From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0253207A32; Tue, 10 Feb 2026 13:20:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770729612; cv=none; b=iL0V0U+6JVCE3Og/4STvpemwgJ2yzB/1ypz2m9oJ1Z8MgWvib2n23xA6DUfr1YuX2FwQE+zw/Znd0hC93kFHO4sL/BUtwPPmGMLVAcTeSb3R0Tzy7XYgtNRHnVfjivgLKN1Ln2qQvSmI3lr9pTnCHSs5MjZPLhyY5/Ql5f7016k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770729612; c=relaxed/simple; bh=toSC5s+ubaUUQaH7VZ/GqRFBz3eGQyNTwdjaeHc2VOU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Kkehz5VFS5WT+dwzdV4nMfmCQ1HRn8mae5Y+jsUXkscCzOgdsxhtGdDwHZYZiDJ7UfqPC8wTJDw3OiCGvsOGEBgGjIWZEgUiooLmJCSKVtfsEy0nrGY/0KD27RBo+UC4boqucvM1txzQGU0kvmhjTA4x1ySachoajsF9vFH2mbw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=YPpChklP; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="YPpChklP" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B412C116C6; Tue, 10 Feb 2026 13:20:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1770729612; bh=toSC5s+ubaUUQaH7VZ/GqRFBz3eGQyNTwdjaeHc2VOU=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=YPpChklPzlPeYgA7aSDANV1jRvt8+tIXhuhKwJkglgOWOtG/5xoCWuiGxbY68H6+I xZwnBO7rSMcAvIZKz+sLlXkh+JFL3Aa9b+UWRpE0byrqziu4vSb5oUMU497IHVvko3 bzTs3A/BLQfn5YvT1QfyudoHMhWhAzYRkX9cuaRM= Date: Tue, 10 Feb 2026 14:20:08 +0100 From: Greg Kroah-Hartman To: Marco Felsch Cc: Ze Huang , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Fabio Estevam , Matthias Kaehlcke , Liam Girdwood , Mark Brown , devicetree@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@pengutronix.de Subject: Re: [PATCH v4 0/5] Add onboard-dev USB hub host managed vbus handling support Message-ID: <2026021026-unaired-freebie-718a@gregkh> References: <20250911-v6-16-topic-usb-onboard-dev-v4-0-1af288125d74@pengutronix.de> <20260210123228.wmtyf3ezwratne5k@pengutronix.de> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260210123228.wmtyf3ezwratne5k@pengutronix.de> On Tue, Feb 10, 2026 at 01:32:28PM +0100, Marco Felsch wrote: > Hi, > > On 26-02-10, Ze Huang wrote: > > On Fri Sep 12, 2025 at 4:22 AM CST, Marco Felsch wrote: > > > Hi, > > > > > > the whole purpose of this series is to make it possible to control the > > > USB VBUS regulators of an USB hub via host managed regulators. > > > > > > Regards, > > > Marco > > > > > > --- > > > Changes in v4: > > > - dt-bindings: change to vbus-supply and shift doc to usb-device.yaml > > > - onboard_dev: make use of new regulator API to parse child device > > > regulators. > > > - onboard_dev: drop hard coded downstream port number and make it more > > > dynamic > > > - onboard_dev: drop limiting support to SMSC hubs > > > - Link to v3: https://lore.kernel.org/r/20250821-v6-16-topic-usb-onboard-dev-v3-0-6d2b38a5d818@pengutronix.de > > > > > > Changes in v3: > > > - fix dt-bindings issues > > > - Link to v2: https://lore.kernel.org/all/20250327172803.3404615-1-m.felsch@pengutronix.de/ > > > > > > Changes in v2: > > > - fix compile time errors in case the module builds > > > - Link to v1: https://lore.kernel.org/all/20240807-b4-v6-10-topic-usb-onboard-dev-v1-0-f33ce21353c9@pengutronix.de/ > > > > > > --- > > > Marco Felsch (5): > > > usb: port: track the disabled state > > > usb: hub: add infrastructure to pass onboard_dev port features > > > dt-bindings: usb: usb-device: add usb hub port vbus-supply suppport > > > dt-bindings: usb: microchip,usb2514: add vbus-supply example > > > usb: misc: onboard_dev: add hub downstream port host vbus-supply handling > > > > > > .../devicetree/bindings/usb/microchip,usb2514.yaml | 7 ++ > > > .../devicetree/bindings/usb/usb-device.yaml | 6 ++ > > > drivers/usb/core/hub.c | 55 +++++++++- > > > drivers/usb/core/hub.h | 4 + > > > drivers/usb/core/port.c | 6 ++ > > > drivers/usb/misc/onboard_usb_dev.c | 117 +++++++++++++++++++++ > > > include/linux/usb.h | 3 + > > > 7 files changed, 196 insertions(+), 2 deletions(-) > > > --- > > > base-commit: 038d61fd642278bab63ee8ef722c50d10ab01e8f > > > change-id: 20250821-v6-16-topic-usb-onboard-dev-b8d4d1d8a086 > > > > > > Best regards, > > > > Hi Marco, > > > > I'm checking in to ask about the status of this patch series. > > > > We are currently working on the Spacemit K1 SoC and we have a use case > > that requires onboard_dev to manage the USB VBUS regulator. This series > > would be very helpful for us :) > > :) > > > Link: https://lore.kernel.org/all/DG8QBWSJ79MP.2MVIHFRBX3WXX@linux.dev/ > > Regarding the status of this series. Rob provided his r-b tag once I > fixed the minor typo. I also need to fix bug [1] which is triggered by > the asix binding. I could move the 'vbus-supply' example to the > usb-device.yaml. > > @Greg, @USB-maintainers > Are the driver changes OK? I have no idea, this thread was from a very long time ago. Please resubmit after rebasing on 7.0-rc1 when it is out as we can't do anything with any new patches until then anyway. thanks, greg k-h