diff options
author | Haim Dreyfuss <haim.dreyfuss@intel.com> | 2019-07-23 18:27:45 +0300 |
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committer | Luca Coelho <luciano.coelho@intel.com> | 2019-10-25 10:10:05 +0300 |
commit | d3b4dc014c9ccad665a676ffb55ce7980663a6e0 (patch) | |
tree | 2b6b51980a4a16e49d4d82216ca5d1e606808d7a /drivers/net/wireless/intel/iwlwifi/mvm/ops.c | |
parent | ee4cce9b9d6421d037ffc002536b918fd7f4aff3 (diff) | |
download | linux-d3b4dc014c9ccad665a676ffb55ce7980663a6e0.tar.bz2 |
iwlwifi: mvm: add support for new version for D0I3_END_CMD
During D3 state there are some flows which requires FW reset.
Add new API to support it.
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c')
-rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 3acbd5b7ab4b..cc4b5554c715 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -608,6 +608,27 @@ static const struct iwl_fw_runtime_ops iwl_mvm_fwrt_ops = { .d3_debug_enable = iwl_mvm_d3_debug_enable, }; +static u8 iwl_mvm_lookup_notif_ver(struct iwl_mvm *mvm, u8 grp, u8 cmd, u8 def) +{ + const struct iwl_fw_cmd_version *entry; + unsigned int i; + + if (!mvm->fw->ucode_capa.cmd_versions || + !mvm->fw->ucode_capa.n_cmd_versions) + return def; + + entry = mvm->fw->ucode_capa.cmd_versions; + for (i = 0; i < mvm->fw->ucode_capa.n_cmd_versions; i++, entry++) { + if (entry->group == grp && entry->cmd == cmd) { + if (entry->notif_ver == IWL_FW_CMD_VER_UNKNOWN) + return def; + return entry->notif_ver; + } + } + + return def; +} + static struct iwl_op_mode * iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, const struct iwl_fw *fw, struct dentry *dbgfs_dir) @@ -722,6 +743,12 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, INIT_DELAYED_WORK(&mvm->cs_tx_unblock_dwork, iwl_mvm_tx_unblock_dwork); + mvm->cmd_ver.d0i3_resp = + iwl_mvm_lookup_notif_ver(mvm, LEGACY_GROUP, D0I3_END_CMD, 0); + /* we only support version 1 */ + if (WARN_ON_ONCE(mvm->cmd_ver.d0i3_resp > 1)) + goto out_free; + /* * Populate the state variables that the transport layer needs * to know about. |