adm5120: merge 3.3 patches

SVN-Revision: 31511

12 files changed, 111 insertions, 203 deletions

diff --git a/target/linux/adm5120/files/drivers/ata/pata_rb153_cf.c b/target/linux/adm5120/files/drivers/ata/pata_rb153_cf.c
index f5cae63..71f8ad6 100644
--- a/target/linux/adm5120/files/drivers/ata/pata_rb153_cf.c
+++ b/target/linux/adm5120/files/drivers/ata/pata_rb153_cf.c
@@ -56,7 +56,7 @@ static inline void rb153_pata_finish_io(struct ata_port *ap)
 	ata_sff_dma_pause(ap);
 	ndelay(RB153_CF_IO_DELAY);
 
-	set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
+	irq_set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
 }
 
 static void rb153_pata_exec_command(struct ata_port *ap,
@@ -107,11 +107,11 @@ static irqreturn_t rb153_pata_irq_handler(int irq, void *dev_instance)
 	struct rb153_cf_info *info = ah->private_data;
 
 	if (gpio_get_value(info->gpio_line)) {
-		set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
+		irq_set_irq_type(info->irq, IRQ_TYPE_LEVEL_LOW);
 		if (!info->frozen)
 			ata_sff_interrupt(irq, dev_instance);
 	} else {
-		set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
+		irq_set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH);
 	}
 
 	return IRQ_HANDLED;
@@ -138,7 +138,6 @@ static void rb153_pata_setup_port(struct ata_host *ah)
 
 	ap->ops		= &rb153_pata_port_ops;
 	ap->pio_mask	= 0x1f; /* PIO4 */
-	ap->flags	= ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
 
 	ap->ioaddr.cmd_addr	= info->iobase + RB153_CF_REG_CMD;
 	ap->ioaddr.ctl_addr	= info->iobase + RB153_CF_REG_CTRL;
diff --git a/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c b/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
index af292a0..58cf277 100644
--- a/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
+++ b/target/linux/adm5120/files/drivers/mtd/maps/adm5120-flash.c
@@ -54,10 +54,6 @@ struct adm5120_flash_info {
 	struct resource		*res;
 	struct platform_device	*dev;
 	struct adm5120_map_info	amap;
-#ifdef CONFIG_MTD_PARTITIONS
-	int			nr_parts;
-	struct mtd_partition	*parts[MAX_PARSED_PARTS];
-#endif
 };
 
 struct flash_desc {
@@ -96,7 +92,6 @@ static const char const *probe_types[] = {
 	NULL
 };
 
-#ifdef CONFIG_MTD_PARTITIONS
 static const char const *parse_types[] = {
 	"cmdlinepart",
 #ifdef CONFIG_MTD_REDBOOT_PARTS
@@ -106,7 +101,6 @@ static const char const *parse_types[] = {
 	"MyLoader",
 #endif
 };
-#endif
 
 #define BANK_SIZE	(2<<20)
 #define BANK_SIZE_MAX	(4<<20)
@@ -318,89 +312,6 @@ static void adm5120_flash_initbanks(struct adm5120_flash_info *info)
 	info->mtd->size = info->amap.window_size;
 }
 
-#ifdef CONFIG_MTD_PARTITIONS
-static int adm5120_flash_initparts(struct adm5120_flash_info *info)
-{
-	struct adm5120_flash_platform_data *pdata;
-	struct map_info *map = &info->amap.map;
-	int num_parsers;
-	const char *parser[2];
-	int err = 0;
-	int nr_parts;
-	int i;
-
-	info->nr_parts = 0;
-
-	pdata = info->dev->dev.platform_data;
-	if (pdata == NULL)
-		goto out;
-
-	if (pdata->nr_parts) {
-		MAP_INFO(map, "adding static partitions\n");
-		err = add_mtd_partitions(info->mtd, pdata->parts,
-			pdata->nr_parts);
-		if (err == 0) {
-			info->nr_parts += pdata->nr_parts;
-			goto out;
-		}
-	}
-
-	num_parsers = ARRAY_SIZE(parse_types);
-	if (num_parsers > MAX_PARSED_PARTS)
-		num_parsers = MAX_PARSED_PARTS;
-
-	parser[1] = NULL;
-	for (i = 0; i < num_parsers; i++) {
-		parser[0] = parse_types[i];
-
-		MAP_INFO(map, "parsing \"%s\" partitions\n",
-			parser[0]);
-		nr_parts = parse_mtd_partitions(info->mtd, parser,
-			&info->parts[i], 0);
-
-		if (nr_parts <= 0)
-			continue;
-
-		MAP_INFO(map, "adding \"%s\" partitions\n",
-			parser[0]);
-
-		err = add_mtd_partitions(info->mtd, info->parts[i], nr_parts);
-		if (err)
-			break;
-
-		info->nr_parts += nr_parts;
-	}
-out:
-	return err;
-}
-#else
-static int adm5120_flash_initparts(struct adm5120_flash_info *info)
-{
-	return 0;
-}
-#endif /* CONFIG_MTD_PARTITIONS */
-
-#ifdef CONFIG_MTD_PARTITIONS
-static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info)
-{
-	int i;
-
-	if (info->nr_parts) {
-		del_mtd_partitions(info->mtd);
-		for (i = 0; i < MAX_PARSED_PARTS; i++)
-			if (info->parts[i] != NULL)
-				kfree(info->parts[i]);
-	} else {
-		del_mtd_device(info->mtd);
-	}
-}
-#else
-static void adm5120_flash_remove_mtd(struct adm5120_flash_info *info)
-{
-	del_mtd_device(info->mtd);
-}
-#endif
-
 static int adm5120_flash_remove(struct platform_device *dev)
 {
 	struct adm5120_flash_info *info;
@@ -412,7 +323,7 @@ static int adm5120_flash_remove(struct platform_device *dev)
 	platform_set_drvdata(dev, NULL);
 
