From d4f3695eccf9481801d42bebc7a282c5a2af7281 Mon Sep 17 00:00:00 2001 From: Sara Sharon Date: Mon, 6 Mar 2017 11:13:02 +0200 Subject: [PATCH] iwlwifi: mvm: support old method of NVM parsing Add configuration for allowing driver's nvm parsing and bypassing the new host command, for debugging. Signed-off-by: Sara Sharon Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/mvm/constants.h | 1 + drivers/net/wireless/intel/iwlwifi/mvm/fw.c | 10 +++++++++- 2 files changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h index 4eeb6b7..6fda862 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/constants.h +++ b/drivers/net/wireless/intel/iwlwifi/mvm/constants.h @@ -110,6 +110,7 @@ #define IWL_MVM_TOF_IS_RESPONDER 0 #define IWL_MVM_SW_TX_CSUM_OFFLOAD 0 #define IWL_MVM_HW_CSUM_DISABLE 0 +#define IWL_MVM_PARSE_NVM 0 #define IWL_MVM_COLLECT_FW_ERR_DUMP 1 #define IWL_MVM_RS_NUM_TRY_BEFORE_ANT_TOGGLE 1 #define IWL_MVM_RS_HT_VHT_RETRIES_PER_RATE 2 diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c index 3d68595..a8804bc 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c @@ -744,6 +744,14 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) iwl_mvm_load_nvm_to_nic(mvm); } + if (IWL_MVM_PARSE_NVM && read_nvm) { + ret = iwl_nvm_init(mvm, true); + if (ret) { + IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); + goto error; + } + } + ret = iwl_mvm_send_cmd_pdu(mvm, WIDE_ID(REGULATORY_AND_NVM_GROUP, NVM_ACCESS_COMPLETE), 0, sizeof(nvm_complete), &nvm_complete); @@ -760,7 +768,7 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm) return ret; /* Read the NVM only at driver load time, no need to do this twice */ - if (read_nvm) { + if (!IWL_MVM_PARSE_NVM && read_nvm) { ret = iwl_mvm_nvm_get_from_fw(mvm); if (ret) { IWL_ERR(mvm, "Failed to read NVM: %d\n", ret); -- 2.7.4