From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 3FC54340D9D; Sat, 12 Sep 2026 14:28:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789223337; cv=none; b=ExNjby80ZfBlIWxFVwy/TzEVL0yLkKV7qihG+TkJqWMPVwMT7cbVOMGKKu7BWUMih2jjw5i5GU/kIl/tThjWVF/Krp476hi8Q4rPEup9AdzetTaOm3ea6d1+8DFVLmFiWbiq51/qPob7IdZFyH7zaUsTuSR9JF4L+GrhwP0nv5c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789223337; c=relaxed/simple; bh=FNknQCm94ME9B+3l3TeVSNWzvnBXBhpcPQokM00aZwM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZJqJCV87V3p+Mz333gW3W2dQ6dOFWs7lM/x+AquSnCV5LQ7Z6KXkUZFgHQO33dOFLJUWCB2ZBmSJD2SP1OSiAI5zKfHi/FwPy6r1Idge/ca43IjCUeko2dWWrktDWH0qCtpKOAlTozis81D2eUmgFhSEAh9McpRmRbcjbC2l4AQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=qyK07QG6; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="qyK07QG6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 395171F000FF; Sat, 12 Sep 2026 14:28:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789223336; bh=l7ZA/T8NBwLgOBpyhUzQEwYejL0zHSacfbei1qzo6k4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=qyK07QG6k4qCLT3X7SgD6UyCUvCOEZJvZ2Vwi3UC3zr+zkt65OtgUMfWQh7vxUoQ1 FDMnTXjQ9YhhAn1QXTAp4qdrGyjRnPSRUvxGkUuMcYPXorvPnDYuQSGDXRxTfbD8FS CJhj3YOdDdenkiI2G5iKwPCPGUXqwMYnoE/ShUHE= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Pengpeng Hou , Stefan Wahren , Ulf Hansson , Sasha Levin Subject: [PATCH 6.6 0726/1424] pmdomain: bcm: bcm2835: handle genpd provider registration errors Date: Sat, 12 Sep 2026 08:52:38 +0200 Message-ID: <20260912065623.548881163@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065607.279695368@linuxfoundation.org> References: <20260912065607.279695368@linuxfoundation.org> User-Agent: quilt/0.69 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Pengpeng Hou [ Upstream commit a1d9d3b958d69a13783613304f524f489fecdd1f ] bcm2835_power_probe() initializes all power domains and then registers the onecell genpd provider, but ignores of_genpd_add_provider_onecell() failures. Probe can therefore return success even though no provider was published. Check the provider registration return value and jump to the existing cleanup path on failure. Fixes: 670c672608a1 ("soc: bcm: bcm2835-pm: Add support for power domains under a new binding.") Signed-off-by: Pengpeng Hou Reviewed-by: Stefan Wahren Signed-off-by: Ulf Hansson Signed-off-by: Sasha Levin --- drivers/pmdomain/bcm/bcm2835-power.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/pmdomain/bcm/bcm2835-power.c b/drivers/pmdomain/bcm/bcm2835-power.c index 20130549a7a53..85406b4a99b06 100644 --- a/drivers/pmdomain/bcm/bcm2835-power.c +++ b/drivers/pmdomain/bcm/bcm2835-power.c @@ -682,7 +682,12 @@ static int bcm2835_power_probe(struct platform_device *pdev) if (ret) goto fail; - of_genpd_add_provider_onecell(dev->parent->of_node, &power->pd_xlate); + ret = of_genpd_add_provider_onecell(dev->parent->of_node, + &power->pd_xlate); + if (ret) { + dev_err_probe(dev, ret, "failed to add genpd provider\n"); + goto fail; + } dev_info(dev, "Broadcom BCM2835 power domains driver"); return 0; -- 2.53.0