---

yaml
---
r: 326139
b: refs/heads/master
c: a6e097d
h: refs/heads/master
i:
  326137: 6558ab5
  326135: d8f34a7
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e064852072c47b69f62325c6b7fa4a58332655bd
+refs/heads/master: a6e097dfdfd189b6929af6efa1d289af61858386

trunk/Documentation/ABI/testing/sysfs-bus-usb

@@ -227,3 +227,27 @@ Contact:	Lan Tianyu <tianyu.lan@intel.com>
 Description:
 		The /sys/bus/usb/devices/.../(hub interface)/portX
 		is usb port device's sysfs directory.
+
+What:		/sys/bus/usb/devices/.../(hub interface)/portX/control
+Date:		August 2012
+Contact:	Lan Tianyu <tianyu.lan@intel.com>
+Description:
+		The /sys/bus/usb/devices/.../(hub interface)/portX/control
+		attribute allows user space to control the power policy on
+		the usb port.
+
+		All ports have one of the following two values for control
+		"on" - port power must be on.
+		"off" - port power must be off.
+
+What:		/sys/bus/usb/devices/.../(hub interface)/portX/state
+Date:		August 2012
+Contact:	Lan Tianyu <tianyu.lan@intel.com>
+Description:
+		The /sys/bus/usb/devices/.../(hub interface)/portX/state
+		attribute allows user space to check hub port's power state.
+
+		All ports have three following states
+		"on"	  -    port power on
+		"off"	  -    port power off
+		"error"	  -    can't get the hub port's power state

trunk/drivers/usb/core/hub.c

@@ -39,11 +39,17 @@
 #endif
 #endif
 
+enum port_power_policy {
+	USB_PORT_POWER_ON = 0,
+	USB_PORT_POWER_OFF,
+};
+
 struct usb_port {
 	struct usb_device *child;
 	struct device dev;
 	struct dev_state *port_owner;
 	enum usb_port_connect_type connect_type;
+	enum port_power_policy port_power_policy;
 };
 
 struct usb_hub {
@@ -93,6 +99,10 @@ struct usb_hub {
 	struct usb_port		**ports;
 };
 
+static const char on_string[] = "on";
+static const char off_string[] = "off";
+static const struct attribute_group *port_dev_group[];
+
 static inline int hub_is_superspeed(struct usb_device *hdev)
 {
 	return (hdev->descriptor.bDeviceProtocol == USB_HUB_PR_SS);
@@ -845,7 +855,12 @@ static unsigned hub_power_on(struct usb_hub *hub, bool do_delay)
 		dev_dbg(hub->intfdev, "trying to enable port power on "
 				"non-switchable hub\n");
 	for (port1 = 1; port1 <= hub->descriptor->bNbrPorts; port1++)
-		set_port_feature(hub->hdev, port1, USB_PORT_FEAT_POWER);
+		if (hub->ports[port1 - 1]->port_power_policy
+				== USB_PORT_POWER_ON)
+			set_port_feature(hub->hdev, port1, USB_PORT_FEAT_POWER);
+		else
+			clear_port_feature(hub->hdev, port1,
+					USB_PORT_FEAT_POWER);
 
 	/* Wait at least 100 msec for power to become stable */
 	delay = max(pgood_delay, (unsigned) 100);
@@ -1263,6 +1278,7 @@ static int usb_hub_create_port_device(struct usb_hub *hub,
 
 	hub->ports[port1 - 1] = port_dev;
 	port_dev->dev.parent = hub->intfdev;
+	port_dev->dev.groups = port_dev_group;
 	port_dev->dev.type = &usb_port_device_type;
 	dev_set_name(&port_dev->dev, "port%d", port1);
 
@@ -2628,6 +2644,25 @@ static int port_is_power_on(struct usb_hub *hub, unsigned portstatus)
 	return ret;
 }
 
