diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2013-12-11 12:22:28 +0400 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2013-12-21 23:23:03 +0400 |
| commit | 7b70bd63c61d17a05a03bfc2f4eb83c1200a2509 (patch) | |
| tree | 309e8b738b833edc0ce9ac7616848337a4ca219b /drivers/net/wireless/iwlwifi/pcie/tx.c | |
| parent | 7ba1faa45f5d1ea2ddd36c6d5f59a81fea611d92 (diff) | |
| download | linux-7b70bd63c61d17a05a03bfc2f4eb83c1200a2509.tar.xz | |
iwlwifi: pcie: use don't disable interrupt when irq_lock is taken
Since we don't take this lock in the primary interrupt
handler, there is no pointin disabling the interrupt
in the critical section protected by trans_pcie->irq_lock.
Reviewed-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Diffstat (limited to 'drivers/net/wireless/iwlwifi/pcie/tx.c')
| -rw-r--r-- | drivers/net/wireless/iwlwifi/pcie/tx.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/pcie/tx.c b/drivers/net/wireless/iwlwifi/pcie/tx.c index 8df24787c141..b49a185355e4 100644 --- a/drivers/net/wireless/iwlwifi/pcie/tx.c +++ b/drivers/net/wireless/iwlwifi/pcie/tx.c @@ -737,10 +737,9 @@ int iwl_pcie_tx_stop(struct iwl_trans *trans) { struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); int ch, txq_id, ret; - unsigned long flags; /* Turn off all Tx DMA fifos */ - spin_lock_irqsave(&trans_pcie->irq_lock, flags); + spin_lock(&trans_pcie->irq_lock); iwl_pcie_txq_set_sched(trans, 0); @@ -757,7 +756,7 @@ int iwl_pcie_tx_stop(struct iwl_trans *trans) iwl_read_direct32(trans, FH_TSSR_TX_STATUS_REG)); } - spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); + spin_unlock(&trans_pcie->irq_lock); if (!trans_pcie->txq) { IWL_WARN(trans, @@ -865,7 +864,6 @@ int iwl_pcie_tx_init(struct iwl_trans *trans) struct iwl_trans_pcie *trans_pcie = IWL_TRANS_GET_PCIE_TRANS(trans); int ret; int txq_id, slots_num; - unsigned long flags; bool alloc = false; if (!trans_pcie->txq) { @@ -875,7 +873,7 @@ int iwl_pcie_tx_init(struct iwl_trans *trans) alloc = true; } - spin_lock_irqsave(&trans_pcie->irq_lock, flags); + spin_lock(&trans_pcie->irq_lock); /* Turn off all Tx DMA fifos */ iwl_write_prph(trans, SCD_TXFACT, 0); @@ -884,7 +882,7 @@ int iwl_pcie_tx_init(struct iwl_trans *trans) iwl_write_direct32(trans, FH_KW_MEM_ADDR_REG, trans_pcie->kw.dma >> 4); - spin_unlock_irqrestore(&trans_pcie->irq_lock, flags); + spin_unlock(&trans_pcie->irq_lock); /* Alloc and init all Tx queues, including the command queue (#4/#9) */ for (txq_id = 0; txq_id < trans->cfg->base_params->num_of_queues; |