Merge tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB patches from Greg KH:
 "Here's the big pull request for the USB driver tree for 3.20-rc1.

  Nothing major happening here, just lots of gadget driver updates, new
  device ids, and a bunch of cleanups.

  All of these have been in linux-next for a while with no reported
  issues"

* tag 'usb-3.20-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (299 commits)
  usb: musb: fix device hotplug behind hub
  usb: dwc2: Fix a bug in reading the endpoint directions from reg.
  staging: emxx_udc: fix the build error
  usb: Retry port status check on resume to work around RH bugs
  Revert "usb: Reset USB-3 devices on USB-3 link bounce"
  uhci-hub: use HUB_CHAR_*
  usb: kconfig: replace PPC_OF with PPC
  ehci-pci: disable for Intel MID platforms (update)
  usb: gadget: Kconfig: use bool instead of boolean
  usb: musb: blackfin: remove incorrect __exit_p()
  USB: fix use-after-free bug in usb_hcd_unlink_urb()
  ehci-pci: disable for Intel MID platforms
  usb: host: pci_quirks: joing string literals
  USB: add flag for HCDs that can't receive wakeup requests (isp1760-hcd)
  USB: usbfs: allow URBs to be reaped after disconnection
  cdc-acm: kill unnecessary messages
  cdc-acm: add sanity checks
  usb: phy: phy-generic: Fix USB PHY gpio reset
  usb: dwc2: fix USB core dependencies
  usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()
  ...