+static int usb_get_hub_port_power_state(struct usb_device *hdev, int port1)
+{
+	struct usb_hub *hub = hdev_to_hub(hdev);
+	struct usb_port_status data;
+	u16 portstatus;
+	int ret;
+
+	ret = get_port_status(hub->hdev, port1, &data);
+	if (ret < 4) {
+		dev_err(hub->intfdev,
+			"%s failed (err = %d)\n", __func__, ret);
+		if (ret >= 0)
+			ret = -EIO;
+		return ret;
+	} else
+		portstatus = le16_to_cpu(data.wPortStatus);
+	return port_is_power_on(hub, portstatus);
+}
+
 #ifdef	CONFIG_PM
 
 /* Check if a port is suspended(USB2.0 port) or in U3 state(USB3.0 port) */
@@ -4634,6 +4669,102 @@ static int hub_thread(void *__unused)
 	return 0;
 }
 
+static ssize_t show_port_power_state(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct usb_device *udev = to_usb_device(dev->parent->parent);
+	struct usb_interface *intf = to_usb_interface(dev->parent);
+	int port1, power_state;
+	const char *result;
+
+	sscanf(dev_name(dev), "port%d", &port1);
+	usb_autopm_get_interface(intf);
+	power_state = usb_get_hub_port_power_state(udev, port1);
+	usb_autopm_put_interface(intf);
+	if (power_state == 1)
+		result = on_string;
+	else if (!power_state)
+		result = off_string;
+	else
+		result = "error";
+	return sprintf(buf, "%s\n", result);
+}
+static DEVICE_ATTR(state, S_IRUGO, show_port_power_state, NULL);
+
+static ssize_t show_port_power_control(struct device *dev,
+	struct device_attribute *attr, char *buf)
+{
+	struct usb_port *hub_port = to_usb_port(dev);
+	const char *result;
+
+	switch (hub_port->port_power_policy) {
+	case USB_PORT_POWER_ON:
+		result = on_string;
+		break;
+	case USB_PORT_POWER_OFF:
+		result = off_string;
+		break;
+	default:
+		return -EINVAL;
+	}
+	return sprintf(buf, "%s\n", result);
+}
+
+static ssize_t store_port_power_control(struct device *dev,
+		struct device_attribute *attr, const char *buf, size_t count)
+{
+	struct usb_device *hdev = to_usb_device(dev->parent->parent);
+	struct usb_interface *intf = to_usb_interface(dev->parent);
+	struct usb_port *hub_port = to_usb_port(dev);
+	int port1, ret, len = count;
+	char *cp;
+
+	sscanf(dev_name(dev), "port%d", &port1);
+	cp = memchr(buf, '\n', count);
+	if (cp)
+		len = cp - buf;
+	if (len == sizeof(on_string) - 1
+			&& strncmp(buf, on_string, len) == 0) {
+		hub_port->port_power_policy = USB_PORT_POWER_ON;
+		usb_autopm_get_interface(intf);
+		ret = set_port_feature(hdev, port1, USB_PORT_FEAT_POWER);
+		usb_autopm_put_interface(intf);
+		if (ret < 0)
+			return -EIO;
+	} else if (len == sizeof(off_string) - 1
+			&& strncmp(buf, off_string, len) == 0) {
+		struct usb_hub *hub = hdev_to_hub(hdev);
+
+		hub_port->port_power_policy = USB_PORT_POWER_OFF;
+		usb_autopm_get_interface(intf);
+		hub_port_logical_disconnect(hub, port1);
+		ret = clear_port_feature(hdev, port1, USB_PORT_FEAT_POWER);
+		usb_autopm_put_interface(intf);
+		if (ret < 0)
+			return -EIO;
+	} else
+		return -EINVAL;
+
+	return count;
+}
+static DEVICE_ATTR(control, S_IWUSR | S_IRUGO, show_port_power_control,
+		store_port_power_control);
+
+static struct attribute *port_dev_attrs[] = {
+	&dev_attr_control.attr,
+	&dev_attr_state.attr,
+	NULL,
+};
+
+static struct attribute_group port_dev_attr_grp = {
+	.attrs = port_dev_attrs,
+};
+
+static const struct attribute_group *port_dev_group[] = {
+	&port_dev_attr_grp,
+	NULL,
+};
+
 static const struct usb_device_id hub_id_table[] = {
     { .match_flags = USB_DEVICE_ID_MATCH_DEV_CLASS,
       .bDeviceClass = USB_CLASS_HUB},

trunk/drivers/usb/host/ehci-fsl.c

@@ -267,7 +267,8 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
 		break;
 	}
 
