Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

Conflicts:

	include/asm-powerpc/unistd.h
	include/asm-sparc/unistd.h
	include/asm-sparc64/unistd.h

Signed-off-by: David Woodhouse <dwmw2@infradead.org>

19 files changed, 560 insertions, 41 deletions

diff --git a/drivers/usb/atm/speedtch.c b/drivers/usb/atm/speedtch.c
index 7860c8a5800..956b7a1e8af 100644
--- a/drivers/usb/atm/speedtch.c
+++ b/drivers/usb/atm/speedtch.c
@@ -69,7 +69,7 @@ static const char speedtch_driver_name[] = "speedtch";
 #define RESUBMIT_DELAY		1000	/* milliseconds */
 
 #define DEFAULT_BULK_ALTSETTING	1
-#define DEFAULT_ISOC_ALTSETTING	2
+#define DEFAULT_ISOC_ALTSETTING	3
 #define DEFAULT_DL_512_FIRST	0
 #define DEFAULT_ENABLE_ISOC	0
 #define DEFAULT_SW_BUFFERING	0
diff --git a/drivers/usb/atm/usbatm.c b/drivers/usb/atm/usbatm.c
index c1211fc037d..546249843b8 100644
--- a/drivers/usb/atm/usbatm.c
+++ b/drivers/usb/atm/usbatm.c
@@ -99,11 +99,11 @@ static const char usbatm_driver_name[] = "usbatm";
 
 #define UDSL_MAX_RCV_URBS		16
 #define UDSL_MAX_SND_URBS		16
-#define UDSL_MAX_BUF_SIZE		64 * 1024	/* bytes */
+#define UDSL_MAX_BUF_SIZE		65536
 #define UDSL_DEFAULT_RCV_URBS		4
 #define UDSL_DEFAULT_SND_URBS		4
-#define UDSL_DEFAULT_RCV_BUF_SIZE	64 * ATM_CELL_SIZE	/* bytes */
-#define UDSL_DEFAULT_SND_BUF_SIZE	64 * ATM_CELL_SIZE	/* bytes */
+#define UDSL_DEFAULT_RCV_BUF_SIZE	3392	/* 64 * ATM_CELL_SIZE */
+#define UDSL_DEFAULT_SND_BUF_SIZE	3392	/* 64 * ATM_CELL_SIZE */
 
 #define ATM_CELL_HEADER			(ATM_CELL_SIZE - ATM_CELL_PAYLOAD)
 
@@ -135,7 +135,7 @@ MODULE_PARM_DESC(rcv_buf_bytes,
 module_param(snd_buf_bytes, uint, S_IRUGO);
 MODULE_PARM_DESC(snd_buf_bytes,
 		 "Size of the buffers used for transmission, in bytes (range: 1-"
-		 __MODULE_STRING(UDSL_MAX_SND_BUF_SIZE) ", default: "
+		 __MODULE_STRING(UDSL_MAX_BUF_SIZE) ", default: "
 		 __MODULE_STRING(UDSL_DEFAULT_SND_BUF_SIZE) ")");
 
 
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c
index fbd938d4ea5..e2e00ba4e1e 100644
--- a/drivers/usb/core/hcd.c
+++ b/drivers/usb/core/hcd.c
@@ -1805,6 +1805,12 @@ int usb_add_hcd(struct usb_hcd *hcd,
 			USB_SPEED_FULL;
 	hcd->self.root_hub = rhdev;
 
+	/* wakeup flag init defaults to "everything works" for root hubs,
+	 * but drivers can override it in reset() if needed, along with
+	 * recording the overall controller's system wakeup capability.
+	 */
+	device_init_wakeup(&rhdev->dev, 1);
+
 	/* "reset" is misnamed; its role is now one-time init. the controller
 	 * should already have been reset (and boot firmware kicked off etc).
 	 */
@@ -1813,13 +1819,6 @@ int usb_add_hcd(struct usb_hcd *hcd,
 		goto err_hcd_driver_setup;
 	}
 
-	/* wakeup flag init is in transition; for now we can't rely on PCI to
-	 * initialize these bits properly, so we let reset() override it.
-	 * This init should _precede_ the reset() once PCI behaves.
-	 */
-	device_init_wakeup(&rhdev->dev,
-			device_can_wakeup(hcd->self.controller));
-
 	/* NOTE: root hub and controller capabilities may not be the same */
 	if (device_can_wakeup(hcd->self.controller)
 			&& device_can_wakeup(&hcd->self.root_hub->dev))
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 0c87f73f293..90b8d43c6b3 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -1168,19 +1168,9 @@ static inline const char *plural(int n)
 static int choose_configuration(struct usb_device *udev)
 {
 	int i;
-	u16 devstatus;
-	int bus_powered;
 	int num_configs;
 	struct usb_host_config *c, *best;
 
