From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 41626187335 for ; Fri, 23 Aug 2024 10:11:10 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724407871; cv=none; b=sfPvUoxDJ6c/2PH1rjqsANthnD+hmjVUxtozA0Ca7zseMUaESX+MQGUwQ7U0965NeL1/JmGFPv1uEc7wfFklIpsIHpyOcHNNPuc5Tla3/FD+bcQJ62b/HUU+4RuXUlnXz4OKSRycbCJeE2UqyW1vl4FCTBJMNZoTm56wCu2rE7k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724407871; c=relaxed/simple; bh=QpcuazOnyseJ5P/75JZGJzYJIZkjK3slrOjOLNMHRNs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=ZKKTsPGGMHEUWScwOlN4SISabzRaKLbV/L1aLW7AoyiJPl9C9/huPifa15f0I+5z+1rWsUQI+16ubb4RvgNJSaEW8s8y2jACsCRIx3refj65YMD/32I+xb36wK4dHLZxbgUruL2GUVBOYXRFYSeQ0XEQV68PgmWOxADMxj0r3HY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=none smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=fU2Txd61; arc=none smtp.client-ip=192.198.163.8 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="fU2Txd61" 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: GlA6MJ98Sf6FyzdIhXPJ5w== X-CSE-MsgGUID: BJkH3eaARxeFxgHfcVYJVg== X-IronPort-AV: E=McAfee;i="6700,10204,11172"; a="40383827" X-IronPort-AV: E=Sophos;i="6.10,170,1719903600"; d="scan'208";a="40383827" 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 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: 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> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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