diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2013-09-11 15:16:20 +0400 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-10-11 11:56:57 +0400 |
| commit | 42550a53db232383ffe8d0c7d0ae9e72e2ca986b (patch) | |
| tree | 26fc37a8330b355cba69bf2004cd9aa87e3956d4 /drivers/net/wireless/iwlwifi/pcie/tx.c | |
| parent | d1d5e3cda07fc8ddc6c9dc768eca50c17d675abc (diff) | |
| download | linux-42550a53db232383ffe8d0c7d0ae9e72e2ca986b.tar.xz | |
iwlwifi: pcie: restart the driver when a command times out
This should really not happen. If it does, restarting is the
only way to recover since the driver and the firmware might
very well be out of sync. Moreover, iwl_op_mode_nic_error
will print data that might help debugging.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie/tx.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/tx.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index a70a30e2aeb0..b4168415538c 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -1529,7 +1529,6 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans, "Error sending %s: time out after %dms.\n", get_cmd_string(trans_pcie, cmd->id), jiffies_to_msecs(HOST_COMPLETE_TIMEOUT)); - dump_stack(); IWL_ERR(trans, "Current CMD queue read_ptr %d write_ptr %d\n", @@ -1540,6 +1539,9 @@ static int iwl_pcie_send_hcmd_sync(struct iwl_trans *trans, "Clearing HCMD_ACTIVE for command %s\n", get_cmd_string(trans_pcie, cmd->id)); ret = -ETIMEDOUT; + + iwl_op_mode_nic_error(trans->op_mode); + goto cancel; } } |