-	/* If this fails, assume the device is bus-powered */
-	devstatus = 0;
-	usb_get_status(udev, USB_RECIP_DEVICE, 0, &devstatus);
-	le16_to_cpus(&devstatus);
-	bus_powered = ((devstatus & (1 << USB_DEVICE_SELF_POWERED)) == 0);
-	dev_dbg(&udev->dev, "device is %s-powered\n",
-			bus_powered ? "bus" : "self");
-
 	best = NULL;
 	c = udev->config;
 	num_configs = udev->descriptor.bNumConfigurations;
@@ -1197,6 +1187,19 @@ static int choose_configuration(struct usb_device *udev)
 		 * similar errors in their descriptors.  If the next test
 		 * were allowed to execute, such configurations would always
 		 * be rejected and the devices would not work as expected.
+		 * In the meantime, we run the risk of selecting a config
+		 * that requires external power at a time when that power
+		 * isn't available.  It seems to be the lesser of two evils.
+		 *
+		 * Bugzilla #6448 reports a device that appears to crash
+		 * when it receives a GET_DEVICE_STATUS request!  We don't
+		 * have any other way to tell whether a device is self-powered,
+		 * but since we don't use that information anywhere but here,
+		 * the call has been removed.
+		 *
+		 * Maybe the GET_DEVICE_STATUS call and the test below can
+		 * be reinstated when device firmwares become more reliable.
+		 * Don't hold your breath.
 		 */
 #if 0
 		/* Rule out self-powered configs for a bus-powered device */
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 544f7589912..73f5a379d9b 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -863,7 +863,7 @@ static int ohci_restart (struct ohci_hcd *ohci)
 		i = ohci->num_ports;
 		while (i--)
 			ohci_writel (ohci, RH_PS_PSS,
-				&ohci->regs->roothub.portstatus [temp]);
+				&ohci->regs->roothub.portstatus [i]);
 		ohci_dbg (ohci, "restart complete\n");
 	}
 	return 0;
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index f419bd82ab7..435273e7c85 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -1557,6 +1557,9 @@ void hid_init_reports(struct hid_device *hid)
 #define USB_VENDOR_ID_HP		0x03f0
 #define USB_DEVICE_ID_HP_USBHUB_KB	0x020c
 
+#define USB_VENDOR_ID_IBM		0x04b3
+#define USB_DEVICE_ID_IBM_USBHUB_KB	0x3005
+
 #define USB_VENDOR_ID_CREATIVELABS	0x062a
 #define USB_DEVICE_ID_CREATIVELABS_SILVERCREST	0x0201
 
@@ -1681,6 +1684,7 @@ static const struct hid_blacklist {
 	{ USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_USBHUB_KB, HID_QUIRK_NOGET},
 	{ USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_CREATIVELABS_SILVERCREST, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_HP, USB_DEVICE_ID_HP_USBHUB_KB, HID_QUIRK_NOGET },
+	{ USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_USBHUB_KB, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_TANGTOP, USB_DEVICE_ID_TANGTOP_USBPS2, HID_QUIRK_NOGET },
 	{ USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD, HID_QUIRK_NOGET | HID_QUIRK_MULTI_INPUT },
 	{ USB_VENDOR_ID_SILVERCREST, USB_DEVICE_ID_SILVERCREST_KB, HID_QUIRK_NOGET },
diff --git a/drivers/usb/input/hiddev.c b/drivers/usb/input/hiddev.c
index 6dd66669617..c4670e1d465 100644
--- a/drivers/usb/input/hiddev.c
+++ b/drivers/usb/input/hiddev.c
@@ -317,6 +317,7 @@ static ssize_t hiddev_read(struct file * file, char __user * buffer, size_t coun
 				}
 
 				schedule();
+				set_current_state(TASK_INTERRUPTIBLE);
 			}
 
 			set_current_state(TASK_RUNNING);
diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c
index 3824df33094..1fd9cb85f4c 100644
--- a/drivers/usb/misc/emi26.c
+++ b/drivers/usb/misc/emi26.c
@@ -15,6 +15,7 @@
 #include <linux/module.h>
 #include <linux/init.h>
 #include <linux/usb.h>
+#include <linux/delay.h>
 
 #define MAX_INTEL_HEX_RECORD_LENGTH 16
 typedef struct _INTEL_HEX_RECORD
@@ -114,6 +115,7 @@ static int emi26_load_firmware (struct usb_device *dev)
 
 	/* De-assert reset (let the CPU run) */
 	err = emi26_set_reset(dev,0);
+	msleep(250);	/* let device settle */
 
 	/* 2. We upload the FPGA firmware into the EMI
 	 * Note: collect up to 1023 (yes!) bytes and send them with
@@ -150,6 +152,7 @@ static int emi26_load_firmware (struct usb_device *dev)
 			goto wraperr;
 		}
 	}
+	msleep(250);	/* let device settle */
 
 	/* De-assert reset (let the CPU run) */
 	err = emi26_set_reset(dev,0);
@@ -192,6 +195,7 @@ static int emi26_load_firmware (struct usb_device *dev)
 		err("%s - error loading firmware: error = %d", __FUNCTION__, err);
 		goto wraperr;
 	}
+	msleep(250);	/* let device settle */
 
 	/* return 1 to fail the driver inialization
 	 * and give real driver change to load */
diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c
index 52fea2e08db..fe351371f27 100644
--- a/drivers/usb/misc/emi62.c
+++ b/drivers/usb/misc/emi62.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/usb.h>
+#include <linux/delay.h>
 
