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From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
To: Sven Peter <sven@kernel.org>
Cc: Thinh Nguyen <Thinh.Nguyen@synopsys.com>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Felipe Balbi <balbi@kernel.org>, Janne Grunau <j@jannau.net>,
	Alyssa Rosenzweig <alyssa@rosenzweig.io>,
	Neal Gompa <neal@gompa.dev>, Vinod Koul <vkoul@kernel.org>,
	Kishon Vijay Abraham I <kishon@kernel.org>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Philipp Zabel <p.zabel@pengutronix.de>,
	"linux-usb@vger.kernel.org" <linux-usb@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"asahi@lists.linux.dev" <asahi@lists.linux.dev>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	"linux-phy@lists.infradead.org" <linux-phy@lists.infradead.org>,
	Hector Martin <marcan@marcan.st>
Subject: Re: [PATCH RFC 07/22] usb: dwc3: apple: Adjust vendor-specific registers during init
Date: Thu, 28 Aug 2025 22:51:46 +0000	[thread overview]
Message-ID: <20250828225145.lma4lp2afvmuop2l@synopsys.com> (raw)
In-Reply-To: <0289f92d-0d18-43d2-b98a-da8bb08e9342@kernel.org>

On Sat, Aug 23, 2025, Sven Peter wrote:
> Hi Thinh,
> 
> On 22.08.25 00:18, Thinh Nguyen wrote:
> > For this patch, however, I'd prefer these vendor-specific settings to be
> > in their own glue driver. I can only imagine more changes will be
> > introduced in the future with this vendor. See if we can use the new
> > glue interface in glue.h (some call this the new "flatten" model) when
> > creating a glue driver.
> 
> Nice, thanks! Hints like that are exactly what I was hoping for when
> I sent this RFC.
> 
> When I originally started working on this I tried to use the parent/child
> model but didn't really get anywhere. This flattened model looks very useful
> though.
> 
> I think I can even move some of logic from the previous commits to
> dwc3-apple.c if I extend the glue a little bit. I'll see how that works out
> and maybe do that for the next version then.
> 

That's great! I'll look forward to your updates.

Check this change for inspirations for extending the glue interface:
https://lore.kernel.org/linux-usb/20250815004207.xwv4n6xsat44bydi@synopsys.com/T/#u

Thanks,
Thinh

  reply	other threads:[~2025-08-28 23:27 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-21 15:38 [PATCH RFC 00/22] Apple Silicon USB3 support Sven Peter
2025-08-21 15:38 ` [PATCH RFC 01/22] dt-bindings: usb: snps,dwc3: Allow multiple iommus Sven Peter
2025-08-21 22:39   ` Rob Herring (Arm)
2025-08-22  7:22   ` Krzysztof Kozlowski
2025-08-24  8:31     ` Krzysztof Kozlowski
2025-08-27 16:07       ` Sven Peter
2025-08-28  6:54         ` Krzysztof Kozlowski
2025-08-21 15:38 ` [PATCH RFC 02/22] dt-bindings: usb: Add Apple dwc3 Sven Peter
2025-08-21 22:39   ` Rob Herring (Arm)
2025-08-22  7:24   ` Krzysztof Kozlowski
2025-08-24 15:30     ` Sven Peter
2025-08-21 15:38 ` [PATCH RFC 03/22] dt-bindings: phy: Add Apple Type-C PHY Sven Peter
2025-08-21 16:33   ` Janne Grunau
2025-08-21 23:00     ` Rob Herring
2025-08-24 15:33       ` Sven Peter
2025-08-21 22:39   ` Rob Herring (Arm)
2025-08-21 15:38 ` [PATCH RFC 04/22] usb: dwc3: apple: Reset dwc3 during role switches Sven Peter
2025-08-21 23:25   ` Thinh Nguyen
2025-08-24 13:18     ` Janne Grunau
2025-08-28 23:07       ` Thinh Nguyen
2025-08-24 15:24     ` Sven Peter
2025-08-28 23:14       ` Thinh Nguyen
2025-08-21 15:38 ` [PATCH RFC 05/22] usb: dwc3: apple: Do not use host-vbus-glitches workaround Sven Peter
2025-08-21 22:28   ` Thinh Nguyen
2025-08-23 11:42     ` Sven Peter
2025-08-28 23:06       ` Thinh Nguyen
2025-08-21 15:38 ` [PATCH RFC 06/22] usb: dwc3: apple: Use synchronous role switch for apple Sven Peter
2025-08-21 15:38 ` [PATCH RFC 07/22] usb: dwc3: apple: Adjust vendor-specific registers during init Sven Peter
2025-08-21 22:18   ` Thinh Nguyen
2025-08-23  9:32     ` Sven Peter
2025-08-28 22:51       ` Thinh Nguyen [this message]
2025-08-21 15:39 ` [PATCH RFC 08/22] usb: typec: tipd: Clear interrupts first Sven Peter
2025-08-29  9:37   ` Heikki Krogerus
2025-08-21 15:39 ` [PATCH RFC 09/22] usb: typec: tipd: Move initial irq mask to tipd_data Sven Peter
2025-08-21 15:39 ` [PATCH RFC 10/22] usb: typec: tipd: Move switch_power_state " Sven Peter
2025-08-21 15:39 ` [PATCH RFC 11/22] usb: typec: tipd: Trace data status for CD321x correctly Sven Peter
2025-08-21 15:39 ` [PATCH RFC 12/22] usb: typec: tipd: Add cd321x struct with separate size Sven Peter
2025-08-21 15:39 ` [PATCH RFC 13/22] usb: typec: tipd: Read USB4, Thunderbolt and DisplayPort status for cd321x Sven Peter
2025-08-21 16:46   ` Janne Grunau
2025-08-21 15:39 ` [PATCH RFC 14/22] usb: typec: tipd: Register DisplayPort and Thunderbolt altmodes " Sven Peter
2025-08-21 15:39 ` [PATCH RFC 15/22] usb: typec: tipd: Update partner identity when power status was updated Sven Peter
2025-08-21 15:39 ` [PATCH RFC 16/22] usb: typec: tipd: Use read_power_status function in probe Sven Peter
2025-08-21 15:39 ` [PATCH RFC 17/22] usb: typec: tipd: Read data status in probe and cache its value Sven Peter
2025-08-21 15:39 ` [PATCH RFC 18/22] usb: typec: mux: Introduce data_role to mux state Sven Peter
2025-08-21 15:39 ` [PATCH RFC 19/22] usb: typec: tipd: Handle mode transitions for CD321x Sven Peter
2025-08-21 15:39 ` [PATCH RFC 20/22] soc: apple: Add hardware tunable support Sven Peter
2025-08-21 15:39 ` [PATCH RFC 21/22] phy: apple: Add Apple Type-C PHY Sven Peter
2025-08-21 15:39 ` [PATCH RFC 22/22] arm64: dts: apple: t8103: Add Apple Type-C PHY and dwc3 nodes Sven Peter

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