From: sashiko-bot@kernel.org
To: "Arun Iyengar" <aiyengar1990@gmail.com>
Cc: linux-usb@vger.kernel.org
Subject: Re: [PATCH 3/3] arm64: dts: rockchip: Mark the Orange Pi 5/5B Type-C port self-powered
Date: Tue, 10 Nov 2026 10:47:57 +0000 [thread overview]
Message-ID: <sashiko-outbox-206888@kernel.org> (raw)
In-Reply-To: <20261110-tcpm-attach-reboot-v1-3-7657cc1e2dca@gmail.com>
> From: Arun Iyengar <aiyengar1990@gmail.com>
>
> The board is powered from its separate power-only USB-C input. The
> FUSB302 port's VBUS comes from vcc5v0_sys through a load switch, so the
> board never runs from this port's VBUS.
>
> Without self-powered, tcpm keeps Rp on CC during PORT_RESET (error
> recovery), because opening CC on a port-powered device would remove its
> own supply. With self-powered, the port opens CC for tErrorRecovery
> whenever it resets, including at boot. A partner left in a stale state
> by a warm reboot then sees a real detach.
>
> Signed-off-by: Arun Iyengar <aiyengar1990@gmail.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261110-tcpm-attach-reboot-v1-0-7657cc1e2dca@gmail.com?part=3
prev parent reply other threads:[~2026-11-10 10:47 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-10 10:39 [PATCH 0/3] usb: typec: Find a Type-C partner after a warm reboot on the Orange Pi 5 Arun Iyengar
2026-11-10 10:39 ` Arun Iyengar via B4 Relay
2026-11-10 10:39 ` Arun Iyengar via B4 Relay
2026-11-10 10:39 ` [PATCH 1/3] usb: typec: tcpm: Don't cut a pending state delay short on a re-queue Arun Iyengar
2026-11-10 10:39 ` Arun Iyengar via B4 Relay
2026-11-10 10:39 ` Arun Iyengar via B4 Relay
2026-11-10 10:52 ` sashiko-bot
2026-11-10 10:39 ` [PATCH 2/3] usb: typec: fusb302: Toggle with the default Rp current Arun Iyengar
2026-11-10 10:39 ` Arun Iyengar via B4 Relay
2026-11-10 10:39 ` Arun Iyengar via B4 Relay
2026-11-10 10:56 ` sashiko-bot
2026-11-10 10:39 ` [PATCH 3/3] arm64: dts: rockchip: Mark the Orange Pi 5/5B Type-C port self-powered Arun Iyengar
2026-11-10 10:39 ` Arun Iyengar via B4 Relay
2026-11-10 10:39 ` Arun Iyengar via B4 Relay
2026-11-10 10:47 ` sashiko-bot [this message]
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