Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem

7 files changed, 71 insertions, 18 deletions

diff --git a/drivers/net/wireless/ath/ath5k/ahb.c b/drivers/net/wireless/ath/ath5k/ahb.c
index 8c50d9d19d78..aec33cc207fd 100644
--- a/drivers/net/wireless/ath/ath5k/ahb.c
+++ b/drivers/net/wireless/ath/ath5k/ahb.c
@@ -220,6 +220,7 @@ static int ath_ahb_remove(struct platform_device *pdev)
 	}
 
 	ath5k_deinit_ah(ah);
+	iounmap(ah->iobase);
 	platform_set_drvdata(pdev, NULL);
 	ieee80211_free_hw(hw);
 
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index c79e6638c88d..e4d6dc2e37d1 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -4827,8 +4827,14 @@ static int b43_op_start(struct ieee80211_hw *hw)
  out_mutex_unlock:
 	mutex_unlock(&wl->mutex);
 
-	/* reload configuration */
-	b43_op_config(hw, ~0);
+	/*
+	 * Configuration may have been overwritten during initialization.
+	 * Reload the configuration, but only if initialization was
+	 * successful. Reloading the configuration after a failed init
+	 * may hang the system.
+	 */
+	if (!err)
+		b43_op_config(hw, ~0);
 
 	return err;
 }
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
index 4688904908ec..758c115b556e 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
@@ -108,9 +108,15 @@ static inline int brcmf_sdioh_f0_write_byte(struct brcmf_sdio_dev *sdiodev,
 			sdio_release_host(sdfunc);
 		}
 	} else if (regaddr == SDIO_CCCR_ABORT) {
+		sdfunc = kmemdup(sdiodev->func[0], sizeof(struct sdio_func),
+				 GFP_KERNEL);
+		if (!sdfunc)
+			return -ENOMEM;
+		sdfunc->num = 0;
 		sdio_claim_host(sdfunc);
 		sdio_writeb(sdfunc, *byte, regaddr, &err_ret);
 		sdio_release_host(sdfunc);
+		kfree(sdfunc);
 	} else if (regaddr < 0xF0) {
 		brcmf_dbg(ERROR, "F0 Wr:0x%02x: write disallowed\n", regaddr);
 		err_ret = -EPERM;
@@ -486,7 +492,7 @@ static int brcmf_ops_sdio_probe(struct sdio_func *func,
 			kfree(bus_if);
 			return -ENOMEM;
 		}
-		sdiodev->func[0] = func->card->sdio_func[0];
+		sdiodev->func[0] = func;
 		sdiodev->func[1] = func;
 		sdiodev->bus_if = bus_if;
 		bus_if->bus_priv.sdio = sdiodev;
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
index 2bf5dda29291..eb3829b03cd3 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_sdio.c
@@ -574,6 +574,8 @@ struct brcmf_sdio {
 
 	struct task_struct *dpc_tsk;
 	struct completion dpc_wait;
+	struct list_head dpc_tsklst;
+	spinlock_t dpc_tl_lock;
 
 	struct semaphore sdsem;
 
@@ -2594,29 +2596,58 @@ clkwait:
 	return resched;
 }
 
+static inline void brcmf_sdbrcm_adddpctsk(struct brcmf_sdio *bus)
+{
+	struct list_head *new_hd;
+	unsigned long flags;
+
+	if (in_interrupt())
+		new_hd = kzalloc(sizeof(struct list_head), GFP_ATOMIC);
+	else
+		new_hd = kzalloc(sizeof(struct list_head), GFP_KERNEL);
+	if (new_hd == NULL)
+		return;
+
+	spin_lock_irqsave(&bus->dpc_tl_lock, flags);
+	list_add_tail(new_hd, &bus->dpc_tsklst);
+	spin_unlock_irqrestore(&bus->dpc_tl_lock, flags);
+}
+
 static int brcmf_sdbrcm_dpc_thread(void *data)
 {
 	struct brcmf_sdio *bus = (struct brcmf_sdio *) data;
+	struct list_head *cur_hd, *tmp_hd;
+	unsigned long flags;
 