 	if (info->mtd != NULL) {
-		adm5120_flash_remove_mtd(info);
+		mtd_device_unregister(info->mtd);
 		map_destroy(info->mtd);
 	}
 
@@ -429,11 +340,18 @@ static int adm5120_flash_remove(struct platform_device *dev)
 
 static int adm5120_flash_probe(struct platform_device *dev)
 {
+	struct adm5120_flash_platform_data *pdata;
 	struct adm5120_flash_info *info;
 	struct map_info *map;
 	const char **probe_type;
 	int err;
 
+	pdata = dev->dev.platform_data;
+	if (!pdata) {
+		dev_err(&dev->dev, "no platform data\n");
+		return -EINVAL;
+	}
+
 	info = kzalloc(sizeof(*info), GFP_KERNEL);
 	if (info == NULL) {
 		err = -ENOMEM;
@@ -484,16 +402,11 @@ static int adm5120_flash_probe(struct platform_device *dev)
 
 	info->mtd->owner = THIS_MODULE;
 
-	err = adm5120_flash_initparts(info);
+	err = mtd_device_parse_register(info->mtd, parse_types, 0,
+				  	pdata->parts, pdata->nr_parts);
 	if (err)
 		goto err_out;
 
-	if (info->nr_parts == 0) {
-		MAP_INFO(map, "no partitions available, registering "
-			"whole flash\n");
-		add_mtd_device(info->mtd);
-	}
-
 	return 0;
 
 err_out:
diff --git a/target/linux/adm5120/files/drivers/mtd/trxsplit.c b/target/linux/adm5120/files/drivers/mtd/trxsplit.c
index 7ae0a45..6f60264 100644
--- a/target/linux/adm5120/files/drivers/mtd/trxsplit.c
+++ b/target/linux/adm5120/files/drivers/mtd/trxsplit.c
@@ -144,7 +144,7 @@ static void trxsplit_create_partitions(struct mtd_info *mtd)
 	part = &trx_parts[i];
 	part->name = "rootfs";
 
-	err = add_mtd_partitions(mtd, trx_parts, trx_nr_parts);
+	err = mtd_device_register(mtd, trx_parts, trx_nr_parts);
 	if (err) {
 		printk(KERN_ALERT PFX "adding TRX partitions failed\n");
 		return;
@@ -159,7 +159,7 @@ static int trxsplit_refresh_partitions(struct mtd_info *mtd)
 		mtd->name, MTD_BLOCK_MAJOR, mtd->index);
 
 	/* remove old partitions */
-	del_mtd_partitions(mtd);
+	mtd_device_unregister(mtd);
 
 	trxsplit_findtrx(mtd);
 	if (!trx_mtd)
diff --git a/target/linux/adm5120/files/drivers/net/adm5120sw.c b/target/linux/adm5120/files/drivers/net/adm5120sw.c
index 17b1f4e..d80a6a3 100644
--- a/target/linux/adm5120/files/drivers/net/adm5120sw.c
+++ b/target/linux/adm5120/files/drivers/net/adm5120sw.c
@@ -38,6 +38,7 @@
 #include <asm/mach-adm5120/adm5120_switch.h>
 
 #include "adm5120sw.h"
+#include <linux/dma-mapping.h>
 
 #define DRV_NAME	"adm5120-switch"
 #define DRV_DESC	"ADM5120 built-in ethernet switch driver"
@@ -153,7 +154,7 @@ static unsigned int cur_txl, dirty_txl;
 
 static unsigned int sw_used;
 
-static spinlock_t tx_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(tx_lock);
 
 /* ------------------------------------------------------------------------ */
 
@@ -216,6 +217,7 @@ static inline int desc_ipcsum_fail(struct dma_desc *desc)
 
