[PATCH] ARM: multi_v7_defconfig: Select CONFIG_USB_ONBOARD_DEV as built-in

Mark Brown broonie at kernel.org
Mon May 6 08:04:27 PDT 2024


On Mon, May 06, 2024 at 02:54:12PM +0000, Matthias Kaehlcke wrote:
> On Fri, May 03, 2024 at 06:13:32PM -0300, Fabio Estevam wrote:
> > On Fri, May 3, 2024 at 5:11 PM Matthias Kaehlcke <mka at chromium.org> wrote:

> > > I wonder if the problem could be that the sense resistors of the hub
> > > on the imx6q-udoo are always active and not only when the hub is
> > > powered, indicating the controller the presence of a device, which
> > > results in an attempt to enumerate it.

> > The  imx6q-udoo schematics are here:
> > https://udoo.org/download/files/UDOO_QUAD-DUAL/schematics/UDOO_QUAD-DUAL_REV_D_schematics.pdf

> There are no external pull-ups on USB_H1_DP/USB_H1_DN, maybe internal
> pulls are enabled when the hub isn't powered?

I do note that the vendor BSP worked (and I think also some older
mainline versions too?).
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