[GIT PULL] USB changes for v3.20

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Hi Greg,

Here's a big pull request for v3.20. All patches have been around
for quite a while. I have tested everything on AM437x SK, AM437x IDK,
AM335x BeagleBoneBlack and AM57x Beagleboard X15.

Let me know if you want me to change anything.

cheers

The following changes since commit ec6f34e5b552fb0a52e6aae1a5afbbb1605cc6cc:

  Linux 3.19-rc5 (2015-01-18 18:02:20 +1200)

are available in the git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git tags/usb-for-v3.20

for you to fetch changes up to 9298b4aad37e8c6962edcdbd0b62620adb207d03:

  usb: musb: fix device hotplug behind hub (2015-02-04 11:16:47 -0600)

----------------------------------------------------------------
usb: patches for v3.20 merge window

Here's the big pull request for Gadgets and PHYs. It's
a total of 217 non-merge commits with pretty much everything
being touched.

The most important bits are a ton of new documentation for
almost all usb gadget functions, a new isp1760 UDC driver,
several improvements to the old net2280 UDC driver, and
some minor tracepoint improvements to dwc3.

Other than that, a big list of minor cleanups, smaller bugfixes
and new features all over the place.

Signed-off-by: Felipe Balbi <balbi@xxxxxx>

----------------------------------------------------------------
Amit Virdi (2):
      usb: dwc3: gadget: Remove redundant check
      usb: dwc3: Remove current_trb as it is unused

Andrzej Pietrasiewicz (26):
      Documentation: usb: gadget_serial: update generic serial setup instruction
      Documentation: usb: ACM function testing
      Documentation: usb: ECM function testing
      Documentation: usb: ECM subset function testing
      Documentation: usb: EEM function testing
      Documentation: usb: FFS function testing
      Documentation: usb: HID function testing
      Documentation: usb: LOOPBACK function testing
      Documentation: usb: MASS STORAGE function testing
      Documentation: usb: MIDI function testing
      Documentation: usb: NCM function testing
      Documentation: usb: OBEX function testing
      Documentation: usb: PHONET function testing
      Documentation: usb: RNDIS function testing
      Documentation: usb: SERIAL function testing
      Documentation: usb: SOURCESINK function testing
      Documentation: usb: UAC1 function testing
      Documentation: usb: UAC2 function testing
      Documentation: usb: UVC function testing
      usb: gadget: hid: consistently use 2^n - 1 for max values
      usb: gadget: f_uvc: rename a macro to avoid conflicts
      usb: gadget: uvc: verify descriptors presence
      usb: gadget: uvc: configfs support in uvc function
      usb: gadget: uvc: preserve the address passed to kfree()
      usb: gadget: uvc: use explicit type instead of void *
      usb: gadget: uvc: comments for iterating over streaming hierarchy

Andy Shevchenko (1):
      usb: gadget: ethernet: re-use %pM specifier to print MAC

Arnd Bergmann (3):
      usb: musb: add generic usb phy dependencies
      usb: musb: add omap-control dependency
      usb: dwc2: fix USB core dependencies

Asaf Vertz (1):
      usb: gadget: zero: fix format string warnings

Bin Liu (3):
      usb: musb: cppi41: correct the macro name EP_MODE_AUTOREG_*
      usb: musb: cppi41: improve rx channel abort routine
      usb: musb: fix device hotplug behind hub

Boris Brezillon (4):
      usb: atmel_usba_udc: Rework at91sam9rl errata handling
      usb: atmel_usba_udc: Add at91sam9g45 and at91sam9x5 errata handling
      usb: atmel_usba_udc: Mask status with enabled irqs
      usb: gadget: atmel_usba: Cache INT_ENB register value

Christoph Jaeger (1):
      usb: gadget: Kconfig: use bool instead of boolean

Dan Carpenter (6):
      usb: gadget: udc: clean up a printk
      usb: gadget: udc: remove bogus NULL check
      usb: gadget: uvc: fix some error codes
      usb: gadget: uvc: remove an impossible condition
      usb: gadget: uvc: memory leak in uvcg_frame_make()
      usb: gadget: uvc: cleanup UVCG_FRAME_ATTR macro