 #define MAX_INTEL_HEX_RECORD_LENGTH 16
 typedef struct _INTEL_HEX_RECORD
@@ -123,6 +124,7 @@ static int emi62_load_firmware (struct usb_device *dev)
 
 	/* De-assert reset (let the CPU run) */
 	err = emi62_set_reset(dev,0);
+	msleep(250);	/* let device settle */
 
 	/* 2. We upload the FPGA firmware into the EMI
 	 * Note: collect up to 1023 (yes!) bytes and send them with
@@ -166,6 +168,7 @@ static int emi62_load_firmware (struct usb_device *dev)
 		err("%s - error loading firmware: error = %d", __FUNCTION__, err);
 		goto wraperr;
 	}
+	msleep(250);	/* let device settle */
 
 	/* 4. We put the part of the firmware that lies in the external RAM into the EZ-USB */
 
@@ -228,6 +231,7 @@ static int emi62_load_firmware (struct usb_device *dev)
 		err("%s - error loading firmware: error = %d", __FUNCTION__, err);
 		goto wraperr;
 	}
+	msleep(250);	/* let device settle */
 
 	kfree(buf);
 
diff --git a/drivers/usb/net/pegasus.c b/drivers/usb/net/pegasus.c
index 2deb4c01539..7683926a1b6 100644
--- a/drivers/usb/net/pegasus.c
+++ b/drivers/usb/net/pegasus.c
@@ -318,6 +318,8 @@ static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd)
 	set_register(pegasus, PhyCtrl, (indx | PHY_READ));
 	for (i = 0; i < REG_TIMEOUT; i++) {
 		ret = get_registers(pegasus, PhyCtrl, 1, data);
+		if (ret == -ESHUTDOWN)
+			goto fail;
 		if (data[0] & PHY_DONE)
 			break;
 	}
@@ -326,6 +328,7 @@ static int read_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 * regd)
 		*regd = le16_to_cpu(regdi);
 		return ret;
 	}
+fail:
 	if (netif_msg_drv(pegasus))
 		dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__);
 
@@ -354,12 +357,15 @@ static int write_mii_word(pegasus_t * pegasus, __u8 phy, __u8 indx, __u16 regd)
 	set_register(pegasus, PhyCtrl, (indx | PHY_WRITE));
 	for (i = 0; i < REG_TIMEOUT; i++) {
 		ret = get_registers(pegasus, PhyCtrl, 1, data);
+		if (ret == -ESHUTDOWN)
+			goto fail;
 		if (data[0] & PHY_DONE)
 			break;
 	}
 	if (i < REG_TIMEOUT)
 		return ret;
 
+fail:
 	if (netif_msg_drv(pegasus))
 		dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__);
 	return -ETIMEDOUT;
@@ -387,6 +393,8 @@ static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata)
 		ret = get_registers(pegasus, EpromCtrl, 1, &tmp);
 		if (tmp & EPROM_DONE)
 			break;
+		if (ret == -ESHUTDOWN)
+			goto fail;
 	}
 	if (i < REG_TIMEOUT) {
 		ret = get_registers(pegasus, EpromData, 2, &retdatai);
@@ -394,6 +402,7 @@ static int read_eprom_word(pegasus_t * pegasus, __u8 index, __u16 * retdata)
 		return ret;
 	}
 
+fail:
 	if (netif_msg_drv(pegasus))
 		dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__);
 	return -ETIMEDOUT;
@@ -433,12 +442,15 @@ static int write_eprom_word(pegasus_t * pegasus, __u8 index, __u16 data)
 
 	for (i = 0; i < REG_TIMEOUT; i++) {
 		ret = get_registers(pegasus, EpromCtrl, 1, &tmp);
+		if (ret == -ESHUTDOWN)
+			goto fail;
 		if (tmp & EPROM_DONE)
 			break;
 	}
 	disable_eprom_write(pegasus);
 	if (i < REG_TIMEOUT)
 		return ret;
+fail:
 	if (netif_msg_drv(pegasus))
 		dev_warn(&pegasus->intf->dev, "fail %s\n", __FUNCTION__);
 	return -ETIMEDOUT;
@@ -1378,9 +1390,8 @@ static int pegasus_suspend (struct usb_interface *intf, pm_message_t message)
 	struct pegasus *pegasus = usb_get_intfdata(intf);
 	
 	netif_device_detach (pegasus->net);
+	cancel_delayed_work(&pegasus->carrier_check);
 	if (netif_running(pegasus->net)) {
-		cancel_delayed_work(&pegasus->carrier_check);
-
 		usb_kill_urb(pegasus->rx_urb);
 		usb_kill_urb(pegasus->intr_urb);
 	}
@@ -1400,10 +1411,9 @@ static int pegasus_resume (struct usb_interface *intf)
 		pegasus->intr_urb->status = 0;
 		pegasus->intr_urb->actual_length = 0;
 		intr_callback(pegasus->intr_urb, NULL);
-
-		queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
-					CARRIER_CHECK_DELAY);
 	}
+	queue_delayed_work(pegasus_workqueue, &pegasus->carrier_check,
+				CARRIER_CHECK_DELAY);
 	return 0;
 }
 
diff --git a/drivers/usb/serial/Kconfig b/drivers/usb/serial/Kconfig
index f96b73f54bf..5c60be52156 100644
--- a/drivers/usb/serial/Kconfig
+++ b/drivers/usb/serial/Kconfig
@@ -71,6 +71,16 @@ config USB_SERIAL_ANYDATA
 	  To compile this driver as a module, choose M here: the
 	  module will be called anydata.
 