 /* ------------------------------------------------------------------------ */
 
+#ifdef CONFIG_ADM5120_SWITCH_DEBUG
 static void sw_dump_desc(char *label, struct dma_desc *desc, int tx)
 {
 	u32 t;
@@ -336,6 +338,11 @@ static void sw_dump_regs(void)
 	t = sw_read_reg(SWITCH_REG_RLDA);
 	SW_DBG("rlda: %08X\n", t);
 }
+#else
+static inline void sw_dump_desc(char *label, struct dma_desc *desc, int tx) {}
+static void sw_dump_intr_mask(char *label, u32 mask) {}
+static inline void sw_dump_regs(void) {}
+#endif /* CONFIG_ADM5120_SWITCH_DEBUG */
 
 /* ------------------------------------------------------------------------ */
 
@@ -502,7 +509,7 @@ static int adm5120_if_poll(struct napi_struct *napi, int limit)
 {
 	struct adm5120_if_priv *priv = container_of(napi,
 				struct adm5120_if_priv, napi);
-	struct net_device *dev = priv->dev;
+	struct net_device *dev  __maybe_unused = priv->dev;
 	int done;
 	u32 status;
 
@@ -920,7 +927,7 @@ static void adm5120_if_tx_timeout(struct net_device *dev)
 	SW_INFO("TX timeout on %s\n", dev->name);
 }
 
-static void adm5120_if_set_multicast_list(struct net_device *dev)
+static void adm5120_if_set_rx_mode(struct net_device *dev)
 {
 	struct adm5120_if_priv *priv = netdev_priv(dev);
 	u32 ports;
@@ -937,7 +944,7 @@ static void adm5120_if_set_multicast_list(struct net_device *dev)
 		t |= (ports << CPUP_CONF_DUNP_SHIFT);
 
 	if (dev->flags & IFF_PROMISC || dev->flags & IFF_ALLMULTI ||
-					dev->mc_count)
+					netdev_mc_count(dev))
 		/* enable multicast packets */
 		t &= ~(ports << CPUP_CONF_DMCP_SHIFT);
 	else
@@ -1024,7 +1031,7 @@ static const struct net_device_ops adm5120sw_netdev_ops = {
 	.ndo_open		= adm5120_if_open,
 	.ndo_stop		= adm5120_if_stop,
 	.ndo_start_xmit		= adm5120_if_hard_start_xmit,
-	.ndo_set_multicast_list	= adm5120_if_set_multicast_list,
+	.ndo_set_rx_mode	= adm5120_if_set_rx_mode,
 	.ndo_do_ioctl		= adm5120_if_do_ioctl,
 	.ndo_tx_timeout		= adm5120_if_tx_timeout,
 	.ndo_validate_addr	= eth_validate_addr,
@@ -1076,7 +1083,7 @@ static void adm5120_switch_cleanup(void)
 	adm5120_switch_rx_ring_free();
 }
 
-static int __init adm5120_switch_probe(struct platform_device *pdev)
+static int __devinit adm5120_switch_probe(struct platform_device *pdev)
 {
 	u32 t;
 	int i, err;
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
index 34ee941..2d5dc2a 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-dbg.c
@@ -401,25 +401,28 @@ static const struct file_operations debug_async_fops = {
 	.open		= debug_async_open,
 	.read		= debug_output,
 	.release	= debug_close,
+	.llseek		= default_llseek,
 };
 static const struct file_operations debug_periodic_fops = {
 	.owner		= THIS_MODULE,
 	.open		= debug_periodic_open,
 	.read		= debug_output,
 	.release	= debug_close,
+	.llseek		= default_llseek,
 };
 static const struct file_operations debug_registers_fops = {
 	.owner		= THIS_MODULE,
 	.open		= debug_registers_open,
 	.read		= debug_output,
 	.release	= debug_close,
+	.llseek		= default_llseek,
 };
 
 static struct dentry *admhc_debug_root;
 
 struct debug_buffer {
 	ssize_t (*fill_func)(struct debug_buffer *);    /* fill method */
-	struct device *dev;
+	struct admhcd *ahcd;
 	struct mutex mutex;     /* protect filling of buffer */
 	size_t count;           /* number of characters filled into buffer */
 	char *page;
@@ -494,15 +497,11 @@ show_list(struct admhcd *ahcd, char *buf, size_t count, struct ed *ed)
 
 static ssize_t fill_async_buffer(struct debug_buffer *buf)
 {
-	struct usb_bus		*bus;
-	struct usb_hcd		*hcd;
 	struct admhcd		*ahcd;
 	size_t			temp;
 	unsigned long		flags;
 
-	bus = dev_get_drvdata(buf->dev);
-	hcd = bus_to_hcd(bus);
-	ahcd = hcd_to_admhcd(hcd);
+	ahcd = buf->ahcd;
 
 	spin_lock_irqsave(&ahcd->lock, flags);
 	temp = show_list(ahcd, buf->page, PAGE_SIZE, ahcd->ed_head);
@@ -516,8 +515,6 @@ static ssize_t fill_async_buffer(struct debug_buffer *buf)
 
 static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
 {
-	struct usb_bus		*bus;
-	struct usb_hcd		*hcd;
 	struct admhcd		*ahcd;
 	struct ed		**seen, *ed;
 	unsigned long		flags;
@@ -530,9 +527,7 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
 		return 0;
 	seen_count = 0;
 
