From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 29960D116F3 for ; Thu, 27 Nov 2025 09:22:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:References:From: To:Cc:Subject:Message-Id:Date:Content-Type:Content-Transfer-Encoding: Mime-Version:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=LUO1z9qwbt9OCCzyz5bCMm+KUuBCR4sEqoSJH822mh0=; b=zJ3SYrsRy5Ezusxk9FpzoChyGN pFx+v8Czi0DGSa1OU0ngiYDE6XF0lQSNulwxsU/9ekR6x42s/Y29eNAob4fPfiyTJV1IQG0wX8feb XJ0xzAxw283ESz9yX18zwzn5QbUTL1NMkZi6xs3zE+4kxxAe4FG3AWDeEhhHMMH+/5Gvzue5W2Umk jA+kaJJX1dhnqKcwzolCoCF5jNCdVolaFe2HfHD9guq+tF18QqS9Ltxr2nVlA1u+nyy9bObXuBRRQ +HHwQt3I+om0LQXuAPbUXjU4uf9H9SkBL2ImjUJHmBCsonWqnnqGebg70Sn6zBNlcHxTIgP6q8zxH 0n/ZpM4w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vOYCv-0000000GHRf-10ub; Thu, 27 Nov 2025 09:22:33 +0000 Received: from smtpout-04.galae.net ([185.171.202.116]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vOYCs-0000000GHQU-0PBu for linux-arm-kernel@lists.infradead.org; Thu, 27 Nov 2025 09:22:32 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id DD987C16A17; Thu, 27 Nov 2025 09:22:02 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id AE8DB6068C; Thu, 27 Nov 2025 09:22:25 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 20965102F260E; Thu, 27 Nov 2025 10:22:19 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1764235344; h=from:subject:date:message-id:to:cc:mime-version:content-type: content-transfer-encoding:in-reply-to:references; bh=LUO1z9qwbt9OCCzyz5bCMm+KUuBCR4sEqoSJH822mh0=; b=eqhjdvXZnUp9AmLT5/lJ7M6Z4Pq+LxgKF4WrneIblNx6/isXh+q272Pc5de5vlJP67QIod DFU8sAzqbvx7hYfQIAbxZVtXu5ur9wHEeKdpDjlOODOwNrqUFrd3NmrdHOyDFH08bQws28 0oLC85B8sKuwjnU33G0LkCCYE42UpG3pbGxxAUin2woUQAZxEkAGHk0HQgTVF5nClGO32d 16vRV1tKmrJLnQ1GKHdAQLyB0ZtTKbK6YgHVIn3JqX/QN3dtxuQjA8uddrokH/SyRy3IqM sauT/xOWlNe3hehmB09YO5g+IYyiYJ4hsc4uYwaNdNjVN4EZhQAykkYYebXKnA== Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Thu, 27 Nov 2025 10:22:18 +0100 Message-Id: Subject: Re: [PATCH 1/2] phy: rockchip: inno-usb2: fix disconnection in gadget mode Cc: "Kever Yang" , "Minas Harutyunyan" , "Alan Stern" , "Louis Chauvet" , =?utf-8?q?Herv=C3=A9_Codina?= , "Thomas Petazzoni" , , , , , To: =?utf-8?q?Th=C3=A9o_Lebrun?= , "Vinod Koul" , "Kishon Vijay Abraham I" , "Heiko Stuebner" , "William Wu" From: "Luca Ceresoli" X-Mailer: aerc 0.20.1 References: <20250722-rk3308-fix-usb-gadget-phy-disconnect-v1-0-239872f05f17@bootlin.com> <20250722-rk3308-fix-usb-gadget-phy-disconnect-v1-1-239872f05f17@bootlin.com> In-Reply-To: X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251127_012230_332639_025ED41B X-CRM114-Status: GOOD ( 13.70 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Hi Th=C3=A9o, thanks for reviewing this series! On Tue Nov 25, 2025 at 4:28 PM CET, Th=C3=A9o Lebrun wrote: [...] >> The problem was observed on a Radxa Rock Pi S board, which can only be >> powered by the only USB-C connector. That connector is the only one usab= le > > "which can only be powered by the only USB-C connector" > double "only" makes it a super exclusive connector! Hehe, indeed! :-) >> The code already checks for !rport->suspended, so add a guard for VBUS a= s >> well to avoid a disconnection when a cable is connected. > > Your commit message was clear but I was missing one key point: what > rport->suspended means. It isn't what I first thought. Instead it means > phy is powered off. Naming is bad but unrelated to your series. Maybe > add a comment to your commit message like the following? > > The code already checks for !rport->suspended (PHY is powered on), ... You are right. I have added a slightly longer text: The code already checks for !rport->suspended (which, somewhat counter-intuitively, means the PHY is powered on), ... Still worth your Reviewed-by? I fixed the other issues you have reported, for patch 2 as well. I also added the Cc: stable@vger.kernel.org line, which I noticed being missing. Luca -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 510C7D11183 for ; Thu, 27 Nov 2025 09:22:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:References:From:To:Cc: Subject:Message-Id:Date:Mime-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=X1qakkEd9SlRL2PV4673xS7d7ipu0JbTJGcRes0KxJQ=; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org SGkgVGjDqW8sCgp0aGFua3MgZm9yIHJldmlld2luZyB0aGlzIHNlcmllcyEKCk9uIFR1ZSBOb3Yg MjUsIDIwMjUgYXQgNDoyOCBQTSBDRVQsIFRow6lvIExlYnJ1biB3cm90ZToKWy4uLl0KPj4gVGhl IHByb2JsZW0gd2FzIG9ic2VydmVkIG9uIGEgUmFkeGEgUm9jayBQaSBTIGJvYXJkLCB3aGljaCBj YW4gb25seSBiZQo+PiBwb3dlcmVkIGJ5IHRoZSBvbmx5IFVTQi1DIGNvbm5lY3Rvci4gVGhhdCBj b25uZWN0b3IgaXMgdGhlIG9ubHkgb25lIHVzYWJsZQo+Cj4gIndoaWNoIGNhbiBvbmx5IGJlIHBv d2VyZWQgYnkgdGhlIG9ubHkgVVNCLUMgY29ubmVjdG9yIgo+IGRvdWJsZSAib25seSIgbWFrZXMg aXQgYSBzdXBlciBleGNsdXNpdmUgY29ubmVjdG9yIQoKSGVoZSwgaW5kZWVkISA6LSkKCj4+IFRo ZSBjb2RlIGFscmVhZHkgY2hlY2tzIGZvciAhcnBvcnQtPnN1c3BlbmRlZCwgc28gYWRkIGEgZ3Vh cmQgZm9yIFZCVVMgYXMKPj4gd2VsbCB0byBhdm9pZCBhIGRpc2Nvbm5lY3Rpb24gd2hlbiBhIGNh YmxlIGlzIGNvbm5lY3RlZC4KPgo+IFlvdXIgY29tbWl0IG1lc3NhZ2Ugd2FzIGNsZWFyIGJ1dCBJ IHdhcyBtaXNzaW5nIG9uZSBrZXkgcG9pbnQ6IHdoYXQKPiBycG9ydC0+c3VzcGVuZGVkIG1lYW5z LiBJdCBpc24ndCB3aGF0IEkgZmlyc3QgdGhvdWdodC4gSW5zdGVhZCBpdCBtZWFucwo+IHBoeSBp cyBwb3dlcmVkIG9mZi4gTmFtaW5nIGlzIGJhZCBidXQgdW5yZWxhdGVkIHRvIHlvdXIgc2VyaWVz LiBNYXliZQo+IGFkZCBhIGNvbW1lbnQgdG8geW91ciBjb21taXQgbWVzc2FnZSBsaWtlIHRoZSBm b2xsb3dpbmc/Cj4KPiAgIFRoZSBjb2RlIGFscmVhZHkgY2hlY2tzIGZvciAhcnBvcnQtPnN1c3Bl bmRlZCAoUEhZIGlzIHBvd2VyZWQgb24pLCAuLi4KCllvdSBhcmUgcmlnaHQuIEkgaGF2ZSBhZGRl ZCBhIHNsaWdodGx5IGxvbmdlciB0ZXh0OgoKICBUaGUgY29kZSBhbHJlYWR5IGNoZWNrcyBmb3Ig