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 DA876E8B37E for ; Tue, 3 Feb 2026 23:39:23 +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:Subject:Cc:To: From:Date: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=2byMswqUd8j2VuHGaz6QsE4B0F09WCNis+bq9+rk0PI=; b=IeD9Cojiautjvj avxFkeaAwaFvkEieMRHLFJrhmQh28VVv00Nyew6h/1lOTV0KNT0PxVuRiD/iavSDUTXJ/+ahh+WNo B2UBmMPjcen8+HNgXScQisFXHxBFn0Nx8uGY+0UVCVzA4eXTpll/2NYb92B05lETsuYV60TgvM517 mQjH99uwXisouSn8Cl1Yo/fb53TOqnFeFJ34HXb1NeAUn5vocS4kxRYgXt2NIlA5ccTJ85bfNfAEX PPaQGD53BgNaZnyrxbQOcjSEojqIUGUaHko+Q3eD5RrbSlcUD5HKZGZYKDZ13jblsVjLB6KaBdr50 R9PrUgURRkem2y4Y7L5g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnPzP-00000007ZoO-2Toz; Tue, 03 Feb 2026 23:39:23 +0000 Received: from smtpout-02.galae.net ([185.246.84.56]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vnPzM-00000007ZnW-2q95 for linux-i3c@lists.infradead.org; Tue, 03 Feb 2026 23:39:22 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id 0C7B61A2BD0; Tue, 3 Feb 2026 23:39:16 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id C107D60728; Tue, 3 Feb 2026 23:39:15 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id E1B04119A8888; Wed, 4 Feb 2026 00:39:13 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1770161955; h=from:subject:date:message-id:to:cc:mime-version:content-type; bh=ucYbgMTXu9O2nhpJq8hjASjMhl+lmyesfJEs8TT0QqI=; b=wGcDwXjVNrapnZkeIvMlPeftHCxADa4Zse17UBW8mJzoZiBetVvR3cGLEdXMA4v+ODFDMW C2eWdk/h1sMkW9n4IhyWKqn4M1RLv2CUzti3H5M8LGdpcPXgTjxFIpEhHLoQvLTAB9LuTe xaxofF0MPG4iaTUqdfWKF9XCd1oxVJfQc5MqReSvy5vGtC8cPwvHPXkDRzS8pOSOA9rnSR v9S+HEKBD499mwOtwQupaqkQUcebQQTqVMoA03DIDp8O7cHrBKFjAm5TNdz9gRI9mTYtBm RZB1mvS4ubovEyOZ20fpkavPjdsKSwPciXmUkhpyQz8Sis2oeC8p1P2s9ibn7A== Date: Wed, 4 Feb 2026 00:39:12 +0100 From: Alexandre Belloni To: Linus Torvalds Cc: linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [GIT PULL] I3C changes for 6.20 Message-ID: <20260203233912448420e5@mail.local> MIME-Version: 1.0 Content-Disposition: inline X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260203_153920_867842_9E8EF4C0 X-CRM114-Status: GOOD ( 12.58 ) 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 Linus, Here is the i3c subsystem pull request for 6.19. Most of the work has been concentrated on mipi-i3c-hci and in particular its pci variant. The renesas and dw drivers have also seen a few improvements. The following changes since commit 8f0b4cce4481fb22653697cced8d0d04027cb1e8: Linux 6.19-rc1 (2025-12-14 16:05:07 +1200) are available in the Git repository at: git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux.git tags/i3c/for-6.20 for you to fetch changes up to ed318b3fb4ab317c533d38d160326fa5d7569497: i3c: dw-i3c-master: fix SIR reject bit mapping for dynamic addresses (2026-01-31 00:05:22 +0100) ---------------------------------------------------------------- I3C for 6.20 Subsystem: - add sysfs entry and attribute for Device NACK Retry count Drivers: - dw: Device NACK Retry configuration knob - mipi-i3c-hci: support for Multi-Bus Instances, Runtime PM support, System Suspend support - renesas: suspend/resume support ---------------------------------------------------------------- Adrian Hunter (35): i3c: mipi-i3c-hci: Remove duplicate blank lines i3c: mipi-i3c-hci: Stop reading Extended Capabilities if capability ID is 0 i3c: mipi-i3c-hci: Quieten initialization messages i3c: mipi-i3c-hci-pci: Do not repeatedly check for NULL driver_data i3c: mipi-i3c-hci-pci: Enable MSI support i3c: mipi-i3c-hci-pci: Assign unique device names and IDs for Intel LPSS I3C i3c: mipi-i3c-hci: Allow for Multi-Bus Instances i3c: mipi-i3c-hci-pci: Pass base regs as platform data to i3c core device i3c: mipi-i3c-hci-pci: Convert to MFD driver i3c: mipi-i3c-hci-pci: Add support for Multi-Bus Instances i3c: mipi-i3c-hci-pci: Define Multi-Bus instances for supported controllers i3c: mipi-i3c-hci: Reset RING_OPERATION1 fields during init i3c: mipi-i3c-hci: Ensure proper bus clean-up i3c: master: Update hot-join flag only on success i3c: master: Replace WARN_ON() with dev_err() in i3c_dev_free_ibi_locked() i3c: mipi-i3c-hci: Switch DAT bitmap allocation to devm_bitmap_zalloc() i3c: mipi-i3c-hci: Switch PIO data allocation to devm_kzalloc() i3c: mipi-i3c-hci: Manage DMA deallocation via devres action i3c: mipi-i3c-hci: Cache DAT in memory for Runtime PM restore i3c: mipi-i3c-hci: Introduce helper to restore DAT i3c: mipi-i3c-hci: Extract ring initialization from hci_dma_init() i3c: mipi-i3c-hci: Add DMA suspend and resume support i3c: mipi-i3c-hci: Refactor PIO register initialization i3c: mipi-i3c-hci: Add PIO suspend and resume support i3c: mipi-i3c-hci: Factor out software reset into helper i3c: mipi-i3c-hci: Factor out IO mode setting into helper i3c: mipi-i3c-hci: Factor out core initialization into helper i3c: mipi-i3c-hci: Allow core re-initialization for Runtime PM support i3c: mipi-i3c-hci: Factor out master dynamic address setting into helper i3c: master: Introduce optional Runtime PM support i3c: mipi-i3c-hci: Add optional Runtime PM support i3c: mipi-i3c-hci-pci: Add Runtime PM support i3c: master: Add i3c_master_do_daa_ext() for post-hibernation address recovery i3c: mipi-i3c-hci: Add optional System Suspend support i3c: mipi-i3c-hci-pci: Add System Suspend support Adrian Ng Ho Yin (6): i3c: add sysfs entry and attribute for Device NACK Retry count i3c: dw: Add support for Device NACK Retry configuration i3c: dw: use FIELD_PREP for device address table macros i3c: dw: Preserve DAT entry bits when restoring addresses i3c: dw-i3c-master: convert spinlock usage to scoped guards i3c: dw-i3c-master: fix SIR reject bit mapping for dynamic addresses Billy Tsai (1): i3c: Move device name assignment after i3c_bus_init Frank Li (3): i3c: drop i3c_priv_xfer and i3c_device_do_priv_xfers() i3c: master: svc: Initialize 'dev' to NULL in svc_i3c_master_ibi_isr() i3c: Add stub functions when I3C support is disabled Fredrik Markstrom (1): i3c: dw: Initialize spinlock to avoid upsetting lockdep Krzysztof Kozlowski (1): i3c: master: Simplify with scoped for each OF child loop Tommaso Merciai (4): i3c: renesas: Switch to clk_bulk API and store clocks in private data i3c: renesas: Store clock rate and reset controls in struct renesas_i3c i3c: renesas: Factor out hardware initialization to separate function i3c: renesas: Add suspend/resume support Zilin Guan (1): i3c: dw: Fix memory leak in dw_i3c_master_i2c_xfers() Documentation/ABI/testing/sysfs-bus-i3c | 11 + drivers/i3c/device.c | 46 +- drivers/i3c/internals.h | 4 + drivers/i3c/master.c | 213 ++++++++-- drivers/i3c/master/Kconfig | 1 + drivers/i3c/master/dw-i3c-master.c | 121 ++++-- drivers/i3c/master/mipi-i3c-hci/cmd_v1.c | 2 - drivers/i3c/master/mipi-i3c-hci/cmd_v2.c | 2 - drivers/i3c/master/mipi-i3c-hci/core.c | 465 +++++++++++++++------ drivers/i3c/master/mipi-i3c-hci/dat.h | 2 +- drivers/i3c/master/mipi-i3c-hci/dat_v1.c | 46 +- drivers/i3c/master/mipi-i3c-hci/dma.c | 171 +++++--- drivers/i3c/master/mipi-i3c-hci/ext_caps.c | 58 ++- drivers/i3c/master/mipi-i3c-hci/ext_caps.h | 1 - drivers/i3c/master/mipi-i3c-hci/hci.h | 17 +- drivers/i3c/master/mipi-i3c-hci/mipi-i3c-hci-pci.c | 186 ++++++--- drivers/i3c/master/mipi-i3c-hci/pio.c | 64 ++- drivers/i3c/master/renesas-i3c.c | 319 ++++++++------ drivers/i3c/master/svc-i3c-master.c | 4 +- include/linux/i3c/device.h | 24 +- include/linux/i3c/master.h | 11 + include/linux/platform_data/mipi-i3c-hci.h | 15 + 22 files changed, 1269 insertions(+), 514 deletions(-) create mode 100644 include/linux/platform_data/mipi-i3c-hci.h -- 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