-	bus = dev_get_drvdata(buf->dev);
-	hcd = bus_to_hcd(bus);
-	ahcd = hcd_to_admhcd(hcd);
+	ahcd = buf->ahcd;
 	next = buf->page;
 	size = PAGE_SIZE;
 
@@ -615,7 +610,6 @@ static ssize_t fill_periodic_buffer(struct debug_buffer *buf)
 
 static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 {
-	struct usb_bus		*bus;
 	struct usb_hcd		*hcd;
 	struct admhcd		*ahcd;
 	struct admhcd_regs __iomem *regs;
@@ -624,9 +618,8 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 	char			*next;
 	u32			rdata;
 
-	bus = dev_get_drvdata(buf->dev);
-	hcd = bus_to_hcd(bus);
-	ahcd = hcd_to_admhcd(hcd);
+	ahcd = buf->ahcd;
+	hcd = admhc_to_hcd(ahcd);
 	regs = ahcd->regs;
 	next = buf->page;
 	size = PAGE_SIZE;
@@ -638,13 +631,13 @@ static ssize_t fill_registers_buffer(struct debug_buffer *buf)
 	admhc_dbg_sw(ahcd, &next, &size,
 		"bus %s, device %s\n"
 		"%s\n"
-		"%s version " DRIVER_VERSION "\n",
+		"%s\n",
 		hcd->self.controller->bus->name,
 		dev_name(hcd->self.controller),
 		hcd->product_desc,
 		hcd_name);
 
-	if (bus->controller->power.power_state.event) {
+	if (!HCD_HW_ACCESSIBLE(hcd)) {
 		size -= scnprintf(next, size,
 			"SUSPENDED (no register access)\n");
 		goto done;
@@ -691,7 +684,7 @@ done:
 }
 
 
-static struct debug_buffer *alloc_buffer(struct device *dev,
+static struct debug_buffer *alloc_buffer(struct admhcd *ahcd,
 				ssize_t (*fill_func)(struct debug_buffer *))
 {
 	struct debug_buffer *buf;
@@ -699,7 +692,7 @@ static struct debug_buffer *alloc_buffer(struct device *dev,
 	buf = kzalloc(sizeof(struct debug_buffer), GFP_KERNEL);
 
 	if (buf) {
-		buf->dev = dev;
+		buf->ahcd = ahcd;
 		buf->fill_func = fill_func;
 		mutex_init(&buf->mutex);
 	}
@@ -792,26 +785,25 @@ static int debug_registers_open(struct inode *inode, struct file *file)
 static inline void create_debug_files(struct admhcd *ahcd)
 {
 	struct usb_bus *bus = &admhcd_to_hcd(ahcd)->self;
-	struct device *dev = bus->dev;
 
 	ahcd->debug_dir = debugfs_create_dir(bus->bus_name, admhc_debug_root);
 	if (!ahcd->debug_dir)
 		goto dir_error;
 
 	ahcd->debug_async = debugfs_create_file("async", S_IRUGO,
-						ahcd->debug_dir, dev,
+						ahcd->debug_dir, ahcd,
 						&debug_async_fops);
 	if (!ahcd->debug_async)
 		goto async_error;
 
 	ahcd->debug_periodic = debugfs_create_file("periodic", S_IRUGO,
-						ahcd->debug_dir, dev,
+						ahcd->debug_dir, ahcd,
 						&debug_periodic_fops);
 	if (!ahcd->debug_periodic)
 		goto periodic_error;
 
 	ahcd->debug_registers = debugfs_create_file("registers", S_IRUGO,
-						ahcd->debug_dir, dev,
+						ahcd->debug_dir, ahcd,
 						&debug_registers_fops);
 	if (!ahcd->debug_registers)
 		goto registers_error;
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-drv.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-drv.c
index 5aa90d6..99ea9d5 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-drv.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-drv.c
@@ -9,7 +9,7 @@
  *   (C) Copyright 2002 Hewlett-Packard Company
  *
  *   Written by Christopher Hoover <ch@hpl.hp.com>
- *   Based on fragments of previous driver by Rusell King et al.
+ *   Based on fragments of previous driver by Russell King et al.
  *
  *   Modified for LH7A404 from ahcd-sa1111.c
  *    by Durgesh Pattamatta <pattamattad@sharpsec.com>
@@ -81,7 +81,7 @@ static int admhc_adm5120_probe(const struct hc_driver *driver,
 
 	admhc_hcd_init(hcd_to_admhcd(hcd));
 
-	retval = usb_add_hcd(hcd, irq, IRQF_DISABLED);
+	retval = usb_add_hcd(hcd, irq, 0);
 	if (retval)
 		goto err_io;
 