+config USB_SERIAL_ARK3116
+	tristate "USB ARK Micro 3116 USB Serial Driver (EXPERIMENTAL)"
+	depends on USB_SERIAL && EXPERIMENTAL
+	help
+	  Say Y here if you want to use a ARK Micro 3116 USB to Serial
+	  device.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called ark3116
+
 config USB_SERIAL_BELKIN
 	tristate "USB Belkin and Peracom Single Port Serial Driver"
 	depends on USB_SERIAL
diff --git a/drivers/usb/serial/Makefile b/drivers/usb/serial/Makefile
index 93c21245b1a..5a0960fc9d3 100644
--- a/drivers/usb/serial/Makefile
+++ b/drivers/usb/serial/Makefile
@@ -13,6 +13,7 @@ usbserial-objs	:= usb-serial.o generic.o bus.o $(usbserial-obj-y)
 
 obj-$(CONFIG_USB_SERIAL_AIRPRIME)		+= airprime.o
 obj-$(CONFIG_USB_SERIAL_ANYDATA)		+= anydata.o
+obj-$(CONFIG_USB_SERIAL_ARK3116)		+= ark3116.o
 obj-$(CONFIG_USB_SERIAL_BELKIN)			+= belkin_sa.o
 obj-$(CONFIG_USB_SERIAL_CP2101)			+= cp2101.o
 obj-$(CONFIG_USB_SERIAL_CYBERJACK)		+= cyberjack.o
diff --git a/drivers/usb/serial/airprime.c b/drivers/usb/serial/airprime.c
index dbf1f063098..694b205f9b7 100644
--- a/drivers/usb/serial/airprime.c
+++ b/drivers/usb/serial/airprime.c
@@ -18,6 +18,7 @@
 static struct usb_device_id id_table [] = {
 	{ USB_DEVICE(0xf3d, 0x0112) },  /* AirPrime CDMA Wireless PC Card */
 	{ USB_DEVICE(0x1410, 0x1110) }, /* Novatel Wireless Merlin CDMA */
+	{ USB_DEVICE(0x1199, 0x0112) }, /* Sierra Wireless Aircard 580 */
 	{ },
 };
 MODULE_DEVICE_TABLE(usb, id_table);
diff --git a/drivers/usb/serial/ark3116.c b/drivers/usb/serial/ark3116.c
new file mode 100644
index 00000000000..8dec796222a
--- /dev/null
+++ b/drivers/usb/serial/ark3116.c
@@ -0,0 +1,465 @@
+/*
+ * ark3116
+ * - implements a driver for the arkmicro ark3116 chipset (vendor=0x6547,
+ *   productid=0x0232) (used in a datacable called KQ-U8A)
+ *
+ * - based on code by krisfx -> thanks !!
+ *   (see http://www.linuxquestions.org/questions/showthread.php?p=2184457#post2184457)
+ *
+ *  - based on logs created by usbsnoopy
+ *
+ *  Author   : Simon Schulz [ark3116_driver<AT>auctionant.de]
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/tty.h>
+#include <linux/module.h>
+#include <linux/usb.h>
+#include "usb-serial.h"
+
+
+static int debug;
+
+static struct usb_device_id id_table [] = {
+	{ USB_DEVICE(0x6547, 0x0232) },
+	{ },
+};
+MODULE_DEVICE_TABLE(usb, id_table);
+
+struct ark3116_private {
+	spinlock_t lock;
+	u8 termios_initialized;
+};
+
+static inline void ARK3116_SND(struct usb_serial *serial, int seq,
+			       __u8 request, __u8 requesttype,
+			       __u16 value, __u16 index)
+{
+	int result;
+	result = usb_control_msg(serial->dev,
+				 usb_sndctrlpipe(serial->dev,0),
+				 request, requesttype, value, index,
+				 NULL,0x00, 1000);
+	dbg("%03d > ok",seq);
+}
+
+static inline void ARK3116_RCV(struct usb_serial *serial, int seq,
+			       __u8 request, __u8 requesttype,
+			       __u16 value, __u16 index, __u8 expected,
+			       char *buf)
+{
+	int result;
+	result = usb_control_msg(serial->dev,
+			      usb_rcvctrlpipe(serial->dev,0),
+			      request, requesttype, value, index,
+			      buf, 0x0000001, 1000);
+	if (result)
+		dbg("%03d < %d bytes [0x%02X]",seq, result, buf[0]);
+	else
+		dbg("%03d < 0 bytes", seq);
+}
+
+
+static inline void ARK3116_RCV_QUIET(struct usb_serial *serial,
+				     __u8 request, __u8 requesttype,
+				     __u16 value, __u16 index, char *buf)
+{
+	usb_control_msg(serial->dev,
+			usb_rcvctrlpipe(serial->dev,0),
