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 16C22CC6B05 for ; Thu, 2 Apr 2026 07:15:31 +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=+CPcwkNaEXeR02N7NVyOvANHD6OJEkO0sE99YUbhy3Q=; b=f4iuijthPbK7hw Bnz5DORUwb2XKSNe3qKPtWPIxssIGf5+Mr05kkbe4LLR1WcqG1YqCcQlw9q4lZCZL+Wq0LtLaKewA RpTcgC+57ucEHgqr8gjJL1beZiFM5xUOBgFu+5iJsB6GL4hkA9aS/TUd1XfFG+1vNbzYy37jfGztS fATp+/nDd9HrFbTlmk3krje/lKwu0GcwBsEl/PBmKu8hBu6Cfu53iT6dYdUPKBZdN07+fhbV8lH7z GYw67QupBdz49fbUas9EXnc6P1uJWo1b/jUzH7Vr9kGckQxeHLeM3NnbaANSig07q2gQ9RjP+wflm YJ9DTPstqoA89Y5KcxaA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8CH4-0000000H16D-2jUi; Thu, 02 Apr 2026 07:15:30 +0000 Received: from smtpout-04.galae.net ([185.171.202.116]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w8CH0-0000000H14J-1zhK for linux-i3c@lists.infradead.org; Thu, 02 Apr 2026 07:15:28 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-04.galae.net (Postfix) with ESMTPS id 84B81C59979; Thu, 2 Apr 2026 07:15:53 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 2B9155FDEB; Thu, 2 Apr 2026 07:15:22 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 36F22104512D9; Thu, 2 Apr 2026 09:15:17 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1775114121; h=from:subject:date:message-id:to:cc:mime-version:content-type: in-reply-to:references; bh=wiKrDAWk4fSxvPGd0lY2pBYZ/Gb7wXMPPdOhaXRKJW4=; b=I/o4QYXfPbLflteyQTKBgqHu7wN1CIfFop9hl/h3U1rXFIrf2JLf5lqXgoQcWUCxLR3wgs RzYwuu80/JEPXQA/vyl7ce7xY4Q+tPtRMscjetcgXLLfXczjEsKvuR91qvRpkp4q112q8d 2PpU8SsKtfPYLxQdi1+UvS9N3wEucrxvKIV/CiTpTqUMuYF0H/QKAKOHSpto0AsJvTZjeE gtWA5L3FwWKCuZzYR30UPli9GdtyO7D7buwMWbF0UxXZdZAZ/wzpNphNwJLvw0mfTmHkiK W26NUQkGWMmKh5PppQOwcn1A8G4s2DfNkYIxstZzJ193ct4ujorz2KajyokHPg== Date: Thu, 2 Apr 2026 09:15:17 +0200 From: Alexandre Belloni To: Billy Tsai Cc: Adrian Hunter , Frank Li , Nicolas Pitre , Boris Brezillon , "linux-i3c@lists.infradead.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] i3c: mipi-i3c-hci: fix atomic updates to RING_OPERATION1 register Message-ID: <2026040207151741220dbd@mail.local> References: <20260331-i3c-hci-dma-lock-v1-1-708bc5848381@aspeedtech.com> <17efbe5d-6f9f-41b6-95ef-7a84e2ed5029@intel.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260402_001527_003789_41CEEF6E X-CRM114-Status: UNSURE ( 7.02 ) 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 Hello, On 01/04/2026 08:04:45+0000, Billy Tsai wrote: > Hi Adrian, > > Thank you for the clarification. I overlooked the lock in i3c_hci_irq_handler() in core.c. Just to be clear, did you use AI to find the issue ? -- 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