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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D858DC7619A for ; Tue, 11 Apr 2023 10:08:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229586AbjDKKIx (ORCPT ); Tue, 11 Apr 2023 06:08:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60568 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229450AbjDKKIw (ORCPT ); Tue, 11 Apr 2023 06:08:52 -0400 Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 804162D67; Tue, 11 Apr 2023 03:08:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1681207730; x=1712743730; h=message-id:date:mime-version:subject:to:cc:references: from:in-reply-to:content-transfer-encoding; bh=qtxsNuJQDSUF/7fTFYabGmqvbQYKyMolYaV1bWaTZt8=; b=dWDyrjxTPJ8T8itafRhXct8N4DQkGkEKXbzk+8S3iqv3u2ZptHldnTg9 Oodc6AsTKL8plGqIjVHiO7hJigad+xAGm/gM3PZGOxX/9IYwY8Bc5liTG 1LdJ7BS/U+IFqLtDZ/rlBBnpTMrm48moZrMLbzUrDCKL2dite/ESvufZ9 VylL7YlwK3Md8Gz16omu2HczSM7gT0i7awol9oONeRpB8xYCChZKBn58v IBlb3Hfdk1ima4rAk3ZOnNK0yTHzE+7qwEkQj5nUxOX+VQ4KDkrDE00UC WIBiqtkC5Fb6zmhi4tsfBFrzQ6hijxnZIWQORkKESJ8h0m0GxGa/Y2R42 w==; X-IronPort-AV: E=McAfee;i="6600,9927,10676"; a="341069789" X-IronPort-AV: E=Sophos;i="5.98,336,1673942400"; d="scan'208";a="341069789" Received: from orsmga001.jf.intel.com ([10.7.209.18]) by fmsmga102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Apr 2023 03:08:49 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10676"; a="721154904" X-IronPort-AV: E=Sophos;i="5.98,336,1673942400"; d="scan'208";a="721154904" Received: from unknown (HELO [10.237.72.51]) ([10.237.72.51]) by orsmga001.jf.intel.com with ESMTP; 11 Apr 2023 03:08:47 -0700 Message-ID: <09dc3146-a1c6-e1a3-c8bd-e9fe547f9b99@linux.intel.com> Date: Tue, 11 Apr 2023 13:08:47 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Firefox/102.0 Thunderbird/102.9.0 Subject: Re: [PATCH net-next v2 2/6] net: txgbe: Implement I2C bus master driver Content-Language: en-US To: Jiawen Wu , netdev@vger.kernel.org, linux@armlinux.org.uk Cc: linux-i2c@vger.kernel.org, linux-gpio@vger.kernel.org, mengyuanlou@net-swift.com References: <20230411092725.104992-1-jiawenwu@trustnetic.com> <20230411092725.104992-3-jiawenwu@trustnetic.com> <00cf01d96c58$8d3e9130$a7bbb390$@trustnetic.com> From: Jarkko Nikula In-Reply-To: <00cf01d96c58$8d3e9130$a7bbb390$@trustnetic.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Hi On 4/11/23 12:32, Jiawen Wu wrote: > +Cc: Jarkko Nikula > >> -----Original Message----- >> From: Jiawen Wu >> Sent: Tuesday, April 11, 2023 5:27 PM >> To: netdev@vger.kernel.org; linux@armlinux.org.uk >> Cc: linux-i2c@vger.kernel.org; linux-gpio@vger.kernel.org; >> mengyuanlou@net-swift.com; Jiawen Wu >> Subject: [PATCH net-next v2 2/6] net: txgbe: Implement I2C bus master >> driver >> >> Implement I2C bus driver to send and receive I2C messages. >> >> This I2C license the IP of Synopsys Designware, but without interrupt >> support on the hardware design. It seems that polling mode needs to be >> added in Synopsys Designware I2C driver. But currently it can only be >> driven by this I2C bus master driver. >> >> Signed-off-by: Jiawen Wu >> --- >> drivers/net/ethernet/wangxun/Kconfig | 1 + >> .../net/ethernet/wangxun/txgbe/txgbe_phy.c | 153 >> ++++++++++++++++++ >> .../net/ethernet/wangxun/txgbe/txgbe_type.h | 23 +++ >> 3 files changed, 177 insertions(+) >> Looks like your use case has similarities with the commit 17631e8ca2d3 ("i2c: designware: Add driver support for AMD NAVI GPU").