@@ -109,10 +109,7 @@ static void admhc_adm5120_remove(struct usb_hcd *hcd,
 	usb_put_hcd(hcd);
 }
 
-/*-------------------------------------------------------------------------*/
-
-static int __devinit
-admhc_adm5120_start(struct usb_hcd *hcd)
+static int __devinit admhc_adm5120_start(struct usb_hcd *hcd)
 {
 	struct admhcd	*ahcd = hcd_to_admhcd(hcd);
 	int		ret;
@@ -137,8 +134,6 @@ err:
 	return ret;
 }
 
-/*-------------------------------------------------------------------------*/
-
 static const struct hc_driver adm5120_hc_driver = {
 	.description =		hcd_name,
 	.product_desc =		"ADM5120 built-in USB 1.1 Host Controller",
@@ -181,8 +176,6 @@ static const struct hc_driver adm5120_hc_driver = {
 	.start_port_reset =	admhc_start_port_reset,
 };
 
-/*-------------------------------------------------------------------------*/
-
 static int usb_hcd_adm5120_probe(struct platform_device *pdev)
 {
 	int ret;
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
index 0412546..7dfa804 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-hcd.c
@@ -32,9 +32,9 @@
 #include <linux/list.h>
 #include <linux/usb.h>
 #include <linux/usb/otg.h>
+#include <linux/usb/hcd.h>
 #include <linux/dma-mapping.h>
 #include <linux/dmapool.h>
-#include <linux/reboot.h>
 #include <linux/debugfs.h>
 #include <linux/io.h>
 
@@ -43,9 +43,6 @@
 #include <asm/unaligned.h>
 #include <asm/byteorder.h>
 
-#include "../core/hcd.h"
-#include "../core/hub.h"
-
 #define DRIVER_VERSION	"0.27.0"
 #define DRIVER_AUTHOR	"Gabor Juhos <juhosg@openwrt.org>"
 #define DRIVER_DESC	"ADMtek USB 1.1 Host Controller Driver"
@@ -117,7 +114,7 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
 		td_cnt = 2;
 		/* FALLTHROUGH */
 	case PIPE_BULK:
-		/* one TD for every 4096 Bytes (can be upto 8K) */
+		/* one TD for every 4096 Bytes (can be up to 8K) */
 		td_cnt += urb->transfer_buffer_length / TD_DATALEN_MAX;
 		/* ... and for any remaining bytes ... */
 		if ((urb->transfer_buffer_length % TD_DATALEN_MAX) != 0)
@@ -153,7 +150,7 @@ static int admhc_urb_enqueue(struct usb_hcd *hcd, struct urb *urb,
 
 	spin_lock_irqsave(&ahcd->lock, flags);
 	/* don't submit to a dead HC */
-	if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
+	if (!HCD_HW_ACCESSIBLE(hcd)) {
 		ret = -ENODEV;
 		goto fail;
 	}
@@ -321,7 +318,6 @@ sanitize:
 	ep->hcpriv = NULL;
 
 	spin_unlock_irqrestore(&ahcd->lock, flags);
-	return;
 }
 
 static int admhc_get_frame_number(struct usb_hcd *hcd)
@@ -488,7 +484,7 @@ err:
  */
 static int admhc_run(struct admhcd *ahcd)
 {
-	u32			temp;
+	u32			val;
 	int			first = ahcd->fminterval == 0;
 	struct usb_hcd		*hcd = admhcd_to_hcd(ahcd);
 
@@ -496,8 +492,8 @@ static int admhc_run(struct admhcd *ahcd)
 
 	/* boot firmware should have set this up (5.1.1.3.1) */
 	if (first) {
-		temp = admhc_readl(ahcd, &ahcd->regs->fminterval);
-		ahcd->fminterval = temp & ADMHC_SFI_FI_MASK;
+		val = admhc_readl(ahcd, &ahcd->regs->fminterval);
+		ahcd->fminterval = val & ADMHC_SFI_FI_MASK;
 		if (ahcd->fminterval != FI)
 			admhc_dbg(ahcd, "fminterval delta %d\n",
 				ahcd->fminterval - FI);
@@ -507,30 +503,30 @@ static int admhc_run(struct admhcd *ahcd)
 	}
 
