From 141c43a3e4c7e8543fea982284765fda5e73837e Mon Sep 17 00:00:00 2001 From: "Winkler, Tomas" Date: Thu, 8 Jan 2009 10:19:53 -0800 Subject: [PATCH] iwl3945: kill iwl3945_rx_queue_restock This patch kills iwl3945_rx_queue_restock function on prise of new hw_params.rx_wrt_ptr_reg which holds per NIC RX write pointer register. Signed-off-by: Tomas Winkler Signed-off-by: Zhu Yi Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-3945.c | 4 +- drivers/net/wireless/iwlwifi/iwl-3945.h | 2 - drivers/net/wireless/iwlwifi/iwl-4965.c | 2 + drivers/net/wireless/iwlwifi/iwl-5000.c | 2 + drivers/net/wireless/iwlwifi/iwl-dev.h | 2 + drivers/net/wireless/iwlwifi/iwl-rx.c | 14 +++--- drivers/net/wireless/iwlwifi/iwl3945-base.c | 50 +-------------------- 7 files changed, 18 insertions(+), 58 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c index 8efe33805e11..24d818d1b06b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945.c @@ -1218,7 +1218,7 @@ int iwl3945_hw_nic_init(struct iwl_priv *priv) /* Look at using this instead: rxq->need_update = 1; - iwl3945_rx_queue_update_write_ptr(priv, rxq); + iwl_rx_queue_update_write_ptr(priv, rxq); */ rc = iwl_grab_nic_access(priv); @@ -2492,6 +2492,8 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.max_stations = IWL3945_STATION_COUNT; priv->hw_params.bcast_sta_id = IWL3945_BROADCAST_ID; + priv->hw_params.rx_wrt_ptr_reg = FH39_RSCSR_CHNL0_WPTR; + return 0; } diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.h b/drivers/net/wireless/iwlwifi/iwl-3945.h index c5f5481edb35..3041616d39cc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945.h +++ b/drivers/net/wireless/iwlwifi/iwl-3945.h @@ -225,8 +225,6 @@ extern int __must_check iwl3945_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd); extern unsigned int iwl3945_fill_beacon_frame(struct iwl_priv *priv, struct ieee80211_hdr *hdr,int left); -extern int iwl3945_rx_queue_update_write_ptr(struct iwl_priv *priv, - struct iwl_rx_queue *q); extern int iwl3945_send_statistics_request(struct iwl_priv *priv); extern void iwl3945_set_decrypted_flag(struct iwl_priv *priv, struct sk_buff *skb, u32 decrypt_res, diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c index e68d587a44b1..57efd4890dd0 100644 --- a/drivers/net/wireless/iwlwifi/iwl-4965.c +++ b/drivers/net/wireless/iwlwifi/iwl-4965.c @@ -822,6 +822,8 @@ static int iwl4965_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.max_bsm_size = BSM_SRAM_SIZE; priv->hw_params.fat_channel = BIT(IEEE80211_BAND_5GHZ); + priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; + priv->hw_params.tx_chains_num = 2; priv->hw_params.rx_chains_num = 2; priv->hw_params.valid_tx_ant = ANT_A | ANT_B; diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c index 76d86fe2b41d..d20d2ba0c10d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-5000.c +++ b/drivers/net/wireless/iwlwifi/iwl-5000.c @@ -844,6 +844,8 @@ static int iwl5000_hw_set_hw_params(struct iwl_priv *priv) priv->hw_params.max_bsm_size = 0; priv->hw_params.fat_channel = BIT(IEEE80211_BAND_2GHZ) | BIT(IEEE80211_BAND_5GHZ); + priv->hw_params.rx_wrt_ptr_reg = FH_RSCSR_CHNL0_WPTR; + priv->hw_params.sens = &iwl5000_sensitivity; switch (priv->hw_rev & CSR_HW_REV_TYPE_MSK) { diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h index a092401fd9c0..fbc4822c19a8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-dev.h +++ b/drivers/net/wireless/iwlwifi/iwl-dev.h @@ -563,6 +563,7 @@ struct iwl_sensitivity_ranges { * @max_rxq_size: Max # Rx frames in Rx queue (must be power-of-2) * @max_rxq_log: Log-base-2 