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 X-Spam-Level: X-Spam-Status: No, score=-8.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3578AC433ED for ; Fri, 7 May 2021 16:49:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EE1086145D for ; Fri, 7 May 2021 16:49:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238394AbhEGQub (ORCPT ); Fri, 7 May 2021 12:50:31 -0400 Received: from fllv0016.ext.ti.com ([198.47.19.142]:57516 "EHLO fllv0016.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233797AbhEGQua (ORCPT ); Fri, 7 May 2021 12:50:30 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 147GnG6B067773; Fri, 7 May 2021 11:49:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1620406156; bh=dYP29pg/OnV05yhd4OtnZKNb/Vkg7K7Xnr53+6Bu5YM=; h=Date:From:To:CC:Subject:References:In-Reply-To; b=iNbF/LfZSUntCse7qnXSMLHxJaJc2vKUK2EE510Hzt3hvRNqvG5X44O05xxzpPLlS +5F6SB6GlvbQETiu5h5Z9YVtqXzz2cgoslz0bwPJJSniUut5OTWtei07hnTmWXbEL+ X53WUSWSWGH4SRt75O/3ZKa8ivEFMRsApNpRXyq0= Received: from DFLE113.ent.ti.com (dfle113.ent.ti.com [10.64.6.34]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 147GnGuR121556 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 7 May 2021 11:49:16 -0500 Received: from DFLE104.ent.ti.com (10.64.6.25) by DFLE113.ent.ti.com (10.64.6.34) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2; Fri, 7 May 2021 11:49:16 -0500 Received: from fllv0039.itg.ti.com (10.64.41.19) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.2 via Frontend Transport; Fri, 7 May 2021 11:49:16 -0500 Received: from localhost (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0039.itg.ti.com (8.15.2/8.15.2) with ESMTP id 147GnFZQ055469; Fri, 7 May 2021 11:49:15 -0500 Date: Fri, 7 May 2021 22:19:14 +0530 From: Pratyush Yadav To: Mark Brown CC: Tudor Ambarus , Michael Walle , Miquel Raynal , Richard Weinberger , Vignesh Raghavendra , , , Subject: Re: [PATCH 4/6] spi: spi-mem: reject partial cycle transfers in 8D-8D-8D mode Message-ID: <20210507164912.hwzsf6q65pfewtdy@ti.com> References: <20210506191829.8271-1-p.yadav@ti.com> <20210506191829.8271-5-p.yadav@ti.com> <20210507154825.GE6383@sirena.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20210507154825.GE6383@sirena.org.uk> User-Agent: NeoMutt/20171215 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 07/05/21 04:48PM, Mark Brown wrote: > On Fri, May 07, 2021 at 12:48:27AM +0530, Pratyush Yadav wrote: > > In 8D-8D-8D mode two bytes are transferred per cycle. So an odd number > > of bytes cannot be transferred because it would leave a residual half > > cycle at the end. Consider such a transfer invalid and reject it. > > Reviwed-by: Mark Brown Thanks. BTW, s/Reviwed/Reviewed/. -- Regards, Pratyush Yadav Texas Instruments Inc.