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 C4442CD98C5 for ; Sun, 14 Jun 2026 20:56:22 +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:In-Reply-To:MIME-Version:References: Message-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=1cOYnTRw5psaUvI2tPh/qnISTm+NtWIuRjmhRzv/qGg=; b=Y7MUVTm2qBuGyp y599F6iEKux1d4jEJgUQG98friCiyvnaccIxiTGas60kGu1RXTnlVDXyVYIugCku14vddbQpid6Yp aBFRQIWJdwrMOohTO/paNv4dlfGmxkYt5W9bh+AUNOhGLswsyZVzVk5wfly0ecKF6Ch9oxA/Sr5mX ub74fTGvXzZOZNbogSy4X6yQ2y63nf/FM+DoBk+WLPj3++REhw7aLGvRMK7q+GzMLEvkc8QiW7G5r vFMI6aH7GEGaOkZPNjhyKlKUlZUK6nbXuni08WGdiqM7bZr2FehAMiFmQFNxrDwZDqG8Vyq7pomMT fyNSpxbVJ5EokGPhJ+dQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wYrsU-0000000DI6z-03Xt; Sun, 14 Jun 2026 20:56:22 +0000 Received: from smtpout-02.galae.net ([185.246.84.56]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wYrsQ-0000000DI6X-2WUD for linux-i3c@lists.infradead.org; Sun, 14 Jun 2026 20:56:20 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 62D801A391E; Sun, 14 Jun 2026 20:56:15 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id D89E260014; Sun, 14 Jun 2026 20:56:14 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 7971E106C8A10; Sun, 14 Jun 2026 22:56:07 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1781470573; h=from:subject:date:message-id:to:cc:mime-version:content-type: in-reply-to:references; bh=1s1sT/c6GY/MY7ZVSH3SGCUIl59lEqQG0Hqj2B2xQT8=; b=UtciRf7y+G/d7pfxrZk1IlUaUbXDpp2k8dQXrpLeAjNf2O8ktUpBHnQAgy52argPBpPzsK ePID2nUloK8aMJsFsRJA50rAKX+xuLB3wBNvdwdZAH29K6w9cZ3ftdI0xF8TKIagm7jMhh a4AaPWhm1RH3e0FyXX4DFz0KMr0AKwxFAbNhoqRqHhdNDjtye7kkmXwj3M2cD0o2CHM/WW hNRn9yS0sYXHEUZepQ9eLYnfZHGllSN/7kRptBXX5ZUkvoG9gr+UJmFFEJvSqBh/9Poopm acBAjonS+9lmPIlUIT4emxxr1P9x6eWxGB3JzZAsnG0UeXXqVBdQDNdh2768dg== Date: Sun, 14 Jun 2026 22:56:06 +0200 From: Alexandre Belloni To: Akhil R Cc: Frank Li , Rob Herring , Krzysztof Kozlowski , Conor Dooley , "Rafael J . Wysocki" , Saket Dumbre , Len Brown , Guenter Roeck , Philipp Zabel , Bjorn Andersson , Geert Uytterhoeven , Dmitry Baryshkov , Arnd Bergmann , Eric Biggers , Wolfram Sang , Miquel Raynal , Jon Hunter , Thierry Reding , linux-tegra@vger.kernel.org, linux-i3c@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, acpica-devel@lists.linux.dev, linux-hwmon@vger.kernel.org Subject: Re: [PATCH v3 00/13] Support ACPI and SETAASA device discovery Message-ID: <2026061420560674ab6fb9@mail.local> References: <20260423085718.70762-1-akhilrajeev@nvidia.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20260423085718.70762-1-akhilrajeev@nvidia.com> X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260614_135618_915809_76246BEF X-CRM114-Status: GOOD ( 25.09 ) 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 Hello, On 23/04/2026 14:26:59+0530, Akhil R wrote: > This patch series adds SETAASA device discovery to the I3C subsystem, > enabling support for SPD5118 temperature sensors found on DDR5 memory > modules. The changes also add ACPI support for all existing DAA > methods like SETDASA, SETNEWDA as well as I2C devices on I3C bus. > > SPD5118 and similar devices on DDR5 memory modules differ from typical > I3C devices in their initialization. They use SETAASA broadcast CCC > instead of ENTDAA for address assignment, and per JEDEC specification, > are not required to have a Provisioned ID or implement standard device > information CCC commands (GETPID, GETDCR, GETBCR). > > The series enables to describe all I3C and I2C devices on both Device > Tree and the ACPI table, using unified device property APIs throughout > the I3C core and the Synopsys DesignWare I3C master driver. > > Please note that the series modifies drivers across multiple subsystems, > like Device Tree bindings, ACPI, I3C and HWMON. > > v2->v3: > * Fix maximum value and indent bit list for mipi-i3c-static-method. > * Move I3C_ADDR_METHOD_* macros to dt-bindings header. > * Drop ACPICA commit IDs, keep only the Link: tags. > * Revert the change which proceeds to register other devices if SETAASA > is not supported so that it aligns with the rest of the driver and to > avoid the issues pointed by Sashiko. > * Rework multiple commit messages. > > v1->v2: > * Added patch to remove 16-bit addressing support for SPD5118 > * Guard ACPI calls with #ifdef CONFIG_ACPI > * Remove CONFIG_OF guard for of_alias_get_highest_id() > * Mask mipi-i3c-static-method in the driver to select only valid values. > * Proceed to register other devices if SETAASA is not supported. > * Update commit message and links in the description of multiple commits. > > > Akhil R (13): > dt-bindings: i3c: Add mipi-i3c-static-method to support SETAASA > ACPICA: Read LVR from the I2C resource descriptor > i3c: master: Use unified device property interface > i3c: master: Support ACPI enumeration of child devices > i3c: master: Add support for devices using SETAASA > i3c: master: Add support for devices without PID > i3c: master: match I3C device through DT and ACPI > i3c: dw-i3c-master: Add SETAASA as supported CCC > i3c: dw-i3c-master: Add a quirk to skip clock and reset > i3c: dw-i3c-master: Add ACPI ID for Tegra410 > hwmon: spd5118: Remove 16-bit addressing > hwmon: spd5118: Add I3C support > arm64: defconfig: Enable I3C and SPD5118 hwmon > I'd really like to apply this but I would have preferred having an actual ack from Rob on patch 1. Also, you are going to have to rebase on the current i3c-next. Can you do this? Thanks! > .../devicetree/bindings/i3c/i3c.yaml | 31 +- > arch/arm64/configs/defconfig | 3 + > drivers/acpi/acpica/rsserial.c | 6 +- > drivers/hwmon/Kconfig | 9 +- > drivers/hwmon/spd5118.c | 119 +++--- > drivers/i3c/master.c | 354 +++++++++++++++--- > drivers/i3c/master/dw-i3c-master.c | 66 ++-- > include/acpi/acrestyp.h | 1 + > include/dt-bindings/i3c/i3c.h | 3 + > include/linux/i3c/ccc.h | 1 + > include/linux/i3c/master.h | 20 +- > 11 files changed, 463 insertions(+), 150 deletions(-) > > -- > 2.50.1 > > > -- > linux-i3c mailing list > linux-i3c@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-i3c -- Alexandre Belloni, co-owner and COO, Bootlin Embedded Linux and Kernel engineering https://bootlin.com -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c