[PATCHv7 0/8] usb: dwc2: Add support for dual-role

[dinguyen]

From: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>

Hello,

This is version 7 of the patch series that combines the dwc2 gadget and host
driver into a single dual role driver. Here are the main differences from V6:

- patch 1/8: Addressed Felipe's comment on which variables should not be just
  limited to gadget(phy, uphy, regulator_bulk_data_supplies, irq, clk,
  debug_root, debug_file, and debug_fifo).
- patch 2/8: Move conversion to use dev_pm_ops API to separate patch.
- patch 3/8: Convert to use dev_pm_ops API
- patch 4/8: Rebased to s3c_hsotg_core_init is now
  s3c_hsotg_core_init_disconnected(), followed by s3c_hsotg_core_connect().
- patch 5/8: Use IRQF_SHARED to have s3c_hsotg_irq handle gadget interrupts.
  Had to remove paulz's Acked-by for this patch, as it is not quite the same
  patch when his ack was given.
- patch 6/8: Assign clk=NULL if a clock is not provided.
- patch 7/8: Moved ahead of Kconfig/Makefile patch to avoid a build error when
  patch 8 is applied to dual-role.
- patch 8/8: none

For v7, the series is rebased on top of Felipe Balbi's tree on -next
branch. I thought this might be appropriate as there are dwc2 patches already
on this branch.

As usual, tested on SOCFPGA(host, gadget, and dual-role) and on Rpi-B
(host mode only).

I have pushed this series to a git repo to make it more convenient for people
to test/review.

git://git.rocketboards.org/linux-socfpga-next.git dwc2_dual_role_v7

Thanks,

Dinh Nguyen (8):
  usb: dwc2: Update the gadget driver to use common dwc2_hsotg structure
  usb: dwc2: Move gadget probe function into platform code
  usb: dwc2: convert to use dev_pm_ops API
  usb: dwc2: Initialize the USB core for peripheral mode
  usb: dwc2: Update common interrupt handler to call gadget interrupt
    handler
  usb: dwc2: gadget: Do not fail probe if there isn't a clock node
  usb: dwc2: move usb_disabled() call to host driver only
  usb: dwc2: Update Kconfig to support dual-role

 drivers/usb/dwc2/Kconfig     |  66 ++++++-----
 drivers/usb/dwc2/Makefile    |  32 ++---
 drivers/usb/dwc2/core.c      |  10 --
 drivers/usb/dwc2/core.h      | 192 ++++++++++++++++++------------
 drivers/usb/dwc2/core_intr.c |   8 +-
 drivers/usb/dwc2/gadget.c    | 274 ++++++++++++++-----------------------------
 drivers/usb/dwc2/hcd.c       |   6 +-
 drivers/usb/dwc2/hcd.h       |  10 --
 drivers/usb/dwc2/pci.c       |   7 ++
 drivers/usb/dwc2/platform.c  |  42 ++++++-
 10 files changed, 317 insertions(+), 330 deletions(-)

-- 
2.0.3

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