netdev - linux-next: manual merge of the wireless-next tree with the net tree

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Date:	Tue, 12 Jun 2012 11:41:29 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	"John W. Linville" <linville@...driver.com>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
	Johannes Berg <johannes.berg@...el.com>,
	David Miller <davem@...emloft.net>, <netdev@...r.kernel.org>
Subject: linux-next: manual merge of the wireless-next tree with the net
 tree

Hi John,

Today's linux-next merge of the wireless-next tree got a conflict in
drivers/net/wireless/iwlwifi/pcie/trans.c between commit d012d04e4d63
("iwlwifi: disable the buggy chain extension feature in HW") from the net
tree and commit 4beaf6c2f8af ("iwlwifi: s/txq_setup/txq_enable") from the
wireless-next tree.

I fixed it up (I think - see below) and can carry the fix as necessary.
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

diff --cc drivers/net/wireless/iwlwifi/pcie/trans.c
index cb951ad,1eabb83..0000000
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@@ -1058,11 -1054,17 +1054,22 @@@ static void iwl_tx_start(struct iwl_tra
  	iwl_write_prph(trans, SCD_DRAM_BASE_ADDR,
  		       trans_pcie->scd_bc_tbls.dma >> 10);
  
 +	/* The chain extension of the SCD doesn't work well. This feature is
 +	 * enabled by default by the HW, so we need to disable it manually.
 +	 */
 +	iwl_write_prph(trans, SCD_CHAINEXT_EN, 0);
 +
+ 	for (i = 0; i < trans_pcie->n_q_to_fifo; i++) {
+ 		int fifo = trans_pcie->setup_q_to_fifo[i];
+ 
+ 		__iwl_trans_pcie_txq_enable(trans, i, fifo, IWL_INVALID_STATION,
+ 					    IWL_TID_NON_QOS,
+ 					    SCD_FRAME_LIMIT, 0);
+ 	}
+ 
+ 	/* Activate all Tx DMA/FIFO channels */
+ 	iwl_trans_txq_set_sched(trans, IWL_MASK(0, 7));
+ 
  	/* Enable DMA channel */
  	for (chan = 0; chan < FH_TCSR_CHNL_NUM ; chan++)
  		iwl_write_direct32(trans, FH_TCSR_CHNL_TX_CONFIG_REG(chan),
@@@ -1356,10 -1317,10 +1322,10 @@@ static int iwl_trans_pcie_tx(struct iwl
  	iwl_trans_txq_update_byte_cnt_tbl(trans, txq, le16_to_cpu(tx_cmd->len));
  
  	dma_sync_single_for_device(trans->dev, txcmd_phys, firstlen,
- 			DMA_BIDIRECTIONAL);
+ 				   DMA_BIDIRECTIONAL);
  
  	trace_iwlwifi_dev_tx(trans->dev,
 -			     &((struct iwl_tfd *)txq->tfds)[txq->q.write_ptr],
 +			     &txq->tfds[txq->q.write_ptr],
  			     sizeof(struct iwl_tfd),
  			     &dev_cmd->hdr, firstlen,
  			     skb->data + hdr_len, secondlen);

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