From: Vinod Koul <vkoul@kernel.org>
To: Sebastian Reichel <sebastian.reichel@collabora.com>
Cc: Manivannan Sadhasivam <mani@kernel.org>,
Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Heiko Stuebner <heiko@sntech.de>,
Neil Armstrong <neil.armstrong@linaro.org>,
Igor Paunovic <royalnet026@gmail.com>,
linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org,
linux-phy@lists.infradead.org, kernel@collabora.com,
Krishna Kurapati <krishna.kurapati@oss.qualcomm.com>
Subject: Re: [PATCH v18 0/7] usb: dwc3: introduce Rockchip glue driver
Date: Thu, 12 Nov 2026 19:10:58 +0530 [thread overview]
Message-ID: <avXB6ga-QVfks8RF@parshuram> (raw)
In-Reply-To: <aufM3PCuU9CM8zFo@venus>
On 02-11-26, 00:46, Sebastian Reichel wrote:
> Hi,
>
> On Sun, Nov 01, 2026 at 04:31:52PM +0530, Manivannan Sadhasivam wrote:
> > On 2026-10-21 20:05 +0200, Sebastian Reichel wrote:
> > > The recent Rockchip platform have a combined PHY, which does USB3 and
> > > DisplayPort as well as muxing the lines in arbitrary order. Changing its
> > > enabled functionality requires a PHY reset and as the PHY provides a
> > > clock to the DWC3 controller, this can result in an SError. Apart from
> > > that the PHY might not start up correctly when the DWC3 PIPE interface
> > > is running. This series prepares a Rockchip specific DWC3 glue driver to
> > > help out with these problems. To become useful more patches are needed
> > > on the Rockchip USBDP PHY side, which are send separately.
> > >
> > > This was split from the USBDP cleanup series. v17 has a dependency on
> > > the patches that have been merged to phy's for-next branch. There are
> > > some additional Rockchip USBDP phy fixes, which depend on this series
> > > (which is effectively also a fix).
> >
> > What is the merge strategy for this series?
>
> I see these options (ordered by my preference):
>
> 1: Vinod merges everything; the USB side is mostly a new driver
> and thus there is not much conflict potential
I need ack from Greg for that
>
> 2: Vinod provides an immutable branch with the first two patches,
> USB tree merges the immutable branch and the remaining series.
I can do that
>
> 3: Everything is merged through USB; this would block the final
> cleanup for USBDP from being applied for yet another cycle.
>
> 4: Vinod merges patches 1+2, USB patches are merged one cycle
> later and final USBDP patches are merged two cycles later.
>
> P.S.: I will have to send another version for the correct Sashiko
> feedback on the DWC3 side.
Ok
>
> Greetings,
>
> -- Sebastian
--
~Vinod
next prev parent reply other threads:[~2026-11-12 13:41 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-21 18:05 [PATCH v18 0/7] usb: dwc3: introduce Rockchip glue driver Sebastian Reichel
2026-10-21 18:05 ` [PATCH v18 1/7] phy: rockchip: usbdp: Track PHY power state Sebastian Reichel
2026-11-01 10:58 ` Manivannan Sadhasivam
2026-10-21 18:05 ` [PATCH v18 2/7] phy: rockchip: usbdp: Add reset hook support for dwc3 Sebastian Reichel
2026-11-01 11:01 ` Manivannan Sadhasivam
2026-10-21 18:05 ` [PATCH v18 3/7] usb: dwc3: rockchip: introduce glue driver Sebastian Reichel
2026-10-21 18:05 ` [PATCH v18 4/7] usb: dwc3: core: add post PHY registration hook for platform glue Sebastian Reichel
2026-10-21 18:05 ` [PATCH v18 5/7] usb: dwc3: rockchip: add USBDP PHY reset quirk Sebastian Reichel
2026-10-21 18:05 ` [PATCH v18 6/7] usb: gadget: define stub for usb_udc_vbus_handler Sebastian Reichel
2026-10-21 18:05 ` [PATCH v18 7/7] usb: dwc3: rockchip: fix USB-C reconnect in gadget mode Sebastian Reichel
2026-11-01 11:01 ` [PATCH v18 0/7] usb: dwc3: introduce Rockchip glue driver Manivannan Sadhasivam
2026-11-01 23:46 ` Sebastian Reichel
2026-11-12 13:40 ` Vinod Koul [this message]
2026-11-12 8:48 ` Chaoyi Chen
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