+			request, requesttype, value, index,
+			buf, 0x0000001, 1000);
+}
+
+
+static int ark3116_attach(struct usb_serial *serial)
+{
+	char *buf;
+	struct ark3116_private *priv;
+	int i;
+
+	for (i = 0; i < serial->num_ports; ++i) {
+		priv = kmalloc (sizeof (struct ark3116_private), GFP_KERNEL);
+		if (!priv)
+			goto cleanup;
+		memset (priv, 0x00, sizeof (struct ark3116_private));
+		spin_lock_init(&priv->lock);
+
+		usb_set_serial_port_data(serial->port[i], priv);
+	}
+
+	buf = kmalloc(1, GFP_KERNEL);
+	if (!buf) {
+		dbg("error kmalloc -> out of mem ?");
+		goto cleanup;
+	}
+
+	/* 3 */
+	ARK3116_SND(serial, 3,0xFE,0x40,0x0008,0x0002);
+	ARK3116_SND(serial, 4,0xFE,0x40,0x0008,0x0001);
+	ARK3116_SND(serial, 5,0xFE,0x40,0x0000,0x0008);
+	ARK3116_SND(serial, 6,0xFE,0x40,0x0000,0x000B);
+
+	/* <-- seq7 */
+	ARK3116_RCV(serial, 7,0xFE,0xC0,0x0000,0x0003, 0x00, buf);
+	ARK3116_SND(serial, 8,0xFE,0x40,0x0080,0x0003);
+	ARK3116_SND(serial, 9,0xFE,0x40,0x001A,0x0000);
+	ARK3116_SND(serial,10,0xFE,0x40,0x0000,0x0001);
+	ARK3116_SND(serial,11,0xFE,0x40,0x0000,0x0003);
+
+	/* <-- seq12 */
+	ARK3116_RCV(serial,12,0xFE,0xC0,0x0000,0x0004, 0x00, buf);
+	ARK3116_SND(serial,13,0xFE,0x40,0x0000,0x0004);
+
+	/* 14 */
+	ARK3116_RCV(serial,14,0xFE,0xC0,0x0000,0x0004, 0x00, buf);
+	ARK3116_SND(serial,15,0xFE,0x40,0x0000,0x0004);
+
+	/* 16 */
+	ARK3116_RCV(serial,16,0xFE,0xC0,0x0000,0x0004, 0x00, buf);
+	/* --> seq17 */
+	ARK3116_SND(serial,17,0xFE,0x40,0x0001,0x0004);
+
+	/* <-- seq18 */
+	ARK3116_RCV(serial,18,0xFE,0xC0,0x0000,0x0004, 0x01, buf);
+
+	/* --> seq19 */
+	ARK3116_SND(serial,19,0xFE,0x40,0x0003,0x0004);
+
+
+	/* <-- seq20 */
+	/* seems like serial port status info (RTS, CTS,...) */
+	/* returns modem control line status ?! */
+	ARK3116_RCV(serial,20,0xFE,0xC0,0x0000,0x0006, 0xFF, buf);
+
+	/* set 9600 baud & do some init ?! */
+	ARK3116_SND(serial,147,0xFE,0x40,0x0083,0x0003);
+	ARK3116_SND(serial,148,0xFE,0x40,0x0038,0x0000);
+	ARK3116_SND(serial,149,0xFE,0x40,0x0001,0x0001);
+	ARK3116_SND(serial,150,0xFE,0x40,0x0003,0x0003);
+	ARK3116_RCV(serial,151,0xFE,0xC0,0x0000,0x0004,0x03, buf);
+	ARK3116_SND(serial,152,0xFE,0x40,0x0000,0x0003);
+	ARK3116_RCV(serial,153,0xFE,0xC0,0x0000,0x0003,0x00, buf);
+	ARK3116_SND(serial,154,0xFE,0x40,0x0003,0x0003);
+
+	kfree(buf);
+	return(0);
+
+cleanup:
+	for (--i; i>=0; --i)
+		usb_set_serial_port_data(serial->port[i], NULL);
+	return -ENOMEM;
+}
+
+static void ark3116_set_termios(struct usb_serial_port *port,
+				struct termios *old_termios)
+{
+	struct usb_serial *serial = port->serial;
+	struct ark3116_private *priv = usb_get_serial_port_data(port);
+	unsigned int cflag = port->tty->termios->c_cflag;
+	unsigned long flags;
+	int baud;
+	int ark3116_baud;
+	char *buf;
+	char config;
+
+	config = 0;
+
+	dbg("%s - port %d", __FUNCTION__, port->number);
+
+	if ((!port->tty) || (!port->tty->termios)) {
+		dbg("%s - no tty structures", __FUNCTION__);
+		return;
+	}
+
+	spin_lock_irqsave(&priv->lock, flags);
+	if (!priv->termios_initialized) {
+		*(port->tty->termios) = tty_std_termios;
+		port->tty->termios->c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
+		priv->termios_initialized = 1;
+	}
+	spin_unlock_irqrestore(&priv->lock, flags);
+
+	cflag = port->tty->termios->c_cflag;
+
+	/* check that they really want us to change something: */
+	if (old_termios) {
+		if ((cflag == old_termios->c_cflag) &&
+		    (RELEVANT_IFLAG(port->tty->termios->c_iflag) ==
+		     RELEVANT_IFLAG(old_termios->c_iflag))) {
