Merge branch 'master' into for-next

54 files changed, 260 insertions, 101 deletions

diff --git a/drivers/ide/arm/palm_bk3710.c b/drivers/ide/arm/palm_bk3710.c
index cc24803..2f2b4f4 100644
--- a/drivers/ide/arm/palm_bk3710.c
+++ b/drivers/ide/arm/palm_bk3710.c
@@ -76,7 +76,7 @@ struct palm_bk3710_udmatiming {
 
 #include "../ide-timing.h"
 
-static long ide_palm_clk;
+static unsigned ideclk_period; /* in nanoseconds */
 
 static const struct palm_bk3710_udmatiming palm_bk3710_udmatimings[6] = {
 	{160, 240},		/* UDMA Mode 0 */
@@ -86,8 +86,6 @@ static const struct palm_bk3710_udmatiming palm_bk3710_udmatimings[6] = {
 	{85,  60},		/* UDMA Mode 4 */
 };
 
-static struct clk *ideclkp;
-
 static void palm_bk3710_setudmamode(void __iomem *base, unsigned int dev,
 				    unsigned int mode)
 {
@@ -97,10 +95,10 @@ static void palm_bk3710_setudmamode(void __iomem *base, unsigned int dev,
 
 	/* DMA Data Setup */
 	t0 = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].cycletime,
-			  ide_palm_clk) - 1;
-	tenv = DIV_ROUND_UP(20, ide_palm_clk) - 1;
+			  ideclk_period) - 1;
+	tenv = DIV_ROUND_UP(20, ideclk_period) - 1;
 	trp = DIV_ROUND_UP(palm_bk3710_udmatimings[mode].rptime,
-			   ide_palm_clk) - 1;
+			   ideclk_period) - 1;
 
 	/* udmatim Register */
 	val16 = readw(base + BK3710_UDMATIM) & (dev ? 0xFF0F : 0xFFF0);
@@ -141,8 +139,8 @@ static void palm_bk3710_setdmamode(void __iomem *base, unsigned int dev,
 	cycletime = max_t(int, t->cycle, min_cycle);
 
 	/* DMA Data Setup */
-	t0 = DIV_ROUND_UP(cycletime, ide_palm_clk);
-	td = DIV_ROUND_UP(t->active, ide_palm_clk);
+	t0 = DIV_ROUND_UP(cycletime, ideclk_period);
+	td = DIV_ROUND_UP(t->active, ideclk_period);
 	tkw = t0 - td - 1;
 	td -= 1;
 
@@ -168,9 +166,9 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate,
 	struct ide_timing *t;
 
 	/* PIO Data Setup */
-	t0 = DIV_ROUND_UP(cycletime, ide_palm_clk);
+	t0 = DIV_ROUND_UP(cycletime, ideclk_period);
 	t2 = DIV_ROUND_UP(ide_timing_find_mode(XFER_PIO_0 + mode)->active,
-			  ide_palm_clk);
+			  ideclk_period);
 
 	t2i = t0 - t2 - 1;
 	t2 -= 1;
@@ -192,8 +190,8 @@ static void palm_bk3710_setpiomode(void __iomem *base, ide_drive_t *mate,
 
 	/* TASKFILE Setup */
 	t = ide_timing_find_mode(XFER_PIO_0 + mode);
-	t0 = DIV_ROUND_UP(t->cyc8b, ide_palm_clk);
-	t2 = DIV_ROUND_UP(t->act8b, ide_palm_clk);
+	t0 = DIV_ROUND_UP(t->cyc8b, ideclk_period);
+	t2 = DIV_ROUND_UP(t->act8b, ideclk_period);
 
 	t2i = t0 - t2 - 1;
 	t2 -= 1;
@@ -350,22 +348,22 @@ static const struct ide_port_info __devinitdata palm_bk3710_port_info = {
 
 static int __devinit palm_bk3710_probe(struct platform_device *pdev)
 {
-	struct clk *clkp;
+	struct clk *clk;
 	struct resource *mem, *irq;
 	ide_hwif_t *hwif;
-	unsigned long base;
+	unsigned long base, rate;
 	int i;
 	hw_regs_t hw;
 	u8 idx[4] = { 0xff, 0xff, 0xff, 0xff };
 
-	clkp = clk_get(NULL, "IDECLK");
-	if (IS_ERR(clkp))
+	clk = clk_get(NULL, "IDECLK");
+	if (IS_ERR(clk))
 		return -ENODEV;
 
-	ideclkp = clkp;
-	clk_enable(ideclkp);
-	ide_palm_clk = clk_get_rate(ideclkp)/100000;
-	ide_palm_clk = (10000/ide_palm_clk) + 1;
+	clk_enable(clk);
+	rate = clk_get_rate(clk);
+	ideclk_period = 1000000000UL / rate;
+
 	/* Register the IDE interface with Linux ATA Interface */
 	memset(&hw, 0, sizeof(hw));
 
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index d27061b..26e68b6 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1218,16 +1218,12 @@ static void drive_release_dev (struct device *dev)
 	complete(&drive->gendev_rel_comp);
 }
 
-#ifndef ide_default_irq
-#define ide_default_irq(irq) 0
-#endif
-
 static int hwif_init(ide_hwif_t *hwif)
 {
 	int old_irq;
 
 	if (!hwif->irq) {
-		hwif->irq = ide_default_irq(hwif->io_ports.data_addr);
+		hwif->irq = __ide_default_irq(hwif->io_ports.data_addr);
 		if (!hwif->irq) {
 			printk("%s: DISABLED, NO IRQ\n", hwif->name);
 			return 0;
@@ -1257,7 +1253,7 @@ static int hwif_init(ide_hwif_t *hwif)
 	 *	It failed to initialise. Find the default IRQ for 
 	 *	this port and try that.
 	 */
-	hwif->irq = ide_default_irq(hwif->io_ports.data_addr);
+	hwif->irq = __ide_default_irq(hwif->io_ports.data_addr);
 	if (!hwif->irq) {
 		printk("%s: Disabled unable to get IRQ %d.\n",
 			hwif->name, old_irq);
diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c
index 9053c877..2b71bdf 100644
--- a/drivers/ide/pci/it8213.c
+++ b/drivers/ide/pci/it8213.c
@@ -184,8 +184,7 @@ static const struct ide_port_info it8213_chipsets[] __devinitdata = {
 
 static int __devinit it8213_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
-	ide_setup_pci_device(dev, &it8213_chipsets[id->driver_data]);
-	return 0;
+	return ide_setup_pci_device(dev, &it8213_chipsets[id->driver_data]);
 }
 
 static const struct pci_device_id it8213_pci_tbl[] = {
diff --git a/drivers/ide/pci/ns87415.c b/drivers/ide/pci/ns87415.c
index fec4955..a7a41bb 100644
--- a/drivers/ide/pci/ns87415.c
+++ b/drivers/ide/pci/ns87415.c
@@ -225,10 +225,6 @@ static int ns87415_dma_setup(ide_drive_t *drive)
 	return 1;
 }
 
