[U-Boot] [PATCH v2 0/7] [RESEND] Improvements for the dwc3_generic driver

Fri Sep 21 10:43:51 UTC 2018

Hi Jean-Jacques,

> On 21/09/2018 11:24, Lukasz Majewski wrote:
> > Hi Jean-Jacques,
> >  
> >> On 21/09/2018 10:50, Lukasz Majewski wrote:  
> >>> Hi Jean-Jacques,
> >>>     
> >>>> Hi Marek,
> >>>>
> >>>> I haven't heard of you on this series.
> >>>>
> >>>> It is already a resend and has been tested on 2 platforms (zcu100
> >>>> and dra7/am57).
> >>>>
> >>>> Can you please consider it for inclusion?  
> >>> This is not Marek to blame for the delay - I had some non open
> >>> source tasks to finish (and I do apologise for this situation).  
> >> Thanks. I am not blaming anyone.  
> > :-)
> >
> > Could you check the build result?
> > https://travis-ci.org/lmajewski/u-boot-dfu/builds/431388980  
> 
> > I do see some issues with "Freescale ARM32/ARM64".  
> I can reproduce the problem.
> The root cause is that I moved the phy handling operation from the
> host (xhci-dwc3.c) to the core dwc3/core.c thinking that all users of
> the dwc3 would have the core code. Well that is not the case.

Maybe a silly question - how those boards work as they do not
use/include the DWC3 core?

They use xhci PHY handling code and what code on top?

> I see 2 solutions:
> * move the phy code back to xhci-dwc3
> * enable the core code for dwc3 (CONFIG_USB_DWC3) for the failing
> platforms
> 
> Any preference ?
> 
> 
> >  
> >> I just wanted to make sure that this
> >> wasn't lost in limbo.
> >>  
> >>> Your patches are now under build testing on travis-CI:
> >>> https://travis-ci.org/lmajewski/u-boot-dfu/builds/431388980
> >>>
> >>> I will send the PR after CI finish.
> >>>     
> >>>> Thanks,
> >>>>
> >>>> JJ
> >>>>
> >>>>
> >>>>
> >>>> On 04/09/2018 15:42, Jean-Jacques Hiblot wrote:  
> >>>>> Resending this series after rebasing on top of latest u-boot.
> >>>>>
> >>>>> 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>"
> >>>>>
> >>>>> 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 v2:
> >>>>> - Updated commit log
> >>>>> - Fixed typo in thordown.c
> >>>>> - select DM_USB_DEV by default for zynqmp platforms
> >>>>>
> >>>>> Jean-Jacques Hiblot (7):
> >>>>>      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
> >>>>>      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 +-
> >>>>>     drivers/usb/Kconfig               |   6 ++
> >>>>>     drivers/usb/dwc3/Kconfig          |   7 +-
> >>>>>     drivers/usb/dwc3/core.c           |  86 +++++++++++++++-
> >>>>>     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      |  93 ++---------------
> >>>>> include/dwc3-uboot.h              |   7 ++
> >>>>> include/linux/usb/gadget.h        |  18 ++++ 17 files changed,
> >>>>> 351 insertions(+), 184 deletions(-)  
> >>>
> >>>
> >>> Best regards,
> >>>
> >>> Lukasz Majewski
> >>>
> >>> --
> >>>
> >>> DENX Software Engineering GmbH,      Managing Director: Wolfgang
> >>> Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell,
> >>> Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email:
> >>> wd at denx.de  
> >
> >
> >
> > Best regards,
> >
> > Lukasz Majewski
> >
> > --
> >
> > DENX Software Engineering GmbH,      Managing Director: Wolfgang
> > Denk HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell,
> > Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email:
> > wd at denx.de  
> 

Best regards,

Lukasz Majewski

--

DENX Software Engineering GmbH,      Managing Director: Wolfgang Denk
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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