From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Mon, 27 Oct 2025 07:53:54 +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 1vDH74-00CFdl-2z for lore@lore.pengutronix.de; Mon, 27 Oct 2025 07:53:54 +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 1vDH74-0001ud-D4 for lore@pengutronix.de; Mon, 27 Oct 2025 07:53:54 +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=ZnD0yGfEGdFBhFMf55AEUnUh6E0uPySzMwOY3yzJmJ4=; b=JbbGp21pXrcAUP6s5+0LBVRN95 tG2fD+17gVQzA4W5CoDg2bsCwBf8QlU/inzn85ugMsPXSCXaK3wzNPyDzmTL8DZrgp632FIyYhGIT A6YaQiRiyWmEtU27CcEdKkesXsDrgnMbP8K6PG/6odyw2FNtS9T09jklH5HoNA6ySYsyODLmnFg80 JmzV+mPIPJZnm7G3D9sDXPonybTgP+mUd/ruz78U7fGqtzmt09BFG48fYhrUxH8q41ELAOJlxcjsj HFIMapsWlOeShugukTTv5JBSf137S5e8nxZQLTtNEKbR82RibkbZAhflPDfyU0+rLrSanix7htmEK QwceS8ew==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vDH6d-0000000DE4M-4Akq; Mon, 27 Oct 2025 06:53:27 +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 1vDH6Y-0000000DE1p-3wIC for barebox@lists.infradead.org; Mon, 27 Oct 2025 06:53:25 +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 1vDH6X-0001gg-Co; Mon, 27 Oct 2025 07:53:21 +0100 From: Ahmad Fatoum To: barebox@lists.infradead.org Cc: Ahmad Fatoum Date: Mon, 27 Oct 2025 07:53:06 +0100 Message-ID: <20251027065315.2419160-3-a.fatoum@barebox.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20251027065315.2419160-1-a.fatoum@barebox.org> References: <20251027065315.2419160-1-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-20251026_235323_001504_53FC675C X-CRM114-Status: GOOD ( 10.88 ) 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=-4.1 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 3/5] 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, even if just a dummy. Otherwise a warning will be printed. Signed-off-by: Ahmad Fatoum --- drivers/base/power.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/base/power.c b/drivers/base/power.c index 0cdece210d94..c291f8657cbb 100644 --- a/drivers/base/power.c +++ b/drivers/base/power.c @@ -385,8 +385,18 @@ 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 have power domain drivers, even if + * they don't do anything. + */ + if (deep_probe_is_supported()) { + dev_warn(dev, "power domain not found (ignoring)\n"); + return 0; + } + if (!have_genpd_providers) + return 0; + } /* * Assume that missing genpds are unresolved -- 2.47.3