diff options
| author | Eliad Peller <eliad@wizery.com> | 2015-09-10 15:00:22 +0300 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 13:45:05 +0200 |
| commit | 053225de121a950b94a1989802c22895797ffbfc (patch) | |
| tree | 5f43d03b93513720d843099098c56aa9f16b2c91 /drivers/net/wireless/iwlwifi/mvm | |
| parent | cd55ccea5978d7e87852be3ea5daf89c95b7e78a (diff) | |
iwlwifi: avoid read/write operations if the bus is dead
Recovery takes too much time if the bus is dead (each timeout
is 2000ms, etc.).
Explicitly skip fw dump in this case, as it will result in
garbage data (and might take signifcant time)
Signed-off-by: Eliad Peller <eliadx.peller@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/mvm')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/mvm/mac80211.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/iwlwifi/mvm/mac80211.c b/drivers/net/wireless/iwlwifi/mvm/mac80211.c index 5ce29ff36ed1..8e69ab22b0e0 100644 --- a/drivers/net/wireless/iwlwifi/mvm/mac80211.c +++ b/drivers/net/wireless/iwlwifi/mvm/mac80211.c @@ -1137,6 +1137,12 @@ void iwl_mvm_fw_error_dump(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); + /* there's no point in fw dump if the bus is dead */ + if (test_bit(STATUS_TRANS_DEAD, &mvm->trans->status)) { + IWL_ERR(mvm, "Skip fw error dump since bus is dead\n"); + return; + } + if (mvm->fw_dump_trig && mvm->fw_dump_trig->mode & IWL_FW_DBG_TRIGGER_MONITOR_ONLY) monitor_dump_only = true; |