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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 7A6D4ECE564 for ; Tue, 18 Sep 2018 14:42:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3B841214C2 for ; Tue, 18 Sep 2018 14:42:09 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 3B841214C2 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729958AbeIRUPB (ORCPT ); Tue, 18 Sep 2018 16:15:01 -0400 Received: from mail.bootlin.com ([62.4.15.54]:45069 "EHLO mail.bootlin.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727228AbeIRUPA (ORCPT ); Tue, 18 Sep 2018 16:15:00 -0400 Received: by mail.bootlin.com (Postfix, from userid 110) id B6C8E208C7; Tue, 18 Sep 2018 16:42:04 +0200 (CEST) Received: from bbrezillon (AAubervilliers-681-1-99-10.w90-88.abo.wanadoo.fr [90.88.4.10]) by mail.bootlin.com (Postfix) with ESMTPSA id 6E8F6206FF; Tue, 18 Sep 2018 16:41:54 +0200 (CEST) Date: Tue, 18 Sep 2018 16:41:54 +0200 From: Boris Brezillon To: Frieder Schrempf Cc: Yogesh Gaur , marek.vasut@gmail.com, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, prabhakar.kushwaha@nxp.com, linux-mtd@lists.infradead.org, han.xu@nxp.com, Fabio Estevam , david.wolfe@nxp.com, computersforpeace@gmail.com, festevam@gmail.com Subject: Re: [PATCH] mtd: spi-nor: Support controllers with limited TX FIFO size Message-ID: <20180918164154.28d7a31c@bbrezillon> In-Reply-To: <81e0653f-1e07-6ec9-f12a-d448e269c87a@exceet.de> References: <1528870092-14526-1-git-send-email-yogeshnarayan.gaur@nxp.com> <20180709233427.1a714de7@bbrezillon> <81e0653f-1e07-6ec9-f12a-d448e269c87a@exceet.de> X-Mailer: Claws Mail 3.15.0-dirty (GTK+ 2.24.31; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 18 Sep 2018 12:51:51 +0200 Frieder Schrempf wrote: > I want to revive the discussion about this patch. Meanwhile we have > received confirmation from NXP, that the hardware can't handle writing > data chunks bigger than the TX buffer size, even when we use DMA to > refill the buffer [1]. > > This means, that this patch is required to get the FSL QSPI driver > working with the SPI mem framework. > > Could you please reconsider this patch? I'm all for taking this patch, just waiting for a green light from Marek.