Received: by 2002:ac0:a5a6:0:0:0:0:0 with SMTP id m35-v6csp5317662imm; Tue, 18 Sep 2018 07:43:09 -0700 (PDT) X-Google-Smtp-Source: ANB0VdYPXqnSAcGlCU5UiiCQsatRvegPEHCy48LC7CiglU4LTC2WEb4v50Ovmj8j7kHPOUUs48oO X-Received: by 2002:a17:902:8f8c:: with SMTP id z12-v6mr29767447plo.4.1537281789515; Tue, 18 Sep 2018 07:43:09 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1537281789; cv=none; d=google.com; s=arc-20160816; b=I1WxQ71sSAkPPRl3wqneZ5SctXH90jcQDAEYWOkyTYkCVEpU3mD2zES0N9oNr/4Gio YCcHZY7aXtzJTmkes0OryzlwmfaIK8+1YrxH0xgExeSnrMkfISg8CNa0KWb6PSxkOtOF LTuTVWscH6zu3kfBMm8yi0ov+NPAeZHrs2t3aIrvg5GeYO/z20hCOs6YXye9GX7l3CSC di3jtfTmjPyCoA7uCGF53V81GczPnugGAhNYqd+QX6BYSqG1O2H2eEZDREoiWXCU8K6i kXQcbCF7pNRvlsTFip6pienQKKrS4fg21RZ7mQPMbzeq2xyYPbdPSZpJOAPLZGhw5UCY Jexg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:subject:cc:to:from:date; bh=mHYB6YRLJndt1r6ruBTUQSvkb2V9ohUjqO/nXsLXnCA=; b=RfKNlo9tKaswOdKCzo4MFpMy11+mGi7Nm3Gd/Jl4y/gyoLWYKGsLjFOah+Tx4NxT7q N0htcFjo7es3LrpaYlPHRDq4uVanQa5h0GXGJsTbAdsWl0RaS7mzVu0+6nlKH+4F4b58 qP6dnEoxiGPng8gSjq7Ny4oS5rDDQ1QVU4vFOqUkyg+wxzJ65HU4ipWy4EKoB3XxXmW1 /3/ZnAx+dSBT815drqfMXlxOTSFkuFM9fSbjR05iAJw/7esjbcJeh9JKbPVTausDEufo 9XxHRHPIqb9jw6cp6jZRPSRoxFFcR2a/MfFwonY8jz8PUPtyXogn+BB6iUVpXgPz674G r22A== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id f16-v6si19630093pff.13.2018.09.18.07.42.54; Tue, 18 Sep 2018 07:43:09 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729877AbeIRUPB (ORCPT + 99 others); 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) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on mail.bootlin.com X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED,SHORTCIRCUIT shortcircuit=ham autolearn=disabled version=3.4.0 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.