 #if 0	/* TODO: not applicable */
-	/* Reset USB nearly "by the book".  RemoteWakeupConnected was
-	 * saved if boot firmware (BIOS/SMM/...) told us it's connected,
-	 * or if bus glue did the same (e.g. for PCI add-in cards with
-	 * PCI PM support).
+	/* Reset USB nearly "by the book".  RemoteWakeupConnected has
+	 * to be checked in case boot firmware (BIOS/SMM/...) has set up
+	 * wakeup in a way the bus isn't aware of (e.g., legacy PCI PM).
+	 * If the bus glue detected wakeup capability then it should
+	 * already be enabled; if so we'll just enable it again.
 	 */
-	if ((ahcd->hc_control & OHCI_CTRL_RWC) != 0
-			&& !device_may_wakeup(hcd->self.controller))
-		device_init_wakeup(hcd->self.controller, 1);
+	if ((ahcd->hc_control & OHCI_CTRL_RWC) != 0)
+		device_set_wakeup_capable(hcd->self.controller, 1);
 #endif
 
 	switch (ahcd->host_control & ADMHC_HC_BUSS) {
 	case ADMHC_BUSS_OPER:
-		temp = 0;
+		val = 0;
 		break;
 	case ADMHC_BUSS_SUSPEND:
 		/* FALLTHROUGH ? */
 	case ADMHC_BUSS_RESUME:
 		ahcd->host_control = ADMHC_BUSS_RESUME;
-		temp = 10 /* msec wait */;
+		val = 10 /* msec wait */;
 		break;
 	/* case ADMHC_BUSS_RESET: */
 	default:
 		ahcd->host_control = ADMHC_BUSS_RESET;
-		temp = 50 /* msec wait */;
+		val = 50 /* msec wait */;
 		break;
 	}
 	admhc_writel(ahcd, ahcd->host_control, &ahcd->regs->host_control);
@@ -538,12 +534,12 @@ static int admhc_run(struct admhcd *ahcd)
 	/* flush the writes */
 	admhc_writel_flush(ahcd);
 
-	msleep(temp);
-	temp = admhc_read_rhdesc(ahcd);
-	if (!(temp & ADMHC_RH_NPS)) {
+	msleep(val);
+	val = admhc_read_rhdesc(ahcd);
+	if (!(val & ADMHC_RH_NPS)) {
 		/* power down each port */
-		for (temp = 0; temp < ahcd->num_ports; temp++)
-			admhc_write_portstatus(ahcd, temp, ADMHC_PS_CPP);
+		for (val = 0; val < ahcd->num_ports; val++)
+			admhc_write_portstatus(ahcd, val, ADMHC_PS_CPP);
 	}
 	/* flush those writes */
 	admhc_writel_flush(ahcd);
@@ -552,9 +548,9 @@ static int admhc_run(struct admhcd *ahcd)
 	spin_lock_irq(&ahcd->lock);
 
 	admhc_writel(ahcd, ADMHC_CTRL_SR,  &ahcd->regs->gencontrol);
-	temp = 30;	/* ... allow extra time */
+	val = 30;	/* ... allow extra time */
 	while ((admhc_readl(ahcd, &ahcd->regs->gencontrol) & ADMHC_CTRL_SR) != 0) {
-		if (--temp == 0) {
+		if (--val == 0) {
 			spin_unlock_irq(&ahcd->lock);
 			admhc_err(ahcd, "USB HC reset timed out!\n");
 			return -1;
@@ -571,7 +567,7 @@ static int admhc_run(struct admhcd *ahcd)
 	periodic_reinit(ahcd);
 
 	/* use rhsc irqs after khubd is fully initialized */
-	hcd->poll_rh = 1;
+	set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
 	hcd->uses_new_polling = 1;
 
 #if 0
@@ -594,10 +590,10 @@ static int admhc_run(struct admhcd *ahcd)
 	ahcd->host_control = ADMHC_BUSS_OPER;
 	admhc_writel(ahcd, ahcd->host_control, &ahcd->regs->host_control);
 
-	temp = 20;
+	val = 20;
 	while ((admhc_readl(ahcd, &ahcd->regs->host_control)
 			& ADMHC_HC_BUSS) != ADMHC_BUSS_OPER) {
-		if (--temp == 0) {
+		if (--val == 0) {
 			spin_unlock_irq(&ahcd->lock);
 			admhc_err(ahcd, "unable to setup operational mode!\n");
 			return -1;
@@ -613,10 +609,10 @@ static int admhc_run(struct admhcd *ahcd)
 	/* FIXME: enabling DMA is always failed here for an unknown reason */
 	admhc_dma_enable(ahcd);
 
