Re: [PATCHv3 0/2] usb: bcma: control VBUS via a regulator
From: Krzysztof Kozlowski
Date: Fri Sep 25 2026 - 02:54:45 EST
On 25/09/2026 01:38, Rosen Penev wrote:
> bcma-hcd currently drives the USB power line by grabbing the
> undocumented "vcc-gpio" property from the controller node and poking
> it through gpiolib. Besides relying on a non-standard binding, this
> cannot work on boards such as the NETGEAR R7000 and R8000 where one
> chipcommon GPIO powers both the USB2 and USB3 cores: the two
> controllers each request that GPIO exclusively, so the second one
> fails with -EBUSY and its port stays dead.
>
> Instead, switch the driver to the standard regulator interface and
> express the power rails as regulator-fixed nodes bound to the
> chipcommon GPIOs. The regulator core reference-counts enable/disable
> requests, letting both controllers share one GPIO without conflicts.
Please use standard email subjects, so with the PATCH keyword in the
title. `git format-patch -vX` helps here to create proper versioned
patches. Another useful tool is b4. Skipping the PATCH keyword makes
filtering of emails more difficult thus making the review process less
convenient.
Almost all your patches for months now do everything to escape my filters.
Best regards,
Krzysztof