From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7F32481AA8; Wed, 28 Jan 2026 16:01:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769616076; cv=none; b=AKwyPTu9gHECCt/P60/VaOHPi8dbQTh9RNyV3xtxec61AUocs0+BK80FeKelLrggzrTPMsbeSn5kAQnMynH270kGXz0Rho5TaJsZZsl1TLPm+MdJ7+wDS/ECtjiXwvTSD0oTE3xJ5op3awyDeQssF85s0Sld/cpvqOPqwTt0OZE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769616076; c=relaxed/simple; bh=ZiTjOFfFqJhRI4gY/vgo1KBPiSf6DHH2TQbH52f87Yk=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=UpwUwueWSvu3wMTHc5Nq9AxhaCv497yiUxNsaLd0bogLupe22sQZIHTA9PaPyS1GwntVM9sbL/zKfjqB36GRJORscU2pHOC+EGTMuIYi3NFt9csf1A/F+z6SWKtvkmhAerpFcQxYawe5QVzJWfd/4udtXhUGJHagM5x7vk82+CQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=UgbPgXSL; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="UgbPgXSL" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 006EFC4CEF1; Wed, 28 Jan 2026 16:01:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1769616076; bh=ZiTjOFfFqJhRI4gY/vgo1KBPiSf6DHH2TQbH52f87Yk=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=UgbPgXSLu1eKI1sbrXbZCrZ62+zzUKBB40H129H/s3/o/rZzgDrwAeVLH9loZOwpm 2/fkqjMXm4Gh9gxx/VuEkZyTn8CE2dkEyib05D2Syd4NBqY9MKbqNscOdVrFOHPCrQ euYGhmF4yL32YC4TsGDJghfPHhVl60pPfcixJ9fw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Frank Zhang , Chaoyi Chen , Quentin Schulz , Sebastian Reichel , Ulf Hansson Subject: [PATCH 6.18 198/227] pmdomain:rockchip: Fix init genpd as GENPD_STATE_ON before regulator ready Date: Wed, 28 Jan 2026 16:24:03 +0100 Message-ID: <20260128145351.568190226@linuxfoundation.org> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260128145344.331957407@linuxfoundation.org> References: <20260128145344.331957407@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Frank Zhang commit 861d21c43c98478eef70e68e31d4ff86400c6ef7 upstream. RK3588_PD_NPU initialize as GENPD_STATE_ON before regulator ready. rknn_iommu initlized success and suspend RK3588_PD_NPU. When rocket driver register, it will resume rknn_iommu. If regulator is still not ready at this point, rknn_iommu resume fail, pm runtime status will be error: -EPROBE_DEFER. This patch set pmdomain to off if it need regulator during probe, consumer device can power on pmdomain after regulator ready. Signed-off-by: Frank Zhang Tested-by: Chaoyi Chen Tested-by: Quentin Schulz Reviewed-by: Sebastian Reichel Fixes: db6df2e3fc16 ("pmdomain: rockchip: add regulator support") Cc: stable@vger.kernel.org Signed-off-by: Ulf Hansson Signed-off-by: Greg Kroah-Hartman --- drivers/pmdomain/rockchip/pm-domains.c | 10 ++++++++++ 1 file changed, 10 insertions(+) --- a/drivers/pmdomain/rockchip/pm-domains.c +++ b/drivers/pmdomain/rockchip/pm-domains.c @@ -861,6 +861,16 @@ static int rockchip_pm_add_one_domain(st pd->genpd.name = pd->info->name; else pd->genpd.name = kbasename(node->full_name); + + /* + * power domain's needing a regulator should default to off, since + * the regulator state is unknown at probe time. Also the regulator + * state cannot be checked, since that usually requires IP needing + * (a different) power domain. + */ + if (pd->info->need_regulator) + rockchip_pd_power(pd, false); + pd->genpd.power_off = rockchip_pd_power_off; pd->genpd.power_on = rockchip_pd_power_on; pd->genpd.attach_dev = rockchip_pd_attach_dev;