From afaf6b5742f85bab46232faae97fdd1493061173 Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Fri, 8 Jul 2011 08:46:09 -0700 Subject: [PATCH] iwlagn: remove the CMD_MAPPED flag It is uneeded since Johannes removed the HUGE flag. The DMA mapping is always held in the same index as the command. Signed-off-by: Emmanuel Grumbach Signed-off-by: Wey-Yi Guy Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-dev.h | 1 - drivers/net/wireless/iwlwifi/iwl-tx.c | 16 ++++------------ 2 files changed, 4 insertions(+), 13 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index f4501f836155..e429e32f748e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -263,7 +263,6 @@ enum { CMD_NO_SKB = 0, CMD_ASYNC = (1 << 1), CMD_WANT_SKB = (1 << 2), - CMD_MAPPED = (1 << 3), }; #define DEF_CMD_PAYLOAD_SIZE 320 diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c index db5abaa2ff7e..dc8f63f81cfa 100644 --- a/drivers/net/wireless/iwlwifi/iwl-tx.c +++ b/drivers/net/wireless/iwlwifi/iwl-tx.c @@ -291,11 +291,9 @@ void iwl_cmd_queue_unmap(struct iwl_priv *priv) while (q->read_ptr != q->write_ptr) { i = get_cmd_index(q, q->read_ptr); - if (txq->meta[i].flags & CMD_MAPPED) { - iwlagn_unmap_tfd(priv, &txq->meta[i], &txq->tfds[i], - DMA_BIDIRECTIONAL); - txq->meta[i].flags = 0; - } + iwlagn_unmap_tfd(priv, &txq->meta[i], &txq->tfds[i], + DMA_BIDIRECTIONAL); + txq->meta[i].flags = 0; q->read_ptr = iwl_queue_inc_wrap(q->read_ptr, q->n_bd); } @@ -496,11 +494,6 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) out_cmd = txq->cmd[idx]; out_meta = &txq->meta[idx]; - if (WARN_ON(out_meta->flags & CMD_MAPPED)) { - spin_unlock_irqrestore(&priv->hcmd_lock, flags); - return -ENOSPC; - } - memset(out_meta, 0, sizeof(*out_meta)); /* re-initialize to NULL */ if (cmd->flags & CMD_WANT_SKB) out_meta->source = cmd; @@ -574,7 +567,7 @@ int iwl_enqueue_hcmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd) #endif } - out_meta->flags = cmd->flags | CMD_MAPPED; + out_meta->flags = cmd->flags; txq->need_update = 1; @@ -684,7 +677,6 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) wake_up_interruptible(&priv->wait_command_queue); } - /* Mark as unmapped */ meta->flags = 0; spin_unlock_irqrestore(&priv->hcmd_lock, flags); -- 2.34.1