From: Abhijeet Kolekar Date: Wed, 18 Mar 2009 04:51:48 +0000 (-0700) Subject: iwl3945: set TFD_QUEUE_MAX to correct value X-Git-Tag: v3.0~9763^2~83^2~65 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=21c02a1ab2d4b4a439461140e1ac355db32c3f2b;p=platform%2Fkernel%2Flinux-amlogic.git iwl3945: set TFD_QUEUE_MAX to correct value Total number of queues is 8 but only 7 of them are TX queues. 4 AC(Data) queue ,1 CMD and 2 HCCA. The HCCA queues are not used. max_txq_num is set to maximum usable TX queues. Signed-off-by: Abhijeet Kolekar Signed-off-by: Reinette Chatre Signed-off-by: John W. Linville --- diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h index 205603d..73f93a0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h @@ -233,7 +233,7 @@ struct iwl3945_eeprom { #define PCI_CFG_REV_ID_BIT_RTP (0x80) /* bit 7 */ #define TFD_QUEUE_MIN 0 -#define TFD_QUEUE_MAX 6 +#define TFD_QUEUE_MAX 5 /* 4 DATA + 1 CMD */ #define IWL_NUM_SCAN_RATES (2) diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index ba7e720..99bb48e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -1046,7 +1046,7 @@ static int iwl3945_txq_ctx_reset(struct iwl_priv *priv) goto error; /* Tx queue(s) */ - for (txq_id = 0; txq_id < TFD_QUEUE_MAX; txq_id++) { + for (txq_id = 0; txq_id <= priv->hw_params.max_txq_num; txq_id++) { slots_num = (txq_id == IWL_CMD_QUEUE_NUM) ? TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS; rc = iwl_tx_queue_init(priv, &priv->txq[txq_id], slots_num, @@ -1239,7 +1239,7 @@ void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv) int txq_id; /* Tx queues */ - for (txq_id = 0; txq_id < TFD_QUEUE_MAX; txq_id++) + for (txq_id = 0; txq_id <= priv->hw_params.max_txq_num; txq_id++) iwl_tx_queue_free(priv, txq_id); } @@ -1259,7 +1259,7 @@ void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv) iwl_write_prph(priv, ALM_SCD_MODE_REG, 0); /* reset TFD queues */ - for (txq_id = 0; txq_id < TFD_QUEUE_MAX; txq_id++) { + for (txq_id = 0; txq_id <= priv->hw_params.max_txq_num; txq_id++) { iwl_write_direct32(priv, FH39_TCSR_CONFIG(txq_id), 0x0); iwl_poll_direct_bit(priv, FH39_TSSR_TX_STATUS, FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(txq_id), @@ -2488,6 +2488,9 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv) return -ENOMEM; } + /* Assign number of Usable TX queues */ + priv->hw_params.max_txq_num = TFD_QUEUE_MAX; + priv->hw_params.tfd_size = sizeof(struct iwl3945_tfd); priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_3K; priv->hw_params.max_pkt_size = 2342;