From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id C2D73CEDDA4 for ; Tue, 18 Nov 2025 16:45:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=nz1QM3MDB2iGGK8S2zyMawaBGA3lLBXtAgknfWnNZs8=; b=nYbvGDVVi26iez Xbo/SRTOA4rxXAR5b0Hs+02+v5lGSIWCCZqn2mRz6xOv++pCXDUYixp+dzoq/vbxj/TTHXSEI1M9T 1WjQHv/UjrqeCA1Lb35W20WWcdFOp515qQ5GcRvItaeMXEWmzFyxCph+xgZbb4zFGMu3UVcpxlOZs wE9cMYXPVsS9jIyxWo2I0NQxUSnAvWEzqNgAdL5kIarJa6HLDG4X3hkOqpAVHODHlxNMih5iZYAyy X6c/FcISGVRwm12taeN/P/ILVkKrqaBdf6gfLmCxUWEG5hzCQNYUceJZigqqSgOX+DesHAUcPypmJ KEcErsg958erd2Y/qsQA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLOpN-00000000lsh-1wAm; Tue, 18 Nov 2025 16:45:13 +0000 Received: from mgamail.intel.com ([192.198.163.19]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vLOpL-00000000lrU-0UV0 for linux-i3c@lists.infradead.org; Tue, 18 Nov 2025 16:45:12 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763484311; x=1795020311; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=SdKHV2+Tw7xuQRRHJX+7G73ZrNcCMCAL23JTPuAS/68=; b=Hm33pNRZ5wo4RN6IVhxAeanm99W8PNIMCYSQp8lMtnzdlRgloi4EehkG 1xEtNOANdmidZXCFiJRppB7BG7fnFbBG0Ywb0PM7HF2uTwt5Rr/hZlegE zNXQjg71avzFAkN4qdBbw6WE30rpF2POvjyHu4fKBiAT4tOBykAOlFK1f YqxULyn+O5bW5yPZ2P3t9eBTG7+BesWevk4OZ4pk80CnXNb8eczzLlDgG nNJWNLHNKHPKNDj6D2LsZb2vZ+jAB1zDxzvNEKX7CbhPfX51aYR72hvDg Ru6xmnILHQlAkCtxANYXrvuI2tCbFyOHUm6MjwUT1vlZIv8I+6PlmAn1Q w==; X-CSE-ConnectionGUID: xAXhdAV7Q1Cii6pmVYrGpw== X-CSE-MsgGUID: L5bYVIyDRDqSBZ5HISfnkA== X-IronPort-AV: E=McAfee;i="6800,10657,11617"; a="64510668" X-IronPort-AV: E=Sophos;i="6.19,314,1754982000"; d="scan'208";a="64510668" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by fmvoesa113.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Nov 2025 08:45:10 -0800 X-CSE-ConnectionGUID: TOmi1y/oTZy193ZGhmb3bA== X-CSE-MsgGUID: l4pDw/DqReeKgk+QtnbfjQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,314,1754982000"; d="scan'208";a="221462858" Received: from pgcooper-mobl3.ger.corp.intel.com (HELO ahunter6-desk) ([10.245.245.65]) by orviesa002-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Nov 2025 08:45:08 -0800 From: Adrian Hunter To: alexandre.belloni@bootlin.com Cc: Frank.Li@nxp.com, linux-i3c@lists.infradead.org Subject: [PATCH V4 00/12] i3c: mipi-i3c-hci-pci: Add LTR support for Intel controllers Date: Tue, 18 Nov 2025 18:44:41 +0200 Message-ID: <20251118164453.55532-1-adrian.hunter@intel.com> X-Mailer: git-send-email 2.51.0 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251118_084511_199436_9F04F3CA X-CRM114-Status: UNSURE ( 8.41 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-i3c@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org Hi Here are V4 patches primarily to add support for Latency Tolerance Reporting (LTR) for Intel controllers. Most patches are small tidy-ups or preparation for the main change. Changes in V4: i3c: mipi-i3c-hci-pci: Set 64-bit DMA mask for Intel controllers i3c: mipi-i3c-hci-pci: Move all Intel-related definitions together i3c: mipi-i3c-hci-pci: Change callback parameter i3c: mipi-i3c-hci-pci: Add exit callback Add Frank's Rev'd-by i3c: mipi-i3c-hci-pci: Add LTR support for Intel controllers Drop intel_actualize_debugfs_root() that created 'intel-i3c' debugfs directory. Changes in V3: i3c: mipi-i3c-hci-pci: Set 64-bit DMA mask for Intel controllers Omit mention of IOMMU in commit message. i3c: mipi-i3c-hci-pci: Rename some Intel-related identifiers Add Frank's Rev'd-by i3c: mipi-i3c-hci-pci: Use readl_poll_timeout() Add Frank's Rev'd-by i3c: mipi-i3c-hci-pci: Factor out intel_reset() Add Frank's Rev'd-by i3c: mipi-i3c-hci-pci: Change callback parameter Improve commit message. i3c: mipi-i3c-hci-pci: Add exit callback Improve commit message. i3c: mipi-i3c-hci-pci: Allocate a structure for Intel controller information Squash into "Add LTR support for Intel controllers" patch i3c: mipi-i3c-hci-pci: Add LTR support for Intel controllers Squash "Allocate a structure for Intel controller information" patch into this patch i3c: mipi-i3c-hci-pci: Set d3cold_delay to 0 for Intel controllers Add Frank's Rev'd-by Changes in V2: i3c: mipi-i3c-hci-pci: Set 64-bit DMA mask for Intel controllers No need to check error from dma_set_mask_and_coherent() with a 64-bit mask i3c: mipi-i3c-hci-pci: Rename some Intel-related identifiers Rename 'intel_init' to 'intel_i3c_init' More explanation in commit message i3c: mipi-i3c-hci-pci: Use readl_poll_timeout() Change 10000 to (10 * USEC_PER_MSEC) i3c: mipi-i3c-hci-pci: Constify driver data Add Frank's Rev'd-by i3c: mipi-i3c-hci-pci: Factor out intel_reset() Move location of intel_reset() to get a prettier diff i3c: mipi-i3c-hci-pci: Allocate a structure for mipi_i3c_hci_pci device information Add Frank's Rev'd-by i3c: mipi-i3c-hci-pci: Add LTR support for Intel controllers Make use of FIELD_PREP() Improve handling of values that exceed the maximum Adrian Hunter (12): i3c: mipi-i3c-hci-pci: Set 64-bit DMA mask for Intel controllers i3c: mipi-i3c-hci-pci: Move all Intel-related definitions together i3c: mipi-i3c-hci-pci: Rename some Intel-related identifiers i3c: mipi-i3c-hci-pci: Use readl_poll_timeout() i3c: mipi-i3c-hci-pci: Constify driver data i3c: mipi-i3c-hci-pci: Factor out private registers ioremapping i3c: mipi-i3c-hci-pci: Factor out intel_reset() i3c: mipi-i3c-hci-pci: Allocate a structure for mipi_i3c_hci_pci device information i3c: mipi-i3c-hci-pci: Change callback parameter i3c: mipi-i3c-hci-pci: Add exit callback i3c: mipi-i3c-hci-pci: Add LTR support for Intel controllers i3c: mipi-i3c-hci-pci: Set d3cold_delay to 0 for Intel controllers drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c | 215 +++++++++++++++++---- 1 file changed, 177 insertions(+), 38 deletions(-) Regards Adrian -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c