diff options
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/mvm.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/tt.c | 57 |
2 files changed, 31 insertions, 27 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h index ab410b4659f3..b869db9afc52 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/mvm.h @@ -1575,7 +1575,6 @@ void iwl_mvm_set_hw_ctkill_state(struct iwl_mvm *mvm, bool state); int iwl_mvm_get_temp(struct iwl_mvm *mvm, s32 *temp); void iwl_mvm_ct_kill_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb); int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm); -int iwl_mvm_cooling_device_register(struct iwl_mvm *mvm); int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget); /* Location Aware Regulatory */ diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c index 999bcb898be8..0a02e9835d6b 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/tt.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/tt.c @@ -211,10 +211,14 @@ void iwl_mvm_temp_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb) * the firmware and hence to take the mutex. * Avoid the deadlock by unlocking the mutex here. */ - mutex_unlock(&mvm->mutex); - thermal_notify_framework(mvm->tz_device.tzone, - mvm->tz_device.fw_trips_index[ths_crossed]); - mutex_lock(&mvm->mutex); + 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 */ } @@ -520,16 +524,20 @@ int iwl_mvm_send_temp_report_ths_cmd(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); + if (!mvm->tz_device.tzone) + return -EINVAL; + /* The driver holds array of temperature trips that are unsorted * and uncompressed, the FW should get it compressed and sorted */ /* compress temp_trips to cmd array, remove uninitialized values*/ - for (i = 0; i < IWL_MAX_DTS_TRIPS; i++) + for (i = 0; i < IWL_MAX_DTS_TRIPS; i++) { if (mvm->tz_device.temp_trips[i] != S16_MIN) { cmd.thresholds[idx++] = cpu_to_le16(mvm->tz_device.temp_trips[i]); } + } cmd.num_temps = cpu_to_le32(idx); if (!idx) @@ -696,6 +704,7 @@ static void iwl_mvm_thermal_zone_register(struct iwl_mvm *mvm) IWL_DEBUG_TEMP(mvm, "Failed to register to thermal zone (err = %ld)\n", PTR_ERR(mvm->tz_device.tzone)); + mvm->tz_device.tzone = NULL; return; } @@ -750,6 +759,10 @@ int iwl_mvm_ctdp_command(struct iwl_mvm *mvm, u32 op, u32 budget) return ret; } + /* can happen if the registration failed */ + if (!mvm->cooling_dev.cdev) + return -EINVAL; + if (op == CTDP_CMD_OPERATION_START) mvm->cooling_dev.cur_state = budget; @@ -812,15 +825,12 @@ static struct thermal_cooling_device_ops tcooling_ops = { .set_cur_state = iwl_mvm_tcool_set_cur_state, }; -int iwl_mvm_cooling_device_register(struct iwl_mvm *mvm) +static void iwl_mvm_cooling_device_register(struct iwl_mvm *mvm) { char name[] = "iwlwifi"; - if (!iwl_mvm_is_ctdp_supported(mvm)) { - mvm->cooling_dev.cdev = NULL; - - return 0; - } + if (!iwl_mvm_is_ctdp_supported(mvm)) + return; BUILD_BUG_ON(ARRAY_SIZE(name) >= THERMAL_NAME_LENGTH); @@ -833,34 +843,29 @@ int iwl_mvm_cooling_device_register(struct iwl_mvm *mvm) IWL_DEBUG_TEMP(mvm, "Failed to register to cooling device (err = %ld)\n", PTR_ERR(mvm->cooling_dev.cdev)); - return PTR_ERR(mvm->cooling_dev.cdev); + mvm->cooling_dev.cdev = NULL; + return; } - - return 0; } static void iwl_mvm_thermal_zone_unregister(struct iwl_mvm *mvm) { - if (!iwl_mvm_is_tt_in_fw(mvm)) + if (!iwl_mvm_is_tt_in_fw(mvm) || !mvm->tz_device.tzone) return; - if (mvm->tz_device.tzone) { - IWL_DEBUG_TEMP(mvm, "Thermal zone device unregister\n"); - thermal_zone_device_unregister(mvm->tz_device.tzone); - mvm->tz_device.tzone = NULL; - } + IWL_DEBUG_TEMP(mvm, "Thermal zone device unregister\n"); + thermal_zone_device_unregister(mvm->tz_device.tzone); + mvm->tz_device.tzone = NULL; } static void iwl_mvm_cooling_device_unregister(struct iwl_mvm *mvm) { - if (!iwl_mvm_is_ctdp_supported(mvm)) + if (!iwl_mvm_is_ctdp_supported(mvm) || !mvm->cooling_dev.cdev) return; - if (mvm->cooling_dev.cdev) { - IWL_DEBUG_TEMP(mvm, "Cooling device unregister\n"); - thermal_cooling_device_unregister(mvm->cooling_dev.cdev); - mvm->cooling_dev.cdev = NULL; - } + IWL_DEBUG_TEMP(mvm, "Cooling device unregister\n"); + thermal_cooling_device_unregister(mvm->cooling_dev.cdev); + mvm->cooling_dev.cdev = NULL; } #endif /* CONFIG_THERMAL */ |