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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

  reply	other threads:[~2026-11-12 13:41 UTC|newest]

Thread overview: 21+ 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
2026-10-21 18:10   ` sashiko-bot
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
2026-10-21 18:20   ` sashiko-bot
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 18:12   ` sashiko-bot
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 18:10   ` sashiko-bot
2026-10-21 18:05 ` [PATCH v18 5/7] usb: dwc3: rockchip: add USBDP PHY reset quirk Sebastian Reichel
2026-10-21 18:35   ` sashiko-bot
2026-10-21 18:05 ` [PATCH v18 6/7] usb: gadget: define stub for usb_udc_vbus_handler Sebastian Reichel
2026-10-21 18:13   ` sashiko-bot
2026-10-21 18:05 ` [PATCH v18 7/7] usb: dwc3: rockchip: fix USB-C reconnect in gadget mode Sebastian Reichel
2026-10-21 18:31   ` sashiko-bot
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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