1 files changed, 265 insertions, 0 deletions

diff --git a/Documentation/ABI/testing/configfs-usb-gadget-uvc b/Documentation/ABI/testing/configfs-usb-gadget-uvc
new file mode 100644
index 000000000000..2f4a0051b32d
--- /dev/null
+++ b/Documentation/ABI/testing/configfs-usb-gadget-uvc
@@ -0,0 +1,265 @@
+What:           /config/usb-gadget/gadget/functions/uvc.name
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    UVC function directory
+
+                streaming_maxburst      - 0..15 (ss only)
+                streaming_maxpacket     - 1..1023 (fs), 1..3072 (hs/ss)
+                streaming_interval      - 1..16
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Control descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/class
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Class descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/class/ss
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Super speed control class descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/class/fs
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Full speed control class descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/terminal
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Terminal descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/terminal/output
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Output terminal descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/terminal/output/default
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Default output terminal descriptors
+
+                All attributes read only:
+                iTerminal       - index of string descriptor
+                bSourceID       - id of the terminal to which this terminal
+                                is connected
+                bAssocTerminal  - id of the input terminal to which this output
+                                terminal is associated
+                wTerminalType   - terminal type
+                bTerminalID     - a non-zero id of this terminal
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Camera terminal descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/terminal/camera/default
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Default camera terminal descriptors
+
+                All attributes read only:
+                bmControls              - bitmap specifying which controls are
+                                        supported for the video stream
+                wOcularFocalLength      - the value of Locular
+                wObjectiveFocalLengthMax- the value of Lmin
+                wObjectiveFocalLengthMin- the value of Lmax
+                iTerminal               - index of string descriptor
+                bAssocTerminal          - id of the output terminal to which
+                                        this terminal is connected
+                wTerminalType           - terminal type
+                bTerminalID             - a non-zero id of this terminal
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/processing
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Processing unit descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/processing/default
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Default processing unit descriptors
+
+                All attributes read only:
+                iProcessing     - index of string descriptor
+                bmControls      - bitmap specifying which controls are
+                                supported for the video stream
+                wMaxMultiplier  - maximum digital magnification x100
+                bSourceID       - id of the terminal to which this unit is
+                                connected
+                bUnitID         - a non-zero id of this unit
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/header
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Control header descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/control/header/name
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Specific control header descriptors
+
+dwClockFrequency
+bcdUVC
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Streaming descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/class
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Streaming class descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/class/ss
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Super speed streaming class descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/class/hs
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    High speed streaming class descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/class/fs
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Full speed streaming class descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/color_matching
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Color matching descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/color_matching/default
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Default color matching descriptors
+
+                All attributes read only:
+                bMatrixCoefficients     - matrix used to compute luma and
+                                        chroma values from the color primaries
+                bTransferCharacteristics- optoelectronic transfer
+                                        characteristic of the source picutre,
+                                        also called the gamma function
+                bColorPrimaries         - color primaries and the reference
+                                        white
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    MJPEG format descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg/name
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Specific MJPEG format descriptors
+
+                All attributes read only,
+                except bmaControls and bDefaultFrameIndex:
+                bmaControls             - this format's data for bmaControls in
+                                        the streaming header
+                bmInterfaceFlags        - specifies interlace information,
+                                        read-only
+                bAspectRatioY           - the X dimension of the picture aspect
+                                        ratio, read-only
+                bAspectRatioX           - the Y dimension of the picture aspect
+                                        ratio, read-only
+                bmFlags                 - characteristics of this format,
+                                        read-only
+                bDefaultFrameIndex      - optimum frame index for this stream
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/mjpeg/name/name
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Specific MJPEG frame descriptors
+
+                dwFrameInterval         - indicates how frame interval can be
+                                        programmed; a number of values
+                                        separated by newline can be specified
+                dwDefaultFrameInterval  - the frame interval the device would
+                                        like to use as default
+                dwMaxVideoFrameBufferSize- the maximum number of bytes the
+                                        compressor will produce for a video
+                                        frame or still image
+                dwMaxBitRate            - the maximum bit rate at the shortest
+                                        frame interval in bps
+                dwMinBitRate            - the minimum bit rate at the longest
+                                        frame interval in bps
+                wHeight                 - height of decoded bitmap frame in px
+                wWidth                  - width of decoded bitmam frame in px
+                bmCapabilities          - still image support, fixed frame-rate
+                                        support
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Uncompressed format descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed/name
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Specific uncompressed format descriptors
+
+                bmaControls             - this format's data for bmaControls in
+                                        the streaming header
+                bmInterfaceFlags        - specifies interlace information,
+                                        read-only
+                bAspectRatioY           - the X dimension of the picture aspect
+                                        ratio, read-only
+                bAspectRatioX           - the Y dimension of the picture aspect
+                                        ratio, read-only
+                bDefaultFrameIndex      - optimum frame index for this stream
+                bBitsPerPixel           - number of bits per pixel used to
+                                        specify color in the decoded video
+                                        frame
+                guidFormat              - globally unique id used to identify
+                                        stream-encoding format
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/uncompressed/name/name
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Specific uncompressed frame descriptors
+
+                dwFrameInterval         - indicates how frame interval can be
+                                        programmed; a number of values
+                                        separated by newline can be specified
+                dwDefaultFrameInterval  - the frame interval the device would
+                                        like to use as default
+                dwMaxVideoFrameBufferSize- the maximum number of bytes the
+                                        compressor will produce for a video
+                                        frame or still image
+                dwMaxBitRate            - the maximum bit rate at the shortest
+                                        frame interval in bps
+                dwMinBitRate            - the minimum bit rate at the longest
+                                        frame interval in bps
+                wHeight                 - height of decoded bitmap frame in px
+                wWidth                  - width of decoded bitmam frame in px
+                bmCapabilities          - still image support, fixed frame-rate
+                                        support
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/header
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Streaming header descriptors
+
+What:           /config/usb-gadget/gadget/functions/uvc.name/streaming/header/name
+Date:           Dec 2014
+KernelVersion:  3.20
+Description:    Specific streaming header descriptors
+
+                All attributes read only:
+                bTriggerUsage           - how the host software will respond to
+                                        a hardware trigger interrupt event
+                bTriggerSupport         - flag specifying if hardware
+                                        triggering is supported
+                bStillCaptureMethod     - method of still image caputre
+                                        supported
+                bTerminalLink           - id of the output terminal to which
+                                        the video endpoint of this interface
+                                        is connected
+                bmInfo                  - capabilities of this video streaming
+                                        interface