Minda, can you test USB Host function on VisionFive2? I guess that it
is connected to the USB-C port. For the boards with JH7110 and not any
VL805 USB controller this Cadence USB is the only way to have host
USB. It is very much wanted to have host USB. Thanks! -E

On Sun, May 19, 2024 at 11:20 PM Minda Chen <minda.c...@starfivetech.com> wrote:
>
>
>
> > -----邮件原件-----
> > 发件人: E Shattow <luc...@gmail.com>
> > 发送时间: 2024年5月20日 13:06
> > 收件人: Minda Chen <minda.c...@starfivetech.com>
> > 抄送: Marek Vasut <ma...@denx.de>; Tom Rini <tr...@konsulko.com>; Roger
> > Quadros <rog...@kernel.org>; Neil Armstrong <neil.armstr...@linaro.org>;
> > Alexey Romanov <avroma...@salutedevices.com>; Sumit Garg
> > <sumit.g...@linaro.org>; Mark Kettenis <kette...@openbsd.org>; Nishanth
> > Menon <n...@ti.com>; Rick Chen <r...@andestech.com>; Leo Yu-Chi Liang
> > <ycli...@andestech.com>; u-boot@lists.denx.de; Heinrich Schuchardt
> > <xypron.g...@gmx.de>; Simon Glass <s...@chromium.org>
> > 主题: Re: [PATCH v1 0/7] Add Starfive JH7110 Cadence USB driver
> >
> > Hi, there is a compile warning. I don't know why.
> >
> > On Sat, May 4, 2024 at 8:04 AM Minda Chen <minda.c...@starfivetech.com>
> > wrote:
> > >
> > > Add Starfive JH7110 Cadence USB driver and related PHY driver.
> > > So the codes can be used in visionfive2 and milkv 7110 board.
> > >
> > > The driver is almost the same with kernel driver.
> > >
> > > patch1: Add set phy mode function in cdns3 core driver
> > >         which is used by Starfive.
> > >
> > > patch2-3: USB and PCIe 2.0 (usb 3.0) PHY drivier
> > > patch4: Cadence USB wrapper driver.
> > > patch5-7 dts, config and maintainers update.
> > >
> > > Minda Chen (7):
> > >   usb: cdns3: Set USB PHY mode in cdns3_probe()
> > >   phy: starfive: Add Starfive JH7110 USB 2.0 PHY driver
> > >   phy: starfive: Add Starfive JH7110 PCIe 2.0 PHY driver
> > >   usb: cdns: starfive: Add cdns USB driver
> > >   configs: starfive: Add visionfive2 cadence USB configuration
> > >   dts: starfive: Add JH7110 Cadence USB dts node
> > >   MAINTAINERS: Update Starfive visionfive2 maintain files.
> > >
> > >  .../dts/jh7110-starfive-visionfive-2.dtsi     |   5 +
> > >  arch/riscv/dts/jh7110.dtsi                    |  52 +++++
> > >  board/starfive/visionfive2/MAINTAINERS        |   2 +
> > >  configs/starfive_visionfive2_defconfig        |   9 +
> > >  drivers/phy/Kconfig                           |   1 +
> > >  drivers/phy/Makefile                          |   1 +
> > >  drivers/phy/starfive/Kconfig                  |  19 ++
> > >  drivers/phy/starfive/Makefile                 |   7 +
> > >  drivers/phy/starfive/phy-jh7110-pcie.c        | 211
> > ++++++++++++++++++
> > >  drivers/phy/starfive/phy-jh7110-usb2.c        | 135 +++++++++++
> > >  drivers/usb/cdns3/Kconfig                     |   7 +
> > >  drivers/usb/cdns3/Makefile                    |   2 +
> > >  drivers/usb/cdns3/cdns3-starfive.c            | 184 +++++++++++++++
> > >  drivers/usb/cdns3/core.c                      |  17 ++
> > >  14 files changed, 652 insertions(+)
> > >  create mode 100644 drivers/phy/starfive/Kconfig  create mode 100644
> > > drivers/phy/starfive/Makefile  create mode 100644
> > > drivers/phy/starfive/phy-jh7110-pcie.c
> > >  create mode 100644 drivers/phy/starfive/phy-jh7110-usb2.c
> > >  create mode 100644 drivers/usb/cdns3/cdns3-starfive.c
> > >
> > >
> > > base-commit: 174ac987655c888017c82df1883c0c2ea0dc2495
> > > --
> > > 2.17.1
> > >
> >
> > The compile warning as follows:
> >
> > In file included from
> > /home/user/source/u-boot.git/drivers/usb/cdns3/gadget.c:70:
> > /home/user/source/u-boot.git/include/linux/bitmap.h: In function
> > ‘bitmap_find_next_zero_area’:
> > /home/user/source/u-boot.git/include/linux/bitmap.h:170:17: warning:
> > implicit declaration of function ‘find_next_zero_bit’; did you mean
> > ‘find_next_bit’? [-Wimplicit-function-declaration]
> >   170 |         index = find_next_zero_bit(map, size, start);
> >       |                 ^~~~~~~~~~~~~~~~~~
> >       |                 find_next_bit
> >   CC      drivers/usb/cdns3/ep0.o
> > In file included from
> > /home/user/source/u-boot.git/include/linux/usb/composite.h:26,
> >                  from
> > /home/user/source/u-boot.git/drivers/usb/cdns3/ep0.c:19:
> > /home/user/source/u-boot.git/include/linux/bitmap.h: In function
> > ‘bitmap_find_next_zero_area’:
> > /home/user/source/u-boot.git/include/linux/bitmap.h:170:17: warning:
> > implicit declaration of function ‘find_next_zero_bit’; did you mean
> > ‘find_next_bit’? [-Wimplicit-function-declaration]
> >   170 |         index = find_next_zero_bit(map, size, start);
> >       |                 ^~~~~~~~~~~~~~~~~~
> >       |                 find_next_bit
> >
> >
> > Is this something missing in the patch series?
> >
> > -E
>
> I have not noticed this. I just check this it is risc-v code do not contain 
> "find_next_zero_bit" macro define.

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