-#ifndef ide_default_irq
-#define ide_default_irq(irq) 0
-#endif
-
 static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
 {
 	struct pci_dev *dev = to_pci_dev(hwif->dev);
@@ -288,7 +284,7 @@ static void __devinit init_hwif_ns87415 (ide_hwif_t *hwif)
 	}
 
 	if (!using_inta)
-		hwif->irq = ide_default_irq(hwif->io_ports.data_addr);
+		hwif->irq = __ide_default_irq(hwif->io_ports.data_addr);
 	else if (!hwif->irq && hwif->mate && hwif->mate->irq)
 		hwif->irq = hwif->mate->irq;	/* share IRQ with mate */
 
diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index 8934178..95f82cf 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1096,7 +1096,9 @@ static ssize_t show_fw_ver(struct device *dev, struct device_attribute *attr, ch
 	struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
 
 	PDBG("%s dev 0x%p\n", __func__, dev);
+	rtnl_lock();
 	lldev->ethtool_ops->get_drvinfo(lldev, &info);
+	rtnl_unlock();
 	return sprintf(buf, "%s\n", info.fw_version);
 }
 
@@ -1109,7 +1111,9 @@ static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
 	struct net_device *lldev = iwch_dev->rdev.t3cdev_p->lldev;
 
 	PDBG("%s dev 0x%p\n", __func__, dev);
+	rtnl_lock();
 	lldev->ethtool_ops->get_drvinfo(lldev, &info);
+	rtnl_unlock();
 	return sprintf(buf, "%s\n", info.driver);
 }
 
diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c
index 65210fc..d89475d 100644
--- a/drivers/mmc/host/pxamci.c
+++ b/drivers/mmc/host/pxamci.c
@@ -114,6 +114,7 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
 	unsigned int nob = data->blocks;
 	unsigned long long clks;
 	unsigned int timeout;
+	bool dalgn = 0;
 	u32 dcmd;
 	int i;
 
@@ -152,6 +153,9 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
 		host->sg_cpu[i].dcmd = dcmd | length;
 		if (length & 31 && !(data->flags & MMC_DATA_READ))
 			host->sg_cpu[i].dcmd |= DCMD_ENDIRQEN;
+		/* Not aligned to 8-byte boundary? */
+		if (sg_dma_address(&data->sg[i]) & 0x7)
+			dalgn = 1;
 		if (data->flags & MMC_DATA_READ) {
 			host->sg_cpu[i].dsadr = host->res->start + MMC_RXFIFO;
 			host->sg_cpu[i].dtadr = sg_dma_address(&data->sg[i]);
@@ -165,6 +169,15 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data)
 	host->sg_cpu[host->dma_len - 1].ddadr = DDADR_STOP;
 	wmb();
 
+	/*
+	 * The PXA27x DMA controller encounters overhead when working with
+	 * unaligned (to 8-byte boundaries) data, so switch on byte alignment
+	 * mode only if we have unaligned data.
+	 */
+	if (dalgn)
+		DALGN |= (1 << host->dma);
+	else
+		DALGN &= (1 << host->dma);
 	DDADR(host->dma) = host->sg_dma;
 	DCSR(host->dma) = DCSR_RUN;
 }
diff --git a/drivers/net/ehea/ehea.h b/drivers/net/ehea/ehea.h
index fe872fb..e01926b 100644
--- a/drivers/net/ehea/ehea.h
+++ b/drivers/net/ehea/ehea.h
@@ -40,7 +40,7 @@
 #include <asm/io.h>
 
 #define DRV_NAME	"ehea"
-#define DRV_VERSION	"EHEA_0091"
+#define DRV_VERSION	"EHEA_0092"
 
 /* eHEA capability flags */
 #define DLPAR_PORT_ADD_REM 1
@@ -452,7 +452,7 @@ struct ehea_bcmc_reg_entry {
 struct ehea_bcmc_reg_array {
 	struct ehea_bcmc_reg_entry *arr;
 	int num_entries;
-	struct mutex lock;
+	spinlock_t lock;
 };
 
 #define EHEA_PORT_UP 1
@@ -478,6 +478,7 @@ struct ehea_port {
 	int num_add_tx_qps;
 	int num_mcs;
 	int resets;
+	u64 flags;
 	u64 mac_addr;
 	u32 logical_port_id;
 	u32 port_speed;
@@ -501,7 +502,8 @@ struct port_res_cfg {
 };
 
 enum ehea_flag_bits {
-	__EHEA_STOP_XFER
+	__EHEA_STOP_XFER,
+	__EHEA_DISABLE_PORT_RESET
 };
 
 void ehea_set_ethtool_ops(struct net_device *netdev);
diff --git a/drivers/net/ehea/ehea_main.c b/drivers/net/ehea/ehea_main.c
index 075fd54..0920b79 100644
--- a/drivers/net/ehea/ehea_main.c
+++ b/drivers/net/ehea/ehea_main.c
@@ -118,6 +118,7 @@ static struct of_device_id ehea_device_table[] = {
 	},
 	{},
 };
+MODULE_DEVICE_TABLE(of, ehea_device_table);
 
 static struct of_platform_driver ehea_driver = {
 	.name = "ehea",
@@ -137,6 +138,12 @@ void ehea_dump(void *adr, int len, char *msg)
 	}
 }
 
+void ehea_schedule_port_reset(struct ehea_port *port)
+{
+	if (!test_bit(__EHEA_DISABLE_PORT_RESET, &port->flags))
+		schedule_work(&port->reset_task);
+}
+
 static void ehea_update_firmware_handles(void)
 {
 	struct ehea_fw_handle_entry *arr = NULL;
@@ -241,7 +248,7 @@ static void ehea_update_bcmc_registrations(void)
 		}
 
 	if (num_registrations) {
-		arr = kzalloc(num_registrations * sizeof(*arr), GFP_KERNEL);
+		arr = kzalloc(num_registrations * sizeof(*arr), GFP_ATOMIC);
 		if (!arr)
 			return;  /* Keep the existing array */
 	} else
@@ -301,7 +308,7 @@ static struct net_device_stats *ehea_get_stats(struct net_device *dev)
 
 	memset(stats, 0, sizeof(*stats));
 
