diff) | |
| download | linux-ec77a33ee59723613d1e3ed6f02e5f9a1c898ce1.tar.xz | |
iwlwifi: mvm: handle async temperature notification with unlocked mutex
Use RX_HANDLER_ASYNC_UNLOCKED instead of unlock and re-lock
the mutex independently.
Signed-off-by: Chaya Rachel Ivgi <chaya.rachel.ivgi@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/tt.c | 9 |
2 files changed, 1 insertions, 10 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 46a22fd..6153c8e 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -292,7 +292,7 @@ static const struct iwl_rx_handlers iwl_mvm_rx_handlers[] = { RX_HANDLER(DTS_MEASUREMENT_NOTIFICATION, iwl_mvm_temp_notif, RX_HANDLER_ASYNC_LOCKED), RX_HANDLER_GRP(PHY_OPS_GROUP, DTS_MEASUREMENT_NOTIF_WIDE, - iwl_mvm_temp_notif, RX_HANDLER_ASYNC_LOCKED), + iwl_mvm_temp_notif, RX_HANDLER_ASYNC_UNLOCKED), RX_HANDLER_GRP(PHY_OPS_GROUP, CT_KILL_NOTIFICATION, iwl_mvm_ct_kill_notif, RX_HANDLER_SYNC), diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c index f1f2825..8d27137 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c @@ -204,20 +204,11 @@ void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) if (WARN_ON(ths_crossed >= IWL_MAX_DTS_TRIPS)) return; - /* - * We are now handling a temperature notification from the firmware - * in ASYNC and hold the mutex. thermal_notify_framework will call - * us back through get_temp() which ought to send a SYNC command to - * the firmware and hence to take the mutex. - * Avoid the deadlock by unlocking the mutex here. - */ if (mvm->tz_device.tzone) { struct iwl_mvm_thermal_device *tz_dev = &mvm->tz_device; - mutex_unlock(&mvm->mutex); thermal_notify_framework(tz_dev->tzone, tz_dev->fw_trips_index[ths_crossed]); - mutex_lock(&mvm->mutex); } #endif /* CONFIG_THERMAL */ } |