From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (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 BDA70371CEF for ; Fri, 27 Mar 2026 05:27:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774589231; cv=none; b=fXUKpKmONPENC5m5jtFCJ1F9Vslzj2w9bAezqb+pVihio05b+p1q9HDH7HniROkF9tueOg/7J9TNscynerChbB5iqCSM/tUt+z+Q+kuioTgvcW4t9ozfMA2QBnoUwxcWLFsNW53Ii8e93/U1b8Z+AMvS4v711Hy3K7t3Xc7gAG4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774589231; c=relaxed/simple; bh=I/LICR98j4NyKeW19BwXls+7A2b5r/ZcdQ4p+18VO0g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=o1BCTv9FLzCyJ2u0ShmiQnqvMI6AgZEUn13ZuceK/n8CQ00mfqNpJ3R03AV9mFxxTNAo9mdRSWbflXhIbtsLVGkFOGCEJVMjEEPmwlNjGE7/RHf8m23DjFgT4cuuh5ao0NVzaMs1uwa1bwY4gEV/IQxVJO/WCAJXC68rlbrm2HM= 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=eoTCgcFD; arc=none smtp.client-ip=192.198.163.7 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="eoTCgcFD" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1774589230; x=1806125230; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=I/LICR98j4NyKeW19BwXls+7A2b5r/ZcdQ4p+18VO0g=; b=eoTCgcFDq/HTjLvgd3qrJ7Rr2iGwzajQ+/n4Il8Z51Tmg2IDVJq4rO76 NIDcRafQI5tUO0bvkGqxRcvt5+YyYz4Gu0LEBg0wEZI4aeA6NAegRBOCC xQO0lbKRXXf3nXGjIcL0Hc0CZTSFXX6AjoX4mpYwPRSEJS4f4MMFrNooY giEAmJJ0HbEP2h720Dp8ltYGYQwxPrQkFMjoeDEwNdm9m4mwb/wA2hChB eM7EhKMQ1L1hPhT9M6wvy5zeWMhMp9lrVPkKzQ/u4/3K93jX/QnoqGNpt uVeyBFnVfKaOi7L9JGmQHYjwuyCDcVu57twLdwYE10dxP69e70t3k/qCg A==; X-CSE-ConnectionGUID: 3mpqXJFfR+C6uJIf8galXw== X-CSE-MsgGUID: 2lAzYP0ARqqQ8KYTIAAm7A== X-IronPort-AV: E=McAfee;i="6800,10657,11741"; a="101117959" X-IronPort-AV: E=Sophos;i="6.23,143,1770624000"; d="scan'208";a="101117959" Received: from fmviesa003.fm.intel.com ([10.60.135.143]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Mar 2026 22:27:07 -0700 X-CSE-ConnectionGUID: SZetRyzOQz6keeXuIM+U0A== X-CSE-MsgGUID: GRDfq8C5Q7aQNJya7tNvxw== X-ExtLoop1: 1 Received: from dwillia2-desk.jf.intel.com ([10.88.27.145]) by fmviesa003.fm.intel.com with ESMTP; 26 Mar 2026 22:27:06 -0700 From: Dan Williams To: dave.jiang@intel.com Cc: patches@lists.linux.dev, linux-cxl@vger.kernel.org, alison.schofield@intel.com, Smita.KoralahalliChannabasappa@amd.com Subject: [PATCH 7/9] dax/hmem: Parent dax_hmem devices Date: Thu, 26 Mar 2026 22:28:19 -0700 Message-ID: <20260327052821.440749-8-dan.j.williams@intel.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260327052821.440749-1-dan.j.williams@intel.com> References: <20260327052821.440749-1-dan.j.williams@intel.com> Precedence: bulk X-Mailing-List: linux-cxl@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit For test purposes it is useful to be able to determine which "hmem_platform" device is hosting a given sub-device. Register hmem devices underneath "hmem_platform". Signed-off-by: Dan Williams --- drivers/dax/hmem/hmem.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/dax/hmem/hmem.c b/drivers/dax/hmem/hmem.c index e1dae83dae8d..af21f66bf872 100644 --- a/drivers/dax/hmem/hmem.c +++ b/drivers/dax/hmem/hmem.c @@ -96,6 +96,7 @@ static int __hmem_register_device(struct device *host, int target_nid, return -ENOMEM; } + pdev->dev.parent = host; pdev->dev.numa_node = numa_map_to_online_node(target_nid); info = (struct memregion_info) { .target_node = target_nid, -- 2.53.0