+			dbg("%s - nothing to change...", __FUNCTION__);
+			return;
+		}
+	}
+
+	buf = kmalloc(1, GFP_KERNEL);
+	if (!buf) {
+		dbg("error kmalloc");
+		return;
+	}
+
+	/* set data bit count (8/7/6/5) */
+	if (cflag & CSIZE){
+		switch (cflag & CSIZE){
+		case CS5:
+			config |= 0x00;
+			dbg("setting CS5");
+			break;
+		case CS6:
+			config |= 0x01;
+			dbg("setting CS6");
+			break;
+		case CS7:
+			config |= 0x02;
+			dbg("setting CS7");
+			break;
+		default:
+			err ("CSIZE was set but not CS5-CS8, using CS8!");
+		case CS8:
+			config |= 0x03;
+			dbg("setting CS8");
+			break;
+		}
+	}
+
+	/* set parity (NONE,EVEN,ODD) */
+	if (cflag & PARENB){
+		if (cflag & PARODD) {
+			config |= 0x08;
+			dbg("setting parity to ODD");
+		} else {
+			config |= 0x18;
+			dbg("setting parity to EVEN");
+		}
+	} else {
+		dbg("setting parity to NONE");
+	}
+
+	/* SET STOPBIT (1/2) */
+	if (cflag & CSTOPB) {
+		config |= 0x04;
+		dbg ("setting 2 stop bits");
+	} else {
+		dbg ("setting 1 stop bit");
+	}
+
+
+	/* set baudrate: */
+	baud = 0;
+	switch (cflag & CBAUD){
+		case B0:
+			err("can't set 0baud, using 9600 instead");
+			break;
+		case B75:	baud = 75;	break;
+		case B150:	baud = 150;	break;
+		case B300:	baud = 300;	break;
+		case B600:	baud = 600;	break;
+		case B1200:	baud = 1200;	break;
+		case B1800:	baud = 1800;	break;
+		case B2400:	baud = 2400;	break;
+		case B4800:	baud = 4800;	break;
+		case B9600:	baud = 9600;	break;
+		case B19200:	baud = 19200;	break;
+		case B38400:	baud = 38400;	break;
+		case B57600:	baud = 57600;	break;
+		case B115200:	baud = 115200;	break;
+		case B230400:	baud = 230400;	break;
+		case B460800:	baud = 460800;	break;
+		default:
+			dbg("does not support the baudrate requested (fix it)");
+			break;
+	}
+
+	/* set 9600 as default (if given baudrate is invalid for example) */
+	if (baud == 0)
+		baud = 9600;
+
+	/*
+	 * found by try'n'error, be careful, maybe there are other options
+	 * for multiplicator etc!
+	 */
+	if (baud == 460800)
+		/* strange, for 460800 the formula is wrong
+		 * (dont use round(), then 9600baud is wrong) */
+		ark3116_baud = 7;
+	else
+		ark3116_baud = 3000000 / baud;
+
+	/* ? */
+	ARK3116_RCV(serial,0,0xFE,0xC0,0x0000,0x0003, 0x03, buf);
+	/* offset = buf[0]; */
+	/* offset = 0x03; */
+	/* dbg("using 0x%04X as target for 0x0003:",0x0080+offset); */
+
+
+	/* set baudrate */
+	dbg("setting baudrate to %d (->reg=%d)",baud,ark3116_baud);
+	ARK3116_SND(serial,147,0xFE,0x40,0x0083,0x0003);
+	ARK3116_SND(serial,148,0xFE,0x40,(ark3116_baud & 0x00FF)   ,0x0000);
+	ARK3116_SND(serial,149,0xFE,0x40,(ark3116_baud & 0xFF00)>>8,0x0001);
+	ARK3116_SND(serial,150,0xFE,0x40,0x0003,0x0003);
+
+	/* ? */
+	ARK3116_RCV(serial,151,0xFE,0xC0,0x0000,0x0004,0x03, buf);
+	ARK3116_SND(serial,152,0xFE,0x40,0x0000,0x0003);
+
+	/* set data bit count, stop bit count & parity: */
+	dbg("updating bit count, stop bit or parity (cfg=0x%02X)", config);
+	ARK3116_RCV(serial,153,0xFE,0xC0,0x0000,0x0003,0x00, buf);
+	ARK3116_SND(serial,154,0xFE,0x40,config,0x0003);
+
+	if (cflag & CRTSCTS)
+		dbg("CRTSCTS not supported by chipset ?!");
+
+	/* TEST ARK3116_SND(154,0xFE,0x40,0xFFFF, 0x0006); */
+
+	kfree(buf);
+	return;
+}
+
+static int ark3116_open(struct usb_serial_port *port, struct file *filp)
+{
+	struct termios tmp_termios;
+	struct usb_serial *serial = port->serial;
+	char *buf;
+	int result = 0;
+
+	dbg("%s -  port %d", __FUNCTION__, port->number);
+
