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| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-01-13 10:16:30 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-01-22 17:55:16 +0200 |
| commit | 84bfffa96835435d138b315f90e5fdea1185eb4d (patch) | |
| tree | 4f72ec445058538f6e727d57afb1212df4e802af /drivers/net/wireless/iwlwifi/mvm/fw.c | |
| parent | 1c30f12ed2f53433c29e7f2f8bf1c1e1dbbdce96 (diff) | |
| download | blackbird-op-linux-84bfffa96835435d138b315f90e5fdea1185eb4d.tar.gz blackbird-op-linux-84bfffa96835435d138b315f90e5fdea1185eb4d.zip | |
iwlwifi: mvm: add support for new LTR command
This new command will give finer granularity to configure
the platform.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm/fw.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/fw.c | 38 |
1 files changed, 30 insertions, 8 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/fw.c b/drivers/net/wireless/iwlwifi/mvm/fw.c index 2e12f41dd65b..a322a5e3d31b 100644 --- a/drivers/net/wireless/iwlwifi/mvm/fw.c +++ b/drivers/net/wireless/iwlwifi/mvm/fw.c @@ -499,6 +499,35 @@ int iwl_mvm_start_fw_dbg_conf(struct iwl_mvm *mvm, enum iwl_fw_dbg_conf conf_id) return ret; } +static int iwl_mvm_config_ltr_v1(struct iwl_mvm *mvm) +{ + struct iwl_ltr_config_cmd_v1 cmd_v1 = { + .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), + }; + + if (!mvm->trans->ltr_enabled) + return 0; + + return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, + sizeof(cmd_v1), &cmd_v1); +} + +static int iwl_mvm_config_ltr(struct iwl_mvm *mvm) +{ + struct iwl_ltr_config_cmd cmd = { + .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), + }; + + if (!mvm->trans->ltr_enabled) + return 0; + + if (!(mvm->fw->ucode_capa.api[0] & IWL_UCODE_TLV_API_HDC_PHASE_0)) + return iwl_mvm_config_ltr_v1(mvm); + + return iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, + sizeof(cmd), &cmd); +} + int iwl_mvm_up(struct iwl_mvm *mvm) { int ret, i; @@ -604,14 +633,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm) /* Initialize tx backoffs to the minimal possible */ iwl_mvm_tt_tx_backoff(mvm, 0); - if (mvm->trans->ltr_enabled) { - struct iwl_ltr_config_cmd cmd = { - .flags = cpu_to_le32(LTR_CFG_FLAG_FEATURE_ENABLE), - }; - - WARN_ON(iwl_mvm_send_cmd_pdu(mvm, LTR_CONFIG, 0, - sizeof(cmd), &cmd)); - } + WARN_ON(iwl_mvm_config_ltr(mvm)); ret = iwl_mvm_power_update_device(mvm); if (ret) |
