From c46563b714b09d44eec4d1fd8a0f53e79ddaa3aa Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Thu, 16 Jul 2009 12:14:58 +0200 Subject: [PATCH] mwl8k: remove MWL8K_RADIO_* defines Instead of passing a flag bitmask to mwl8k_cmd_802_11_radio_control, pass the 'enable' and 'force' arguments as separate parameters, and introduce wrappers for the common cases of enabling and disabling without forcing. Signed-off-by: Lennert Buytenhek Signed-off-by: John W. Linville --- drivers/net/wireless/mwl8k.c | 50 +++++++++++++++++++----------------- 1 file changed, 26 insertions(+), 24 deletions(-) diff --git a/drivers/net/wireless/mwl8k.c b/drivers/net/wireless/mwl8k.c index a2eeba17d37..78183c8b5f0 100644 --- a/drivers/net/wireless/mwl8k.c +++ b/drivers/net/wireless/mwl8k.c @@ -186,9 +186,10 @@ struct mwl8k_priv { struct ieee80211_channel channels[14]; struct ieee80211_rate rates[12]; + bool radio_on; + /* RF preamble: Short, Long or Auto */ u8 radio_preamble; - u8 radio_state; /* WMM MODE 1 for enabled; 0 for disabled */ bool wmm_mode; @@ -278,9 +279,6 @@ static const struct ieee80211_rate mwl8k_rates[] = { }; /* Radio settings */ -#define MWL8K_RADIO_FORCE 0x2 -#define MWL8K_RADIO_ENABLE 0x1 -#define MWL8K_RADIO_DISABLE 0x0 #define MWL8K_RADIO_AUTO_PREAMBLE 0x0005 #define MWL8K_RADIO_SHORT_PREAMBLE 0x0003 #define MWL8K_RADIO_LONG_PREAMBLE 0x0001 @@ -1195,7 +1193,7 @@ static int mwl8k_tx_wait_empty(struct ieee80211_hw *hw, u32 delay_ms) count = mwl8k_txq_busy(priv); if (count) { priv->tx_wait = &cmd_wait; - if (priv->radio_state) + if (priv->radio_on) mwl8k_tx_start(priv); } spin_unlock_bh(&priv->tx_lock); @@ -1318,7 +1316,7 @@ static void mwl8k_txq_reclaim(struct ieee80211_hw *hw, int index, int force) ieee80211_tx_status_irqsafe(hw, skb); - wake = !priv->inconfig && priv->radio_state; + wake = !priv->inconfig && priv->radio_on; } if (wake) @@ -1726,18 +1724,16 @@ struct mwl8k_cmd_802_11_radio_control { __le16 radio_on; } __attribute__((packed)); -static int mwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, int enable) +static int +mwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, bool enable, bool force) { struct mwl8k_priv *priv = hw->priv; struct mwl8k_cmd_802_11_radio_control *cmd; int rc; - if (((enable & MWL8K_RADIO_ENABLE) == priv->radio_state) && - !(enable & MWL8K_RADIO_FORCE)) + if (enable == priv->radio_on && !force) return 0; - enable &= MWL8K_RADIO_ENABLE; - cmd = kzalloc(sizeof(*cmd), GFP_KERNEL); if (cmd == NULL) return -ENOMEM; @@ -1752,11 +1748,21 @@ static int mwl8k_cmd_802_11_radio_control(struct ieee80211_hw *hw, int enable) kfree(cmd); if (!rc) - priv->radio_state = enable; + priv->radio_on = enable; return rc; } +static int mwl8k_cmd_802_11_radio_disable(struct ieee80211_hw *hw) +{ + return mwl8k_cmd_802_11_radio_control(hw, 0, 0); +} + +static int mwl8k_cmd_802_11_radio_enable(struct ieee80211_hw *hw) +{ + return mwl8k_cmd_802_11_radio_control(hw, 1, 0); +} + static int mwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) { @@ -1770,8 +1776,7 @@ mwl8k_set_radio_preamble(struct ieee80211_hw *hw, bool short_preamble) MWL8K_RADIO_SHORT_PREAMBLE : MWL8K_RADIO_LONG_PREAMBLE); - return mwl8k_cmd_802_11_radio_control(hw, - MWL8K_RADIO_ENABLE | MWL8K_RADIO_FORCE); + return mwl8k_cmd_802_11_radio_control(hw, 1, 1); } /* @@ -2483,7 +2488,7 @@ static irqreturn_t mwl8k_interrupt(int irq, void *dev_id) if (status & MWL8K_A2H_INT_QUEUE_EMPTY) { if (!priv->inconfig && - priv->radio_state && + priv->radio_on && mwl8k_txq_busy(priv)) mwl8k_tx_start(priv); } @@ -2661,7 +2666,7 @@ static void mwl8k_config_thread(struct work_struct *wt) spin_lock_irq(&priv->tx_lock); priv->inconfig = false; - if (priv->pending_tx_pkts && priv->radio_state) + if (priv->pending_tx_pkts && priv->radio_on) mwl8k_tx_start(priv); spin_unlock_irq(&priv->tx_lock); ieee80211_wake_queues(hw); @@ -2745,7 +2750,7 @@ static int mwl8k_start_wt(struct work_struct *wt) } /* Turn on radio */ - if (mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_ENABLE)) { + if (mwl8k_cmd_802_11_radio_enable(hw)) { rc = -EIO; goto mwl8k_start_exit; } @@ -2839,11 +2844,8 @@ static int mwl8k_stop_wt(struct work_struct *wt) { struct mwl8k_stop_worker *worker = (struct mwl8k_stop_worker *)wt; struct ieee80211_hw *hw = worker->header.hw; - int rc; - - rc = mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_DISABLE); - return rc; + return mwl8k_cmd_802_11_radio_disable(hw); } static void mwl8k_stop(struct ieee80211_hw *hw) @@ -2958,7 +2960,7 @@ static int mwl8k_config_wt(struct work_struct *wt) struct mwl8k_priv *priv = hw->priv; int rc = 0; - if (mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_ENABLE)) { + if (mwl8k_cmd_802_11_radio_enable(hw)) { rc = -EINVAL; goto mwl8k_config_exit; } @@ -3503,7 +3505,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev, /* Set default radio state and preamble */ priv->radio_preamble = MWL8K_RADIO_DEFAULT_PREAMBLE; - priv->radio_state = MWL8K_RADIO_DISABLE; + priv->radio_on = 0; /* Finalize join worker */ INIT_WORK(&priv->finalize_join_worker, mwl8k_finalize_join_worker); @@ -3584,7 +3586,7 @@ static int __devinit mwl8k_probe(struct pci_dev *pdev, } /* Turn radio off */ - rc = mwl8k_cmd_802_11_radio_control(hw, MWL8K_RADIO_DISABLE); + rc = mwl8k_cmd_802_11_radio_disable(hw); if (rc) { printk(KERN_ERR "%s: Cannot disable\n", priv->name); goto err_stop_firmware; -- 2.46.0