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path: root/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/ops.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/ops.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
index 0c276124bf0f..f8a5a7074dc1 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/ops.c
@@ -422,6 +422,7 @@ static const struct iwl_hcmd_names iwl_mvm_legacy_names[] = {
static const struct iwl_hcmd_names iwl_mvm_system_names[] = {
HCMD_NAME(SHARED_MEM_CFG_CMD),
HCMD_NAME(INIT_EXTENDED_CFG_CMD),
+ HCMD_NAME(FW_ERROR_RECOVERY_CMD),
};
/* Please keep this array *SORTED* by hex value.
@@ -921,6 +922,9 @@ static void iwl_op_mode_mvm_stop(struct iwl_op_mode *op_mode)
kfree(mvm->mcast_filter_cmd);
mvm->mcast_filter_cmd = NULL;
+ kfree(mvm->error_recovery_buf);
+ mvm->error_recovery_buf = NULL;
+
#if defined(CONFIG_PM_SLEEP) && defined(CONFIG_IWLWIFI_DEBUGFS)
kfree(mvm->d3_resume_sram);
#endif
@@ -1301,6 +1305,20 @@ void iwl_mvm_nic_restart(struct iwl_mvm *mvm, bool fw_error)
/* don't let the transport/FW power down */
iwl_mvm_ref(mvm, IWL_MVM_REF_UCODE_DOWN);
+ if (mvm->fw->ucode_capa.error_log_size) {
+ u32 src_size = mvm->fw->ucode_capa.error_log_size;
+ u32 src_addr = mvm->fw->ucode_capa.error_log_addr;
+ u8 *recover_buf = kzalloc(src_size, GFP_ATOMIC);
+
+ if (recover_buf) {
+ mvm->error_recovery_buf = recover_buf;
+ iwl_trans_read_mem_bytes(mvm->trans,
+ src_addr,
+ recover_buf,
+ src_size);
+ }
+ }
+
if (fw_error && mvm->fw_restart > 0)
mvm->fw_restart--;
set_bit(IWL_MVM_STATUS_HW_RESTART_REQUESTED, &mvm->status);