From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) (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 7CE5F1F472D for ; Thu, 14 Nov 2024 08:01:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.14 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731571299; cv=none; b=V9NHs6ftdOI0hVGkhw8aeHBm8jQBJMYD5K8Eeci4D9Wn70Q/V5amkegef3p3ZAiq7ZYH5HxmEPJzWF4rfWcNusrSCpdilW6ynBXaytn7Q+jyKWfEHVS+iaPXBzKIskkoI/XSnC3fqjTVSP7FnER7B39/gYvJQglT3JGOq/S17tw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731571299; c=relaxed/simple; bh=Qka/a3kZTQ8Mhjjbyc+iyeYQhIQ3WxkT3FKtU/EMAC0=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=aJAVv4NwmQU9WU6nd4zuALYkdIDjirN5Uz/MOo9yW273prwDBZLUsAx/TVqAiZMofpnq6g6V6oZQfUjb6Q2hLdUX6eY5qUG7rHvif5j/8/ZKua9UD7B359DDOCE4urBQ1SQiGpTMHe44TEYA9VC1F+WhK3XQDJTi6a6/U41VdfA= 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=R7MJA6qU; arc=none smtp.client-ip=198.175.65.14 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="R7MJA6qU" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1731571297; x=1763107297; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=Qka/a3kZTQ8Mhjjbyc+iyeYQhIQ3WxkT3FKtU/EMAC0=; b=R7MJA6qUp6tbSsYH+iKgufshdRWXr6LuXS7dKNpswQ6oKfGo/Ctn1gsd h45ebbtAwHYI0qjCOlEettJP95qrdBnMxOJeiuKx7e61RwpIn2XK08MGc 1O0GCDgovNnscSRHEGAz56ilhBE4A8iQAzgv7D/Wd+9xDNwdPZpmHKEKn H8L5O17Wra8c9XzPmrIdfeLG9SfkY/YfokkN8D6NZy7nqFwonCO6cTfGX iiVowtW2jto1oXbuIJsD7AgROU9Joevilg6yDH7ageGjua+7meUx5cizv LNmgwq4K8gSycLnnqyImE3kuZeRoLcnPDNbUPl6oOoiZ9bIaqne4Sh1fF w==; X-CSE-ConnectionGUID: P21K6D/yRciYEUBmLVdtwQ== X-CSE-MsgGUID: 64qhusjXQdiHOPdqi6dVXg== X-IronPort-AV: E=McAfee;i="6700,10204,11255"; a="35291042" X-IronPort-AV: E=Sophos;i="6.12,153,1728975600"; d="scan'208";a="35291042" Received: from orviesa002.jf.intel.com ([10.64.159.142]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 14 Nov 2024 00:01:37 -0800 X-CSE-ConnectionGUID: RSjFbsgUSK2aiPm6Jz9sow== X-CSE-MsgGUID: 29njlxtzRhaNQOaN1ECwEg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,153,1728975600"; d="scan'208";a="118942742" Received: from unknown (HELO [10.237.72.151]) ([10.237.72.151]) by orviesa002.jf.intel.com with ESMTP; 14 Nov 2024 00:01:36 -0800 Message-ID: <6d3f1fd0-1ead-4a01-bb2d-8482f8c1799f@linux.intel.com> Date: Thu, 14 Nov 2024 10:01:35 +0200 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 v3 5/5] i3c: dw: Add quirk to address OD/PP timing issue on AMD platform To: Shyam Sundar S K , Alexandre Belloni Cc: Sanket.Goswami@amd.com, linux-i3c@lists.infradead.org, linux-kernel@vger.kernel.org References: <20241108073323.523805-1-Shyam-sundar.S-k@amd.com> <20241108073323.523805-6-Shyam-sundar.S-k@amd.com> Content-Language: en-US From: Jarkko Nikula In-Reply-To: <20241108073323.523805-6-Shyam-sundar.S-k@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 11/8/24 9:33 AM, Shyam Sundar S K wrote: > The AMD Legacy I3C is having a problem with its IP, specifically with the > push-pull and open-drain pull-up registers. These registers need to be > manually programmed for every CCC submission to align with the duty cycle. > Therefore, add a quirk to address this issue. > > Co-developed-by: Sanket Goswami > Signed-off-by: Sanket Goswami > Signed-off-by: Shyam Sundar S K > --- > drivers/i3c/master/dw-i3c-master.c | 29 ++++++++++++++++++++++++++++- > drivers/i3c/master/dw-i3c-master.h | 1 + > 2 files changed, 29 insertions(+), 1 deletion(-) > Reviewed-by: Jarkko Nikula