of max_rxq_size * @rx_buf_size: Rx buffer size + * @rx_wrt_ptr_reg: FH{39}_RSCSR_CHNL0_WPTR * @max_stations: * @bcast_sta_id: * @fat_channel: is 40MHz width possible in band 2.4 @@ -584,6 +585,7 @@ struct iwl_hw_params { u16 max_rxq_size; u16 max_rxq_log; u32 rx_buf_size; + u32 rx_wrt_ptr_reg; u32 max_pkt_size; u8 max_stations; u8 bcast_sta_id; diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c index bc3febe74d68..60be47f8c4a8 100644 --- a/drivers/net/wireless/iwlwifi/iwl-rx.c +++ b/drivers/net/wireless/iwlwifi/iwl-rx.c @@ -125,9 +125,10 @@ EXPORT_SYMBOL(iwl_rx_queue_space); */ int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) { - u32 reg = 0; - int ret = 0; unsigned long flags; + u32 rx_wrt_ptr_reg = priv->hw_params.rx_wrt_ptr_reg; + u32 reg; + int ret = 0; spin_lock_irqsave(&q->lock, flags); @@ -149,15 +150,14 @@ int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) goto exit_unlock; /* Device expects a multiple of 8 */ - iwl_write_direct32(priv, FH_RSCSR_CHNL0_WPTR, - q->write & ~0x7); + iwl_write_direct32(priv, rx_wrt_ptr_reg, q->write & ~0x7); iwl_release_nic_access(priv); /* Else device is assumed to be awake */ - } else + } else { /* Device expects a multiple of 8 */ - iwl_write32(priv, FH_RSCSR_CHNL0_WPTR, q->write & ~0x7); - + iwl_write32(priv, rx_wrt_ptr_reg, q->write & ~0x7); + } q->need_update = 0; diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index 43cfc6ec5163..04466d30fe4b 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -3218,52 +3218,6 @@ static int iwl3945_rx_queue_space(const struct iwl_rx_queue *q) return s; } -/** - * iwl3945_rx_queue_update_write_ptr - Update the write pointer for the RX queue - */ -int iwl3945_rx_queue_update_write_ptr(struct iwl_priv *priv, struct iwl_rx_queue *q) -{ - u32 reg = 0; - int rc = 0; - unsigned long flags; - - spin_lock_irqsave(&q->lock, flags); - - if (q->need_update == 0) - goto exit_unlock; - - /* If power-saving is in use, make sure device is awake */ - if (test_bit(STATUS_POWER_PMI, &priv->status)) { - reg = iwl_read32(priv, CSR_UCODE_DRV_GP1); - - if (reg & CSR_UCODE_DRV_GP1_BIT_MAC_SLEEP) { - iwl_set_bit(priv, CSR_GP_CNTRL, - CSR_GP_CNTRL_REG_FLAG_MAC_ACCESS_REQ); - goto exit_unlock; - } - - rc = iwl_grab_nic_access(priv); - if (rc) - goto exit_unlock; - - /* Device expects a multiple of 8 */ - iwl_write_direct32(priv, FH39_RSCSR_CHNL0_WPTR, - q->write & ~0x7); - iwl_release_nic_access(priv); - - /* Else device is assumed to be awake */ - } else - /* Device expects a multiple of 8 */ - iwl_write32(priv, FH39_RSCSR_CHNL0_WPTR, q->write & ~0x7); - - - q->need_update = 0; - - exit_unlock: - spin_unlock_irqrestore(&q->lock, flags); - return rc; -} - /** * iwl3945_dma_addr2rbd_ptr - convert a DMA address to a uCode read buffer ptr */ @@ -3320,7 +3274,7 @@ static int iwl3945_rx_queue_restock(struct iwl_priv *priv) spin_lock_irqsave(&rxq->lock, flags); rxq->need_update = 1; spin_unlock_irqrestore(&rxq->lock, flags); - rc = iwl3945_rx_queue_update_write_ptr(priv, rxq); + rc = iwl_rx_queue_update_write_ptr(priv, rxq); if (rc) return rc; } @@ -4007,7 +3961,7 @@ static void iwl3945_irq_tasklet(struct iwl_priv *priv) /* uCode wakes up after power-down sleep */ if (inta & CSR_INT_BIT_WAKEUP) { IWL_DEBUG_ISR("Wakeup interrupt\n"); - iwl3945_rx_queue_update_write_ptr(priv, &priv->rxq); + iwl_rx_queue_update_write_ptr(priv, &priv->rxq); iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[0]); iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[1]); iwl3945_tx_queue_update_write_ptr(priv, &priv->txq[2]); -- 2.30.2