Dmitry Torokhov (1):
      usb: musb: blackfin: remove incorrect __exit_p()

Fabio Estevam (2):
      Documentation: usb: phy: nop: Fix the description of 'vcc-supply'
      usb: phy: phy-generic: Fix USB PHY gpio reset

Felipe Balbi (6):
      Merge tag 'v3.19-rc5' into next
      usb: dwc3: gadget: avoid variable shadowing
      usb: dwc3: gadget: WARN() in case of unknown IRQ
      usb: dwc3: trace: add trace logs for core and gadget
      usb: dwc3: remove reliance on dev_vdbg()
      usb: dwc3: gadget: add missing spin_lock()

Gregory Herrero (20):
      usb: dwc2: gadget: register gadget handle to the phy
      usb: dwc2: gadget: write correct value in ahbcfg register
      usb: dwc2: gadget: don't erase gahbcfg register when enabling dma
      usb: dwc2: gadget: add device tree property to enable dma
      Documentation: dt-bindings: add dt binding info for dwc2 g-use-dma
      usb: dwc2: gadget: configure fifos from device tree
      Documentation: dt-bindings: add dt binding info for dwc2 fifo resizing
      usb: dwc2: gadget: don't block after fifo flush timeout
      usb: dwc2: gadget: add vbus_session support
      usb: dwc2: gadget: reset fifo_map when initializing fifos
      usb: dwc2: gadget: fix pullup handling
      usb: dwc2: gadget: add vbus_draw support
      usb: dwc2: gadget: force gadget initialization in dev mode
      usb: dwc2: host: resume root hub on remote wakeup
      usb: dwc2: gadget: fix clear halt feature handling
      usb: dwc2: gadget: add TEST_MODE feature support
      usb: dwc2: gadget: fix a typo in comment
      usb: dwc2: gadget: add reset flag in init function
      usb: dwc2: gadget: don't modify pullup status during reset
      usb: dwc2: gadget: initialize controller in pullup callback

Heikki Krogerus (3):
      usb: dwc3: pci: remove registration of NOP PHYs
      usb: dwc3: pci: rely on default PM callbacks from PCI driver utility
      usb: dwc3: pci: code cleanup

Julia Lawall (1):
      usb: gadget: fix platform_no_drv_owner.cocci warnings

Laurent Pinchart (26):
      usb: isp1760: Use the gpio descriptor API
      usb: isp1760: Remove isp1760 glue structure
      usb: isp1760: Retrieve pdev memory resource from hcd at remove time
      usb: isp1760: Unmap I/O registers at platform device removal
      usb: isp1760: Merge platform and OF glue codes
      usb: isp1760: Move removal cleanup code to isp1760-hcd.c
      usb: isp1760: Manage device driver data in common code
      usb: isp1760: Don't expose hcd to glue code from isp1760_register
      usb: isp1760: Fix indentation in probe error path
      usb: isp1760: Prefix init_kmem_once and deinit_kmem_cache with isp1760_
      usb: isp1760: Remove busname argument to isp1760_register
      usb: isp1760: Pass resource pointer to isp1760_register
      usb: isp1760: Use the managed devm_ioremap_resource() API
      usb: isp1760: Refactor PCI initialization code
      usb: isp1760: Decouple usb_hdc and isp1760_priv
      usb: isp1760: Prefix driver data structures with isp1760_
      usb: isp1760: Reorganize header files
      usb: isp1760: Move core code to isp1760-core.c
      usb: isp1760: Set IRQF_SHARED flag in core code
      usb: isp1760: Initialize the bus interface in core code
      usb: isp1760: Move PORT1 configuration to core code
      usb: isp1760: Add device controller support
      usb: isp1760: Move driver from drivers/usb/host/ to drivers/usb/isp1760/
      usb: isp1760: Make HCD support optional
      usb: isp1760: Remove duplicate usb_disabled() check
      usb: isp1760: Fix USB disabled check

Li Jun (1):
      usb: phy: mxs: refine mxs_phy_disconnect_line

Mario Schuknecht (2):
      usb: gadget: Fix os desc test
      usb: gadget: f_fs: Fix loop variable