-	cb2 = kzalloc(PAGE_SIZE, GFP_KERNEL);
+	cb2 = kzalloc(PAGE_SIZE, GFP_ATOMIC);
 	if (!cb2) {
 		ehea_error("no mem for cb2");
 		goto out;
@@ -587,7 +594,7 @@ static int ehea_treat_poll_error(struct ehea_port_res *pr, int rq,
 				   "Resetting port.", pr->qp->init_attr.qp_nr);
 			ehea_dump(cqe, sizeof(*cqe), "CQE");
 		}
-		schedule_work(&pr->port->reset_task);
+		ehea_schedule_port_reset(pr->port);
 		return 1;
 	}
 
@@ -616,7 +623,7 @@ static int get_skb_hdr(struct sk_buff *skb, void **iphdr,
 	*tcph = tcp_hdr(skb);
 
 	/* check if ip header and tcp header are complete */
-	if (iph->tot_len < ip_len + tcp_hdrlen(skb))
+	if (ntohs(iph->tot_len) < ip_len + tcp_hdrlen(skb))
 		return -1;
 
 	*hdr_flags = LRO_IPV4 | LRO_TCP;
@@ -765,7 +772,7 @@ static struct ehea_cqe *ehea_proc_cqes(struct ehea_port_res *pr, int my_quota)
 			ehea_error("Send Completion Error: Resetting port");
 			if (netif_msg_tx_err(pr->port))
 				ehea_dump(cqe, sizeof(*cqe), "Send CQE");
-			schedule_work(&pr->port->reset_task);
+			ehea_schedule_port_reset(pr->port);
 			break;
 		}
 
@@ -885,7 +892,7 @@ static irqreturn_t ehea_qp_aff_irq_handler(int irq, void *param)
 		eqe = ehea_poll_eq(port->qp_eq);
 	}
 
-	schedule_work(&port->reset_task);
+	ehea_schedule_port_reset(port);
 
 	return IRQ_HANDLED;
 }
@@ -1763,7 +1770,7 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa)
 
 	memcpy(dev->dev_addr, mac_addr->sa_data, dev->addr_len);
 
-	mutex_lock(&ehea_bcmc_regs.lock);
+	spin_lock(&ehea_bcmc_regs.lock);
 
 	/* Deregister old MAC in pHYP */
 	if (port->state == EHEA_PORT_UP) {
@@ -1785,7 +1792,7 @@ static int ehea_set_mac_addr(struct net_device *dev, void *sa)
 
 out_upregs:
 	ehea_update_bcmc_registrations();
-	mutex_unlock(&ehea_bcmc_regs.lock);
+	spin_unlock(&ehea_bcmc_regs.lock);
 out_free:
 	kfree(cb0);
 out:
@@ -1947,7 +1954,7 @@ static void ehea_set_multicast_list(struct net_device *dev)
 	}
 	ehea_promiscuous(dev, 0);
 
-	mutex_lock(&ehea_bcmc_regs.lock);
+	spin_lock(&ehea_bcmc_regs.lock);
 
 	if (dev->flags & IFF_ALLMULTI) {
 		ehea_allmulti(dev, 1);
@@ -1978,7 +1985,7 @@ static void ehea_set_multicast_list(struct net_device *dev)
 	}
 out:
 	ehea_update_bcmc_registrations();
-	mutex_unlock(&ehea_bcmc_regs.lock);
+	spin_unlock(&ehea_bcmc_regs.lock);
 	return;
 }
 
@@ -2497,7 +2504,7 @@ static int ehea_up(struct net_device *dev)
 		}
 	}
 
-	mutex_lock(&ehea_bcmc_regs.lock);
+	spin_lock(&ehea_bcmc_regs.lock);
 
 	ret = ehea_broadcast_reg_helper(port, H_REG_BCMC);
 	if (ret) {
@@ -2520,7 +2527,7 @@ out:
 		ehea_info("Failed starting %s. ret=%i", dev->name, ret);
 
 	ehea_update_bcmc_registrations();
-	mutex_unlock(&ehea_bcmc_regs.lock);
+	spin_unlock(&ehea_bcmc_regs.lock);
 
 	ehea_update_firmware_handles();
 	mutex_unlock(&ehea_fw_handles.lock);
@@ -2575,7 +2582,7 @@ static int ehea_down(struct net_device *dev)
 
 	mutex_lock(&ehea_fw_handles.lock);
 
-	mutex_lock(&ehea_bcmc_regs.lock);
+	spin_lock(&ehea_bcmc_regs.lock);
 	ehea_drop_multicast_list(dev);
 	ehea_broadcast_reg_helper(port, H_DEREG_BCMC);
 
@@ -2584,7 +2591,7 @@ static int ehea_down(struct net_device *dev)
 	port->state = EHEA_PORT_DOWN;
 
 	ehea_update_bcmc_registrations();
-	mutex_unlock(&ehea_bcmc_regs.lock);
+	spin_unlock(&ehea_bcmc_regs.lock);
 
 	ret = ehea_clean_all_portres(port);
 	if (ret)
@@ -2605,13 +2612,14 @@ static int ehea_stop(struct net_device *dev)
 	if (netif_msg_ifdown(port))
 		ehea_info("disabling port %s", dev->name);
 
+	set_bit(__EHEA_DISABLE_PORT_RESET, &port->flags);
 	cancel_work_sync(&port->reset_task);
-
 	mutex_lock(&port->port_lock);
 	netif_stop_queue(dev);
 	port_napi_disable(port);
 	ret = ehea_down(dev);
 	mutex_unlock(&port->port_lock);
+	clear_bit(__EHEA_DISABLE_PORT_RESET, &port->flags);
 	return ret;
 }
 
@@ -2941,7 +2949,7 @@ static void ehea_tx_watchdog(struct net_device *dev)
 
 	if (netif_carrier_ok(dev) &&
 	    !test_bit(__EHEA_STOP_XFER, &ehea_driver_flags))
-		schedule_work(&port->reset_task);
+		ehea_schedule_port_reset(port);
 }
 
 int ehea_sense_adapter_attr(struct ehea_adapter *adapter)
@@ -3590,7 +3598,7 @@ int __init ehea_module_init(void)
 	memset(&ehea_bcmc_regs, 0, sizeof(ehea_bcmc_regs));
 
 	mutex_init(&ehea_fw_handles.lock);
-	mutex_init(&ehea_bcmc_regs.lock);
+	spin_lock_init(&ehea_bcmc_regs.lock);
 
 	ret = check_module_parm();
 	if (ret)
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 2cb2447..20d4fe9 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -4194,12 +4194,23 @@ static int nv_set_settings(struct net_device *dev, struct ethtool_cmd *ecmd)
 
