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 5A929CE8D6F for ; Fri, 14 Nov 2025 18:14:18 +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=72Kz0qPkh98htpq7LHrTP9ne3APJ/9U3N96KJBrWYGo=; b=jtqVA6Ou9zp3Xt /0kLytm9TLb6eoTcsQneeQF+gJOA6v5qM8vwxRhJHJHcvAomdJFlk9D9xVwejcPkUckVgtkH0d5Y7 591LA4B8PykIuhPfzv7MMYRckX+5DREWFwCco/JNkQQ53WOpxFCcqwo7IReS2djBbAIKCAKOB5G4w 155uB/mEo8c+pZ5gB6VJeyxib/1VOf+5OmDnbnlyb+utRGPD826doHIumutt9jL5xmY/UqZ50QjBh tYQgsiJ3/CXevWAiwlffiBzwYkVgGw4Vh6nrLLXHOPzUMJz32JidB7QdIY43sBMJJmM8Fud+tf0Au AsjJu0DovruJKAfsuA/w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJyJO-0000000CwNs-0QE3; Fri, 14 Nov 2025 18:14:18 +0000 Received: from mgamail.intel.com ([198.175.65.19]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vJyJJ-0000000CwLW-3KZn for linux-i3c@lists.infradead.org; Fri, 14 Nov 2025 18:14:16 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1763144054; x=1794680054; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=DpuT3rasMlx7cP9kKPF8sEquZIdGONr1K7d0ZJ/c9Fs=; b=g1hAnEmaCFB/gDu3waCfKp025/epUVrpqmIze/Fx/cafSbzqIvVapWum mupwd/gakBXjKXbkdaARapKhdCKFchNDq4m7cnyady19wI57EIia+wW1c GnRZw8fPO6meMDYIVnZJTFVO4jkauiTVI8cJPs/OoDw5nSl7uhfugmbBH mhPx72xssc1YWzfRAErbfHwX3WEwiJHBg/v2YpH6T140fbfpcypS8jFhd 2oUfH4KI+Oki3PAa2fHZy/CJ/LaLHLHStcG8EtrF5vZvnbZQ08FuEeqvS Qvn3gLXIZBxTh9FLfOqKVjWSej03HZgEA10wmIGo6MRI27osXlrNO1Ei7 g==; X-CSE-ConnectionGUID: hnaTg7HtRSW6b2ak6AX4vg== X-CSE-MsgGUID: 2uZyjlD+QziHUqZezcJd6A== X-IronPort-AV: E=McAfee;i="6800,10657,11613"; a="65129272" X-IronPort-AV: E=Sophos;i="6.19,305,1754982000"; d="scan'208";a="65129272" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2025 10:14:10 -0800 X-CSE-ConnectionGUID: qKTkZLfGQRyYHr1u2k7iyg== X-CSE-MsgGUID: kF9gluX0RgO3whqtD12FGg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,305,1754982000"; d="scan'208";a="189668953" Received: from rvuia-mobl.ger.corp.intel.com (HELO ahunter6-desk) ([10.245.245.231]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2025 10:14:08 -0800 From: Adrian Hunter To: alexandre.belloni@bootlin.com Cc: Frank.Li@nxp.com, linux-i3c@lists.infradead.org Subject: [PATCH V2 00/13] i3c: mipi-i3c-hci-pci: Add LTR support for Intel controllers Date: Fri, 14 Nov 2025 20:13:43 +0200 Message-ID: <20251114181356.66515-1-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-20251114_101413_907386_602B88C9 X-CRM114-Status: UNSURE ( 7.81 ) 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 V2 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 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 (13): 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: Allocate a structure for Intel controller information 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 | 238 +++++++++++++++++---- 1 file changed, 200 insertions(+), 38 deletions(-) Regards Adrian -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c