IXJwb3J0LT5zdXNwZW5kZWQgKHdoaWNoLCBzb21ld2hhdAogIGNvdW50ZXItaW50dWl0aXZlbHks IG1lYW5zIHRoZSBQSFkgaXMgcG93ZXJlZCBvbiksIC4uLgoKU3RpbGwgd29ydGggeW91ciBSZXZp ZXdlZC1ieT8KCkkgZml4ZWQgdGhlIG90aGVyIGlzc3VlcyB5b3UgaGF2ZSByZXBvcnRlZCwgZm9y IHBhdGNoIDIgYXMgd2VsbC4KCkkgYWxzbyBhZGRlZCB0aGUgQ2M6IHN0YWJsZUB2Z2VyLmtlcm5l bC5vcmcgbGluZSwgd2hpY2ggSSBub3RpY2VkIGJlaW5nCm1pc3NpbmcuCgpMdWNhCgotLQpMdWNh IENlcmVzb2xpLCBCb290bGluCkVtYmVkZGVkIExpbnV4IGFuZCBLZXJuZWwgZW5naW5lZXJpbmcK aHR0cHM6Ly9ib290bGluLmNvbQoKLS0gCmxpbnV4LXBoeSBtYWlsaW5nIGxpc3QKbGludXgtcGh5 QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cHM6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4v bGlzdGluZm8vbGludXgtcGh5Cg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 065B6D116F5 for ; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org SGkgVGjDqW8sCgp0aGFua3MgZm9yIHJldmlld2luZyB0aGlzIHNlcmllcyEKCk9uIFR1ZSBOb3Yg MjUsIDIwMjUgYXQgNDoyOCBQTSBDRVQsIFRow6lvIExlYnJ1biB3cm90ZToKWy4uLl0KPj4gVGhl IHByb2JsZW0gd2FzIG9ic2VydmVkIG9uIGEgUmFkeGEgUm9jayBQaSBTIGJvYXJkLCB3aGljaCBj YW4gb25seSBiZQo+PiBwb3dlcmVkIGJ5IHRoZSBvbmx5IFVTQi1DIGNvbm5lY3Rvci4gVGhhdCBj b25uZWN0b3IgaXMgdGhlIG9ubHkgb25lIHVzYWJsZQo+Cj4gIndoaWNoIGNhbiBvbmx5IGJlIHBv d2VyZWQgYnkgdGhlIG9ubHkgVVNCLUMgY29ubmVjdG9yIgo+IGRvdWJsZSAib25seSIgbWFrZXMg aXQgYSBzdXBlciBleGNsdXNpdmUgY29ubmVjdG9yIQoKSGVoZSwgaW5kZWVkISA6LSkKCj4+IFRo ZSBjb2RlIGFscmVhZHkgY2hlY2tzIGZvciAhcnBvcnQtPnN1c3BlbmRlZCwgc28gYWRkIGEgZ3Vh cmQgZm9yIFZCVVMgYXMKPj4gd2VsbCB0byBhdm9pZCBhIGRpc2Nvbm5lY3Rpb24gd2hlbiBhIGNh YmxlIGlzIGNvbm5lY3RlZC4KPgo+IFlvdXIgY29tbWl0IG1lc3NhZ2Ugd2FzIGNsZWFyIGJ1dCBJ IHdhcyBtaXNzaW5nIG9uZSBrZXkgcG9pbnQ6IHdoYXQKPiBycG9ydC0+c3VzcGVuZGVkIG1lYW5z LiBJdCBpc24ndCB3aGF0IEkgZmlyc3QgdGhvdWdodC4gSW5zdGVhZCBpdCBtZWFucwo+IHBoeSBp cyBwb3dlcmVkIG9mZi4gTmFtaW5nIGlzIGJhZCBidXQgdW5yZWxhdGVkIHRvIHlvdXIgc2VyaWVz LiBNYXliZQo+IGFkZCBhIGNvbW1lbnQgdG8geW91ciBjb21taXQgbWVzc2FnZSBsaWtlIHRoZSBm b2xsb3dpbmc/Cj4KPiAgIFRoZSBjb2RlIGFscmVhZHkgY2hlY2tzIGZvciAhcnBvcnQtPnN1c3Bl bmRlZCAoUEhZIGlzIHBvd2VyZWQgb24pLCAuLi4KCllvdSBhcmUgcmlnaHQuIEkgaGF2ZSBhZGRl ZCBhIHNsaWdodGx5IGxvbmdlciB0ZXh0OgoKICBUaGUgY29kZSBhbHJlYWR5IGNoZWNrcyBmb3Ig IXJwb3J0LT5zdXNwZW5kZWQgKHdoaWNoLCBzb21ld2hhdAogIGNvdW50ZXItaW50dWl0aXZlbHks IG1lYW5zIHRoZSBQSFkgaXMgcG93ZXJlZCBvbiksIC4uLgoKU3RpbGwgd29ydGggeW91ciBSZXZp ZXdlZC1ieT8KCkkgZml4ZWQgdGhlIG90aGVyIGlzc3VlcyB5b3UgaGF2ZSByZXBvcnRlZCwgZm9y IHBhdGNoIDIgYXMgd2VsbC4KCkkgYWxzbyBhZGRlZCB0aGUgQ2M6IHN0YWJsZUB2Z2VyLmtlcm5l bC5vcmcgbGluZSwgd2hpY2ggSSBub3RpY2VkIGJlaW5nCm1pc3NpbmcuCgpMdWNhCgotLQpMdWNh IENlcmVzb2xpLCBCb290bGluCkVtYmVkZGVkIExpbnV4IGFuZCBLZXJuZWwgZW5naW5lZXJpbmcK aHR0cHM6Ly9ib290bGluLmNvbQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KTGludXgtcm9ja2NoaXAgbWFpbGluZyBsaXN0CkxpbnV4LXJvY2tjaGlwQGxp c3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0 aW5mby9saW51eC1yb2NrY2hpcAo=