+	buf = kmalloc(1, GFP_KERNEL);
+	if (!buf) {
+		dbg("error kmalloc -> out of mem ?");
+		return -ENOMEM;
+	}
+
+	result = usb_serial_generic_open(port, filp);
+	if (result)
+		return result;
+
+	/* open */
+	ARK3116_RCV(serial,111,0xFE,0xC0,0x0000,0x0003, 0x02, buf);
+
+	ARK3116_SND(serial,112,0xFE,0x40,0x0082,0x0003);
+	ARK3116_SND(serial,113,0xFE,0x40,0x001A,0x0000);
+	ARK3116_SND(serial,114,0xFE,0x40,0x0000,0x0001);
+	ARK3116_SND(serial,115,0xFE,0x40,0x0002,0x0003);
+
+	ARK3116_RCV(serial,116,0xFE,0xC0,0x0000,0x0004, 0x03, buf);
+	ARK3116_SND(serial,117,0xFE,0x40,0x0002,0x0004);
+
+	ARK3116_RCV(serial,118,0xFE,0xC0,0x0000,0x0004, 0x02, buf);
+	ARK3116_SND(serial,119,0xFE,0x40,0x0000,0x0004);
+
+	ARK3116_RCV(serial,120,0xFE,0xC0,0x0000,0x0004, 0x00, buf);
+
+	ARK3116_SND(serial,121,0xFE,0x40,0x0001,0x0004);
+
+	ARK3116_RCV(serial,122,0xFE,0xC0,0x0000,0x0004, 0x01, buf);
+
+	ARK3116_SND(serial,123,0xFE,0x40,0x0003,0x0004);
+
+	/* returns different values (control lines ?!) */
+	ARK3116_RCV(serial,124,0xFE,0xC0,0x0000,0x0006, 0xFF, buf);
+
+	/* initialise termios: */
+	if (port->tty)
+		ark3116_set_termios(port, &tmp_termios);
+
+	kfree(buf);
+
+	return result;
+
+}
+
+static int ark3116_ioctl(struct usb_serial_port *port, struct file *file,
+			 unsigned int cmd, unsigned long arg)
+{
+	dbg("ioctl not supported yet...");
+	return -ENOIOCTLCMD;
+}
+
+static int ark3116_tiocmget(struct usb_serial_port *port, struct file *file)
+{
+	struct usb_serial *serial = port->serial;
+	char *buf;
+	char temp;
+
+	/* seems like serial port status info (RTS, CTS,...) is stored
+	 * in reg(?) 0x0006
+	 * pcb connection point 11 = GND -> sets bit4 of response
+	 * pcb connection point  7 = GND -> sets bit6 of response
+	 */
+
+	buf = kmalloc(1, GFP_KERNEL);
+	if (!buf) {
+		dbg("error kmalloc");
+		return -ENOMEM;
+	}
+
+	/* read register: */
+	ARK3116_RCV_QUIET(serial,0xFE,0xC0,0x0000,0x0006,buf);
+	temp = buf[0];
+	kfree(buf);
+
+	/* i do not really know if bit4=CTS and bit6=DSR... was just a
+	 * quick guess !!
+	 */
+	return  (temp & (1<<4) ? TIOCM_CTS : 0) |
+	        (temp & (1<<6) ? TIOCM_DSR : 0);
+}
+
+static struct usb_driver ark3116_driver = {
+	.name =		"ark3116",
+	.probe =	usb_serial_probe,
+	.disconnect =	usb_serial_disconnect,
+	.id_table =	id_table,
+};
+
+static struct usb_serial_driver ark3116_device = {
+	.driver = {
+		.owner =	THIS_MODULE,
+		.name =		"ark3116",
+	},
+	.id_table =		id_table,
+	.num_interrupt_in =	1,
+	.num_bulk_in =		1,
+	.num_bulk_out =		1,
+	.num_ports =		1,
+	.attach =		ark3116_attach,
+	.set_termios =		ark3116_set_termios,
+	.ioctl =		ark3116_ioctl,
+	.tiocmget =		ark3116_tiocmget,
+	.open =			ark3116_open,
+};
+
+static int __init ark3116_init(void)
+{
+	int retval;
+
+	retval = usb_serial_register(&ark3116_device);
+	if (retval)
+		return retval;
+	retval = usb_register(&ark3116_driver);
+	if (retval)
+		usb_serial_deregister(&ark3116_device);
+	return retval;
+}
+
+static void __exit ark3116_exit(void)
+{
+	usb_deregister(&ark3116_driver);
+	usb_serial_deregister(&ark3116_device);
+}
+
+module_init(ark3116_init);
+module_exit(ark3116_exit);
+MODULE_LICENSE("GPL");
+
+module_param(debug, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(debug, "Debug enabled or not");
+
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 82151207d81..986d7622273 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -307,6 +307,7 @@ static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = {
 
