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 13668331A6E; Sat, 12 Sep 2026 18:44:04 +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=1789238645; cv=none; b=ETRMluOSWNS+aNcLBOpqT2XWYNDH5KFUnG8Kva3LYSGiwcuxDHKMkmtaimUVEJH2hQJS4oKJddlvIgCycAhM/SZToiAtCbNtOXjTFPpRdGQMH1iEA+bVB1+akDoPHc81QP6TvDijKBO4vC9k3OPqce8zFcBuSVWgjQOtSQdgoVY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789238645; c=relaxed/simple; bh=HIcRXZ30X05ELow8RpkURYQh6tQrezRIZcRij+O+nzQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uOlXDt7QjA5c0EmqacEjeRlBmCkKKEBBH62bfapyYVgklV6tbWhv3s2cE7xJb7x41yIdBQtRXhyl/e2SGf5cqtCRv7r+kV14gqw53jGTrr7ooEp5zkucijdxZehC8HwwWKEH1/c0PbTTTQGeYtvP7Ap+ELFQMLAE9jayu2kzwoI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=f4wPZukN; 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="f4wPZukN" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C0F2F1F000FF; Sat, 12 Sep 2026 18:44:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=korg; t=1789238644; bh=31mn6hNjE5eskFJVsjeofZ3z98Xp3Ke/J4qCXXBehKI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=f4wPZukNCB4IE3+V9G9Bf3LHjUjAh1jaCR2YwZNgvdbpXRhF4y58wK7wZ+xhSNlYE sJbekheeBCqe7YLgJrE04GUzFrBWiYrrtL55qQKHn5R7TYyQ2NCz0KmUQqjUklciny aDCqk/OaVcDffo16hDUrYk0FHnkcAABKR+AF+hIg= 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 5.15 505/935] pmdomain: bcm: bcm2835: handle genpd provider registration errors Date: Sat, 12 Sep 2026 08:58:55 +0200 Message-ID: <20260912065538.399600567@linuxfoundation.org> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260912065526.833703348@linuxfoundation.org> References: <20260912065526.833703348@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 5.15-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/soc/bcm/bcm2835-power.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/soc/bcm/bcm2835-power.c b/drivers/soc/bcm/bcm2835-power.c index 6a82c66c6674a..4727dfeab7079 100644 --- a/drivers/soc/bcm/bcm2835-power.c +++ b/drivers/soc/bcm/bcm2835-power.c @@ -657,7 +657,12 @@ 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