Thanks for looking in to this,

On 16 December 2015 at 17:34, Maxime Ripard <
maxime.rip...@free-electrons.com> wrote:

> Hi,
>
> On Wed, Dec 16, 2015 at 12:47:18PM +1100, David Tulloh wrote:
> > Hi,
> >
> > I am working on a SinoVoip Bananapi M1
> >
> > With the current mainline USB does not work.
>
> What are you trying to do with USB? Plain USB ? USB OTG? Which port
> are you connecting it to?
>

Plain USB, the ports next to the ethernet port.
I believe they are USB1 and USB2.
On the schematic it is J3.

Attempting to connect a no-name keyboard, which is generally connected
during boot but plugging it in later makes no difference. Also using a
Turtle Beach audio dongle with power LED.

The keyboard and power LEDs come on towards the end of the U-Boot process
but switch off once the kernel starts to boot.

The keyboard is completely non-functional at the login prompt. Standard
keys aren't printed in addition to numlock and friends not responding.


>
> > I believe that power to the USB vbus is being disabled during boot.
>
> If you're using the micro-USB port and that the device is connected at
> boot, yes, that might be the issue.
>
> > Failing build v4.4-rc5
> > Working build v4.2.3
> >
> > Compiled with
> > make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- sunxi_defconfig
> menuconfig
> > zImage dtbs
>
> What did you change in menuconfig?
>

I have tried a few options on and off. I have tested, without noticable
change, kernels with all these options not set.
In config matching the attached output I had changed:

CONFIG_KEYBOARD_ATKBD -> not set
Special HID drivers -> not set
CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
CONFIG_USB_EHCI_ROOT_HUB_TT=y
CONFIG_USB_EHCI_TT_NEWSCHED not set
CONFIG_IPV6=y
CONFIG_REGULATOR_DEBUG=y



>
> > The boot log is attached, debug and CONFIG_REGULATOR_DEBUG were enabled.
>
> I don't see anything out of the ordinary :/
>
> Thanks,
> Maxime
>
> PS: Please have the relevant people and mailing lists in Cc. In this
> case, it would have been Hans, Chen-Yu, me and the linux-arm-kernel
> mailing list.
>
> Thanks, I'll know for next time.


David

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