From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.15]) (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 B3C143B895E for ; Wed, 1 Jul 2026 20:06:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782936385; cv=none; b=WXL5c9RLxMgeICDNYMx25vDFY2l7FaL6Tnz9RK7cuZ8DS4P9wluVFPSvaguD7EagKF2fN7o5/ufrhtSioJ9tiSfWYfixp2sECdzpXHZMq9NIZxNCkmn3d0DT94pkfugDcz7Eul7a9r5NmdIH2pv7xKnNGsltuMPAOa0EDJo9QkU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782936385; c=relaxed/simple; bh=ebGfPmyiAwYoSiWiq257o+B7NcSMheMY6PP0hEPRA2w=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kfmHK9A+xoXmmiye4YuyE99RVes3Xnu9P/IUKjirhqxRGoppMrmg4O6RaEtchi8awt03oxs1ugyHdU0DwUMRH5n5qOhlO3gaerN+W++LWEqlaIFMnaiNs6AaY8eiSbGtc6RXbyDosIwvpxhiLHk/+hda3u07hJ2ORMFlalNV/1w= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=MaCpqBd3; arc=none smtp.client-ip=192.198.163.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="MaCpqBd3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1782936385; x=1814472385; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ebGfPmyiAwYoSiWiq257o+B7NcSMheMY6PP0hEPRA2w=; b=MaCpqBd35pf0sfGX7MO+J4j7uyOWigV30k5xqQJnYV17uRBOURINTt76 DJMFuSGsbhn0Sc71WvkseLldD4yO8aerdG0rFs3jEnT2jeoHZw/NKOSU+ ySBXkB/umU8Ug9oWC9jIupywe58YHb1iaNxMQG7J+qTQdKSi6pUzNzzJb odivigtFvg2DjGp8FAlOWKyUwbTQILctTtMHBQKmqIjuZMgIOZT8Redlm wJZ2q8Nhjqa9I+jKt/XFl/WExgw26MYfSQ6nsxkEIK+1DgaQEXVOT93u3 yzpt1c3yc/QUa+HGuFBCGXwDr27vPYp+ojWaOAe9fvCeGDhv33+guwyke g==; X-CSE-ConnectionGUID: dYigjfUyRqu+/UNzfvt9Kw== X-CSE-MsgGUID: c7mV+K3bTMCLBveGs/x9SQ== X-IronPort-AV: E=McAfee;i="6800,10657,11834"; a="83812951" X-IronPort-AV: E=Sophos;i="6.25,142,1779174000"; d="scan'208";a="83812951" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by fmvoesa109.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2026 13:06:25 -0700 X-CSE-ConnectionGUID: bNtEWVH5Q8qLRwpnCiwwAw== X-CSE-MsgGUID: 8wYZe7k2Tg+Za1oAXLgSVg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,142,1779174000"; d="scan'208";a="252805053" Received: from conormcd-mobl2.ger.corp.intel.com (HELO ahunter6-desk) ([10.245.244.30]) by orviesa007-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Jul 2026 13:06:22 -0700 From: Adrian Hunter To: alexandre.belloni@bootlin.com Cc: Frank.Li@nxp.com, rafael@kernel.org, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org, linux-pci@lists.infradead.org, linux-pm@lists.infradead.org Subject: [PATCH RFC 7/7] i3c: mipi-i3c-hci: Advertise IBI wakeup capability Date: Wed, 1 Jul 2026 23:05:52 +0300 Message-ID: <20260701200552.220042-8-adrian.hunter@intel.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260701200552.220042-1-adrian.hunter@intel.com> References: <20260701200552.220042-1-adrian.hunter@intel.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Organization: Intel Finland Oy, Registered Address: c/o Alberga Business Park, 6 krs, Bertel Jungin Aukio 5, 02600 Espoo, Business Identity Code: 0357606 - 4, Domiciled in Helsinki Content-Transfer-Encoding: 8bit Set master->ibi_wakeup during probe when the associated system device advertises wakeup capability, allowing the I3C core to mark IBI-capable I3C devices as wakeup capable. Tweak the comment for i3c_hci_sysdev() to mention the new usage. Signed-off-by: Adrian Hunter --- drivers/i3c/master/mipi-i3c-hci/core.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/i3c/master/mipi-i3c-hci/core.c b/drivers/i3c/master/mipi-i3c-hci/core.c index 4e17b1480362..55724a986f90 100644 --- a/drivers/i3c/master/mipi-i3c-hci/core.c +++ b/drivers/i3c/master/mipi-i3c-hci/core.c @@ -120,9 +120,9 @@ static inline struct i3c_hci *to_i3c_hci(struct i3c_master_controller *m) /* * Determine the device that does PM / DMA and has IOMMU setup done for it in - * case of enabled IOMMU (for use with the DMA API). - * Such device is either "mipi-i3c-hci" platform device (OF/ACPI enumeration) - * parent or grandparent (PCI enumeration). + * case of enabled IOMMU (for use with the DMA API). It is also used to check + * for wakeup capability. Such device is either "mipi-i3c-hci" platform device + * (OF/ACPI enumeration) parent or grandparent (PCI enumeration). */ struct device *i3c_hci_sysdev(struct device *dev) { @@ -1175,6 +1175,9 @@ static int i3c_hci_probe(struct platform_device *pdev) if (hci->quirks & HCI_QUIRK_RPM_IBI_ALLOWED) hci->master.rpm_ibi_allowed = true; + if (device_can_wakeup(i3c_hci_sysdev(&pdev->dev))) + hci->master.ibi_wakeup = true; + return i3c_master_register(&hci->master, &pdev->dev, &i3c_hci_ops, false); } -- 2.53.0