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iwlagn: add cmd queue pointer info when timeout

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When detect cmd queue time out, display the current read/write pointer

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy
2011-10-10 07:26:46 -07:00
committed by John W. Linville
parent 722c9930f2
commit d10630aff7
1 changed files with 9 additions and 0 deletions
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9
drivers/net/wireless/iwlwifi/iwl-trans-pcie-tx.c
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@@ -1013,11 +1013,20 @@ static int iwl_send_cmd_sync(struct iwl_trans *trans, struct iwl_host_cmd *cmd)
HOST_COMPLETE_TIMEOUT); HOST_COMPLETE_TIMEOUT);
if (!ret) { if (!ret) {
if (test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status)) { if (test_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status)) {
struct iwl_priv *priv = priv(trans);
struct iwl_tx_queue *txq =
&trans_pcie->txq[priv->shrd->cmd_queue];
struct iwl_queue *q = &txq->q;
IWL_ERR(trans, IWL_ERR(trans,
"Error sending %s: time out after %dms.\n", "Error sending %s: time out after %dms.\n",
get_cmd_string(cmd->id), get_cmd_string(cmd->id),
jiffies_to_msecs(HOST_COMPLETE_TIMEOUT)); jiffies_to_msecs(HOST_COMPLETE_TIMEOUT));
IWL_ERR(trans,
"Current CMD queue read_ptr %d write_ptr %d\n",
q->read_ptr, q->write_ptr);
clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status); clear_bit(STATUS_HCMD_ACTIVE, &trans->shrd->status);
IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command" IWL_DEBUG_INFO(trans, "Clearing HCMD_ACTIVE for command"
"%s\n", get_cmd_string(cmd->id)); "%s\n", get_cmd_string(cmd->id));