Markus Pargmann (1):
      usb: musb: debugfs: improve copy_from_user() argument

Mian Yousaf Kaukab (22):
      usb: dwc2: gadget: mask fifo empty irq with dma
      usb: dwc2: gadget: don't process XferCompl on setup packet
      usb: dwc2: gadget: don't embed ep0 buffers
      usb: dwc2: gadget: fix error path in dwc2_gadget_init
      usb: dwc2: gadget: add bi-directional endpoint support
      usb: dwc2: gadget: check interrupts for all endpoints
      usb: dwc2: gadget: remove unused members from hsotg_req
      usb: dwc2: gadget: fix debug loop limits
      usb: dwc2: gadget: consider all tx fifos
      usb: dwc2: gadget: kill requests after disabling ep
      usb: dwc2: gadget: manage ep0 state in software
      usb: dwc2: gadget: fix zero length packet transfers
      usb: dwc2: gadget: dont warn if endpoint is not enabled
      usb: dwc2: gadget: rename sent_zlp to send_zlp
      usb: dwc2: gadget: pick smallest acceptable fifo
      usb: dwc2: gadget: fix fifo allocation leak
      usb: dwc2: gadget: report disconnection after reset
      usb: dwc2: gadget: remove hardcoded if (0) and if (1) checks
      usb: dwc2: gadget: add unaligned buffers support
      usb: dwc2: gadget: fix debug message for zlp
      usb: dwc2: gadget: fix phy interface configuration
      usb: dwc2: gadget: replace constants with defines

Michal Nazarewicz (1):
      usb: gadget: f_fs: refactor and document __ffs_ep0_read_events better

Mickael Maison (2):
      usb: dwc3: Fixed a typo in comments
      usb: dwc2: Fixed a few typos in comments

Nicholas Mc Guire (1):
      usb: gadget: cleanup on stack DECLARE_COMPLETIONs

Paul Zimmerman (3):
      usb: phy: make GPIOs optional for the generic phy
      Revert "usb: dwc2: add bus suspend/resume for dwc2"
      MAINTAINERS: update maintainer entry for dwc2 driver

Peter Chen (31):
      usb: phy: phy-mxs-usb: add power down and disable wakeup for .shutdown
      usb: phy: phy-mxs-usb: do not depend on speed for disconnect notifier
      usb: phy: change some comments
      usb: gadget: pxa27x_udc: delete pullup operation at .udc_start and .udc_stop
      usb: gadget: pxa27x_udc: delete pullup operation at .udc_start and .udc_stop
      usb: gadget: mv_udc_core: delete pullup operation at .udc_start
      usb: gadget: uac1: struct gaudio is useless for struct f_uac1_opts
      usb: gadget: u_uac1: fix one code style problem
      usb: phy: mxs: don't need IP fix for imx6sx
      usb: phy: mxs: do not set PWD.RXPWD1PT1 for low speed connection
      usb: phy: mxs: add delay before set phyctrl.clkgate
      usb: gadget: introduce is_selfpowered for usb_gadget
      usb: chipidea: udc: add set_selfpowered gaget ops
      usb: gadget: at91_udc: use common is_selfpowered
      staging: emxx_udc: use common is_selfpowered
      usb: renesas_usbhs: gadget: set value for common is_selfpowered
      usb: gadget: bdc_udc: set value for common is_selfpowered
      usb: gadget: dummy_hcd: set value for common is_selfpowered
      usb: gadget: lpc32xx_udc: use common is_selfpowered
      usb: gadget: fsl_udc_core: set value for common is_selfpowered
      usb: gadget: omap_udc: set value for common is_selfpowered
      usb: gadget: r8a66597-udc: set value for common is_selfpowered
      usb: gadget: net2280: use common is_selfpowered
      usb: gadget: s3c2410_udc: set value for common is_selfpowered
      usb: gadget: net2272: use common is_selfpowered
      usb: gadget: atmel_usba_udc: set value for common is_selfpowered
      usb: gadget: pch_udc: set value for common is_selfpowered
      usb: dwc3: gadget: use common is_selfpowered
      usb: musb: gadget: use common is_selfpowered
      usb: udc-core: add is_selfpowered sys entry
      staging: emxx_udc: fix the build error