 	allow_signal(SIGTERM);
 	/* Run until signal received */
 	while (1) {
 		if (kthread_should_stop())
 			break;
-		if (!wait_for_completion_interruptible(&bus->dpc_wait)) {
-			/* Call bus dpc unless it indicated down
-			(then clean stop) */
-			if (bus->sdiodev->bus_if->state != BRCMF_BUS_DOWN) {
-				if (brcmf_sdbrcm_dpc(bus))
-					complete(&bus->dpc_wait);
-			} else {
+
+		if (list_empty(&bus->dpc_tsklst))
+			if (wait_for_completion_interruptible(&bus->dpc_wait))
+				break;
+
+		spin_lock_irqsave(&bus->dpc_tl_lock, flags);
+		list_for_each_safe(cur_hd, tmp_hd, &bus->dpc_tsklst) {
+			spin_unlock_irqrestore(&bus->dpc_tl_lock, flags);
+
+			if (bus->sdiodev->bus_if->state == BRCMF_BUS_DOWN) {
 				/* after stopping the bus, exit thread */
 				brcmf_sdbrcm_bus_stop(bus->sdiodev->dev);
 				bus->dpc_tsk = NULL;
 				break;
 			}
-		} else
-			break;
+
+			if (brcmf_sdbrcm_dpc(bus))
+				brcmf_sdbrcm_adddpctsk(bus);
+
+			spin_lock_irqsave(&bus->dpc_tl_lock, flags);
+			list_del(cur_hd);
+			kfree(cur_hd);
+		}
+		spin_unlock_irqrestore(&bus->dpc_tl_lock, flags);
 	}
 	return 0;
 }
@@ -2669,8 +2700,10 @@ static int brcmf_sdbrcm_bus_txdata(struct device *dev, struct sk_buff *pkt)
 	/* Schedule DPC if needed to send queued packet(s) */
 	if (!bus->dpc_sched) {
 		bus->dpc_sched = true;
-		if (bus->dpc_tsk)
+		if (bus->dpc_tsk) {
+			brcmf_sdbrcm_adddpctsk(bus);
 			complete(&bus->dpc_wait);
+		}
 	}
 
 	return ret;
@@ -3514,8 +3547,10 @@ void brcmf_sdbrcm_isr(void *arg)
 		brcmf_dbg(ERROR, "isr w/o interrupt configured!\n");
 
 	bus->dpc_sched = true;
-	if (bus->dpc_tsk)
+	if (bus->dpc_tsk) {
+		brcmf_sdbrcm_adddpctsk(bus);
 		complete(&bus->dpc_wait);
+	}
 }
 
 static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus)
@@ -3559,8 +3594,10 @@ static bool brcmf_sdbrcm_bus_watchdog(struct brcmf_sdio *bus)
 				bus->ipend = true;
 
 				bus->dpc_sched = true;
-				if (bus->dpc_tsk)
+				if (bus->dpc_tsk) {
+					brcmf_sdbrcm_adddpctsk(bus);
 					complete(&bus->dpc_wait);
+				}
 			}
 		}
 
@@ -3897,6 +3934,8 @@ void *brcmf_sdbrcm_probe(u32 regsva, struct brcmf_sdio_dev *sdiodev)
 	}
 	/* Initialize DPC thread */
 	init_completion(&bus->dpc_wait);
+	INIT_LIST_HEAD(&bus->dpc_tsklst);
+	spin_lock_init(&bus->dpc_tl_lock);
 	bus->dpc_tsk = kthread_run(brcmf_sdbrcm_dpc_thread,
 				   bus, "brcmf_dpc");
 	if (IS_ERR(bus->dpc_tsk)) {
diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c
index b1b69515b1a0..f0c91505a7f7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-6000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-6000.c
@@ -336,7 +336,7 @@ static const struct iwl_bt_params iwl6000_bt_params = {
 #define IWL_DEVICE_6005						\
 	.fw_name_pre = IWL6005_FW_PRE,				\
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,		\
-	.ucode_api_ok = IWL6000G2B_UCODE_API_OK,		\
+	.ucode_api_ok = IWL6000G2_UCODE_API_OK,			\
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
@@ -390,7 +390,7 @@ const struct iwl_cfg iwl6005_2agn_mow2_cfg = {
 #define IWL_DEVICE_6030						\
 	.fw_name_pre = IWL6030_FW_PRE,				\
 	.ucode_api_max = IWL6000G2_UCODE_API_MAX,		\
-	.ucode_api_ok = IWL6000G2_UCODE_API_OK,			\
+	.ucode_api_ok = IWL6000G2B_UCODE_API_OK,		\
 	.ucode_api_min = IWL6000G2_UCODE_API_MIN,		\
 	.max_inst_size = IWL60_RTC_INST_SIZE,			\
 	.max_data_size = IWL60_RTC_DATA_SIZE,			\
diff --git a/drivers/net/wireless/wl1251/main.c b/drivers/net/wireless/wl1251/main.c
index 41302c7b1ad0..d1afb8e3b2ef 100644
--- a/drivers/net/wireless/wl1251/main.c
+++ b/drivers/net/wireless/wl1251/main.c
@@ -479,6 +479,7 @@ static void wl1251_op_stop(struct ieee80211_hw *hw)
 	cancel_work_sync(&wl->irq_work);
 	cancel_work_sync(&wl->tx_work);
 	cancel_work_sync(&wl->filter_work);
+	cancel_delayed_work_sync(&wl->elp_work);
 
 	mutex_lock(&wl->mutex);
 
diff --git a/drivers/net/wireless/wl1251/sdio.c b/drivers/net/wireless/wl1251/sdio.c
index f78694295c39..1b851f650e07 100644
--- a/drivers/net/wireless/wl1251/sdio.c
+++ b/drivers/net/wireless/wl1251/sdio.c
@@ -315,8 +315,8 @@ static void __devexit wl1251_sdio_remove(struct sdio_func *func)
 
 	if (wl->irq)
 		free_irq(wl->irq, wl);
-	kfree(wl_sdio);
 	wl1251_free_hw(wl);
+	kfree(wl_sdio);
 
 	sdio_claim_host(func);
 	sdio_release_irq(func);