-	if (pdata->controller_ver && (phy_mode == FSL_USB2_PHY_ULPI)) {
+	if ((pdata->controller_ver) && ((phy_mode == FSL_USB2_PHY_ULPI) ||
+			(phy_mode == FSL_USB2_PHY_UTMI))) {
 		/* check PHY_CLK_VALID to get phy clk valid */
 		if (!spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) &
 				PHY_CLK_VALID, FSL_USB_PHY_CLK_TIMEOUT, 0)) {

trunk/drivers/usb/host/xhci.c

@@ -888,7 +888,7 @@ int xhci_suspend(struct xhci_hcd *xhci)
 	command &= ~CMD_RUN;
 	xhci_writel(xhci, command, &xhci->op_regs->command);
 	if (handshake(xhci, &xhci->op_regs->status,
-		      STS_HALT, STS_HALT, 100*100)) {
+		      STS_HALT, STS_HALT, XHCI_MAX_HALT_USEC)) {
 		xhci_warn(xhci, "WARN: xHC CMD_RUN timeout\n");
 		spin_unlock_irq(&xhci->lock);
 		return -ETIMEDOUT;

trunk/drivers/usb/serial/Kconfig

@@ -182,6 +182,14 @@ config USB_SERIAL_VISOR
 	  To compile this driver as a module, choose M here: the
 	  module will be called visor.
 
+config USB_SERIAL_VIZZINI
+	tristate "USB Vizzini Serial Converter Driver"
+	help
+	  Say Y here if you have a Vizzini USB to serial device.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called vizzini.
+
 config USB_SERIAL_IPAQ
 	tristate "USB PocketPC PDA Driver"
 	help

trunk/drivers/usb/serial/Makefile

@@ -59,6 +59,7 @@ obj-$(CONFIG_USB_SERIAL_SYMBOL)			+= symbolserial.o
 obj-$(CONFIG_USB_SERIAL_WWAN)			+= usb_wwan.o
 obj-$(CONFIG_USB_SERIAL_TI)			+= ti_usb_3410_5052.o
 obj-$(CONFIG_USB_SERIAL_VISOR)			+= visor.o
+obj-$(CONFIG_USB_SERIAL_VIZZINI)		+= vizzini.o
 obj-$(CONFIG_USB_SERIAL_WHITEHEAT)		+= whiteheat.o
 obj-$(CONFIG_USB_SERIAL_XIRCOM)			+= keyspan_pda.o
 obj-$(CONFIG_USB_SERIAL_VIVOPAY_SERIAL)		+= vivopay-serial.o

trunk/drivers/usb/serial/ftdi_sio.c

@@ -579,8 +579,6 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_TAVIR_STK500_PID) },
-	{ USB_DEVICE(FTDI_VID, FTDI_TIAO_UMPA_PID),
-		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	/*
 	 * ELV devices:
 	 */

trunk/drivers/usb/serial/ftdi_sio_ids.h

@@ -517,11 +517,6 @@
  */
 #define FTDI_TAVIR_STK500_PID	0xFA33	/* STK500 AVR programmer */
 
-/*
- * TIAO product ids (FTDI_VID)
- * http://www.tiaowiki.com/w/Main_Page
- */
-#define FTDI_TIAO_UMPA_PID	0x8a98	/* TIAO/DIYGADGET USB Multi-Protocol Adapter */
 
 
 /********************************/