From 4e760f1ab267edcd6e4b232ff732fc9cdc659ebb Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Mon, 15 Oct 2012 17:57:36 +0200 Subject: [PATCH] iwlwifi: don't WARN when a non empty queue is disabled This can happen when we shut down suddenly an interface. Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg --- drivers/net/wireless/iwlwifi/pcie/tx.c | 8 -------- 1 file changed, 8 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 39ead8c..db3efbb8 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -480,11 +480,9 @@ void iwl_trans_pcie_txq_enable(struct iwl_trans *trans, int txq_id, int fifo, void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); - u16 rd_ptr, wr_ptr; u32 stts_addr = trans_pcie->scd_base_addr + SCD_TX_STTS_QUEUE_OFFSET(txq_id); static const u32 zero_val[4] = {}; - int n_bd = trans_pcie->txq[txq_id].q.n_bd; if (!test_and_clear_bit(txq_id, trans_pcie->queue_used)) { WARN_ONCE(1, "queue %d not used", txq_id); @@ -493,12 +491,6 @@ void iwl_trans_pcie_txq_disable(struct iwl_trans *trans, int txq_id) iwl_txq_set_inactive(trans, txq_id); - rd_ptr = iwl_read_prph(trans, SCD_QUEUE_RDPTR(txq_id)) & (n_bd - 1); - wr_ptr = iwl_read_prph(trans, SCD_QUEUE_WRPTR(txq_id)); - - WARN_ONCE(rd_ptr != wr_ptr, "queue %d isn't empty: [%d,%d]", - txq_id, rd_ptr, wr_ptr); - _iwl_write_targ_mem_dwords(trans, stts_addr, zero_val, ARRAY_SIZE(zero_val)); -- 2.7.4