 	netif_carrier_off(dev);
 	if (netif_running(dev)) {
+		unsigned long flags;
+
 		nv_disable_irq(dev);
 		netif_tx_lock_bh(dev);
-		spin_lock(&np->lock);
+		/* with plain spinlock lockdep complains */
+		spin_lock_irqsave(&np->lock, flags);
 		/* stop engines */
+		/* FIXME:
+		 * this can take some time, and interrupts are disabled
+		 * due to spin_lock_irqsave, but let's hope no daemon
+		 * is going to change the settings very often...
+		 * Worst case:
+		 * NV_RXSTOP_DELAY1MAX + NV_TXSTOP_DELAY1MAX
+		 * + some minor delays, which is up to a second approximately
+		 */
 		nv_stop_rxtx(dev);
-		spin_unlock(&np->lock);
+		spin_unlock_irqrestore(&np->lock, flags);
 		netif_tx_unlock_bh(dev);
 	}
 
diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c
index e363211..8268b35 100644
--- a/drivers/net/fs_enet/mac-fcc.c
+++ b/drivers/net/fs_enet/mac-fcc.c
@@ -463,6 +463,9 @@ static void restart(struct net_device *dev)
 	else
 		C32(fccp, fcc_fpsmr, FCC_PSMR_FDE | FCC_PSMR_LPB);
 
+	/* Restore multicast and promiscuous settings */
+	set_multicast_list(dev);
+
 	S32(fccp, fcc_gfmr, FCC_GFMR_ENR | FCC_GFMR_ENT);
 }
 
diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c
index 5d2108c..babc79a 100644
--- a/drivers/net/ibm_newemac/core.c
+++ b/drivers/net/ibm_newemac/core.c
@@ -1636,6 +1636,12 @@ static int emac_poll_rx(void *param, int budget)
 			goto next;
 		}
 
+		if (len < ETH_HLEN) {
+			++dev->estats.rx_dropped_stack;
+			emac_recycle_rx_skb(dev, slot, len);
+			goto next;
+		}
+
 		if (len && len < EMAC_RX_COPY_THRESH) {
 			struct sk_buff *copy_skb =
 			    alloc_skb(len + EMAC_RX_SKB_HEADROOM + 2, GFP_ATOMIC);
@@ -2719,6 +2725,8 @@ static int __devinit emac_probe(struct of_device *ofdev,
 	/* Clean rings */
 	memset(dev->tx_desc, 0, NUM_TX_BUFF * sizeof(struct mal_descriptor));
 	memset(dev->rx_desc, 0, NUM_RX_BUFF * sizeof(struct mal_descriptor));
+	memset(dev->tx_skb, 0, NUM_TX_BUFF * sizeof(struct sk_buff *));
+	memset(dev->rx_skb, 0, NUM_RX_BUFF * sizeof(struct sk_buff *));
 
 	/* Attach to ZMII, if needed */
 	if (emac_has_feature(dev, EMAC_FTR_HAS_ZMII) &&
diff --git a/drivers/net/irda/nsc-ircc.c b/drivers/net/irda/nsc-ircc.c
index a7714da..effc1ce 100644
--- a/drivers/net/irda/nsc-ircc.c
+++ b/drivers/net/irda/nsc-ircc.c
@@ -152,6 +152,7 @@ static chipio_t pnp_info;
 static const struct pnp_device_id nsc_ircc_pnp_table[] = {
 	{ .id = "NSC6001", .driver_data = 0 },
 	{ .id = "IBM0071", .driver_data = 0 },
+	{ .id = "HWPC224", .driver_data = 0 },
 	{ }
 };
 
diff --git a/drivers/net/irda/via-ircc.c b/drivers/net/irda/via-ircc.c
index 58e1287..04ad357 100644
--- a/drivers/net/irda/via-ircc.c
+++ b/drivers/net/irda/via-ircc.c
@@ -1546,6 +1546,7 @@ static int via_ircc_net_open(struct net_device *dev)
 			IRDA_WARNING("%s, unable to allocate dma2=%d\n",
 				     driver_name, self->io.dma2);
 			free_irq(self->io.irq, self);
+			free_dma(self->io.dma);
 			return -EAGAIN;
 		}
 	}
@@ -1606,6 +1607,8 @@ static int via_ircc_net_close(struct net_device *dev)
 	EnAllInt(iobase, OFF);
 	free_irq(self->io.irq, dev);
 	free_dma(self->io.dma);
+	if (self->io.dma2 != self->io.dma)
+		free_dma(self->io.dma2);
 
 	return 0;
 }
diff --git a/drivers/net/pasemi_mac.c b/drivers/net/pasemi_mac.c
index 3b2a6c5..993d87c 100644
--- a/drivers/net/pasemi_mac.c
+++ b/drivers/net/pasemi_mac.c
@@ -277,7 +277,7 @@ static int get_skb_hdr(struct sk_buff *skb, void **iphdr,
 	*tcph = tcp_hdr(skb);
 
 	/* check if ip header and tcp header are complete */
-	if (iph->tot_len < ip_len + tcp_hdrlen(skb))
+	if (ntohs(iph->tot_len) < ip_len + tcp_hdrlen(skb))
 		return -1;
 
 	*hdr_flags = LRO_IPV4 | LRO_TCP;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 7ab94c8..b9018bf 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -602,6 +602,12 @@ static int tun_set_iff(struct net *net, struct file *file, struct ifreq *ifr)
 	tun->attached = 1;
 	get_net(dev_net(tun->dev));
 
+	/* Make sure persistent devices do not get stuck in
+	 * xoff state.
+	 */
+	if (netif_running(tun->dev))
+		netif_wake_queue(tun->dev);
+
 	strcpy(ifr->ifr_name, tun->dev->name);
 	return 0;
 
diff --git a/drivers/net/wan/hdlc_fr.c b/drivers/net/wan/hdlc_fr.c
index 520bb0b..6d35155 100644
--- a/drivers/net/wan/hdlc_fr.c
+++ b/drivers/net/wan/hdlc_fr.c
@@ -1008,6 +1008,7 @@ static int fr_rx(struct sk_buff *skb)
 		stats->rx_bytes += skb->len;
 		if (pvc->state.becn)
 			stats->rx_compressed++;
+		skb->dev = dev;
 		netif_rx(skb);
 		return NET_RX_SUCCESS;
 	} else {
diff --git a/drivers/net/wireless/hostap/hostap_cs.c b/drivers/net/wireless/hostap/hostap_cs.c
index 80039a0..3b4e55c 100644
--- a/drivers/net/wireless/hostap/hostap_cs.c
+++ b/drivers/net/wireless/hostap/hostap_cs.c
@@ -777,8 +777,10 @@ static int hostap_cs_suspend(struct pcmcia_device *link)
 	int dev_open = 0;
 	struct hostap_interface *iface = NULL;
 