Ricardo Ribalda Delgado (18):
      usb: gadget: udc: net2280: Remove obsolete module param use_dma_chaining
      usb: gadget: udc: net2280: remove full_speed module parameter
      usb: gadget: udc: net2280: Remove module parameter use_msi
      usb: gadget: udc: net2280: Remove use_dma module parameter
      usb: gadget: udc: net2280: Remove dma_started field
      usb: gadget: udc: net2280: Remove restart_dma inline function definition
      usb: gadget: udc: net2280: Code cleanout remove ep_stdrsp function
      usb: gadget: udc: net2280: Remove field is_halt
      usb: gadget: udc: net2280: Remove function ep_stall
      usb: gadget: udc: net2280: Merge abort_dma for 228x and 338x
      usb: gadget: udc: net2280: Clean function net2280_queue
      usb: gadget: udc: net2280: Improve patching of defect 7374
      usb: gadget: udc: net2280: Remove function resume_dma
      usb: gadget: udc: net2280: Declare allow_status_338x as inline
      usb: gadget: udc: net2280: Simplify scan_dma_completions
      usb: gadget: udc: net2280: Move ASSERT_OUT_NAKING into out_flush
      usb: gadget: udc: net2280: Re-enable dynamic debug messages
      usb: gadget: net2280: Dont use 0 as NULL pointer

Rickard Strandqvist (2):
      usb: gadget: udc: s3c2410_udc.c: Remove some unused functions
      usb: phy: phy-fsl-usb: Remove some unused functions

Robert Baldyga (5):
      drivers: usb: dwc2: remove 'force' parameter from kill_all_requests()
      tools: ffs-aio-example: add missing wMaxPacketSize for HS descs
      tools: ffs-aio-example: use endpoint addresses from descriptors
      usb: gadget: f_fs: add "no_disconnect" mode
      usb: gadget: ffs: add eventfd notification about ffs events

Robert Jarzmik (5):
      usb: phy: generic: migrate to gpio_desc
      usb: phy: nop: device tree documentation for vbus
      usb: phy: generic: add vbus support
      usb: phy: generic: fix the gpios to be optional
      usb: phy: generic: fix the vbus interrupt request

Roshan Pius (1):
      usb: dwc2: Fix a bug in reading the endpoint directions from reg.

Sergei Shtylyov (7):
      usb: renesas_usbhs: kill dead code in usbhs_probe()
      usb: renesas_usbhs: fix platform init error message
      usb: renesas_usbhs: add OTG ID signal sensing
      usb: dwc2: hcd: use HUB_CHAR_*
      usb: dummy_hcd: use HUB_CHAR_*
      usb: musb: virthub: use HUB_CHAR_*
      usb: renesas_usbhs: mod_host: use HUB_CHAR_*

Xuebing Wang (2):
      usb: gadget: f_uac1: configure endpoint before using it
      usb: gadget: f_uac1: update Class-Specific AudioControl Interface Header Descriptor

Yoshihiro Shimoda (3):
      usb: renesas_usbhs: add usbhsf_dma_init_pdev() function
      usb: renesas_usbhs: add support for requesting DT DMA
      usb: renesas_usbhs: fix NULL pointer dereference in dma_release_channel()

Yunzhi Li (1):
      usb: dwc2: platform: add generic PHY framework support

kbuild test robot (1):
      usb: gadget: uvc: to_uvcg_control_header() can be static

