From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 01 Dec 2025 09:48:20 +0100 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.96) (envelope-from ) id 1vPza0-006kxe-1x for lore@lore.pengutronix.de; Mon, 01 Dec 2025 09:48:20 +0100 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.whiteo.stw.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1vPza0-0002wR-2f for lore@pengutronix.de; Mon, 01 Dec 2025 09:48:20 +0100 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=NiYc8ucsAiRzCvH9HXuGIyRcRMbqyBxZID6q0tyHGPM=; b=wML2/jdYAjsIYzxPxc0hXffkXI +ganj7WpqL05okX1KwSyhaDm2ZpJT3fnzu+TcvpweHEyM++z8XHZwX1qrqJXfm2led/rfuItFhFCC 8rHsdwV68eB2k4RT3HYyIhVI0zloNbTOW16raw3a3CDsMNYPRpik44IGx0HY5adaMr3p4VS0M1LqB iShtBlglcHuJK/6IB/+bDUxQrCBasM+nnBrLdvs9LXyf5Wu5A/qg/m+qMvM1M49C5Lrtsp+VzZ8F7 E4J80kFyaugGR7o1xrqz1LZ+WTk95gHBxJ/zcpP6e/Gcwld+5Eglp9onmVoaY8JISeWPn1LoY40Ci K54PhMDA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vPzZV-000000039EG-2JQ2; Mon, 01 Dec 2025 08:47:49 +0000 Received: from metis.whiteo.stw.pengutronix.de ([2a0a:edc0:2:b01:1d::104]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vPzZQ-000000039BV-27bo for barebox@lists.infradead.org; Mon, 01 Dec 2025 08:47:46 +0000 Received: from ptz.office.stw.pengutronix.de ([2a0a:edc0:0:900:1d::77] helo=geraet.lan) by metis.whiteo.stw.pengutronix.de with esmtp (Exim 4.92) (envelope-from ) id 1vPzZN-0002eN-Kv; Mon, 01 Dec 2025 09:47:41 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 1 Dec 2025 09:45:55 +0100 Message-ID: <20251201084737.1270303-5-a.fatoum@barebox.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251201084737.1270303-1-a.fatoum@barebox.org> References: <20251201084737.1270303-1-a.fatoum@barebox.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251201_004744_540484_C1DA2D08 X-CRM114-Status: GOOD ( 12.76 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.whiteo.stw.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-3.9 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.2 Subject: [PATCH v3 5/6] pmdomain: warn if deep probe enabled and driver missing X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.whiteo.stw.pengutronix.de) We shall require any deep probe platforms to have a power domain driver or make use of barebox,allow-dummy in the device tree. Otherwise a warning will be printed. Signed-off-by: Ahmad Fatoum --- v2 -> v3: - suggest barebox,allow-dummy instead of dummy drivers - print debug message in !have_genpd_providers case --- drivers/base/power.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/drivers/base/power.c b/drivers/base/power.c index 6da40a32801c..668b835df3e6 100644 --- a/drivers/base/power.c +++ b/drivers/base/power.c @@ -393,8 +393,21 @@ static int __genpd_dev_pm_attach(struct device *dev, if (ret == -ENOENT) ret = -EPROBE_DEFER; - if (!have_genpd_providers && ret == -EPROBE_DEFER) - return 0; + if (ret == -EPROBE_DEFER) { + /* + * New platforms should either have power domain drivers + * or they should use barebox,allow-dummy, so above + * genpd_get_from_provider() returns NULL. + */ + if (deep_probe_is_supported()) { + dev_warn(dev, "power domain not found (ignoring)\n"); + return 0; + } + if (!have_genpd_providers) { + dev_dbg(dev, "power domain not found (ignoring)\n"); + return 0; + } + } /* * Assume that missing genpds are unresolved -- 2.47.3