From e0498146c8792b1ebc321c0e29e633b6a0918a6e Mon Sep 17 00:00:00 2001 From: Sara Sharon Date: Thu, 4 Jan 2018 13:53:55 +0200 Subject: [PATCH] iwlwifi: pcie: allocate shorter TX queues for 22000 devices When support for shorter TX queues was introduced, it didn't include the actual allocation of shorter queue, which is the main motive for the change. Signed-off-by: Sara Sharon Signed-off-by: Luca Coelho --- drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c | 2 +- drivers/net/wireless/intel/iwlwifi/pcie/tx.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c index b605b364ed3f..734a5fc3584d 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx-gen2.c @@ -993,7 +993,7 @@ static void iwl_pcie_gen2_txq_free_memory(struct iwl_trans *trans, /* De-alloc circular buffer of TFDs */ if (txq->tfds) { dma_free_coherent(dev, - trans_pcie->tfd_size * TFD_QUEUE_SIZE_MAX, + trans_pcie->tfd_size * txq->n_window, txq->tfds, txq->dma_addr); dma_free_coherent(dev, sizeof(*txq->first_tb_bufs) * txq->n_window, diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c index 86873b99e5d7..4493520aae1e 100644 --- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c @@ -495,6 +495,9 @@ int iwl_pcie_txq_alloc(struct iwl_trans *trans, struct iwl_txq *txq, if (WARN_ON(txq->entries || txq->tfds)) return -EINVAL; + if (trans->cfg->use_tfh) + tfd_sz = trans_pcie->tfd_size * slots_num; + timer_setup(&txq->stuck_timer, iwl_pcie_txq_stuck_timer, 0); txq->trans_pcie = trans_pcie;