-	if (dev)
-		iface = netdev_priv(dev);
+	if (!dev)
+		return -ENODEV;
+
+	iface = netdev_priv(dev);
 
 	PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_SUSPEND\n", dev_info);
 	if (iface && iface->local)
@@ -798,8 +800,10 @@ static int hostap_cs_resume(struct pcmcia_device *link)
 	int dev_open = 0;
 	struct hostap_interface *iface = NULL;
 
-	if (dev)
-		iface = netdev_priv(dev);
+	if (!dev)
+		return -ENODEV;
+
+	iface = netdev_priv(dev);
 
 	PDEBUG(DEBUG_EXTRA, "%s: CS_EVENT_PM_RESUME\n", dev_info);
 
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index 62a3d8f..55ac850 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -449,7 +449,7 @@ static void iwl3945_dbg_report_frame(struct iwl3945_priv *priv,
 
 	if (print_summary) {
 		char *title;
-		u32 rate;
+		int rate;
 
 		if (hundred)
 			title = "100Frames";
@@ -487,7 +487,7 @@ static void iwl3945_dbg_report_frame(struct iwl3945_priv *priv,
 		 *    but you can hack it to show more, if you'd like to. */
 		if (dataframe)
 			IWL_DEBUG_RX("%s: mhd=0x%04x, dst=0x%02x, "
-				     "len=%u, rssi=%d, chnl=%d, rate=%u, \n",
+				     "len=%u, rssi=%d, chnl=%d, rate=%d, \n",
 				     title, fc, header->addr1[5],
 				     length, rssi, channel, rate);
 		else {
@@ -588,8 +588,12 @@ static void iwl3945_add_radiotap(struct iwl3945_priv *priv,
 
 	if (rate == -1)
 		iwl3945_rt->rt_rate = 0;
-	else
+	else {
+		if (stats->band == IEEE80211_BAND_5GHZ)
+			rate += IWL_FIRST_OFDM_RATE;
+
 		iwl3945_rt->rt_rate = iwl3945_rates[rate].ieee;
+	}
 
 	/* antenna number */
 	antenna = phy_flags_hw & RX_RES_PHY_FLAGS_ANTENNA_MSK;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index bf19eb8..de330ae 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -3528,8 +3528,12 @@ static void iwl4965_add_radiotap(struct iwl_priv *priv,
 
 	if (rate == -1)
 		iwl4965_rt->rt_rate = 0;
-	else
+	else {
+		if (stats->band == IEEE80211_BAND_5GHZ)
+			rate += IWL_FIRST_OFDM_RATE;
+
 		iwl4965_rt->rt_rate = iwl4965_rates[rate].ieee;
+	}
 
 	/*
 	 * "antenna number"
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index b1b3c52..6027e11 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -6687,7 +6687,8 @@ static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
 
 	if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
 		IWL_DEBUG_MAC80211("leave - monitor\n");
-		return -1;
+		dev_kfree_skb_any(skb);
+		return 0;
 	}
 
 	IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index 5ed16ce..0bd55bb 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -6237,7 +6237,8 @@ static int iwl4965_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb,
 
 	if (priv->iw_mode == IEEE80211_IF_TYPE_MNTR) {
 		IWL_DEBUG_MAC80211("leave - monitor\n");
-		return -1;
+		dev_kfree_skb_any(skb);
+		return 0;
 	}
 
 	IWL_DEBUG_TX("dev->xmit(%d bytes) at rate 0x%02x\n", skb->len,
diff --git a/drivers/net/wireless/libertas/if_usb.c b/drivers/net/wireless/libertas/if_usb.c
index 8032df7..36288b2 100644
--- a/drivers/net/wireless/libertas/if_usb.c
+++ b/drivers/net/wireless/libertas/if_usb.c
@@ -925,6 +925,7 @@ static struct usb_driver if_usb_driver = {
 	.id_table = if_usb_table,
 	.suspend = if_usb_suspend,
 	.resume = if_usb_resume,
+	.reset_resume = if_usb_resume,
 };
 
 static int __init if_usb_init_module(void)
diff --git a/drivers/net/wireless/libertas/scan.c b/drivers/net/wireless/libertas/scan.c
index d448c97..387d487 100644
--- a/drivers/net/wireless/libertas/scan.c
+++ b/drivers/net/wireless/libertas/scan.c
@@ -567,11 +567,11 @@ static int lbs_process_bss(struct bss_descriptor *bss,
 	pos += 8;
 
 	/* beacon interval is 2 bytes long */
-	bss->beaconperiod = le16_to_cpup((void *) pos);
+	bss->beaconperiod = get_unaligned_le16(pos);
 	pos += 2;
 
 	/* capability information is 2 bytes long */
-	bss->capability = le16_to_cpup((void *) pos);
+	bss->capability = get_unaligned_le16(pos);
 	lbs_deb_scan("process_bss: capabilities 0x%04x\n", bss->capability);
 	pos += 2;
 
diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c
index 560b9c7..b36ed1c 100644
--- a/drivers/net/wireless/rt2x00/rt2400pci.c
+++ b/drivers/net/wireless/rt2x00/rt2400pci.c
@@ -731,6 +731,17 @@ static int rt2400pci_init_registers(struct rt2x00_dev *rt2x00dev)
 			   (rt2x00dev->rx->data_size / 128));
 	rt2x00pci_register_write(rt2x00dev, CSR9, reg);
 
+	rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+	rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
+	rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
+	rt2x00_set_field32(&reg, CSR14_TBCN, 0);
+	rt2x00_set_field32(&reg, CSR14_TCFP, 0);
+	rt2x00_set_field32(&reg, CSR14_TATIMW, 0);
+	rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
+	rt2x00_set_field32(&reg, CSR14_CFP_COUNT_PRELOAD, 0);
+	rt2x00_set_field32(&reg, CSR14_TBCM_PRELOAD, 0);
+	rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+
 	rt2x00pci_register_write(rt2x00dev, CNT3, 0x3f080000);
 
 	rt2x00pci_register_read(rt2x00dev, ARCSR0, &reg);
diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c
index a5ed54b..f7731fb 100644
--- a/drivers/net/wireless/rt2x00/rt2500pci.c
+++ b/drivers/net/wireless/rt2x00/rt2500pci.c
@@ -824,6 +824,17 @@ static int rt2500pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, CSR11_CW_SELECT, 0);
 	rt2x00pci_register_write(rt2x00dev, CSR11, reg);
 
