USB: remove usb_find_device

[safe/jmp/linux-2.6] / drivers / usb / core / Kconfig

diff --git a/drivers/usb/core/Kconfig b/drivers/usb/core/Kconfig
index 346fc03..7e59444 100644 (file)
--- a/drivers/usb/core/Kconfig
+++ b/drivers/usb/core/Kconfig
@@ -9,11 +9,26 @@ config USB_DEBUG
          of debug messages to the system log. Select this if you are having a
          problem with USB support and want to see more of what is going on.
 
          of debug messages to the system log. Select this if you are having a
          problem with USB support and want to see more of what is going on.
 

+config USB_ANNOUNCE_NEW_DEVICES
+       bool "USB announce new devices"
+       depends on USB
+       default N
+       help
+         Say Y here if you want the USB core to always announce the
+         idVendor, idProduct, Manufacturer, Product, and SerialNumber
+         strings for every new USB device to the syslog.  This option is
+         usually used by distro vendors to help with debugging and to
+         let users know what specific device was added to the machine
+         in what location.
+
+         If you do not want this kind of information sent to the system
+         log, or have any doubts about this, say N here.
+

 comment "Miscellaneous USB options"
        depends on USB
 
 config USB_DEVICEFS
 comment "Miscellaneous USB options"
        depends on USB
 
 config USB_DEVICEFS

-       bool "USB device filesystem"
+       bool "USB device filesystem (DEPRECATED)"

        depends on USB
        ---help---
          If you say Y here (and to "/proc file system support" in the "File
        depends on USB
        ---help---
          If you say Y here (and to "/proc file system support" in the "File


@@ -31,11 +46,15 @@ config USB_DEVICEFS
          For the format of the various /proc/bus/usb/ files, please read
          <file:Documentation/usb/proc_usb_info.txt>.
 
          For the format of the various /proc/bus/usb/ files, please read
          <file:Documentation/usb/proc_usb_info.txt>.
 

-         Usbfs files can't handle Access Control Lists (ACL), which are the
-         default way to grant access to USB devices for untrusted users of a
-         desktop system. The usbfs functionality is replaced by real
-         device-nodes managed by udev. These nodes live in /dev/bus/usb and
-         are used by libusb.
+         Modern Linux systems do not use this.
+
+         Usbfs entries are files and not character devices; usbfs can't
+         handle Access Control Lists (ACL) which are the default way to
+         grant access to USB devices for untrusted users of a desktop
+         system.
+
+         The usbfs functionality is replaced by real device-nodes managed by
+         udev.  These nodes lived in /dev/bus/usb and are used by libusb.

 
 config USB_DEVICE_CLASS
        bool "USB device class-devices (DEPRECATED)"
 
 config USB_DEVICE_CLASS
        bool "USB device class-devices (DEPRECATED)"


@@ -61,8 +80,8 @@ config USB_DEVICE_CLASS
            NAME="bus/usb/$env{BUSNUM}/$env{DEVNUM}", MODE="0644"
 
 config USB_DYNAMIC_MINORS
            NAME="bus/usb/$env{BUSNUM}/$env{DEVNUM}", MODE="0644"
 
 config USB_DYNAMIC_MINORS

-       bool "Dynamic USB minor allocation (EXPERIMENTAL)"
-       depends on USB && EXPERIMENTAL
+       bool "Dynamic USB minor allocation"
+       depends on USB

        help
          If you say Y here, the USB subsystem will use dynamic minor
          allocation for any device that uses the USB major number.
        help
          If you say Y here, the USB subsystem will use dynamic minor
          allocation for any device that uses the USB major number.


@@ -72,12 +91,13 @@ config USB_DYNAMIC_MINORS
          If you are unsure about this, say N here.
 
 config USB_SUSPEND
          If you are unsure about this, say N here.
 
 config USB_SUSPEND

-       bool "USB selective suspend/resume and wakeup (EXPERIMENTAL)"
-       depends on USB && PM && EXPERIMENTAL
+       bool "USB runtime power management (suspend/resume and wakeup)"
+       depends on USB && PM_RUNTIME

        help
          If you say Y here, you can use driver calls or the sysfs
        help
          If you say Y here, you can use driver calls or the sysfs

-         "power/state" file to suspend or resume individual USB
-         peripherals.
+         "power/level" file to suspend or resume individual USB
+         peripherals and to enable or disable autosuspend (see
+         Documentation/usb/power-management.txt for more details).

 
          Also, USB "remote wakeup" signaling is supported, whereby some
          USB devices (like keyboards and network adapters) can wake up
 
          Also, USB "remote wakeup" signaling is supported, whereby some
          USB devices (like keyboards and network adapters) can wake up


@@ -89,20 +109,22 @@ config USB_SUSPEND
 config USB_OTG
        bool
        depends on USB && EXPERIMENTAL
 config USB_OTG
        bool
        depends on USB && EXPERIMENTAL

-       select USB_SUSPEND
+       depends on USB_SUSPEND

        default n
 
 
 config USB_OTG_WHITELIST
        bool "Rely on OTG Targeted Peripherals List"
        default n
 
 
 config USB_OTG_WHITELIST
        bool "Rely on OTG Targeted Peripherals List"

-       depends on USB_OTG
-       default y
+       depends on USB_OTG || EMBEDDED
+       default y if USB_OTG
+       default n if EMBEDDED

        help
          If you say Y here, the "otg_whitelist.h" file will be used as a
          product whitelist, so USB peripherals not listed there will be
          rejected during enumeration.  This behavior is required by the
          USB OTG specification for all devices not on your product's
        help
          If you say Y here, the "otg_whitelist.h" file will be used as a
          product whitelist, so USB peripherals not listed there will be
          rejected during enumeration.  This behavior is required by the
          USB OTG specification for all devices not on your product's

-         "Targeted Peripherals List".
+         "Targeted Peripherals List".  "Embedded Hosts" are likewise
+         allowed to support only a limited number of peripherals.

 
          Otherwise, peripherals not listed there will only generate a
          warning and enumeration will continue.  That's more like what
 
          Otherwise, peripherals not listed there will only generate a
          warning and enumeration will continue.  That's more like what


@@ -111,9 +133,10 @@ config USB_OTG_WHITELIST
 
 config USB_OTG_BLACKLIST_HUB
        bool "Disable external hubs"
 
 config USB_OTG_BLACKLIST_HUB
        bool "Disable external hubs"

-       depends on USB_OTG
+       depends on USB_OTG || EMBEDDED

        help
          If you say Y here, then Linux will refuse to enumerate
          external hubs.  OTG hosts are allowed to reduce hardware
        help
          If you say Y here, then Linux will refuse to enumerate
          external hubs.  OTG hosts are allowed to reduce hardware

-         and software costs by not supporting external hubs.
+         and software costs by not supporting external hubs.  So
+         are "Embedded Hosts" that don't offer OTG support.