From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=185.11.138.130 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793745435; b=wm/iw4nclRMzc6guWva465gMRx4JxmrsYx/TJiF/qdASRceIVI+7dUyged0uYgdld5CY xLwp4415jF3wgEqbVNXt8OqVGbJq0vkHFKmGjf4eE4dbK83HNQ2jtNaT3CunMmBbDS2O8 BWMGDPWNJgRpvhT9hXa35vYCZVcHBgAezI3E7PV6RNCMmzD0d6EjL8f7lzoCYVpec1ypb vM2c8XUE/79qx/WG1mM+3GXYjpNt+MLmQWnLIGAxF01aKgsgBOLraebicZKTWTAO83ydL 10eUy5KZUopJYAQtv+rPJODDR7gtG3pBmjLRjhn4ZcPoORzC7zOVDmiT2w0wbOeI5Gw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793745435; h=DMARC-Filter:DKIM-Signature:From:To:Cc:Subject:Date:Message-ID: In-Reply-To:References:MIME-Version:Content-Transfer-Encoding: Content-Type; bh=xsK4w3jLbP3XPnppugEgOy/hVuJlXHxWXgSfS8UpOYQ=; b=PT6DUW0elOX67HXFUylRKqcVzYziRhmmBzprUFollItDxSe9RsWfvqcTBrryU3EAkerE kmkp8cD+c4OUrXdSySDIr9jxE1HBn3rInb/kPYScMch+FVoJEjOn2FuyxFL8gGIszLii/ a52mf71bN5gzwdmBrM/YQJka/lYieGKDEcy6AI270PZ/bkhDqqEYr1sYuGwIJUXjZnsOM cP9filhxZt18T17B3VFRMvVs4RZ7wzE4qVNWUj4pdpLAG3RmyN+GzM6zsh1lNX4I3QU+S 8ZrievI+Lbn7+C5fZn8tLfU9GUnRAdz+qyFJUcKWNR+UZ0pEb2CETDCTj89+dnM4FZA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=sntech.de; spf=pass smtp.mailfrom=sntech.de; dkim=pass header.d=sntech.de header.i=@sntech.de header.a=rsa-sha256 header.s=gloria202408 header.b=1cUgVVtf; arc=none smtp.remote-ip=185.11.138.130 Received: from gloria.sntech.de (gloria.sntech.de [185.11.138.130]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (prime256v1) server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id BD946606A31B; Tue, 3 Nov 2026 22:37:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org BD946606A31B Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=sntech.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sntech.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=sntech.de header.i=@sntech.de header.a=rsa-sha256 header.s=gloria202408 header.b=1cUgVVtf DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=xsK4w3jLbP3XPnppugEgOy/hVuJlXHxWXgSfS8UpOYQ=; b=1cUgVVtfjLR8OTj9loqDdJcnxM 4NUPW4VgzqHCdc5C+ue3DYNVoZBzBLZWHJuAHQHcQtvNh5vcTI9Z2pCCMdpjIx66hpAiQWW+iRDzL F1eD+vZJZSsRqCURVFCc5rPOgrRzhNlrvyxjJB0tsMUeUGiehjeiHHk+DJ8oXrVp/ol+VF44yvkEB x1xDE2rQn/Sb6eOQdMpgVKWuDhTqz1I6qrSz9RqpJDgXl3XDc6eIfqndVxF88WgTQRolhu6e7HvVH 2OKj3NgFNzHpVG1L+1DUVVpELXsirdhAdiZdsjStcx1DHsbBO2FVWcU+FvQagEV3Fl4JAR76iDGWn uFEGY8mA==; From: Heiko =?UTF-8?B?U3TDvGJuZXI=?= To: tomeu@tomeuvizoso.net, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, joro@8bytes.org, will@kernel.org, robin.murphy@arm.com, ulfh@kernel.org, p.zabel@pengutronix.de, ogabbay@kernel.org, zhangqing@rock-chips.com, Jiaxing Hu Cc: royalnet026@gmail.com, abel.vesa@oss.qualcomm.com, sebastian.reichel@collabora.com, sidong.yang@furiosa.ai, u.kleine-koenig@baylibre.com, chaoyi.chen@rock-chips.com, diederik@cknow-tech.com, alchark@flipper.net, leonard@lausen.nl, jeff.hugo@oss.qualcomm.com, rfoss@kernel.org, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, iommu@lists.linux.dev, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Jiaxing Hu Subject: Re: [PATCH v15 10/15] pmdomain: rockchip: cycle an optional power-domain reset on power-on Date: Tue, 03 Nov 2026 23:36:51 +0100 Message-ID: <2685454.vzjCzTo3RI@diego> In-Reply-To: <20261101082307.151957-11-gahing@gahingwoo.com> References: <20261101082307.151957-1-gahing@gahingwoo.com> <20261101082307.151957-11-gahing@gahingwoo.com> X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Am Sonntag, 1. November 2026, 09:23:02 Mitteleurop=C3=A4ische Normalzeit sc= hrieb Jiaxing Hu: > Some Rockchip domains come out of power-on with their bus interface in an > undefined state. On the RK3576 NPU this shows up as a hang on the first > register access after the domain is switched on, and pulsing the domain's > reset at this point clears it. >=20 > Take the domain node's reset if it has one, and pulse it between > releasing idle and restoring QoS. The reset is optional, so domains that > do not list one are unaffected. >=20 > Signed-off-by: Jiaxing Hu > Reviewed-by: Abel Vesa Reviewed-by: Heiko Stuebner