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X-CSE-ConnectionGUID: vQWZpuZlT4+vUhwSVnjrbg== X-CSE-MsgGUID: QLM8s8WNS0unzjjyDPWiJg== X-IronPort-AV: E=McAfee;i="6700,10204,11202"; a="26108022" X-IronPort-AV: E=Sophos;i="6.10,250,1719903600"; d="scan'208";a="26108022" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2024 01:25:27 -0700 X-CSE-ConnectionGUID: uUOCbsW8TSi11bfKU2Xwtw== X-CSE-MsgGUID: X5GI/7SVTMiFcKMxvvSs9g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,250,1719903600"; d="scan'208";a="71016318" Received: from smile.fi.intel.com ([10.237.72.54]) by orviesa009.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2024 01:25:23 -0700 Received: from andy by smile.fi.intel.com with local (Exim 4.98) (envelope-from ) id 1sseNj-0000000BtJt-3Lv3; Mon, 23 Sep 2024 11:25:19 +0300 Date: Mon, 23 Sep 2024 11:25:19 +0300 From: Andy Shevchenko To: Tyrone Ting Cc: avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com, venture@google.com, yuenn@google.com, benjaminfair@google.com, andi.shyti@kernel.org, wsa@kernel.org, rand.sec96@gmail.com, wsa+renesas@sang-engineering.com, tali.perry@nuvoton.com, Avi.Fishman@nuvoton.com, tomer.maimon@nuvoton.com, KWLIU@nuvoton.com, JJLIU0@nuvoton.com, kfting@nuvoton.com, openbmc@lists.ozlabs.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v4 4/6] i2c: npcm: Modify the client address assignment Message-ID: References: <20240920101820.44850-1-kfting@nuvoton.com> <20240920101820.44850-5-kfting@nuvoton.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo On Mon, Sep 23, 2024 at 09:59:31AM +0800, Tyrone Ting wrote: > Andy Shevchenko 於 2024年9月20日 週五 下午10:33寫道： > > On Fri, Sep 20, 2024 at 06:18:18PM +0800, warp5tw@gmail.com wrote: ... > > > Store the client address earlier since it might get called in > > > the i2c_recover_bus logic flow at the early stage of the func() > > > npcm_i2c_master_xfer. > > > > You got my comment really wrong. > > > > func() in my example was to refer to _a_ function mentioned in the text. > > And IIRC I even posted the example, like: i2c_recover_bus(). > > So the commit message in next patch set would be like: Yes. > Store the client address earlier since it might get called in > the i2c_recover_bus() logic flow at the early stage of > npcm_i2c_master_xfer(). > > The code comment would be like: Yes! > Previously, the address was stored w/o left-shift by one bit and > with that shift in the following call to npcm_i2c_master_start_xmit(). > > Since there are cases that the i2c_recover_bus() gets called at the > early stage of npcm_i2c_master_xfer(), the address is > stored with the shift and used in the i2c_recover_bus call(). -- With Best Regards, Andy Shevchenko