 Documentation/ABI/testing/configfs-usb-gadget-uvc  |  265 +++
 .../devicetree/bindings/usb/atmel-usb.txt          |    5 +-
 Documentation/devicetree/bindings/usb/dwc2.txt     |    4 +
 .../devicetree/bindings/usb/renesas_usbhs.txt      |    2 +
 .../devicetree/bindings/usb/usb-nop-xceiv.txt      |   10 +-
 Documentation/usb/gadget-testing.txt               |  728 ++++++
 Documentation/usb/gadget_serial.txt                |    8 +-
 MAINTAINERS                                        |    2 +-
 drivers/staging/emxx_udc/emxx_udc.c                |    8 +-
 drivers/staging/emxx_udc/emxx_udc.h                |    1 -
 drivers/usb/Kconfig                                |    2 +
 drivers/usb/Makefile                               |    2 +-
 drivers/usb/chipidea/udc.c                         |   18 +-
 drivers/usb/dwc2/Kconfig                           |    4 +-
 drivers/usb/dwc2/core.c                            |    2 +-
 drivers/usb/dwc2/core.h                            |   60 +-
 drivers/usb/dwc2/gadget.c                          | 1191 +++++++---
 drivers/usb/dwc2/hcd.c                             |  100 +-
 drivers/usb/dwc2/hw.h                              |    2 +
 drivers/usb/dwc2/platform.c                        |   36 +-
 drivers/usb/dwc3/Kconfig                           |    6 -
 drivers/usb/dwc3/Makefile                          |    1 -
 drivers/usb/dwc3/core.c                            |    2 +-
 drivers/usb/dwc3/core.h                            |    5 -
 drivers/usb/dwc3/dwc3-pci.c                        |  178 +-
 drivers/usb/dwc3/ep0.c                             |    2 +-
 drivers/usb/dwc3/gadget.c                          |   82 +-
 drivers/usb/dwc3/trace.h                           |   10 +
 drivers/usb/gadget/Kconfig                         |   11 +
 drivers/usb/gadget/composite.c                     |    2 +-
 drivers/usb/gadget/function/Makefile               |    2 +-
 drivers/usb/gadget/function/f_fs.c                 |  119 +-
 drivers/usb/gadget/function/f_hid.c                |    2 +-
 drivers/usb/gadget/function/f_sourcesink.c         |   20 +-
 drivers/usb/gadget/function/f_uac1.c               |   16 +-
 drivers/usb/gadget/function/f_uvc.c                |  136 +-
 drivers/usb/gadget/function/u_ether.c              |    4 +-
 drivers/usb/gadget/function/u_fs.h                 |   25 +
 drivers/usb/gadget/function/u_uac1.c               |    3 +-
 drivers/usb/gadget/function/u_uac1.h               |    1 -
 drivers/usb/gadget/function/u_uvc.h                |   52 +-
 drivers/usb/gadget/function/uvc_configfs.c         | 2468 ++++++++++++++++++++
 drivers/usb/gadget/function/uvc_configfs.h         |   22 +
 drivers/usb/gadget/udc/at91_udc.c                  |    8 +-
 drivers/usb/gadget/udc/at91_udc.h                  |    1 -
 drivers/usb/gadget/udc/atmel_usba_udc.c            |  147 +-
 drivers/usb/gadget/udc/atmel_usba_udc.h            |    9 +
 drivers/usb/gadget/udc/bdc/bdc_core.c              |    1 -
 drivers/usb/gadget/udc/bdc/bdc_ep.c                |   10 +-
 drivers/usb/gadget/udc/bdc/bdc_udc.c               |    1 +
 drivers/usb/gadget/udc/dummy_hcd.c                 |    9 +-
 drivers/usb/gadget/udc/fsl_qe_udc.c                |    2 +-
 drivers/usb/gadget/udc/fsl_udc_core.c              |    5 +-
 drivers/usb/gadget/udc/lpc32xx_udc.c               |   12 +-
 drivers/usb/gadget/udc/mv_udc_core.c               |    3 -
 drivers/usb/gadget/udc/net2272.c                   |    7 +-
 drivers/usb/gadget/udc/net2272.h                   |    1 -
 drivers/usb/gadget/udc/net2280.c                   |  533 ++---
 drivers/usb/gadget/udc/net2280.h                   |   24 +-
 drivers/usb/gadget/udc/omap_udc.c                  |    1 +
