From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.gentoo.org (woodpecker.gentoo.org [140.211.166.183]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 86C423B19F for ; Thu, 12 Feb 2026 14:43:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=140.211.166.183 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770907417; cv=none; b=ee26S3NTR51EfH/4J2QTrzqsf/dWfTvnQSeNVT3/oz7nEb04jgUuZaFq7p1U0HamOTsVPYgxIRsRsRe2k0LCqwqNO1IKVIxWFESU9n7MyCn3Wu0KRf63jvFLlxj1RwcJstpNQDULQ6m/fqE1BHrXZmrC/tUR3XDXfveZskC7cKc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770907417; c=relaxed/simple; bh=w73KRp9PrnpihVzS+UqGXLGhxOqbn/WPIjqajzpJC9o=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=gUjj2Xg55oYWy36b2ZkvIVtSOqj8CSuYHsbkn9OaLPF6LnDg4FJOQC2VNNX19r8zVJXtNXBxQz2judylrfpJ5Lz7e6LXyg2NSoDFUKloPuRlyl87BaEcjBoZW9YlJOZg4WsE5S4k0CvTkQi2PaXOYxtdENZ1ITQb90sjoM5iNbk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org; spf=pass smtp.mailfrom=gentoo.org; arc=none smtp.client-ip=140.211.166.183 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gentoo.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gentoo.org Received: from localhost (unknown [116.232.48.232]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange x25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: dlan) by smtp.gentoo.org (Postfix) with ESMTPSA id 4DB58342445; Thu, 12 Feb 2026 14:43:34 +0000 (UTC) Date: Thu, 12 Feb 2026 22:43:25 +0800 From: Yixun Lan To: Yao Zi Cc: Yixun Lan , Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ze Huang , Junzhong Pan , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/3] phy: k1-usb: add disconnect function support Message-ID: <20260212144325-GYA164498@gentoo.org> References: <20260212-11-k3-usb2-phy-v1-0-43578592405d@kernel.org> <20260212-11-k3-usb2-phy-v1-2-43578592405d@kernel.org> Precedence: bulk X-Mailing-List: spacemit@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Hi Yao, On 11:24 Thu 12 Feb , Yao Zi wrote: > On Thu, Feb 12, 2026 at 09:38:55AM +0800, Yixun Lan wrote: > > A disconnect status BIT of USB2 PHY need to be cleared, otherwise > > it will fail to work properly during next connection when devices > > connect to roothub directly. > > This sounds like a bug. Does it affect K1 SoC as well? If so, I think > it deserves a Fixes tag and backporting. > yes, but I haven't checked if it will affect real case since the problem exist with devices connected to roothub directly only.. anyway, I think it deserves to add a Fixes tag, so will do in next version -- Yixun Lan (dlan)