From: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx> Since it is needed for host commands only, it is needed in transport layer only Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@xxxxxxxxx> Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@xxxxxxxxx> --- drivers/net/wireless/iwlwifi/iwl-agn.c | 1 - drivers/net/wireless/iwlwifi/iwl-dev.h | 1 - drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c | 10 +++++----- drivers/net/wireless/iwlwifi/iwl-trans.c | 1 + drivers/net/wireless/iwlwifi/iwl-trans.h | 2 ++ 5 files changed, 8 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 7fa782d..65117e6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -3123,7 +3123,6 @@ static int iwl_init_drv(struct iwl_priv *priv) int ret; spin_lock_init(&priv->shrd->sta_lock); - spin_lock_init(&priv->hcmd_lock); mutex_init(&priv->shrd->mutex); diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index b1277cf..ad564b8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -1180,7 +1180,6 @@ struct iwl_priv { u8 mgmt_tx_ant; /* spinlock */ - spinlock_t hcmd_lock; /* protect hcmd */ spinlock_t reg_lock; /* protect hw register access */ /*TODO: remove these pointers - use bus(priv) instead */ diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c index 49845c7..a706993 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c @@ -601,10 +601,10 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) return -EIO; } - spin_lock_irqsave(&priv->hcmd_lock, flags); + spin_lock_irqsave(&trans->hcmd_lock, flags); if (iwl_queue_space(q) < ((cmd->flags & CMD_ASYNC) ? 2 : 1)) { - spin_unlock_irqrestore(&priv->hcmd_lock, flags); + spin_unlock_irqrestore(&trans->hcmd_lock, flags); IWL_ERR(trans, "No space in command queue\n"); is_ct_kill = iwl_check_for_ct_kill(priv); @@ -713,7 +713,7 @@ static int iwl_enqueue_hcmd(struct iwl_trans *trans, struct iwl_host_cmd *cmd) iwl_txq_update_write_ptr(priv, txq); out: - spin_unlock_irqrestore(&priv->hcmd_lock, flags); + spin_unlock_irqrestore(&trans->hcmd_lock, flags); return idx; } @@ -796,7 +796,7 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) } else if (meta->callback) meta->callback(priv, cmd, pkt); - spin_lock_irqsave(&priv->hcmd_lock, flags); + spin_lock_irqsave(&trans->hcmd_lock, flags); iwl_hcmd_queue_reclaim(priv, txq_id, index); @@ -809,7 +809,7 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) meta->flags = 0; - spin_unlock_irqrestore(&priv->hcmd_lock, flags); + spin_unlock_irqrestore(&trans->hcmd_lock, flags); } const char *get_cmd_string(u8 cmd) diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.c b/drivers/net/wireless/iwlwifi/iwl-trans.c index b448e79..73883fe 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans.c @@ -1284,6 +1284,7 @@ static struct iwl_trans *iwl_trans_pcie_alloc(struct iwl_shared *shrd) iwl_trans->ops = &trans_ops_pcie; iwl_trans->shrd = shrd; trans_pcie->trans = iwl_trans; + spin_lock_init(&iwl_trans->hcmd_lock); } return iwl_trans; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans.h b/drivers/net/wireless/iwlwifi/iwl-trans.h index da6cc59..78bd2f6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans.h +++ b/drivers/net/wireless/iwlwifi/iwl-trans.h @@ -146,10 +146,12 @@ struct iwl_trans_ops { * struct iwl_trans - transport common data * @ops - pointer to iwl_trans_ops * @shrd - pointer to iwl_shared which holds shared data from the upper layer + * @hcmd_lock: protects HCMD */ struct iwl_trans { const struct iwl_trans_ops *ops; struct iwl_shared *shrd; + spinlock_t hcmd_lock; /* pointer to trans specific struct */ /*Ensure that this pointer will always be aligned to sizeof pointer */ -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html