 drivers/usb/gadget/udc/pch_udc.c                   |    1 +
 drivers/usb/gadget/udc/pxa25x_udc.c                |    2 -
 drivers/usb/gadget/udc/pxa27x_udc.c                |    2 -
 drivers/usb/gadget/udc/r8a66597-udc.c              |    1 +
 drivers/usb/gadget/udc/s3c2410_udc.c               |   21 +-
 drivers/usb/gadget/udc/udc-core.c                  |    2 +
 drivers/usb/host/Kconfig                           |   14 -
 drivers/usb/host/Makefile                          |    3 -
 drivers/usb/host/isp1760-hcd.h                     |  208 --
 drivers/usb/host/isp1760-if.c                      |  477 ----
 drivers/usb/isp1760/Kconfig                        |   59 +
 drivers/usb/isp1760/Makefile                       |    5 +
 drivers/usb/isp1760/isp1760-core.c                 |  177 ++
 drivers/usb/isp1760/isp1760-core.h                 |   68 +
 drivers/usb/{host => isp1760}/isp1760-hcd.c        |  278 +--
 drivers/usb/isp1760/isp1760-hcd.h                  |  102 +
 drivers/usb/isp1760/isp1760-if.c                   |  309 +++
 drivers/usb/isp1760/isp1760-regs.h                 |  230 ++
 drivers/usb/isp1760/isp1760-udc.c                  | 1498 ++++++++++++
 drivers/usb/isp1760/isp1760-udc.h                  |  106 +
 drivers/usb/musb/Kconfig                           |    7 +-
 drivers/usb/musb/blackfin.c                        |    2 +-
 drivers/usb/musb/musb_core.c                       |    7 +
 drivers/usb/musb/musb_cppi41.c                     |   24 +-
 drivers/usb/musb/musb_debugfs.c                    |    2 +-
 drivers/usb/musb/musb_gadget.c                     |    4 +-
 drivers/usb/musb/musb_gadget_ep0.c                 |    2 +-
 drivers/usb/musb/musb_virthub.c                    |    7 +-
 drivers/usb/phy/phy-fsl-usb.c                      |   35 -
 drivers/usb/phy/phy-generic.c                      |  150 +-
 drivers/usb/phy/phy-generic.h                      |   10 +-
 drivers/usb/phy/phy-mxs-usb.c                      |   86 +-
 drivers/usb/renesas_usbhs/common.c                 |   25 +-
 drivers/usb/renesas_usbhs/common.h                 |    3 +
 drivers/usb/renesas_usbhs/fifo.c                   |   25 +-
 drivers/usb/renesas_usbhs/mod_gadget.c             |    2 +
 drivers/usb/renesas_usbhs/mod_host.c               |    3 +-
 include/linux/usb/gadget.h                         |    2 +
 include/linux/usb/phy.h                            |    4 +-
 include/linux/usb/usb_phy_generic.h                |    2 +
 include/uapi/linux/usb/functionfs.h                |    1 +
 .../usb/ffs-aio-example/multibuff/host_app/test.c  |   14 +-
 .../ffs-aio-example/simple/device_app/aio_simple.c |    2 +
 tools/usb/ffs-aio-example/simple/host_app/test.c   |   17 +-
 104 files changed, 8148 insertions(+), 2244 deletions(-)
 create mode 100644 Documentation/ABI/testing/configfs-usb-gadget-uvc
 create mode 100644 Documentation/usb/gadget-testing.txt
 create mode 100644 drivers/usb/gadget/function/uvc_configfs.c
 create mode 100644 drivers/usb/gadget/function/uvc_configfs.h
 delete mode 100644 drivers/usb/host/isp1760-hcd.h
 delete mode 100644 drivers/usb/host/isp1760-if.c
 create mode 100644 drivers/usb/isp1760/Kconfig
 create mode 100644 drivers/usb/isp1760/Makefile
 create mode 100644 drivers/usb/isp1760/isp1760-core.c
 create mode 100644 drivers/usb/isp1760/isp1760-core.h
 rename drivers/usb/{host => isp1760}/isp1760-hcd.c (91%)
 create mode 100644 drivers/usb/isp1760/isp1760-hcd.h
 create mode 100644 drivers/usb/isp1760/isp1760-if.c
 create mode 100644 drivers/usb/isp1760/isp1760-regs.h
 create mode 100644 drivers/usb/isp1760/isp1760-udc.c
 create mode 100644 drivers/usb/isp1760/isp1760-udc.h
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