From: Kevin Hilman <khilman@kernel.org>
To: "Théo Lebrun" <theo.lebrun@bootlin.com>,
"Roger Quadros" <rogerq@kernel.org>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Peter Chen" <peter.chen@kernel.org>,
"Pawel Laszczak" <pawell@cadence.com>,
"Mathias Nyman" <mathias.nyman@intel.com>,
"Nishanth Menon" <nm@ti.com>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
"Tero Kristo" <kristo@kernel.org>
Cc: linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
"Grégory Clement" <gregory.clement@bootlin.com>,
"Thomas Petazzoni" <thomas.petazzoni@bootlin.com>,
"Conor Dooley" <conor.dooley@microchip.com>
Subject: Re: [PATCH v5 00/12] Fix USB suspend on TI J7200 (cdns3-ti, cdns3, xhci)
Date: Tue, 06 Aug 2024 16:12:09 -0700 [thread overview]
Message-ID: <7h7cctw8ja.fsf@baylibre.com> (raw)
In-Reply-To: <D37UREKS0WIL.194M8MD5LEN2T@bootlin.com>
Théo Lebrun <theo.lebrun@bootlin.com> writes:
[...]
> Some TI platforms cannot tell, before going to suspend, if their USB
> controller will reset. Suspend behavior is defined by (at least) two
> features:
>
> - Power domains. See arch/arm64/boot/dts/ti/k3-j7200-main.dtsi:
>
> usbss0: cdns-usb@4104000 {
> compatible = "ti,j7200-usb", "ti,j721e-usb";
> // ...
> power-domains = <&k3_pds 288 TI_SCI_PD_EXCLUSIVE>;
> // ...
> };
>
> This `power-domains` property implies that even s2idle will reset
> the controller.
minor but important clarification: not *will* reset, but *might* reset the controller.
Kevin
next prev parent reply other threads:[~2024-08-06 23:12 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-07-26 18:17 [PATCH v5 00/12] Fix USB suspend on TI J7200 (cdns3-ti, cdns3, xhci) Théo Lebrun
2024-07-26 18:17 ` [PATCH v5 01/12] dt-bindings: usb: ti,j721e-usb: fix compatible list Théo Lebrun
2024-08-05 13:31 ` Roger Quadros
2024-07-26 18:17 ` [PATCH v5 02/12] dt-bindings: usb: ti,j721e-usb: add ti,j7200-usb compatible Théo Lebrun
2024-07-26 19:26 ` Rob Herring (Arm)
2024-09-10 10:03 ` Théo Lebrun
2024-07-26 18:17 ` [PATCH v5 03/12] usb: cdns3-ti: move reg writes to separate function Théo Lebrun
2024-07-26 18:17 ` [PATCH v5 04/12] usb: cdns3-ti: run HW init at resume() if HW was reset Théo Lebrun
2024-07-26 18:17 ` [PATCH v5 05/12] usb: cdns3: add quirk to platform data for reset-on-resume Théo Lebrun
2024-08-05 13:49 ` Roger Quadros
2024-07-26 18:17 ` [PATCH v5 06/12] usb: cdns3-ti: grab auxdata from match data Théo Lebrun
2024-08-05 13:51 ` Roger Quadros
2024-07-26 18:17 ` [PATCH v5 07/12] usb: cdns3-ti: add J7200 support with reset-on-resume behavior Théo Lebrun
2024-08-05 13:54 ` Roger Quadros
2024-09-10 13:57 ` Théo Lebrun
2024-07-26 18:17 ` [PATCH v5 08/12] usb: cdns3: rename hibernated argument of role->resume() to lost_power Théo Lebrun
2024-07-26 18:17 ` [PATCH v5 09/12] xhci: introduce xhci->lost_power flag Théo Lebrun
2024-08-05 13:41 ` Roger Quadros
2024-09-10 13:50 ` Théo Lebrun
2024-11-20 14:49 ` Roger Quadros
2024-07-26 18:17 ` [PATCH v5 10/12] usb: cdns3: host: transmit lost_power signal from wrapper to XHCI Théo Lebrun
2024-07-26 18:17 ` [PATCH v5 11/12] arm64: dts: ti: k3-j7200: use J7200-specific USB compatible Théo Lebrun
2024-08-05 14:01 ` Roger Quadros
2024-07-26 18:18 ` [PATCH v5 12/12] arm64: dts: ti: k3-am64: add USB fallback compatible to J721E Théo Lebrun
2024-08-05 14:03 ` Roger Quadros
2024-08-03 15:14 ` [PATCH v5 00/12] Fix USB suspend on TI J7200 (cdns3-ti, cdns3, xhci) Roger Quadros
2024-08-05 8:58 ` Théo Lebrun
2024-08-05 14:01 ` Roger Quadros
2024-08-06 23:12 ` Kevin Hilman [this message]
2024-08-09 1:19 ` Peter Chen
2024-09-10 14:04 ` Théo Lebrun
2024-09-01 20:20 ` (subset) " Nishanth Menon
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