-	temp = 200;
+	val = 200;
 	while ((admhc_readl(ahcd, &ahcd->regs->host_control)
 			& ADMHC_HC_DMAE) != ADMHC_HC_DMAE) {
-		if (--temp == 0) {
+		if (--val == 0) {
 			spin_unlock_irq(&ahcd->lock);
 			admhc_err(ahcd, "unable to enable DMA!\n");
 			admhc_dump(ahcd, 1);
@@ -688,7 +684,7 @@ static irqreturn_t admhc_irq(struct usb_hcd *hcd)
 		 */
 		admhc_vdbg(ahcd, "Resume Detect\n");
 		admhc_intr_ack(ahcd, ADMHC_INTR_RESI);
-		hcd->poll_rh = 1;
+		set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
 		if (ahcd->autostop) {
 			spin_lock(&ahcd->lock);
 			admhc_rh_resume(ahcd);
@@ -799,9 +795,10 @@ static int __init admhc_hcd_mod_init(void)
 	pr_info("%s: " DRIVER_INFO "\n", hcd_name);
 	pr_info("%s: block sizes: ed %Zd td %Zd\n", hcd_name,
 		sizeof(struct ed), sizeof(struct td));
+	set_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 
 #ifdef DEBUG
-	admhc_debug_root = debugfs_create_dir("admhc", NULL);
+	admhc_debug_root = debugfs_create_dir("admhc", usb_debug_root);
 	if (!admhc_debug_root) {
 		ret = -ENOENT;
 		goto error_debug;
@@ -826,6 +823,7 @@ error_platform:
 	admhc_debug_root = NULL;
 error_debug:
 #endif
+	clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 	return ret;
 }
 module_init(admhc_hcd_mod_init);
@@ -836,6 +834,7 @@ static void __exit admhc_hcd_mod_exit(void)
 #ifdef DEBUG
 	debugfs_remove(admhc_debug_root);
 #endif
+	clear_bit(USB_OHCI_LOADED, &usb_hcds_loaded);
 }
 module_exit(admhc_hcd_mod_exit);
 
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
index 3c1ab65..8cabaf9 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-hub.c
@@ -75,7 +75,7 @@ admhc_hub_status_data(struct usb_hcd *hcd, char *buf)
 	u32		status;
 
 	spin_lock_irqsave(&ahcd->lock, flags);
-	if (!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags))
+	if (!HCD_HW_ACCESSIBLE(hcd))
 		goto done;
 
 	/* init status */
@@ -106,8 +106,11 @@ admhc_hub_status_data(struct usb_hcd *hcd, char *buf)
 		}
 	}
 
-	hcd->poll_rh = admhc_root_hub_state_changes(ahcd, changed,
-			any_connected);
+	if (admhc_root_hub_state_changes(ahcd, changed,
+			any_connected))
+		set_bit(HCD_FLAG_POLL_RH, &hcd->flags);
+	else
+		clear_bit(HCD_FLAG_POLL_RH, &hcd->flags);
 
 done:
 	spin_unlock_irqrestore(&ahcd->lock, flags);
@@ -143,9 +146,9 @@ static int admhc_get_hub_descriptor(struct admhcd *ahcd, char *buf)
 	    temp |= 0x0008;
 	desc->wHubCharacteristics = (__force __u16)cpu_to_hc16(ahcd, temp);
 
-	/* two bitmaps:  ports removable, and usb 1.0 legacy PortPwrCtrlMask */
-	desc->bitmap[0] = 0;
-	desc->bitmap[0] = ~0;
+	/* ports removable, and usb 1.0 legacy PortPwrCtrlMask */
+	desc->u.hs.DeviceRemovable[0] = 0;
+	desc->u.hs.DeviceRemovable[0] = ~0;
 
 	return 0;
 }
@@ -310,10 +313,10 @@ static int admhc_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
 		u16 wIndex, char *buf, u16 wLength)
 {
 	struct admhcd	*ahcd = hcd_to_admhcd(hcd);
-	int		ports = hcd_to_bus(hcd)->root_hub->maxchild;
+	int		ports = ahcd->num_ports;
 	int		ret = 0;
 
-	if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)))
+	if (unlikely(!HCD_HW_ACCESSIBLE(hcd)))
 		return -ESHUTDOWN;
 
 	switch (typeReq) {
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c
index 0ccf829..7d7fc24 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-pm.c
@@ -257,7 +257,7 @@ static int admhc_bus_suspend(struct usb_hcd *hcd)
 
 	spin_lock_irq(&ahcd->lock);
 
-	if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)))
+	if (unlikely(!HCD_HW_ACCESSIBLE(hcd)))
 		rc = -ESHUTDOWN;
 	else
 		rc = admhc_rh_suspend(ahcd, 0);
@@ -275,7 +275,7 @@ static int admhc_bus_resume(struct usb_hcd *hcd)
 
 	spin_lock_irq(&ahcd->lock);
 
-	if (unlikely(!test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)))
+	if (unlikely(!HCD_HW_ACCESSIBLE(hcd)))
 		rc = -ESHUTDOWN;
 	else
 		rc = admhc_rh_resume(ahcd);
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c b/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c
index d7d9e67..cd9c892 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120-q.c
@@ -14,6 +14,7 @@
  */
 
 #include <linux/irq.h>
+#include <linux/slab.h>
 
 /*-------------------------------------------------------------------------*/
 
@@ -300,7 +301,7 @@ static struct ed *ed_get(struct admhcd *ahcd,	struct usb_host_endpoint *ep,
 		u32		info;
 
 		/* FIXME: usbcore changes dev->devnum before SET_ADDRESS
-		 * suceeds ... otherwise we wouldn't need "pipe".
+		 * succeeds ... otherwise we wouldn't need "pipe".
 		 */
 		info = usb_pipedevice(pipe);
 		info |= (ep->desc.bEndpointAddress & ~USB_DIR_IN) << ED_EN_SHIFT;
@@ -634,8 +635,7 @@ static int td_done(struct admhcd *ahcd, struct urb *urb, struct td *td)
 
