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iwlwifi: print the scratch of all the buffers stuck in a queue

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Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Emmanuel Grumbach 2012-06-13 14:16:40 +03:00 committed by Johannes Berg
parent 303e56f2d2
commit e9d364de1a
1 changed files with 9 additions and 0 deletions

9
drivers/net/wireless/iwlwifi/pcie/trans.c

@ -296,6 +296,7 @@ static void iwlagn_free_dma_ptr(struct iwl_trans *trans,
static void iwl_trans_pcie_queue_stuck_timer(unsigned long data)
{
struct iwl_tx_queue *txq = (void *)data;
struct iwl_queue *q = &txq->q;
struct iwl_trans_pcie *trans_pcie = txq->trans_pcie;
struct iwl_trans *trans = iwl_trans_pcie_get_trans(trans_pcie);
u32 scd_sram_addr = trans_pcie->scd_base_addr +
@ -346,6 +347,14 @@ static void iwl_trans_pcie_queue_stuck_timer(unsigned long data)
iwl_read_prph(trans, SCD_QUEUE_WRPTR(i)));
}
for (i = q->read_ptr; i != q->write_ptr;
i = iwl_queue_inc_wrap(i, q->n_bd)) {
struct iwl_tx_cmd *tx_cmd =
(struct iwl_tx_cmd *)txq->entries[i].cmd->payload;
IWL_ERR(trans, "scratch %d = 0x%08x\n", i,
get_unaligned_le32(&tx_cmd->scratch));
}
iwl_op_mode_nic_error(trans->op_mode);
}