 
 static struct usb_device_id id_table_combined [] = {
+	{ USB_DEVICE(FTDI_VID, FTDI_ACTZWAVE_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_IRTRANS_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_IPLUS_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SIO_PID) },
@@ -498,6 +499,7 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) },
 	{ USB_DEVICE(ICOM_ID1_VID, ICOM_ID1_PID) },
 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_TMU_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ACG_HFDUAL_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 2c55a5ea9c9..d69a917e768 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -32,6 +32,10 @@
 #define FTDI_NF_RIC_PID	0x0001	/* Product Id */
 
 
+/* ACT Solutions HomePro ZWave interface (http://www.act-solutions.com/HomePro.htm) */
+#define FTDI_ACTZWAVE_PID	0xF2D0
+
+
 /* www.irtrans.de device */
 #define FTDI_IRTRANS_PID 0xFC60 /* Product Id */
 
@@ -426,6 +430,11 @@
 #define PAPOUCH_VID			0x5050	/* Vendor ID */
 #define PAPOUCH_TMU_PID			0x0400	/* TMU USB Thermometer */
 
+/*
+ * ACG Identification Technologies GmbH products (http://www.acg.de/).
+ * Submitted by anton -at- goto10 -dot- org.
+ */
+#define FTDI_ACG_HFDUAL_PID		0xDD20	/* HF Dual ISO Reader (RFID) */
 
 /* Commands */
 #define FTDI_SIO_RESET 		0 /* Reset the port */
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index 476cda107f4..c62cc287651 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -138,6 +138,7 @@ int usb_serial_generic_open (struct usb_serial_port *port, struct file *filp)
 
 	return result;
 }
+EXPORT_SYMBOL_GPL(usb_serial_generic_open);
 
 static void generic_cleanup (struct usb_serial_port *port)
 {
diff --git a/drivers/usb/serial/omninet.c b/drivers/usb/serial/omninet.c
index 4d40704dea2..238033a8709 100644
--- a/drivers/usb/serial/omninet.c
+++ b/drivers/usb/serial/omninet.c
@@ -257,14 +257,14 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf
 		return (0);
 	}
 
-	spin_lock(&port->lock);
-	if (port->write_urb_busy) {
-		spin_unlock(&port->lock);
+	spin_lock(&wport->lock);
+	if (wport->write_urb_busy) {
+		spin_unlock(&wport->lock);
 		dbg("%s - already writing", __FUNCTION__);
 		return 0;
 	}
-	port->write_urb_busy = 1;
-	spin_unlock(&port->lock);
+	wport->write_urb_busy = 1;
+	spin_unlock(&wport->lock);
 
 	count = (count > OMNINET_BULKOUTSIZE) ? OMNINET_BULKOUTSIZE : count;
 
@@ -283,7 +283,7 @@ static int omninet_write (struct usb_serial_port *port, const unsigned char *buf
 	wport->write_urb->dev = serial->dev;
 	result = usb_submit_urb(wport->write_urb, GFP_ATOMIC);
 	if (result) {
-		port->write_urb_busy = 0;
+		wport->write_urb_busy = 0;
 		err("%s - failed submitting write urb, error %d", __FUNCTION__, result);
 	} else
 		result = count;
diff --git a/drivers/usb/serial/usb-serial.c b/drivers/usb/serial/usb-serial.c
index 071f86a59c0..9c36f0ece20 100644
--- a/drivers/usb/serial/usb-serial.c
+++ b/drivers/usb/serial/usb-serial.c
@@ -189,11 +189,15 @@ static int serial_open (struct tty_struct *tty, struct file * filp)
 
 	portNumber = tty->index - serial->minor;
 	port = serial->port[portNumber];
-	if (!port)
-		return -ENODEV;
+	if (!port) {
+		retval = -ENODEV;
+		goto bailout_kref_put;
+	}
 
-	if (mutex_lock_interruptible(&port->mutex))
-		return -ERESTARTSYS;
+	if (mutex_lock_interruptible(&port->mutex)) {
+		retval = -ERESTARTSYS;
+		goto bailout_kref_put;
+	}
 	 
 	++port->open_count;
 
@@ -209,7 +213,7 @@ static int serial_open (struct tty_struct *tty, struct file * filp)
 		 * safe because we are called with BKL held */
 		if (!try_module_get(serial->type->driver.owner)) {
 			retval = -ENODEV;
-			goto bailout_kref_put;
+			goto bailout_mutex_unlock;
 		}
 
 		/* only call the device specific open if this 
@@ -224,10 +228,11 @@ static int serial_open (struct tty_struct *tty, struct file * filp)
 
 bailout_module_put:
 	module_put(serial->type->driver.owner);
-bailout_kref_put:
-	kref_put(&serial->kref, destroy_serial);
+bailout_mutex_unlock:
 	port->open_count = 0;
 	mutex_unlock(&port->mutex);
+bailout_kref_put:
+	kref_put(&serial->kref, destroy_serial);
 	return retval;
 }