 /*-------------------------------------------------------------------------*/
 
-static inline void
-ed_halted(struct admhcd *ahcd, struct td *td, int cc, struct td *rev)
+static void ed_halted(struct admhcd *ahcd, struct td *td, int cc)
 {
 	struct urb		*urb = td->urb;
 	struct urb_priv		*urb_priv = urb->hcpriv;
@@ -764,6 +764,7 @@ rescan_this:
 			struct urb	*urb;
 			struct urb_priv	*urb_priv;
 			__hc32		savebits;
+			u32		tdINFO;
 			int		status;
 
 			td = list_entry(entry, struct td, td_list);
@@ -781,6 +782,16 @@ rescan_this:
 			/* patch pointer hc uses */
 			savebits = *prev & ~cpu_to_hc32(ahcd, TD_MASK);
 			*prev = td->hwNextTD | savebits;
+			/* If this was unlinked, the TD may not have been
+			 * retired ... so manually save dhe data toggle.
+			 * The controller ignores the value we save for
+			 * control and ISO endpoints.
+			 */
+			tdINFO = hc32_to_cpup(ahcd, &td->hwINFO);
+			if ((tdINFO & TD_T) == TD_T_DATA0)
+				ed->hwHeadP &= ~cpu_to_hc32(ahcd, ED_C);
+			else if ((tdINFO & TD_T) == TD_T_DATA1)
+				ed->hwHeadP |= cpu_to_hc32(ahcd, ED_C);
 
 			/* HC may have partly processed this TD */
 #ifdef ADMHC_VERBOSE_DEBUG
@@ -816,13 +827,12 @@ rescan_this:
 }
 
 /*-------------------------------------------------------------------------*/
-
 /*
  * Process normal completions (error or success) and clean the schedules.
  *
  * This is the main path for handing urbs back to drivers.  The only other
- * path is finish_unlinks(), which unlinks URBs using ed_rm_list, instead of
- * scanning the (re-reversed) donelist as this does.
+ * normal path is finish_unlinks(), which unlinks URBs using ed_rm_list,
+ * instead of scanning the (re-reversed) donelist as this does.
  */
 
 static void ed_unhalt(struct admhcd *ahcd, struct ed *ed, struct urb *urb)
diff --git a/target/linux/adm5120/files/drivers/usb/host/adm5120.h b/target/linux/adm5120/files/drivers/usb/host/adm5120.h
index 52fe039..e47aac8 100644
--- a/target/linux/adm5120/files/drivers/usb/host/adm5120.h
+++ b/target/linux/adm5120/files/drivers/usb/host/adm5120.h
@@ -403,6 +403,7 @@ struct admhcd {
 	 * other external transceivers should be software-transparent
 	 */
 	struct otg_transceiver	*transceiver;
+	void (*start_hnp)(struct admhcd *ahcd);
 #endif
 
 	/*
@@ -537,15 +538,7 @@ static inline struct usb_hcd *admhcd_to_hcd(const struct admhcd *ahcd)
  * Big-endian read/write functions are arch-specific.
  * Other arches can be added if/when they're needed.
  *
- * REVISIT: arch/powerpc now has readl/writel_be, so the
- * definition below can die once the STB04xxx support is
- * finally ported over.
  */
-#if defined(CONFIG_PPC) && !defined(CONFIG_PPC_MERGE)
-#define readl_be(addr)		in_be32((__force unsigned *)addr)
-#define writel_be(val, addr)	out_be32((__force unsigned *)addr, val)
-#endif
-
 static inline unsigned int admhc_readl(const struct admhcd *ahcd,
 	__hc32 __iomem *regs)
 {
diff --git a/target/linux/adm5120/files/drivers/watchdog/adm5120_wdt.c b/target/linux/adm5120/files/drivers/watchdog/adm5120_wdt.c
index bf90568..d5d63b2 100644
--- a/target/linux/adm5120/files/drivers/watchdog/adm5120_wdt.c
+++ b/target/linux/adm5120/files/drivers/watchdog/adm5120_wdt.c
@@ -123,8 +123,7 @@ static ssize_t wdt_write(struct file *file, const char *data, size_t len, loff_t
 	return 0;
 }
 
-static int wdt_ioctl(struct inode *inode, struct file *file,
-	unsigned int cmd, unsigned long arg)
+static long wdt_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 {
 	int new_timeout;
 	static struct watchdog_info ident = {
@@ -166,7 +165,7 @@ static const struct file_operations wdt_fops = {
 	.owner		= THIS_MODULE,
 	.llseek		= no_llseek,
 	.write		= wdt_write,
-	.ioctl		= wdt_ioctl,
+	.unlocked_ioctl	= wdt_ioctl,
 	.open		= wdt_open,
 	.release	= wdt_release,
 };