+	rt2x00pci_register_read(rt2x00dev, CSR14, &reg);
+	rt2x00_set_field32(&reg, CSR14_TSF_COUNT, 0);
+	rt2x00_set_field32(&reg, CSR14_TSF_SYNC, 0);
+	rt2x00_set_field32(&reg, CSR14_TBCN, 0);
+	rt2x00_set_field32(&reg, CSR14_TCFP, 0);
+	rt2x00_set_field32(&reg, CSR14_TATIMW, 0);
+	rt2x00_set_field32(&reg, CSR14_BEACON_GEN, 0);
+	rt2x00_set_field32(&reg, CSR14_CFP_COUNT_PRELOAD, 0);
+	rt2x00_set_field32(&reg, CSR14_TBCM_PRELOAD, 0);
+	rt2x00pci_register_write(rt2x00dev, CSR14, reg);
+
 	rt2x00pci_register_write(rt2x00dev, CNT3, 0);
 
 	rt2x00pci_register_read(rt2x00dev, TXCSR8, &reg);
diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c
index 61e59c1..d90512f 100644
--- a/drivers/net/wireless/rt2x00/rt2500usb.c
+++ b/drivers/net/wireless/rt2x00/rt2500usb.c
@@ -801,6 +801,13 @@ static int rt2500usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field16(&reg, TXRX_CSR8_BBP_ID1_VALID, 0);
 	rt2500usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 
+	rt2500usb_register_read(rt2x00dev, TXRX_CSR19, &reg);
+	rt2x00_set_field16(&reg, TXRX_CSR19_TSF_COUNT, 0);
+	rt2x00_set_field16(&reg, TXRX_CSR19_TSF_SYNC, 0);
+	rt2x00_set_field16(&reg, TXRX_CSR19_TBCN, 0);
+	rt2x00_set_field16(&reg, TXRX_CSR19_BEACON_GEN, 0);
+	rt2500usb_register_write(rt2x00dev, TXRX_CSR19, reg);
+
 	rt2500usb_register_write(rt2x00dev, TXRX_CSR21, 0xe78f);
 	rt2500usb_register_write(rt2x00dev, MAC_CSR9, 0xff1d);
 
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 14bc7b2..c3afb5c 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -1201,6 +1201,15 @@ static int rt61pci_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
 	rt2x00pci_register_write(rt2x00dev, TXRX_CSR8, reg);
 
+	rt2x00pci_register_read(rt2x00dev, TXRX_CSR9, &reg);
+	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
+	rt2x00pci_register_write(rt2x00dev, TXRX_CSR9, reg);
+
 	rt2x00pci_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
 
 	rt2x00pci_register_write(rt2x00dev, MAC_CSR6, 0x00000fff);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 83cc014..46e9e08 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -1006,6 +1006,15 @@ static int rt73usb_init_registers(struct rt2x00_dev *rt2x00dev)
 	rt2x00_set_field32(&reg, TXRX_CSR8_ACK_CTS_54MBS, 42);
 	rt73usb_register_write(rt2x00dev, TXRX_CSR8, reg);
 
+	rt73usb_register_read(rt2x00dev, TXRX_CSR9, &reg);
+	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_INTERVAL, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_TICKING, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TSF_SYNC, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TBTT_ENABLE, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_BEACON_GEN, 0);
+	rt2x00_set_field32(&reg, TXRX_CSR9_TIMESTAMP_COMPENSATE, 0);
+	rt73usb_register_write(rt2x00dev, TXRX_CSR9, reg);
+
 	rt73usb_register_write(rt2x00dev, TXRX_CSR15, 0x0000000f);
 
 	rt73usb_register_read(rt2x00dev, MAC_CSR6, &reg);
diff --git a/drivers/net/wireless/zd1211rw/zd_mac.c b/drivers/net/wireless/zd1211rw/zd_mac.c
index 418606a..694e95d 100644
--- a/drivers/net/wireless/zd1211rw/zd_mac.c
+++ b/drivers/net/wireless/zd1211rw/zd_mac.c
@@ -765,6 +765,7 @@ static void zd_op_remove_interface(struct ieee80211_hw *hw,
 {
 	struct zd_mac *mac = zd_hw_mac(hw);
 	mac->type = IEEE80211_IF_TYPE_INVALID;
+	zd_set_beacon_interval(&mac->chip, 0);
 	zd_write_mac_addr(&mac->chip, NULL);
 }
 
diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c
index 8941f5e..6cdad97 100644
--- a/drivers/net/wireless/zd1211rw/zd_usb.c
+++ b/drivers/net/wireless/zd1211rw/zd_usb.c
@@ -64,6 +64,7 @@ static struct usb_device_id usb_ids[] = {
 	{ USB_DEVICE(0x079b, 0x0062), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x1582, 0x6003), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x050d, 0x705c), .driver_info = DEVICE_ZD1211B },
+	{ USB_DEVICE(0x083a, 0xe506), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x083a, 0x4505), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x0471, 0x1236), .driver_info = DEVICE_ZD1211B },
 	{ USB_DEVICE(0x13b1, 0x0024), .driver_info = DEVICE_ZD1211B },
diff --git a/drivers/ssb/driver_pcicore.c b/drivers/ssb/driver_pcicore.c
index d28c538..538c570 100644
--- a/drivers/ssb/driver_pcicore.c
+++ b/drivers/ssb/driver_pcicore.c
@@ -537,6 +537,13 @@ int ssb_pcicore_dev_irqvecs_enable(struct ssb_pcicore *pc,
 	int err = 0;
 	u32 tmp;
 
+	if (dev->bus->bustype != SSB_BUSTYPE_PCI) {
+		/* This SSB device is not on a PCI host-bus. So the IRQs are
+		 * not routed through the PCI core.
+		 * So we must not enable routing through the PCI core. */
+		goto out;
+	}
+
 	if (!pdev)
 		goto out;
 	bus = pdev->bus;
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index 7158dbb..42a4364 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -924,6 +924,15 @@ static int register_root_hub(struct usb_hcd *hcd)
 	return retval;
 }
 
+void usb_enable_root_hub_irq (struct usb_bus *bus)
+{
+	struct usb_hcd *hcd;
+
+	hcd = container_of (bus, struct usb_hcd, self);
+	if (hcd->driver->hub_irq_enable && hcd->state != HC_STATE_HALT)
+		hcd->driver->hub_irq_enable (hcd);
+}
+
 
 /*-------------------------------------------------------------------------*/
 
diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h
index a0bf5df..b9de156 100644
--- a/drivers/usb/core/hcd.h
+++ b/drivers/usb/core/hcd.h
@@ -210,6 +210,8 @@ struct hc_driver {
 	int	(*bus_suspend)(struct usb_hcd *);
 	int	(*bus_resume)(struct usb_hcd *);
 	int	(*start_port_reset)(struct usb_hcd *, unsigned port_num);
+	void	(*hub_irq_enable)(struct usb_hcd *);
+		/* Needed only if port-change IRQs are level-triggered */
 
