diff options
| author | Luca Coelho <luciano.coelho@intel.com> | 2020-10-09 12:21:23 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-10-09 18:04:50 +0300 |
| commit | b7d96bca1f004b5f26ee51ea9c9749a28dac8316 (patch) | |
| tree | 2e5d5792b48ef6460b957f14451afd4fd663bf48 /drivers/net/wireless | |
| parent | 09b3ab8782e79e5ab13e0cd9fce8d27582f64d03 (diff) | |
| download | linux-b7d96bca1f004b5f26ee51ea9c9749a28dac8316.tar.xz | |
Revert "iwlwifi: remove wide_cmd_header field"
This reverts commit 0a8159cbd11abf586693f1ec5264d0df587b71d8.
It turns out that this flag is used by iwldvm, so we can't get rid of
it. This broke iwldvm devices with BAD_COMMAND errors.
Fixes: 0a8159cbd11a ("iwlwifi: remove wide_cmd_header field")
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/iwlwifi.20201009122123.3e4ee0ad7a71.Id6d95ae601f048aeb4d2ed63a1712e469da84369@changeid
Diffstat (limited to 'drivers/net/wireless')
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-trans.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/iwl-trans.h | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/mvm/ops.c | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 5 |
4 files changed, 9 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c index a26da96763dd..becee92a5fd6 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.c @@ -200,7 +200,7 @@ int iwl_trans_send_cmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) if (!(cmd->flags & CMD_ASYNC)) lock_map_acquire_read(&trans->sync_cmd_lockdep_map); - if (!iwl_cmd_groupid(cmd->id)) + if (trans->wide_cmd_header && !iwl_cmd_groupid(cmd->id)) cmd->id = DEF_ID(cmd->id); ret = trans->ops->send_cmd(trans, cmd); diff --git a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h index b70294e9d07b..11a040e75bf3 100644 --- a/drivers/net/wireless/intel/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/intel/iwlwifi/iwl-trans.h @@ -968,6 +968,7 @@ struct iwl_trans_txqs { * @hw_id_str: a string with info about HW ID. Set during transport allocation. * @pm_support: set to true in start_hw if link pm is supported * @ltr_enabled: set to true if the LTR is enabled + * @wide_cmd_header: true when ucode supports wide command header format * @num_rx_queues: number of RX queues allocated by the transport; * the transport must set this before calling iwl_drv_start() * @iml_len: the length of the image loader @@ -1009,6 +1010,7 @@ struct iwl_trans { const struct iwl_hcmd_arr *command_groups; int command_groups_size; + bool wide_cmd_header; u8 num_rx_queues; diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c index 1e44a176b3d9..f1c5b3a9c26f 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c @@ -761,6 +761,7 @@ iwl_op_mode_mvm_start(struct iwl_trans *trans, const struct iwl_cfg *cfg, trans_cfg.rx_buf_size = rb_size_default; } + trans->wide_cmd_header = true; trans_cfg.bc_table_dword = mvm->trans->trans_cfg->device_family < IWL_DEVICE_FAMILY_AX210; diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 8c89e4a2f7f8..966be5689d63 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -1180,6 +1180,11 @@ static int iwl_pcie_enqueue_hcmd(struct iwl_trans *trans, const u8 *cmddata[IWL_MAX_CMD_TBS_PER_TFD]; u16 cmdlen[IWL_MAX_CMD_TBS_PER_TFD]; + if (WARN(!trans->wide_cmd_header && + group_id > IWL_ALWAYS_LONG_GROUP, + "unsupported wide command %#x\n", cmd->id)) + return -EINVAL; + if (group_id != 0) { copy_size = sizeof(struct iwl_cmd_header_wide); cmd_size = sizeof(struct iwl_cmd_header_wide); |