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author | David S. Miller <davem@davemloft.net> | 2011-11-04 17:14:34 -0400 |
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committer | David S. Miller <davem@davemloft.net> | 2011-11-04 17:14:34 -0400 |
commit | 39b02648d251dbfa27b576d55eeab4cc62228d86 (patch) | |
tree | c442c1edb4242667d65340c20adee7da7afb66c2 /drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | |
parent | 1583171492eb514e267c7b51e96846b38de0f544 (diff) | |
parent | 22097fd297c85ec6c2e700d506f231f7cae442e1 (diff) | |
download | op-kernel-dev-39b02648d251dbfa27b576d55eeab4cc62228d86.zip op-kernel-dev-39b02648d251dbfa27b576d55eeab4cc62228d86.tar.gz |
Merge branch 'for-davem' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-trans-pcie.c')
-rw-r--r-- | drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index 8e8c75c..da34110 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -407,6 +407,7 @@ static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id) struct iwl_queue *q = &txq->q; enum dma_data_direction dma_dir; unsigned long flags; + spinlock_t *lock; if (!q->n_bd) return; @@ -414,19 +415,22 @@ static void iwl_tx_queue_unmap(struct iwl_trans *trans, int txq_id) /* In the command queue, all the TBs are mapped as BIDI * so unmap them as such. */ - if (txq_id == trans->shrd->cmd_queue) + if (txq_id == trans->shrd->cmd_queue) { dma_dir = DMA_BIDIRECTIONAL; - else + lock = &trans->hcmd_lock; + } else { dma_dir = DMA_TO_DEVICE; + lock = &trans->shrd->sta_lock; + } - spin_lock_irqsave(&trans->shrd->sta_lock, flags); + spin_lock_irqsave(lock, flags); while (q->write_ptr != q->read_ptr) { /* The read_ptr needs to bound by q->n_window */ iwlagn_txq_free_tfd(trans, txq, get_cmd_index(q, q->read_ptr), dma_dir); q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd); } - spin_unlock_irqrestore(&trans->shrd->sta_lock, flags); + spin_unlock_irqrestore(lock, flags); } /** |