 		/* force handover of high-speed port to full-speed companion */
 	void	(*relinquish_port)(struct usb_hcd *, int);
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 512d2d5..4cfe32a 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -2073,6 +2073,8 @@ int usb_port_resume(struct usb_device *udev)
 	}
 
 	clear_bit(port1, hub->busy_bits);
+	if (!hub->hdev->parent && !hub->busy_bits[0])
+		usb_enable_root_hub_irq(hub->hdev->bus);
 
 	if (status == 0)
 		status = finish_port_resume(udev);
@@ -3002,6 +3004,11 @@ static void hub_events(void)
 
 		hub->activating = 0;
 
+		/* If this is a root hub, tell the HCD it's okay to
+		 * re-enable port-change interrupts now. */
+		if (!hdev->parent && !hub->busy_bits[0])
+			usb_enable_root_hub_irq(hdev->bus);
+
 loop_autopm:
 		/* Allow autosuspend if we're not going to run again */
 		if (list_empty(&hub->event_list))
@@ -3227,6 +3234,8 @@ int usb_reset_device(struct usb_device *udev)
 			break;
 	}
 	clear_bit(port1, parent_hub->busy_bits);
+	if (!parent_hdev->parent && !parent_hub->busy_bits[0])
+		usb_enable_root_hub_irq(parent_hdev->bus);
 
 	if (ret < 0)
 		goto re_enumerate;
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index c96db11..e534f9d 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -261,6 +261,7 @@ static const struct hc_driver ohci_at91_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c
index 1b9abdb..f90fe0c 100644
--- a/drivers/usb/host/ohci-au1xxx.c
+++ b/drivers/usb/host/ohci-au1xxx.c
@@ -288,6 +288,7 @@ static const struct hc_driver ohci_au1xxx_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ep93xx.c b/drivers/usb/host/ohci-ep93xx.c
index 06aadfb..5adaf36 100644
--- a/drivers/usb/host/ohci-ep93xx.c
+++ b/drivers/usb/host/ohci-ep93xx.c
@@ -135,6 +135,7 @@ static struct hc_driver ohci_ep93xx_hc_driver = {
 	.get_frame_number	= ohci_get_frame,
 	.hub_status_data	= ohci_hub_status_data,
 	.hub_control		= ohci_hub_control,
+	.hub_irq_enable		= ohci_rhsc_enable,
 #ifdef CONFIG_PM
 	.bus_suspend		= ohci_bus_suspend,
 	.bus_resume		= ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index 79a7802..b567392 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -36,6 +36,18 @@
 
 /*-------------------------------------------------------------------------*/
 
+/* hcd->hub_irq_enable() */
+static void ohci_rhsc_enable (struct usb_hcd *hcd)
+{
+	struct ohci_hcd		*ohci = hcd_to_ohci (hcd);
+
+	spin_lock_irq(&ohci->lock);
+	if (!ohci->autostop)
+		del_timer(&hcd->rh_timer);	/* Prevent next poll */
+	ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable);
+	spin_unlock_irq(&ohci->lock);
+}
+
 #define OHCI_SCHED_ENABLES \
 	(OHCI_CTRL_CLE|OHCI_CTRL_BLE|OHCI_CTRL_PLE|OHCI_CTRL_IE)
 
@@ -362,28 +374,18 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 		int any_connected)
 {
 	int	poll_rh = 1;
-	int	rhsc;
 
-	rhsc = ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC;
 	switch (ohci->hc_control & OHCI_CTRL_HCFS) {
 
 	case OHCI_USB_OPER:
-		/* If no status changes are pending, enable status-change
-		 * interrupts.
-		 */
-		if (!rhsc && !changed) {
-			rhsc = OHCI_INTR_RHSC;
-			ohci_writel(ohci, rhsc, &ohci->regs->intrenable);
-		}
-
-		/* Keep on polling until we know a device is connected
-		 * and RHSC is enabled, or until we autostop.
-		 */
+		/* keep on polling until we know a device is connected
+		 * and RHSC is enabled */
 		if (!ohci->autostop) {
 			if (any_connected ||
 					!device_may_wakeup(&ohci_to_hcd(ohci)
 						->self.root_hub->dev)) {
-				if (rhsc)
+				if (ohci_readl(ohci, &ohci->regs->intrenable) &
+						OHCI_INTR_RHSC)
 					poll_rh = 0;
 			} else {
 				ohci->autostop = 1;
@@ -396,13 +398,12 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 				ohci->autostop = 0;
 				ohci->next_statechange = jiffies +
 						STATECHANGE_DELAY;
-			} else if (rhsc && time_after_eq(jiffies,
+			} else if (time_after_eq(jiffies,
 						ohci->next_statechange)
 					&& !ohci->ed_rm_list
 					&& !(ohci->hc_control &
 						OHCI_SCHED_ENABLES)) {
 				ohci_rh_suspend(ohci, 1);
-				poll_rh = 0;
 			}
 		}
 		break;
@@ -416,12 +417,6 @@ static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 			else
 				usb_hcd_resume_root_hub(ohci_to_hcd(ohci));
 		} else {
-			if (!rhsc && (ohci->autostop ||
-					ohci_to_hcd(ohci)->self.root_hub->
-						do_remote_wakeup))
-				ohci_writel(ohci, OHCI_INTR_RHSC,
-						&ohci->regs->intrenable);
-
 			/* everything is idle, no need for polling */
 			poll_rh = 0;
 		}
@@ -443,16 +438,12 @@ static inline int ohci_rh_resume(struct ohci_hcd *ohci)
 static int ohci_root_hub_state_changes(struct ohci_hcd *ohci, int changed,
 		int any_connected)
 {
-	/* If RHSC is enabled, don't poll */
-	if (ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC)
-		return 0;
+	int	poll_rh = 1;
 
-	/* If no status changes are pending, enable status-change interrupts */
-	if (!changed) {
-		ohci_writel(ohci, OHCI_INTR_RHSC, &ohci->regs->intrenable);
-		return 0;
-	}
-	return 1;
+	/* keep on polling until RHSC is enabled */
+	if (ohci_readl(ohci, &ohci->regs->intrenable) & OHCI_INTR_RHSC)
+		poll_rh = 0;
+	return poll_rh;
 }
 
