[U-Boot] [PATCH v3 0/8] Improvements for the dwc3_generic driver

[Jean-Jacques Hiblot]

Hi Lukasz,

gentle ping on the status on this series.

JJ


On 09/10/2018 16:29, Loic Devulder wrote:
>
> On 9/25/18 11:03 AM, Jean-Jacques Hiblot wrote:
>> This series aims at bringing improvements to the dwc3_generic driver so
>> that it can be used by most of the platforms using the dwc3 controller.
>>
>> I tested this on with DRA7 and AM57x platforms for both Peripheral and Host
>> operations. The code to enable DM USB host & dev support for those
>> platforms will be submitted in a separate series.
>>
>> Michal Simek has tested this series:
>> " I have tested it on zcu100 with usb stick, usb to ethernet converter and
>> also dfu.
>> Tested-by: Michal Simek <michal.simek at xilinx.com>"
>>
> Tested-by: Loic Devulder <ldevulder at suse.de>
>
> I tested this series of patches on Khadas VIM as well as Libretech-cc
> board and it resolved this issue ("USB0:   "Synchronous Abort" handler,
> esr 0x96000210") I had on both cards (I think on all s905x Amlogic SBC)!
>
>> Enhancements:
>> - use separate Kconfig option for DM USB Periphal and DM USB Host. This
>> allow platforms to keep their non-DM USB peripheral code and use the DM
>> USB host.
>> - fixes the bind/probe confusion in dwc3_generic. The probe is done when
>> the USB device is first needed.
>> - handles PHYs when in the peripheral mode. The code to handle the PHYs is
>> shared with the host side
>> - handles clock and reset
>> - bind host controller to the more generic driver 'xhci-dwc3'
>>
>>
>> Changes in v3:
>> - fixes bug dwc3_setup_phy(): the phy arrays wasn't returned. This was
>>    visible only when the device is removed.
>> - Stub the DWC3 PHY operations if CONFIG_IS_ENABLED(PHY) is false.
>>    This fixes all build issues but one (evb-rk3328).
>> - Fix build issue with evb-rk3328 by enabling CONFIG_USB_DWC3. This has
>>    little impact on the footprint and should not break the runtime as the
>>    xhci-rockchip driver has its own probe function.
>>    Nevertheless this was !!! NOT TESTED !!! by lack of hw
>>
>> Changes in v2:
>> - Updated commit log
>> - Fixed typo in thordown.c
>> - select DM_USB_DEV by default for zynqmp platforms
>>
>> Jean-Jacques Hiblot (8):
>>    usb: gadget: Do not call board_usb_xxx() directly in USB gadget
>>      drivers
>>    usb: introduce a separate config option for DM USB device
>>    usb: udc: implement DM versions of
>>      usb_gadget_initialize()/_release()/_handle_interrupt()
>>    dwc3_generic: do not probe the USB device driver when it's bound
>>    dwc3: move phy operation to core.c
>>    configs: evb-rk3328: Enable CONFIG_USB_DWC3
>>    dwc3-generic: Handle the PHYs, the clocks and the reset lines
>>    dwc3-generic: Add select_dr_mode operation
>>
>>   arch/arm/Kconfig                  |   2 +
>>   cmd/fastboot.c                    |   4 +-
>>   cmd/rockusb.c                     |   4 +-
>>   cmd/thordown.c                    |   4 +-
>>   cmd/usb_gadget_sdp.c              |   4 +-
>>   cmd/usb_mass_storage.c            |   4 +-
>>   common/dfu.c                      |   6 +-
>>   configs/evb-rk3328_defconfig      |   1 +
>>   drivers/usb/Kconfig               |   6 ++
>>   drivers/usb/dwc3/Kconfig          |   7 +-
>>   drivers/usb/dwc3/core.c           |  89 +++++++++++++++-
>>   drivers/usb/dwc3/dwc3-generic.c   | 207 +++++++++++++++++++++++++++++---------
>>   drivers/usb/dwc3/ep0.c            |   1 -
>>   drivers/usb/gadget/ether.c        |  38 +------
>>   drivers/usb/gadget/udc/udc-core.c |  44 +++++++-
>>   drivers/usb/host/xhci-dwc3.c      |  95 ++---------------
>>   include/dwc3-uboot.h              |  19 ++++
>>   include/linux/usb/gadget.h        |  18 ++++
>>   18 files changed, 367 insertions(+), 186 deletions(-)
>>