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 3581AC52D7C for ; Fri, 23 Aug 2024 10:11:13 +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-Type: Content-Transfer-Encoding:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:From:References:Cc:To:Subject: MIME-Version:Date:Message-ID:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=S3c7tppmYdvXqUZMyFQcUF6zHEknVhS44d+yoZsjE94=; b=0itseabvI9++j5 VBgS2SauzaZl3mxLoJNtIhgXNugY9BJuIRA81ajYouqjyHxHnQkF5SIlH/NAMoXYRM8M7Dp+tjvjN 6yd0uHlFun2uOVeMc9yZqMA/dDenXCBdMi/twQd8s/SetJ45f+wDeU+8qnX40uqLn5VeSSGm025p2 HILzz+afV1TKpIc2riqw1JEkaJXCfG0NZSPJuyjLrXX1fQahGTCa88b5H2iOEqJRTGikBaq+2a6GG pXyy4KxkKHKYkZulcNzuT1Y8h3tCQj9DjmYg7j8qdRdEfRMMtx/ebKF6yynHkgJpHqcqB4BqMYJu6 4tn0rH5pyj+z+FPI4OLA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1shRGC-0000000GGAi-3hZa; Fri, 23 Aug 2024 10:11:12 +0000 Received: from mgamail.intel.com ([192.198.163.8]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1shRG9-0000000GG9G-3JTc for linux-i3c@lists.infradead.org; Fri, 23 Aug 2024 10:11:11 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1724407870; x=1755943870; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=QpcuazOnyseJ5P/75JZGJzYJIZkjK3slrOjOLNMHRNs=; b=fU2Txd61y2RhKnc8QSx8lchPU09zN0AHw268Aue97/znEo4xa4gLoTgf RkKucMSzALgWg9dJJjJxxTrNdN1Q0+JdbbauCX8C7LQtiuVqTUpOkp1va IKEfiY6oF4qolLIyAgiLEhDNDrsU3rv5GsFY+ukiMdT9e88kKiRnl2AU0 SnouodEZdy1ZxbW+tT6TV9z99jKhmjbCwaGFJz72zirpgTi3QNbEssC7Q 9aISNdpaPWZRinRrhoPrEGcX5wZSIISbhyH45Ij9CM8XkAKiEV6uT708k H6uz9pRr/hpelWQ3eupAlz//5WnfPa8HykjX6iRqmnhvRt7nI+U81EOj5 g==; X-CSE-ConnectionGUID: RnOGXm4/SnKPl3R3WtAbgQ== X-CSE-MsgGUID: o73PfFYjTwGZGdXWLxndlw== X-IronPort-AV: E=McAfee;i="6700,10204,11172"; a="40383828" X-IronPort-AV: E=Sophos;i="6.10,170,1719903600"; d="scan'208";a="40383828" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Aug 2024 03:11:10 -0700 X-CSE-ConnectionGUID: zUmtfBfnSdKz9AUiOW87fQ== X-CSE-MsgGUID: Aux2LsAWTdiaA7cLk17DHA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,170,1719903600"; d="scan'208";a="61758366" Received: from mylly.fi.intel.com (HELO [10.237.72.154]) ([10.237.72.154]) by fmviesa008.fm.intel.com with ESMTP; 23 Aug 2024 03:11:08 -0700 Message-ID: <9cc7f7a1-72b5-42fd-b5eb-6cd1cf59f3e7@linux.intel.com> Date: Fri, 23 Aug 2024 13:11:05 +0300 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 5/6] i3c: mipi-i3c-hci: Add a quirk to set timing parameters To: Shyam Sundar S K , Alexandre Belloni Cc: Guruvendra Punugupati , Krishnamoorthi M , linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org References: <20240821133554.391937-1-Shyam-sundar.S-k@amd.com> <20240821133554.391937-6-Shyam-sundar.S-k@amd.com> Content-Language: en-US From: Jarkko Nikula In-Reply-To: <20240821133554.391937-6-Shyam-sundar.S-k@amd.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240823_031109_913932_6E678B5C X-CRM114-Status: UNSURE ( 8.21 ) 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-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "linux-i3c" Errors-To: linux-i3c-bounces+linux-i3c=archiver.kernel.org@lists.infradead.org On 8/21/24 4:35 PM, Shyam Sundar S K wrote: > The AMD HCI controller is currently unstable at 12.5 MHz. To address this, > a quirk is added to configure the clock rate to 9 MHz as a workaround, > with proportional adjustments to the Open-Drain (OD) and Push-Pull (PP) > values. > > Co-developed-by: Guruvendra Punugupati > Signed-off-by: Guruvendra Punugupati > Signed-off-by: Shyam Sundar S K > --- > drivers/i3c/master/mipi-i3c-hci/Makefile | 3 +- > drivers/i3c/master/mipi-i3c-hci/core.c | 6 +++- > drivers/i3c/master/mipi-i3c-hci/hci.h | 2 ++ > drivers/i3c/master/mipi-i3c-hci/hci_quirks.c | 33 ++++++++++++++++++++ > 4 files changed, 42 insertions(+), 2 deletions(-) > create mode 100644 drivers/i3c/master/mipi-i3c-hci/hci_quirks.c > Reviewed-by: Jarkko Nikula -- linux-i3c mailing list linux-i3c@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-i3c