iwlwifi: add d3 debug data support

During d3, the firmware records debug data into internal buffer
if debug data collection occurs, collect the data that was written to the
buffer

Signed-off-by: Shahar S Matityahu <shahar.s.matityahu@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 0e26619fb330..bce5d150eb58 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -182,6 +182,9 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
         if (mvm->trans->cfg->device_family < IWL_DEVICE_FAMILY_8000)
                 reg_val |= CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI;
 
+        if (iwl_fw_dbg_is_d3_debug_enabled(&mvm->fwrt))
+                reg_val |= CSR_HW_IF_CONFIG_REG_D3_DEBUG;
+
         iwl_trans_set_bits_mask(mvm->trans, CSR_HW_IF_CONFIG_REG,
                                 CSR_HW_IF_CONFIG_REG_MSK_MAC_DASH |
                                 CSR_HW_IF_CONFIG_REG_MSK_MAC_STEP |
@@ -189,7 +192,8 @@ static void iwl_mvm_nic_config(struct iwl_op_mode *op_mode)
                                 CSR_HW_IF_CONFIG_REG_MSK_PHY_STEP |
                                 CSR_HW_IF_CONFIG_REG_MSK_PHY_DASH |
                                 CSR_HW_IF_CONFIG_REG_BIT_RADIO_SI |
-                                CSR_HW_IF_CONFIG_REG_BIT_MAC_SI,
+                                CSR_HW_IF_CONFIG_REG_BIT_MAC_SI   |
+                                CSR_HW_IF_CONFIG_REG_D3_DEBUG,
                                 reg_val);
 
         IWL_DEBUG_INFO(mvm, "Radio type=0x%x-0x%x-0x%x\n", radio_cfg_type,