 #endif	/* CONFIG_PM */
diff --git a/drivers/usb/host/ohci-lh7a404.c b/drivers/usb/host/ohci-lh7a404.c
index 96d14fa..13c12ed 100644
--- a/drivers/usb/host/ohci-lh7a404.c
+++ b/drivers/usb/host/ohci-lh7a404.c
@@ -193,6 +193,7 @@ static const struct hc_driver ohci_lh7a404_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 6859fb5..3a7c24c 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -466,6 +466,7 @@ static const struct hc_driver ohci_omap_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c
index 3bf175d..4696cc9 100644
--- a/drivers/usb/host/ohci-pci.c
+++ b/drivers/usb/host/ohci-pci.c
@@ -327,6 +327,7 @@ static const struct hc_driver ohci_pci_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-pnx4008.c b/drivers/usb/host/ohci-pnx4008.c
index 664f07e..28b458f 100644
--- a/drivers/usb/host/ohci-pnx4008.c
+++ b/drivers/usb/host/ohci-pnx4008.c
@@ -280,6 +280,7 @@ static const struct hc_driver ohci_pnx4008_hc_driver = {
 	 */
 	.hub_status_data = ohci_hub_status_data,
 	.hub_control = ohci_hub_control,
+	.hub_irq_enable = ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend = ohci_bus_suspend,
 	.bus_resume = ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-pnx8550.c b/drivers/usb/host/ohci-pnx8550.c
index 28467e2..605d59c 100644
--- a/drivers/usb/host/ohci-pnx8550.c
+++ b/drivers/usb/host/ohci-pnx8550.c
@@ -201,6 +201,7 @@ static const struct hc_driver ohci_pnx8550_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ppc-of.c b/drivers/usb/host/ohci-ppc-of.c
index 50e55db..a672527 100644
--- a/drivers/usb/host/ohci-ppc-of.c
+++ b/drivers/usb/host/ohci-ppc-of.c
@@ -72,6 +72,7 @@ static const struct hc_driver ohci_ppc_of_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c
index cd3398b..523c301 100644
--- a/drivers/usb/host/ohci-ppc-soc.c
+++ b/drivers/usb/host/ohci-ppc-soc.c
@@ -172,6 +172,7 @@ static const struct hc_driver ohci_ppc_soc_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ps3.c b/drivers/usb/host/ohci-ps3.c
index bfdeb0d..c1935ae 100644
--- a/drivers/usb/host/ohci-ps3.c
+++ b/drivers/usb/host/ohci-ps3.c
@@ -68,6 +68,7 @@ static const struct hc_driver ps3_ohci_hc_driver = {
 	.get_frame_number	= ohci_get_frame,
 	.hub_status_data	= ohci_hub_status_data,
 	.hub_control		= ohci_hub_control,
+	.hub_irq_enable		= ohci_rhsc_enable,
 	.start_port_reset	= ohci_start_port_reset,
 #if defined(CONFIG_PM)
 	.bus_suspend 		= ohci_bus_suspend,
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index 70b0d4b..d4ee27d 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -298,6 +298,7 @@ static const struct hc_driver ohci_pxa27x_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef  CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index a73d2ff..ead4772 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -466,6 +466,7 @@ static const struct hc_driver ohci_s3c2410_hc_driver = {
 	 */
 	.hub_status_data =	ohci_s3c2410_hub_status_data,
 	.hub_control =		ohci_s3c2410_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c
index 99438c6..0f48f2d 100644
--- a/drivers/usb/host/ohci-sa1111.c
+++ b/drivers/usb/host/ohci-sa1111.c
@@ -231,6 +231,7 @@ static const struct hc_driver ohci_sa1111_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-sh.c b/drivers/usb/host/ohci-sh.c
index 60f03cc..e7ee607 100644
--- a/drivers/usb/host/ohci-sh.c
+++ b/drivers/usb/host/ohci-sh.c
@@ -68,6 +68,7 @@ static const struct hc_driver ohci_sh_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
index e899a77..e610698 100644
--- a/drivers/usb/host/ohci-sm501.c
+++ b/drivers/usb/host/ohci-sm501.c
@@ -75,6 +75,7 @@ static const struct hc_driver ohci_sm501_hc_driver = {
 	 */
 	.hub_status_data =	ohci_hub_status_data,
 	.hub_control =		ohci_hub_control,
+	.hub_irq_enable =	ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend =		ohci_bus_suspend,
 	.bus_resume =		ohci_bus_resume,
diff --git a/drivers/usb/host/ohci-ssb.c b/drivers/usb/host/ohci-ssb.c
index c4265ca..7275186 100644
--- a/drivers/usb/host/ohci-ssb.c
+++ b/drivers/usb/host/ohci-ssb.c
@@ -81,6 +81,7 @@ static const struct hc_driver ssb_ohci_hc_driver = {
 
 	.hub_status_data	= ohci_hub_status_data,
 	.hub_control		= ohci_hub_control,
+	.hub_irq_enable		= ohci_rhsc_enable,
 #ifdef	CONFIG_PM
 	.bus_suspend		= ohci_bus_suspend,
 	.bus_resume		= ohci_bus_resume,
diff --git a/drivers/usb/host/u132-hcd.c b/drivers/usb/host/u132-hcd.c
index f293074..9b6323f 100644
--- a/drivers/usb/host/u132-hcd.c
+++ b/drivers/usb/host/u132-hcd.c
@@ -2934,6 +2934,16 @@ static int u132_start_port_reset(struct usb_hcd *hcd, unsigned port_num)
 		return 0;
 }
 
+static void u132_hub_irq_enable(struct usb_hcd *hcd)
+{
+	struct u132 *u132 = hcd_to_u132(hcd);
+	if (u132->going > 1) {
+		dev_err(&u132->platform_dev->dev, "device has been removed %d\n"
+			, u132->going);
+	} else if (u132->going > 0)
+		dev_err(&u132->platform_dev->dev, "device is being removed\n");
+}
+
 
 #ifdef CONFIG_PM
 static int u132_bus_suspend(struct usb_hcd *hcd)
@@ -2985,6 +2995,7 @@ static struct hc_driver u132_hc_driver = {
 	.bus_suspend = u132_bus_suspend,
 	.bus_resume = u132_bus_resume,
 	.start_port_reset = u132_start_port_reset,
+	.hub_irq_enable = u132_hub_irq_enable,
 };
 
 /*
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index 712dabc..09d7e22 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -1324,7 +1324,7 @@ static int fsl_diu_suspend(struct of_device *ofdev, pm_message_t state)
 {
 	struct fsl_diu_data *machine_data;
 
-	machine_data = dev_get_drvdata(&dev->dev);
+	machine_data = dev_get_drvdata(&ofdev->dev);
 	disable_lcdc(machine_data->fsl_diu_info[0]);
 
 	return 0;
@@ -1334,7 +1334,7 @@ static int fsl_diu_resume(struct of_device *ofdev)
 {
 	struct fsl_diu_data *machine_data;
 
-	machine_data = dev_get_drvdata(&dev->dev);
+	machine_data = dev_get_drvdata(&ofdev->dev);
 	enable_lcdc(machine_data->fsl_diu_info[0]);
 
 	return 0;