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iwlwifi: add fw dump upon RT ucode start failure

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FW dump was missing in case the RT FW ucode
section failed to load. This failure happens when
the RT section of the FW file is corrupted.

Signed-off-by: Lior Cohen <lior2.cohen@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
This commit is contained in:
Lior Cohen 2018-08-02 11:48:18 +03:00 committed by Luca Coelho
parent b1bbc1a636
commit 7125648074
3 changed files with 11 additions and 0 deletions
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8
drivers/net/wireless/intel/iwlwifi/fw/dbg.c
View File

@ -998,6 +998,14 @@ const struct iwl_fw_dump_desc iwl_dump_desc_assert = {
};
IWL_EXPORT_SYMBOL(iwl_dump_desc_assert);
void iwl_fw_assert_error_dump(struct iwl_fw_runtime *fwrt)
{
IWL_INFO(fwrt, "error dump due to fw assert\n");
fwrt->dump.desc = &iwl_dump_desc_assert;
iwl_fw_error_dump(fwrt);
}
IWL_EXPORT_SYMBOL(iwl_fw_assert_error_dump);
void iwl_fw_alive_error_dump(struct iwl_fw_runtime *fwrt)
{
struct iwl_fw_dump_desc *iwl_dump_desc_no_alive =

1
drivers/net/wireless/intel/iwlwifi/fw/dbg.h
View File

@ -378,6 +378,7 @@ static inline void iwl_fw_resume_timestamp(struct iwl_fw_runtime *fwrt) {}
#endif /* CONFIG_IWLWIFI_DEBUGFS */
void iwl_fw_assert_error_dump(struct iwl_fw_runtime *fwrt);
void iwl_fw_alive_error_dump(struct iwl_fw_runtime *fwrt);
void iwl_fw_dbg_collect_sync(struct iwl_fw_runtime *fwrt);
#endif /* __iwl_fw_dbg_h__ */

2
drivers/net/wireless/intel/iwlwifi/mvm/fw.c
View File

@ -407,6 +407,7 @@ static int iwl_run_unified_mvm_ucode(struct iwl_mvm *mvm, bool read_nvm)
ret = iwl_mvm_load_ucode_wait_alive(mvm, IWL_UCODE_REGULAR);
if (ret) {
IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
iwl_fw_assert_error_dump(&mvm->fwrt);
goto error;
}
@ -1024,6 +1025,7 @@ int iwl_mvm_up(struct iwl_mvm *mvm)
ret = iwl_mvm_load_rt_fw(mvm);
if (ret) {
IWL_ERR(mvm, "Failed to start RT ucode: %d\n", ret);
iwl_fw_assert_error_dump(&mvm->fwrt);
goto error;
}